☆ 4.7 Review

Nanomaterials-based aptasensors: An efficient detection tool for heavy-metal and metalloid ions in environmental and biological samples

ENVIRONMENTAL RESEARCH (2023)

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Article Biophysics

Simultaneous colorimetric and electrochemical detection of trace mercury (Hg2+) using a portable and miniaturized aptasensor

Ana M. Ulloa-Gomez et al.

Summary: We have developed a novel aptasensor that can detect mercury (Hg2+) through both colorimetric and electrochemical methods. This device is portable, rapid, and versatile, and can detect Hg2+ down to 0.01 ppm. It shows high selectivity against other heavy metals and offers a dual detection platform with quantification and multiplexing capabilities.

BIOSENSORS & BIOELECTRONICS (2023)

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Article Electrochemistry

Development of an ultrasensitive rGO/AuNPs/ssDNA-based electrochemical aptasensor for detection of Pb2+

Mamta Kushwah et al.

Summary: This work presents the development of a novel aptasensor for the detection of Pb2+ ions using an electrochemical sensor. The sensor, made by modifying a GCE with rGO and AuNPs coated with ssDNA, exhibits high sensitivity and selectivity for Pb2+ detection. The aptasensor shows a detection limit of 1.52 nM and a linear range of 5-50 nM, with satisfactory results obtained in environmental water samples analysis.

JOURNAL OF SOLID STATE ELECTROCHEMISTRY (2023)

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Article Environmental Sciences

In situ synthesis of label-free electrochemical aptasensor-based sandwich-like AuNPs/PPy/Ti3C2Tx for ultrasensitive detection of lead ions as hazardous pollutants in environmental fluids

Zhouxiang Zhang et al.

Summary: Researchers developed a novel electrochemical aptasensor based on AuNPs/PPy/Ti3C2Tx nanocomposites for sensitive and selective detection of Pb2+ in environmental fluids. The nanocomposites exhibited excellent stability and electrochemical performance, and the sensor demonstrated a wide linear range and low limit of detection. It successfully detected Pb2+ in environmental fluids such as NongFu Spring and tap water.

CHEMOSPHERE (2023)

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Review Chemistry, Inorganic & Nuclear

Nanomaterials-driven innovative electrochemiluminescence aptasensors in reporting food pollutants

Yanping Li et al.

Summary: Food pollution is a major concern for public health and food safety. The development of nanomaterials, photo/electric sensing, and nucleic acid aptamer recognition technology has led to the emergence of electrochemiluminescence (ECL) aptamer sensing technology, which shows promising potential in detecting residual levels of various food pollutants. This review focuses on the latest progress in nanomaterials-driven ECL aptasensors for quantitative detection of food pollutants in the past 5 years, discusses challenges, and explores future prospects.

COORDINATION CHEMISTRY REVIEWS (2023)

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Article Environmental Sciences

A dual-modal electrochemical aptasensor based on intelligent DNA Walker with cascade signal amplification powered by Nb.BbvCI for Pb2+

Yue Wang et al.

Summary: A novel dual-mode visual electrochemical aptasensor was constructed for the detection of Pb2+, based on DNA Walker and endonuclease assisted signal amplification strategy. CeO2/CS@AuNPs improved the conductivity of sensing interface and fixed the aptamer. DNA Walker moved on the electrode surface to pair with the Ag-gamma Fe2O3/cDNA probe, forming a special base sequence that could be spliced by Nb.BbvCI to decrease the probe amount and amplify the signal. Moreover, the nanoenzyme of Ag-gamma Fe2O3 catalyzed TMB to enable visual detection of Pb2+. The sensor has been successfully applied to the visual and accurate rapid detection of Pb2+ in aquatic products, opening up a new way for visual and accurate detection of environmental pollutants.

SCIENCE OF THE TOTAL ENVIRONMENT (2023)

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Article Nanoscience & Nanotechnology

Label-free electrochemical aptasensor based on gold nanoparticles/titanium carbide MXene for lead detection with its reduction peak as index signal

Zhouxiang Zhang et al.

Summary: A label-free electrochemical aptamer sensor based on AuNPs/Ti3C2-MXene was developed for the rapid detection of Pb2+ as a dangerous water pollutant. The Ti3C2-MXene nanosheets provided an excellent supporting base for uniform distribution of AuNPs, allowing for the immobilization of Pb2+ aptamer. The sensing interface was constructed stepwise and the Pb2+ aptamer on the electrode surface showed a conformational change, enabling the successful capture of Pb2+ and direct detection through square wave voltammetry.

ADVANCED COMPOSITES AND HYBRID MATERIALS (2023)

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Article Engineering, Environmental

Competitive photoelectrochemical aptamer sensor based on a Z-scheme Fe2O3/g-C3N4 heterojunction for sensitive detection of lead ions

Jingui Chen et al.

Summary: A photoelectrochemical aptamer sensor with a Fe2O3/g-C3N4 heterojunction substrate was developed for sensitive detection of Pb2+. The sensor showed good linearity, low detection limit, and stable performance, indicating its potential for the detection of Pb2+.

JOURNAL OF HAZARDOUS MATERIALS (2023)

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Article Chemistry, Analytical

Signal-on electrochemical aptasensor based on RGO-AuNPs and exonuclease-III with assistance of external probe for Hg2+determination in shellfish

Xiaoyu Su et al.

Summary: This work introduces a signal-on electrochemical aptasensor for sensitive Hg2+ determination in shellfish, based on RGO-AuNPs and exonuclease-III (Exo-III). RGO-AuNPs is electrodeposited on a screenprinted electrode (SPE) as a high-performance sensing platform. The sensor shows good linear relationship and low detection limit (LOD) for Hg2+ detection in shellfish samples, with errors and recovery rates within acceptable ranges.

MICROCHEMICAL JOURNAL (2023)

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Article Chemistry, Analytical

A fluorescent aptasensor for Pb2+ detection based on gold nanoflowers and RecJf exonuclease-induced signal amplification

Ruike Liu et al.

Summary: A fluorescent aptasensor was developed for the detection of lead ion. The sensor exhibited high selectivity and sensitivity, making it suitable for the identification of lead ions in real samples.

ANALYTICA CHIMICA ACTA (2022)

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Article Engineering, Environmental

Self-supported VN arrays coupled with N-doped carbon nanotubes embedded with Co nanoparticles as a multifunctional sulfur host for lithium-sulfur batteries

Daoping Cai et al.

Summary: The rational design and synthesis of multifunctional sulfur host materials on carbon cloth has led to high-performance Li-S batteries with excellent electrical conductivity, volumetric accommodation, reaction kinetics, and cycling stability.

CHEMICAL ENGINEERING JOURNAL (2022)

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Article Engineering, Environmental

Novel Fe-based metal-organic framework (MOF) modified carbon nanofiber as a highly selective and sensitive electrochemical sensor for tetracycline detection

Jialing Song et al.

Summary: The novel electrochemical aptasensor based on Fe-based MOFs was successfully fabricated to enhance sensitivity in detecting antibiotics; NH2-MIL-101(Fe)/CNF@AuNPs was synthesized to amplify electrical signals through the attachment of aptamers via Au-S bonds; By optimizing detection conditions and achieving quantitative detection of tetracycline in real water samples, the sensor exhibited good selectivity and stability, showing promise as a new strategy for detecting tetracycline in environmental water samples.

CHEMICAL ENGINEERING JOURNAL (2022)

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Article Chemistry, Multidisciplinary

Use of a Schiff base-modified conducting polymer electrode for electrochemical assay of Cd(II) and Pb(II) ions by square wave voltammetry

Mohammed Q. Mohammed et al.

Summary: The work discusses the electrochemical detection of heavy metal ions, particularly cadmium and lead, by modifying a platinum electrode with PEDOT/Schiff base polymer coatings. The study investigates the structures and morphologies of the coatings, electrochemical synthesis, redox state response, and the effect of scan rate on the modified electrodes. Results show that the modified films have good potential for use in electrochemical detection devices, with detection limits of 0.95 μg/L for cadmium(II) and 1.84 μg/L for lead(II).

CHEMICAL PAPERS (2022)

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Review Chemistry, Inorganic & Nuclear

Biomedical Applications of Functionalized Gold Nanoparticles: A Review

Kazem Nejati et al.

Summary: Metal nanoparticles, especially gold nanoparticles, have unique physicochemical properties that make them valuable for biomedical applications such as biosensing, cancer therapy, and drug delivery. Their large surface area allows for functionalization with biological molecules, making them a promising carrier for targeted drug delivery.

JOURNAL OF CLUSTER SCIENCE (2022)

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Article Chemistry, Analytical

Label-free electrochemical biosensor based on GR5 DNAzyme/Ti3C2Tx Mxenes for Pb2+ detection

Yinyin Liu et al.

Summary: In this study, a new electrochemical biosensor for Pb2+ detection was designed based on the interactions between nucleic acids and nanomaterials. The biosensor showed easy preparation, adsorptive tunability, and high sensitivity, making it suitable for potential applications in food safety inspection and environmental monitoring.

JOURNAL OF ELECTROANALYTICAL CHEMISTRY (2022)

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Article Engineering, Environmental

An ultra-high-sensitivity electrochemiluminescence aptasensor for Pb2+ detection based on the synergistic signal-amplification strategy of quencher abscission and G-quadruplex generation

Xiaohong Liu et al.

Summary: An ultrasensitive ECL aptasensor for Pb2+ detection was developed based on a dual signal-amplification strategy, showing strong anti-interference ability and high detection sensitivity with an ultra-low detection limit and wide detection range.

JOURNAL OF HAZARDOUS MATERIALS (2022)

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Article Chemistry, Analytical

Fabrication of AuNPs/MWCNTS/Chitosan Nanocomposite for the Electrochemical Aptasensing of Cadmium in Water

Selma Rabai et al.

Summary: A label-free electrochemical aptasensor for cadmium detection in water was developed using a nanocomposite combining gold nanoparticles, carbon nanotubes, and chitosan. The biosensor exhibited excellent performances for cadmium detection with high sensitivity, low detection limit, and a wide linear range. It also showed good selectivity against interfering ions.

SENSORS (2022)

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Article Spectroscopy

Signal amplification of SiO2 nanoparticle loaded horseradish peroxidase for colorimetric detection of lead ions in water

Nuo Duan et al.

Summary: An aptamer-based optical assay was developed for analyzing Pb2+, a hazardous heavy metal in the food chain harmful to human health, with higher sensitivity and successful detection results.

SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY (2022)

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Article Chemistry, Analytical

An electrochemiluminescence biosensor for cadmium ion based on target-induced strand displacement amplification and magnetic Fe3O4-GO nanosheets

Huifeng Xu et al.

Summary: An immobilization-free ECL biosensor was constructed for ultra-trace detection of Cd2+ by using exquisite hairpin DNA and magnetic Fe3O4-graphene oxide nanosheets as the carrier. The concentration of Cd2+ was monitored based on the attenuation of ECL signal, showing high sensitivity with a detection limit of 1.1 x 10(-4) ppb.

TALANTA (2022)

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Article Chemistry, Analytical

Catalytic hairpin assembly assisted target-dependent DNAzyme nanosystem coupled with AgPt@Thi for the detection of lead ion

Xiaoyan Sun et al.

Summary: An ultrasensitive electrochemical biosensor based on catalytic hairpin assembly and DNAzyme signal amplification strategy is proposed for the detection of lead ions. The biosensor utilizes polyethyleneimine-reduced graphene oxide combined with gold@silver nanosheets as electrode substrate modification materials. The biosensor demonstrates a good linear relationship and low detection limit, enabling trace detection of lead ions in tap water samples and providing a platform for the detection of other targets.

ANALYTICA CHIMICA ACTA (2022)

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Article Chemistry, Analytical

Ultrasensitive aptasensor for arsenic detection using quantum dots and guanylated Poly(methacrylamide)

Gurpreet K. Soni et al.

Summary: This study demonstrates the utilization of poly (HPMA-s-GPMA) copolymer and quantum dots for the fabrication of an aptasensor for arsenite detection, showing high specificity and sensitivity in real-world samples such as water, food, and soil.

ANALYTICA CHIMICA ACTA (2022)

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Article Biophysics

In situ fabrication of urchin-like Cu@carbon nanoneedles based aptasensor for ultrasensitive recognition of trace mercury ion

Tao Liu et al.

Summary: In this study, a novel electrochemical aptasensor was developed for ultrasensitive and quantitative detection of trace Hg2+. The aptasensor utilized an urchin-like architecture of Cu@carbon nanoneedles as the electroactive probe and employed an exonuclease III-assisted cycling amplification strategy to enhance the signal strength of trace Hg2+. The developed aptasensor exhibited a low detection limit and wide linear range, and it shows promising potential for early warning and efficient pollution monitoring of heavy metal ions.

BIOSENSORS & BIOELECTRONICS (2022)

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Article Biophysics

The Mn-modified porphyrin metal-organic framework with enhanced oxidase-like activity for sensitively colorimetric detection of glutathione

Xiang Lai et al.

Summary: In this study, a simple colorimetric method for detecting glutathione (GSH) was developed using a manganese ion modified porphyrin metal-organic framework (PCN-224-Mn). This method showed a wide linear detection range and a low detection limit, indicating great potential as a biosensor.

BIOSENSORS & BIOELECTRONICS (2022)

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Article Biophysics

Metal-organic frameworks based hybrid nanocomposites as state-of-the-art analytical tools for electrochemical sensing applications

Tahir Rasheed et al.

Summary: This paper systematically summarizes recent breakthroughs in MOFs and their derivatives in enhanced electrochemical sensing applications. The overview part provides insights into the future prospects and directions of MOFs and their derivatives, aiming to overcome present limitations.

BIOSENSORS & BIOELECTRONICS (2022)

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Article Engineering, Environmental

Simultaneous detection of trace Hg2+ and Ag+ by SERS aptasensor based on a novel cascade amplification in environmental water

Cheng Tian et al.

Summary: In this study, a new SERS aptasensor was developed to simultaneously detect Hg2+ and Ag+ using cascade nucleic acid amplification strategy, which greatly improved the sensitivity. It can be widely applied for the detection of multiple heavy metal ions or other toxic substances in environmental water.

CHEMICAL ENGINEERING JOURNAL (2022)

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Article Chemistry, Analytical

Nb4C3Tx (MXene)/Au/DNA Aptasensor for the Ultraselective Electrochemical Detection of Lead in Water Samples

P. Abdul Rasheed et al.

Summary: An electrochemical aptasensor based on DNA oligonucleotide was developed for the selective and sensitive detection of Pb2+. The Au@Nb4C3Tx modified electrode showed high selectivity and enhanced response towards Pb2+ detection, with a detection limit of 4 nM and a linear range of 10 nM to 5 μM. This study demonstrated the potential of using Nb4C3Tx as a stable immobilization platform for DNA oligonucleotides in environmental sensing and biomedical applications.

ELECTROANALYSIS (2022)

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Article Chemistry, Physical

Label-free Hg(II) electrochemiluminescence sensor based on silica nanoparticles doped with a self-enhanced Ru(bpy)32+-carbon nitride quantum dot luminophore

Libo Li et al.

Summary: A label-free, self-enhanced electrochemiluminescence (ECL) sensing strategy for divalent mercury (Hg(II)) detection was developed in this study. By utilizing a novel self-enhanced ECL luminophore and encapsulating it in silica nanoparticles, a highly efficient ECL system was established. The detection of Hg(II) was achieved by differentiating the affinity of Ru-QDs@SiO2 nanoparticles for ssDNA and Hg(II)-triggered dsDNA, leading to a sensitive and practical biosensor for Hg(II) detection.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2022)

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Article Chemistry, Physical

Alloyed AuFeZnSe quantum dots@gold nanorod nanocomposite as an ultrasensitive and selective plasmon-amplified fluorescence OFF-ON aptasensor for arsenic (III)

Oluwasesan Adegoke et al.

Summary: A novel fluorescence aptasensor was developed for ultrasensitive detection of arsenic (As) contamination, with the probe successfully applied in environmental and biological samples. By optimizing the probe composition, selective and quantitative analysis of As(III) was achieved with high sensitivity.

JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY (2022)

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Article Chemistry, Analytical

A highly sensitive aptasensor based on 3D-rGO/AuNPs for Hg2+ determination using HCR amplification strategy triggered by T-Hg2+-T

Yangyang Shao et al.

Summary: In this study, an electrochemical aptasensor based on the stable T-Hg2+-T structure was developed for Hg2+ determination. The use of 3D-rGO/AuNPs as support material provided more immobilization sites for thiolated probes, and the hybridization chain reaction (HCR) between non-complementary sequences resulted in the formation of extended double-stranded DNA. The aptasensor showed high sensitivity and low detection limit for Hg2+ detection.

MICROCHEMICAL JOURNAL (2022)

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Article Chemistry, Applied

Recent Strategies on Hybrid Inorganic-Graphene Materials for Enhancing the Electrocatalytic Activity Towards Heavy Metal Detection

Devaraj Manoj et al.

Summary: The presence of heavy metals in industrial effluents is a growing concern for human health due to their toxicity. Developing prospective nanomaterials for sensitive and selective determination of heavy metals is a promising approach, but there is a need for improvement in rapid response, signal amplification, and specificity in electrochemical sensing methods. Hybrid materials have emerged as a new type of functional materials to meet the requirements for detecting heavy metals at low cost.

TOPICS IN CATALYSIS (2022)

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Article Chemistry, Analytical

Recent developments in electrochemical detection of cadmium

Yinhui Yi et al.

Summary: This review discusses the electrochemical methods and recent advancements in the detection of cadmium ions. The unique advantages and challenges of electrochemical techniques in cadmium ion detection are emphasized, highlighting its importance in addressing environmental and health issues.

TRENDS IN ENVIRONMENTAL ANALYTICAL CHEMISTRY (2022)

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Article Chemistry, Multidisciplinary

Au NP-Decorated g-C3N4-Based Photoelectochemical Biosensor for Sensitive Mercury Ions Analysis

Mengjie Li et al.

Summary: An efficient and feasible photoelectrochemical biosensor based on gold nanoparticle-decorated graphitic-like carbon nitride was designed for the sensitive detection of mercury ions. The biosensor showed excellent photoelectric performance and a wide linear range, with a low detection limit. This study provides a new method for detecting mercury ions and offers a promising platform for detecting other heavy metal ions of interest.

ACS OMEGA (2022)

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Article Engineering, Chemical

Recent Advances in Detection and Removal of Heavy Metals from Contaminated Water

Pinki Punia et al.

Summary: This study provides a detailed explanation of the water treatment process for removing heavy metals from polluted sources. It reviews various detection and removal techniques and their models. Optical, spectroscopic, and electrochemical methods can be used for the detection of heavy metals, while techniques such as adsorption, photocatalysis, and ion exchange are commonly used for heavy metal removal.

CHEMBIOENG REVIEWS (2022)

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Article Chemistry, Analytical

Dual-mode colorimetric determination of As(III) based on negatively-charged aptamer-mediated aggregation of positively-charged AuNPs

Dongwei Zhang et al.

Summary: In this study, the aggregation and redispersion behavior of positively-charged AuNPs modified with cysteamine were regulated by the negatively charged As(III)-specific aptamer. By optimizing the concentration of As(III)-apt, a dual-mode colorimetric aptasensor for As (III) determination was established, which could sensitively quantify As(III) and selectively differentiate it from other control ions.

ANALYTICA CHIMICA ACTA (2022)

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Article Biochemistry & Molecular Biology

A sensitive electrochemical sensor based on PtNPs@Cu-MOF signal probe and DNA walker signal amplification for Pb2+ detection

Jie Dong et al.

Summary: A sensitive electrochemical sensor for the detection of Pb2+ was developed based on DNA walker signal amplification, showing excellent detection performance and stability.

BIOELECTROCHEMISTRY (2022)

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Article Electrochemistry

A sensitive electrochemiluminescence aptasensor for Pb2+ detection in soil based on dual signal amplification strategy of aggregation-induced emission and resonance energy transfer

Wanlin Zhao et al.

Summary: In this study, a highly sensitive and selective ECL aptasensor for Pb2+ detection was constructed based on the dual signal amplification strategy of AIE and RET. The signal-on was activated by AuNCs-modified electrode surface, while the signal-off was induced by RhB quenching the AuNCs signal. Specific binding of Pb2+ to the aptamer resulted in favorable recovery of ECL signal.

ELECTROCHIMICA ACTA (2022)

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Review Chemistry, Analytical

Aptamers functionalized metal and metal oxide nanoparticles: Recent advances in heavy metal monitoring

Simona Sawan et al.

Summary: This review provides an update on the progress of using nucleobases and aptamers functionalized nano-particles for the monitoring of heavy metal ions. Gold nanoparticles are commonly used, but other nanoparticles show promise as well. Electrochemical methods have the best performance.

TRAC-TRENDS IN ANALYTICAL CHEMISTRY (2022)

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Article Chemistry, Inorganic & Nuclear

Bifunctional Sensors Based on Phosphomolybdates for Detection of Inorganic Hexavalent Chromium and Organic Tetracycline

Xiao-Yu Yin et al.

Summary: This study proposed a strategy to construct stable and effective bifunctional sensors by incorporating hourglass-type phosphomolybdates into metal-organic fragments. Two electrochemical sensors were designed for detecting heavy metal ion Cr(VI) and tetracycline (TC). The experiments showed that these sensors exhibited excellent electrochemical performance with high sensitivities, fast response time, and low detection limits, meeting the drinking water standards. The study offers a novel approach for designing efficient sensors for accurate determination of contaminants in water systems.

INORGANIC CHEMISTRY (2022)

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Article Chemistry, Multidisciplinary

Screen-printed electrode-based homogeneous electrochemical aptasensor for mercury (II) based on reduced graphene oxide and exonuclease III-driven cyclic reaction

Zeping Lv et al.

Summary: A novel disposable and portable electrochemical aptasensor based on RGO was developed for the detection of mercury in water samples. The sensor exhibited a wide linear range, low detection limit, and simplified experimental process by eliminating multiple fixation steps.

JOURNAL OF THE CHINESE CHEMICAL SOCIETY (2022)

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Article Chemistry, Analytical

Electrochemiluminescence biosensor for determination of lead(II) ions using signal amplification by Au@SiO2 and tripropylamine-endonuclease assisted cycling process

Hongguo Zhai et al.

Summary: In this study, an ultrasensitive electrochemiluminescence (ECL) biosensor was constructed using MXene@Au as the base and Au@SiO2 as the signal amplification factor for the detection of Pb2+ in water. The sensor exhibited a wide detection range and a low detection limit, as well as good selectivity and high sensitivity in actual water sample analysis.

MICROCHIMICA ACTA (2022)

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Article Environmental Sciences

Recent advances on rapid detection and remediation of environmental pollutants utilizing nanomaterials-based (bio)sensors

Abhinay Thakur et al.

Summary: This article highlights the significance of using nanotechnology for the detection of hazardous pollutants. By combining nanobioconjugation and nanofabrication techniques, nanomaterial-based sensors can achieve real-time, highly sensitive, and rapid detection of various pollutants. This provides an effective means for environmental protection.

SCIENCE OF THE TOTAL ENVIRONMENT (2022)

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Review Environmental Sciences

Risk assessment of selected pharmaceuticals on wildlife with nanomaterials based aptasensors

Swathi Satish et al.

Summary: The long-term effects of pharmaceutical residues on wildlife are still not fully understood, but quick and reliable methods for their detection are needed. Aptasensors, based on biological recognition, are highly specific and have the potential to be used for the detection of pharmaceutical residues in wildlife.

SCIENCE OF THE TOTAL ENVIRONMENT (2022)

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Article Chemistry, Analytical

A fluorescence imaging-supported aptasensor for sensitive monitoring of cadmium pollutant in diverse samples: A critical role of metal organic frameworks

Zahra Khoshbin et al.

Summary: In this study, a simple detection array was designed to monitor ultra-low levels of Cd2+ ion by combining the advantages of aptamer and ZIF-8. The paper-supported aptasensor showed good performance in detecting Cd2+ in various real samples, making it a promising tool for on-site analysis.

TALANTA (2022)

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Review Chemistry, Analytical

Aptamer-functionalized metal organic frameworks as an emerging nanoprobe in the food safety field: Promising development opportunities and translational challenges

Zahra Karimzadeh et al.

Summary: Food analysis plays a crucial role in monitoring food quality and safety for assessing human health risks. Metal-organic frameworks (MOFs), as a type of crystalline porous nanomaterials, have garnered significant attention in biosensing and bioanalysis. This study focuses on aptamer-functionalized MOFs-based electrochemical sensors and their applications in food safety. The study highlights the mechanisms of functionalizing MOFs with aptamers and discusses strategies for designing high-performance aptamer platforms based on MOFs, which can serve as signal probes or carriers for food contaminants. The challenges and opportunities of developing aptamer-functionalized MOFs are also discussed.

TRAC-TRENDS IN ANALYTICAL CHEMISTRY (2022)

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Article

Metal nanoparticles-assisted early diagnosis of diseases

Maryam Jouyandeh et al.

OpenNano (2022)

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Article Chemistry, Analytical

An aptasensor for cadmium ions detection based on PEI-MoS2@Au NPs 3D flower-like nanocomposites and Thi-PtPd NPs core-shell sphere

Mengyang Li et al.

Summary: A novel ultrasensitive electrochemical aptasensor using PEI-MoS2 NFs@Au NPs for Cd2+ detection was proposed, showing high sensitivity and promising application prospects.

ANALYTICA CHIMICA ACTA (2022)

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Article Chemistry, Analytical

Evaluation and development of GO/UiO-67@PtNPs nanohybrid-based electrochemical sensor for invisible arsenic (III) in water samples

Jing Ru et al.

Summary: A novel platform based on UiO-67 MOF and PtNPs was developed for the detection of arsenic in wastewater. The platform exhibited high sensitivity, selectivity, and reliability, and could accurately monitor and measure arsenic in different environmental samples.

MICROCHEMICAL JOURNAL (2022)

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Article Chemistry, Analytical

Achieving Z-scheme charge transfer through constructing Bi4Ti3O12/Pd@Au/Ag2S heterostructure for photoelectrochemical aptasensor of Hg2+ detection

Jing Luo et al.

Summary: An ultrasensitive photoelectrochemical aptasensor based on Bi4Ti3O12/Pd@Au/Ag2S was developed for the detection of Hg2+. The aptasensor showed a wide linear range (1 mM-0.1 pM) and a low detection limit (19 fM), as well as excellent selectivity, reproducibility, and stability.

SENSORS AND ACTUATORS B-CHEMICAL (2022)

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Review Chemistry, Analytical

New Horizons for MXenes in Biosensing Applications

Decheng Lu et al.

Summary: In recent years, the application of MXenes in biosensing has attracted widespread interest. By introducing the use of MXenes in various sensing methods, we summarize and discuss the challenges in the field and the future directions of MXenes.

BIOSENSORS-BASEL (2022)

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Review Engineering, Environmental

Graphitic Carbon Nitride for Photoelectrochemical Detection of Environmental Pollutants

Haixia Wang et al.

Summary: Graphitic carbon nitride (g-C3N4) shows great potential in PEC sensing due to its strong light response and unique advantages. This review summarizes recent advances in using g-C3N4 for PEC detection of environmental pollutants, focusing on strategies to improve optoelectrical conversion efficiency and the PEC sensing mechanism involving light absorption and charge separation and migration. Challenges and opportunities for developing g-C3N4-based PEC sensors are also discussed.

ACS ES&T ENGINEERING (2022)

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Article Environmental Sciences

Simultaneous detection of mercury (II), lead (II) and silver (I) based on fluorescently labelled aptamer probes and graphene oxide

Zijing Lu et al.

Summary: The developed method uses fluorescently labelled nucleic acid aptamer probes and graphene oxide for simultaneous detection of Hg2+, Pb2+ and Ag+. It shows high accuracy, low detection limits, good selectivity, and no crosstalk among the probes.

ENVIRONMENTAL TECHNOLOGY (2021)

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Review Nanoscience & Nanotechnology

Recent Progress in Aptamer Discoveries and Modifications for Therapeutic Applications

Shuaijian Ni et al.

Summary: Aptamers, with oligonucleotide sequences, have capabilities to bind to specific target molecules and are attracting great attention in diverse clinical translations. They offer advantages such as prolonged storage life and feasibility of chemical modifications for enhancing stability.

ACS APPLIED MATERIALS & INTERFACES (2021)

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Article Engineering, Environmental

Fullerene carbon dot catalytic amplification-aptamer assay platform for ultratrace As+3 utilizing SERS/RRS/Abs trifunctional Au nanoprobes

Haolin Wang et al.

Summary: The study demonstrated the strong catalytic ability of Au-doped carbon dots synthesized using fullerene as a precursor under microwave conditions for generating gold nanoparticles. A new trimode Apt assay strategy was developed for detecting ultratrace As+3 based on the nanocatalytic reaction, which was characterized using multiple spectroscopic techniques. The aptamer-regulated CDAu catalytic amplification platform also proved effective in detecting Pb2+ and Hg2+ with good sensitivity.

JOURNAL OF HAZARDOUS MATERIALS (2021)

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Article Chemistry, Analytical

Hierarchical Metal-Organic Framework-Confined CsPbBr3 Quantum Dots and Aminated Carbon Dots: A New Self-Sustaining Suprastructure for Electrochemiluminescence Bioanalysis

Yue Cao et al.

Summary: A self-sustaining suprastructure was constructed by loading aminated carbon dots and CsPbBr3 perovskite quantum dots into hierarchical zeolite imidazole framework-8, resulting in improved stability and enhanced electrochemiluminescence efficiency. This ternary nanocomposite opens up new possibilities for the advancement of perovskite-based ECL emitters and their applications in the ECL domain.

ANALYTICAL CHEMISTRY (2021)

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Article Chemistry, Physical

Structural Dynamics and Electronic Properties of Semiconductor Quantum Dots: Computational Insights

Dibyajyoti Ghosh et al.

Summary: Semiconductor quantum dots possess exciting photophysical properties for various applications, and the choice of ligands significantly affects the structural fluctuations and optoelectronic properties of the QDs. The study showed that bulky and strongly binding ligands induce higher interfacial dynamics, while primary amine ligands are optimal choices for QD passivation. This insight may help in designing principles for screening and optimizing passivating ligands for different QD applications.

CHEMISTRY OF MATERIALS (2021)

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Review Chemistry, Inorganic & Nuclear

Recent advances in adsorptive removal of heavy metal and metalloid ions by metal oxide-based nanomaterials

Kanika Gupta et al.

Summary: The research on metal oxide-based nanomaterials as adsorbents for the removal of heavy metal and metalloid ions from contaminated water shows great potential. Understanding the various parameters governing the adsorption process is crucial for improving adsorption performance and the reusability of metal oxide-based nanomaterials.

COORDINATION CHEMISTRY REVIEWS (2021)

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Article Chemistry, Analytical

A novel photoelectrochemical strategy for lead ion detection based on CdSe quantum dots co-sensitized ZnO-CdS nanostructure

Jun-Tao Cao et al.

Summary: A novel photoelectrochemical aptasensor for lead ion detection was developed based on a CdSe quantum dots co-sensitized ZnO-CdS nanostructure and the specificity of aptamer, showing a linear response and good detection limit. The sensor can detect lead ions in environmental water samples with high selectivity.

JOURNAL OF ELECTROANALYTICAL CHEMISTRY (2021)

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Article Chemistry, Analytical

Sensitive and selective detection of Hg2 + in tap and canal water via self-enhanced ECL aptasensor based on NH2-Ru@SiO2-NGQDs

Libo Li et al.

Summary: In this study, a novel self-enhanced electrochemiluminescence (ECL) aptasensor was developed for sensitive and selective detection of Hg2+, utilizing a self-enhanced ECL composite with high and stable luminous efficiency. By employing a Hg2+ aptamer bridging NH2-Ru@SiO2-NGQDs and a glass carbon electrode, linearly enhanced ECL signals were obtained in the range of 5.0 x 10(-11) M to 1.0 x 10(-6) M, showing excellent selectivity, repeatability, and stability in 3 minutes. The aptasensor demonstrated satisfactory accuracy and practicability for Hg2+ analysis in tap and canal water, verified by ICP-MS.

TALANTA (2021)

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Review Agriculture, Multidisciplinary

Advances in Surface-Enhanced Raman Scattering-Based Aptasensors for Food Safety Detection

Mengmeng Yan et al.

Summary: This review article focuses on the applications of SERS-based aptasensors in food safety, covering principles, specific applications, challenges in improving performance, and suggestions for choosing suitable sensors. The multiplex analysis and advancements in sensor design and preparation are highlighted throughout the text.

JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY (2021)

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Article Chemistry, Analytical

An Electrochemical Aptasensor for Pb2+ Detection Based on Metal-Organic-Framework-Derived Hybrid Carbon

Jina Ding et al.

Summary: A new double-shelled carbon nanocages material was synthesized and developed into an aptasensor for determining Pb2+ in aqueous solution. The aptasensor exhibited a good linear relationship with Pb2+ concentration and detection limits, showing promising applications in environmental monitoring.

BIOSENSORS-BASEL (2021)

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Article Engineering, Electrical & Electronic

Ratiometric fluorescent sensing of mercury (II) ion based on the Pt nanozyme-triggered fluorescence resonance energy transfer between Si quantum dots and 2,3-diaminophenazine

Wenjia Li et al.

Summary: The study developed a ratiometric fluorescence assay using nanozyme and fluorescence resonance energy transfer to efficiently detect mercury ion, which was validated for its reliability in Yangtze river water samples.

SENSORS AND ACTUATORS A-PHYSICAL (2021)

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Article Chemistry, Analytical

Electrochemical biosensor for sensitive detection of Hg2+ baesd on clustered peonylike copper-based metal-organic frameworks and DNAzyme-driven DNA Walker dual amplification signal strategy

Hui Liu et al.

Summary: A sensitive electrochemical biosensor for Hg2+ detection was developed using a dual amplification signal strategy, showing linear detection range from 0.001-100 nM and a low detection limit of 0.52 pM. This biosensor was successfully applied in detecting Hg2+ in milk powder samples.

SENSORS AND ACTUATORS B-CHEMICAL (2021)

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Article Chemistry, Analytical

Colorimetric and SERS dual-mode sensing of mercury (II) based on controllable etching of Au@Ag core/shell nanoparticles

Jinhua Wang et al.

Summary: A new strategy for colorimetric/SERS dual-mode determination of Hg2+ was proposed based on controllable etching Au@Ag NPs. The method showed excellent sensitivity and specificity, suitable for fast detecting of Hg2+.

SENSORS AND ACTUATORS B-CHEMICAL (2021)

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Article Chemistry, Analytical

Ultra-sensitive electrochemical aptasensor based on zeolitic imidazolate framework-8 derived Ag/Au core-shell nanoparticles for mercury detection in water samples

N. Salandari-Jolge et al.

Summary: An electrochemical aptasensor based on Ag@Au/ZIF-8 modifier was developed successfully for mercury(II) detection, showing low detection limits and excellent repeatability.

SENSORS AND ACTUATORS B-CHEMICAL (2021)

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Article Food Science & Technology

Establishment of an Indirect Competitive Enzyme-Linked Immunosorbent Method for the Detection of Heavy Metal Cadmium in Food Packaging Materials

Xianshu Fu et al.

Summary: Heavy metals in food packaging materials, especially cadmium, are a global environmental threat. This study proposed an ic-ELISA method based on a specific monoclonal antibody for rapid detection of Cd. The ic-ELISA showed high specificity and accuracy in diagnosing Cd in food packaging materials.

FOODS (2021)

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Article Engineering, Environmental

Near-infrared light-driven photoelectrochemical sensor for mercury (II) detection using bead-chain-like Ag@Ag2S nanocomposites

Lixiang Zhang et al.

Summary: An NIR light-driven PEC sensing platform was established for quantitative detection of Hg2+ using Ag@Ag2S nanocomposites. The sensor displayed enhanced PEC responses and selectivity, with a linear detection range of 0.0010 to 5.0 nM Hg2+ and a detection limit of about 0.50 pM, making it suitable for complex environmental monitoring.

CHEMICAL ENGINEERING JOURNAL (2021)

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Article Chemistry, Applied

Sensing of mercury ions in Porphyra by Copper @ Gold nanoclusters based ratiometric fluorescent aptasensor

Yongqiang Shi et al.

Summary: A novel aptamer-modified Copper @ Gold nanoclusters based ratiometric fluorescent probe was developed for mercury ions determination in Porphyra, with a detection limit of 4.92 nM. Additionally, a homemade device for colorimetric determination of Hg2+ was designed, showing good portability and usefulness. The study suggests the considerable potential of these methods for evaluating Hg2+ levels in aquatic products.

FOOD CHEMISTRY (2021)

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Review Engineering, Environmental

Nanomaterial-based fluorescent sensors for the detection of lead ions

Harpreet Singh et al.

Summary: This review focuses on the recent developments in fluorescent nanosensing technology for the detection of lead ions (Pb2+), highlighting the classification and evaluation of different types of nanomaterials, especially in terms of sensitivity.

JOURNAL OF HAZARDOUS MATERIALS (2021)

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Article Chemistry, Multidisciplinary

Recyclable Target Metal-Enhanced Fluorometric Naked Eye Aptasensor for the Detection of Pb2+ and Ag+ Ions Based on the Structural Change of CaSnO3@PDANS-Constrained GC-Rich ssDNA

Arunjegan Amalraj et al.

Summary: The novel aptasensor presented in this study utilizes DNA structural changes and fluorescence emission differences to detect Pb2+ and Ag+ ions with high sensitivity. The sensor demonstrates recyclability and utilizes the properties of GC-rich ssDNA and acridine orange for reliable and label-free detection.

ACS OMEGA (2021)

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Article Chemistry, Analytical

Target-enhanced photoelectrochemical aptasensor for Cd(II) detection using graphite-like carbon nitride as sensitizer with high sensitivity

Yanyan Niu et al.

Summary: This study developed a PEC aptasensor for quantitative analysis of Cd(II) by changing the sensing interface structure to amplify the detection signal. The sensor showed high sensitivity with a detection limit of 1.1 x 10-11 mol/L and was successfully used for water sample detection.

MICROCHEMICAL JOURNAL (2021)

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Review Chemistry, Analytical

Fluorescence and electrochemical assay for bimodal detection of lead ions based on Metal-Organic framework nanosheets

Guozhen Chen et al.

Summary: The study presents a bimodal strategy for signal-on, label-free lead ion detection in environmental samples using 2D-MOF nanosheets, which allows for both fluorescence and electrochemical detection with high sensitivity. The developed device is cost-effective, highly sensitive, and convenient to operate, showing promise as a reliable system for lead ion detection in environmental samples.

TALANTA (2021)

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Review Chemistry, Analytical

Metal-organic frameworks conjugated with biomolecules as efficient platforms for development of biosensors

Paria Pashazadeh-Panahi et al.

Summary: Recent developments in metal-organic frameworks (MOFs) have attracted scientists' renewed interest for potential breakthroughs. These highly porous particles with large surface areas have diverse functionalities, making them powerful compounds in nanomedicine. Aside from their critical roles in adsorption and separation, they also play significant roles in biosensors, with ongoing efforts to modify and apply them in various platforms.

TRAC-TRENDS IN ANALYTICAL CHEMISTRY (2021)

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Review Biotechnology & Applied Microbiology

Advances in aptamer screening and aptasensors' detection of heavy metal ions

Wenfei Guo et al.

Summary: This paper reviews the seriousness of heavy metal pollution and the application of aptasensors in detecting heavy metal ions. It focuses on the methods for selecting aptamers with high specificity and high affinity, as well as the construction methods and research progress of aptamers based on sensors. Finally, the challenges and future opportunities of aptasensors in detecting heavy metal ions are discussed.

JOURNAL OF NANOBIOTECHNOLOGY (2021)

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Article Toxicology

Effects of arsenic and heavy metals on metabolic pathways in cells of human origin: Similarities and differences

Kaniz Fatema et al.

Summary: Exposure to heavy metals has detrimental effects on cellular metabolic pathways, with the extent of impact depending on the type of metal and cell characteristics. Arsenic shows more widespread influences on cellular metabolic pathways, including those associated with diabetes.

TOXICOLOGY REPORTS (2021)

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Review Chemistry, Physical

Nanomaterials based electrochemical nucleic acid biosensors for environmental monitoring: A review

Abu Hashem et al.

Summary: The ecosystem provides essential natural services to humans and other beings, environmental monitoring aims to assess changes in environmental quality, and biosensors offer an exciting approach to overcome limitations of traditional methods.

APPLIED SURFACE SCIENCE ADVANCES (2021)

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Review Environmental Sciences

Electrochemical Biosensors for Detection of Pesticides and Heavy Metal Toxicants in Water: Recent Trends and Progress

Tony O. Hara et al.

Summary: This review highlights the progress made in the development of electrochemical biosensors for environmental toxicants (such as pesticides and heavy metals) over the past seven years. Emphasizing the importance of developing rapid, reliable, and sensitive analytical detection systems, the review discusses current challenges and potential directions for future research.

ACS ES&T WATER (2021)

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Article Engineering, Environmental

Ultrasensitive colorimetric aptasensor for Hg2+ detection using Exo-III assisted target recycling amplification and unmodified AuNPs as indicators

Abdul Ghaffar Memon et al.

JOURNAL OF HAZARDOUS MATERIALS (2020)

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Article Chemistry, Analytical

A novel photoelectrochemical sensor based on g-C3N4@CdS QDs for sensitive detection of Hg2+

Zhongping Li et al.

MICROCHEMICAL JOURNAL (2020)

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Review Biotechnology & Applied Microbiology

Biological Applications and Toxicity Minimization of Semiconductor Quantum Dots

Samira Filali et al.

TRENDS IN BIOTECHNOLOGY (2020)

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Article Chemistry, Analytical

Electrochemiluminescence aptasensor for multiple determination of Hg2+ and Pb2+ ions by using the MIL-53(Al)@CdTe-PEI modified electrode

Defen Feng et al.

ANALYTICA CHIMICA ACTA (2020)

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Article Biochemical Research Methods

Practical aptamer-based assay of heavy metal mercury ion in contaminated environmental samples: convenience and sensitivity

Yingying Qi et al.

ANALYTICAL AND BIOANALYTICAL CHEMISTRY (2020)

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Article Engineering, Environmental

Synergetic Ag2S and ZnS quantum dots as the sensitizer and recognition probe: A visible light-driven photoelectrochemical sensor for the signal-on analysis of mercury (II)

Lixiang Zhang et al.

JOURNAL OF HAZARDOUS MATERIALS (2020)

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Review Biophysics

Recent advances in the development of electrochemical aptasensors for detection of heavy metals in food

Liyuan Wang et al.

BIOSENSORS & BIOELECTRONICS (2020)

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Review Biophysics

Nanomaterial-based aptamer sensors for arsenic detection

Kang Mao et al.

BIOSENSORS & BIOELECTRONICS (2020)

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Article Electrochemistry

Three-dimension branched crystalline carbon nitride: A high efficiency photoelectrochemical sensor of trace Cu2+ detection

Jiaoyang Du et al.

ELECTROCHIMICA ACTA (2020)

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Article Chemistry, Analytical

Electrochemical aptasensing of cadmium (II) on a carbon black-gold nano-platform

Colani T. Fakude et al.

JOURNAL OF ELECTROANALYTICAL CHEMISTRY (2020)

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Review Biochemistry & Molecular Biology

Aptamers Chemistry: Chemical Modifications and Conjugation Strategies

Fadwa Odeh et al.

MOLECULES (2020)

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Review Medicine, Legal

Arsenic exposure: A public health problem leading to several cancers

I. Palma-Lara et al.

REGULATORY TOXICOLOGY AND PHARMACOLOGY (2020)

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Article Chemistry, Analytical

In-situ detection of cadmium with aptamer functionalized gold nanoparticles based on smartphone-based colorimetric system

Ying Gan et al.

TALANTA (2020)

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Article Biochemical Research Methods

A low-cost paper-based aptasensor for simultaneous trace-level monitoring of mercury (II) and silver (I) ions

Zahra Khoshbin et al.

ANALYTICAL BIOCHEMISTRY (2020)

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Review Environmental Sciences

Nickel: Human Health and Environmental Toxicology

Giuseppe Genchi et al.

INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH (2020)

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Article Spectroscopy

A new and facile nanosilver SPR colored method for ultratrace arsenic based on aptamer regulation of Au-doped carbon dot catalytic amplification

Zhi-Hao Zhang et al.

SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY (2020)

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Review Chemistry, Analytical

Emerging strategies to enhance the sensitivity of competitive ELISA for detection of chemical contaminants in food samples

Ying Xiong et al.

TRAC-TRENDS IN ANALYTICAL CHEMISTRY (2020)

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Article Chemistry, Physical

A Colorimetric Aptamer Sensor Based on the Enhanced Peroxidase Activity of Functionalized Graphene/Fe3O4-AuNPs for Detection of Lead (II) Ions

Zui Tao et al.

CATALYSTS (2020)

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Article Chemistry, Multidisciplinary

A Fluorescence Resonance Energy Transfer Probe Based on DNA-Modified Upconversion and Gold Nanoparticles for Detection of Lead Ions

Yue Wang et al.

FRONTIERS IN CHEMISTRY (2020)

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Article Chemistry, Analytical

ZnO-reduced graphene oxide composite based photoelectrochemical aptasensor for sensitive Cd(II) detection with methylene blue as sensitizer

Yanyan Niu et al.

ANALYTICA CHIMICA ACTA (2020)

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Review Biochemistry & Molecular Biology

A review: Recent advances in ultrasensitive and highly specific recognition aptasensors with various detection strategies

Shu-Rong Yan et al.

INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES (2020)

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Article Chemistry, Analytical

A regenerative photoelectrochemical sensor based on functional porous carbon nitride for Cu2+ detection

Dong Liang et al.

MICROCHEMICAL JOURNAL (2020)

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Review Chemistry, Analytical

Electrochemical aptasensors based on the gold nanostructures

Masoud Negahdary

TALANTA (2020)

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Article Electrochemistry

High Sensitive Electrochemical Luminescence Sensor for the Determination of Cd2+ in Spirulina

Zhizhong Wang et al.

INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE (2020)

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Article Chemistry, Analytical

A novel label-free electrochemical aptasensor with one-step assembly process for rapid detection of lead (II) ions

Guojing Ran et al.

SENSORS AND ACTUATORS B-CHEMICAL (2020)

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Article Chemistry, Analytical

An electrochemical aptasensor based on gold -modified MoS 2 /rGO nanocomposite and gold -palladium -modified Fe-MOFs for sensitive detection of lead ions

Yaoguang Wang et al.

SENSORS AND ACTUATORS B-CHEMICAL (2020)

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Review Chemistry, Analytical

Recent advances in bismuth oxyhalide-based functional materials for photoelectrochemical sensing

Hao Wang et al.

TRAC-TRENDS IN ANALYTICAL CHEMISTRY (2020)

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Review Chemistry, Analytical

Highly sensitive and specific detection of small molecules using advanced aptasensors based on split aptamers: A review

Xiaoyan Qi et al.

TRAC-TRENDS IN ANALYTICAL CHEMISTRY (2020)

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Article Medicine, Research & Experimental

Nanomaterial based aptasensing of prostate specific antigen (PSA): Recent progress and challenges in efficient diagnosis of prostate cancer using biomedicine

Fatemeh Farshchi et al.

BIOMEDICINE & PHARMACOTHERAPY (2020)

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Review Chemistry, Inorganic & Nuclear

State of the art recent progress in two dimensional MXenes based gas sensors and biosensors: A comprehensive review

Kalim Deshmukh et al.

COORDINATION CHEMISTRY REVIEWS (2020)

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Article Chemistry, Analytical

A turn-on electrochemical aptasensor for ultrasensitive detection of Cd2+ using duplexed aptamer switch on electrochemically reduced graphene oxide electrode

Chang-Seuk Lee et al.

MICROCHEMICAL JOURNAL (2020)

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Review Chemistry, Analytical

A review on nanostructure-based mercury (II) detection and monitoring focusing on aptamer and oligonucleotide biosensors

Samet Sahin et al.

TALANTA (2020)

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Article Chemistry, Analytical

Label-Free and Sensitive Determination of Cadmium Ions Using a Ti-Modified Co3O4-Based Electrochemical Aptasensor

Yang Liu et al.

BIOSENSORS-BASEL (2020)

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Review Chemistry, Analytical

Review of the distribution and detection methods of heavy metals in the environment

Mengting Jin et al.

ANALYTICAL METHODS (2020)

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Review Chemistry, Analytical

Nanomaterial-enhanced chemiluminescence reactions and their applications

Ruyuan Wang et al.

ANALYST (2020)

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Review Chemistry, Analytical

Nanomaterial-based fluorescent biosensors for monitoring environmental pollutants: A critical review

Maria Isabel Gaviria-Arroyave et al.

TALANTA OPEN (2020)

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Review Chemistry, Analytical

Recent advances in nanomaterials-based electrochemical (bio)sensors for pesticides detection

Weiran Wang et al.

TRAC-TRENDS IN ANALYTICAL CHEMISTRY (2020)

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Article Chemistry, Analytical

Heterostructured Au/MoS2-MWCNT nanoflowers: A highly efficient support for the electrochemical aptasensing of solvated mercuric ion

Ali Mohammadi et al.

MICROCHEMICAL JOURNAL (2020)

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Article Electrochemistry

A One-Step Dual-Mode Aptasensor for Subnanomolar Detection of Lead Ions Based on Electrochemiluminescence and Fast Scan Voltammetry

Tingting Hao et al.

JOURNAL OF THE ELECTROCHEMICAL SOCIETY (2020)

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Article Chemistry, Multidisciplinary

An electrochemical aptasensor for lead ion detection based on catalytic hairpin assembly and porous carbon supported platinum as signal amplification

Huali Jin et al.

RSC ADVANCES (2020)

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Review Chemistry, Analytical

Fluorescent Sensors for the Detection of Heavy Metal Ions in Aqueous Media

Nerea De Acha et al.

SENSORS (2019)

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Article Chemistry, Analytical

An ultrasensitive electrochemiluminescence assay for Hg2+ through graphene quantum dots and poly(5-formylindole) nanocomposite

Yun Tang et al.

SENSORS AND ACTUATORS B-CHEMICAL (2019)

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Article Nanoscience & Nanotechnology

Near-Infrared-Responsive Photoelectrochemical Aptasensing Platform Based on Plasmonic Nanoparticle-Decorated Two-Dimensional Photonic Crystals

Zhenzhen Li et al.

ACS APPLIED MATERIALS & INTERFACES (2019)

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Review Chemistry, Analytical

Application of nano-ELISA in food analysis: Recent advances and challenges

Long Wu et al.

TRAC-TRENDS IN ANALYTICAL CHEMISTRY (2019)

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Article Chemistry, Multidisciplinary

Electrochemical Detection of Ultratrace Lead Ion through Attaching and Detaching DNA Aptamer from Electrochemically Reduced Graphene Oxide Electrode

Su Hwan Yu et al.

NANOMATERIALS (2019)

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Article Chemistry, Analytical

Electrochemical amplification for Hg(II) quantification by anchoring an enzymatically extended aptamer

Xiaoxi Si et al.

ANALYTICAL LETTERS (2019)

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Review Chemistry, Physical

Design and engineering heterojunctions for the photoelectrochemical monitoring of environmental pollutants: A review

Lei Shi et al.

APPLIED CATALYSIS B-ENVIRONMENTAL (2019)

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Article Environmental Sciences

The relative impact of toxic heavy metals (THMs) (arsenic (As), cadmium (Cd), chromium (Cr)(VI), mercury (Hg), and lead (Pb)) on the total environment: an overview

Zeeshanur Rahman et al.

ENVIRONMENTAL MONITORING AND ASSESSMENT (2019)

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Article Chemistry, Analytical

Electrochemical aptasensor based on gold modified graphene nanocomposite with different morphologies for ultrasensitive detection of Pb2+

Yaoguang Wang et al.

SENSORS AND ACTUATORS B-CHEMICAL (2019)

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Article Chemistry, Analytical

A simple paper-based aptasensor for ultrasensitive detection of lead (II) ion

Zahra Khoshbin et al.

ANALYTICA CHIMICA ACTA (2019)

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Article Chemistry, Analytical

Electrochemical aptasensor based on Au@HS-rGO and thymine-Hg2+- thymine structure for sensitive detection of mercury ion

Lei Zhao et al.

JOURNAL OF ELECTROANALYTICAL CHEMISTRY (2019)

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Review Chemistry, Physical

A review on heavy metal pollution, toxicity and remedial measures: Current trends and future perspectives

Kilaru Harsha Vardhan et al.

JOURNAL OF MOLECULAR LIQUIDS (2019)

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Article Chemistry, Analytical

Label-free potentiometric aptasensing platform for the detection of Pb2+ based on guanine quadruplex structure

Wanxin Tang et al.

ANALYTICA CHIMICA ACTA (2019)

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Article Engineering, Chemical

Magnified Fluorescent Aptasensors Based on a Gold Nanoparticle-DNA Hybrid and DNase I for the Cycling Detection of Mercury(II) Ions in Aqueous Solution

Jun Yao et al.

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH (2019)

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Article Chemistry, Analytical

Optical aptasensing of mercury(II) by using salt-induced and exonuclease I-induced gold nanoparticle aggregation under dark-field microscope observation

Yanan Li et al.

MICROCHIMICA ACTA (2019)

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Article Chemistry, Analytical

Photoelectrochemical aptasensor for lead(II) by exploiting the CdS nanoparticle-assisted photoactivity of TiO2 nanoparticles and by using the quercetin-copper(II) complex as the DNA intercalator

Yanyan Niu et al.

MICROCHIMICA ACTA (2019)

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Article Chemistry, Analytical

Fluorometric aptasensor for cadmium(II) by using an aptamer-imprinted polymer as the recognition element

Shuhuai Li et al.

MICROCHIMICA ACTA (2019)

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Review Biochemistry & Molecular Biology

G-Quadruplex-Forming Aptamers-Characteristics, Applications, and Perspectives

Carolina Roxo et al.

MOLECULES (2019)

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Review Chemistry, Multidisciplinary

Wearable and Implantable Soft Bioelectronics Using Two-Dimensional Materials

Changsoon Choi et al.

ACCOUNTS OF CHEMICAL RESEARCH (2019)

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Article Chemistry, Analytical

Dual-Quenching Electrochemiluminescence Strategy Based on Three-Dimensional Metal-Organic Frameworks for Ultrasensitive Detection of Amyloid-β

Guanhui Zhao et al.

ANALYTICAL CHEMISTRY (2019)

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Article Chemistry, Analytical

Label-free fluorescent aptasensor of Cd2+ detection based on the conformational switching of aptamer probe and SYBR green I

Bin Zhou et al.

MICROCHEMICAL JOURNAL (2019)

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Article Chemistry, Analytical

Simultaneous fluorometric determination of the DNAs of Salmonella enterica, Listeria monocytogenes and Vibrio parahemolyticus by using an ultrathin metal-organic framework (type Cu-TCPP)

Qiming Qiu et al.

MICROCHIMICA ACTA (2019)

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Article Chemistry, Analytical

A label-free photoelectrochemical aptasensor for facile and ultrasensitive mercury ion assay based on a solution-phase photoactive probe and exonuclease III-assisted amplification

Ningning Xu et al.

ANALYST (2019)

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Review Chemistry, Analytical

Bio-Recognition in Spectroscopy-Based Biosensors for *Heavy Metals-Water and Waterborne Contamination Analysis

Alessandra Aloisi et al.

BIOSENSORS-BASEL (2019)

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Article Chemistry, Analytical

An electrochemical aptasensor for detection of lead ions using a screen-printed carbon electrode modified with Au/polypyrrole composites and toluidine blue

Jina Ding et al.

ANALYTICAL METHODS (2019)

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Article Environmental Sciences

Plasmon resonance-enhanced internal reflection ellipsometry for the trace detection of mercuric ion

M. O. Caglayan

INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY (2018)

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Article Chemistry, Analytical

A two dimensional metal-organic framework nanosheets-based fluorescence resonance energy transfer aptasensor with circular strand-replacement DNA polymerization target-triggered amplification strategy for homogenous detection of antibiotics

Qian Yang et al.

ANALYTICA CHIMICA ACTA (2018)

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Article Chemistry, Analytical

Silver Ions as Novel Coreaction Accelerator for Remarkably Enhanced Electrochemiluminescence in a PTCA-S2O82- System and Its Application in an Ultrasensitive Assay for Mercury Ions

Yan-Mei Lei et al.

ANALYTICAL CHEMISTRY (2018)

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Article Biophysics

High-performance electrochemical mercury aptasensor based on synergistic amplification of Pt nanotube arrays and Fe3O4/rGO nanoprobes

Jingyi Luo et al.

BIOSENSORS & BIOELECTRONICS (2018)

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Review Biophysics

Electrochemical immunosensors - A powerful tool for analytical applications

Fabiana S. Felix et al.

BIOSENSORS & BIOELECTRONICS (2018)

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Article Biophysics

Switchable electrochemiluminescence aptasensor coupled with resonance energy transfer for selective attomolar detection of Hg2+ via CdTe@CdS/dendrimer probe and Au nanoparticle quencher

Bahareh Babamiri et al.

BIOSENSORS & BIOELECTRONICS (2018)

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Article Biophysics

Novel ratiometric surface-enhanced raman spectroscopy aptasensor for sensitive and reproducible sensing of Hg2+

Yan Wu et al.

BIOSENSORS & BIOELECTRONICS (2018)

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Article Chemistry, Physical

Gold nanorod@nanoparticle seed-SERSnanotags/graphene oxide plasmonic superstructured nanocomposities as an on-off SERS aptasensor

GangQiang Tao et al.

CARBON (2018)

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Review Chemistry, Analytical

Current Progress in Aptasensors for Heavy Metal Ions Based on Photoelectrochemical Method: A Review

Bo Peng et al.

CURRENT ANALYTICAL CHEMISTRY (2018)

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Article Electrochemistry

Enhanced electrochemiluminescent aptasensor for mercury based on CdTeSe@CdS QDs-DNA bioconjugates and enzymatic catalysis

Jian-Jun Shi et al.

INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE (2018)

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Review Biotechnology & Applied Microbiology

Adverse effect of heavy metals (As, Pb, Hg, and Cr) on health and their bioremediation strategies: a review

Amit Pratush et al.

INTERNATIONAL MICROBIOLOGY (2018)

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Article Engineering, Environmental

A label-free aptasensor for ultrasensitive Pb2+ detection based on electrochemiluminescence resonance energy transfer between carbon nitride nanofibers and Ru(phen)(3)(2+)

Yujiao Peng et al.

JOURNAL OF HAZARDOUS MATERIALS (2018)

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Article Chemistry, Multidisciplinary

Synergistic molecular assembly of an aptamer and surfactant on gold nanoparticles for the colorimetric detection of trace levels of As3+ ions in real samples

Nguyen Le Thao Nguyen et al.

NEW JOURNAL OF CHEMISTRY (2018)

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Article Chemistry, Analytical

A simple and rapid fluorescent aptasensor for ultrasensitive detection of arsenic based on target-induced conformational change of complementary strand of aptamer and silica nanoparticles

Seyed Mohammad Taghdisi et al.

SENSORS AND ACTUATORS B-CHEMICAL (2018)

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Article Chemistry, Analytical

cathodic signal-on photoelectrochemical sensor for Hg2+ detection based on ion-exchange with ZnS quantum dots

Yan Wang et al.

SENSORS AND ACTUATORS B-CHEMICAL (2018)

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Article Chemistry, Analytical

A label-free SERS approach to quantitative and selective detection of mercury (II) based on DNA aptamer-modified SiO2@Au core/shell nanoparticles

Yilin Lu et al.

SENSORS AND ACTUATORS B-CHEMICAL (2018)

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Article Chemistry, Analytical

Internal standard-based SERS aptasensor for ultrasensitive quantitative detection of Ag+ ion

Yan Wu et al.

TALANTA (2018)

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Article Chemistry, Analytical

Ultrasensitive photoelectrochemical aptasensor for lead ion detection based on sensitization effect of CdTe QDs on MoS2-CdS:Mn nanocomposites by the formation of G-quadruplex structure

Jian-Jun Shi et al.

TALANTA (2018)

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Review Chemistry, Analytical

Selective photoelectrochemical architectures for biosensing: Design, mechanism and responsibility

Wenwen Tu et al.

TRAC-TRENDS IN ANALYTICAL CHEMISTRY (2018)

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Article Chemistry, Analytical

A label-free and ultrasensitive electrochemical aptasensor for lead(II) using a N,P dual-doped carbon dot-chitosan composite as a signal-enhancing platform and thionine as a signaling molecule

Qi Xiao et al.

ANALYST (2018)

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Article Chemistry, Analytical

Aptamer-based colorimetric determination of Pb2+ using a paper-based microfluidic platform

Neda Fakhri et al.

ANALYTICAL METHODS (2018)

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Article Biophysics

A novel aptasensor based on 3D-reduced graphene oxide modified gold nanoparticles for determination of arsenite

Ali A. Ensafi et al.

BIOSENSORS & BIOELECTRONICS (2018)

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Review Chemistry, Inorganic & Nuclear

Photoluminescent, upconversion luminescent and nonlinear optical metal-organic frameworks: From fundamental photophysics to potential applications

Tu N. Nguyen et al.

COORDINATION CHEMISTRY REVIEWS (2018)

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Article Chemistry, Multidisciplinary

Ultrasensitive and highly selective FRET aptasensor for Hg2+ measurement in fish samples using carbon dots/AuNPs as donor/acceptor platform

Shole Amiri et al.

NEW JOURNAL OF CHEMISTRY (2018)

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Article Chemistry, Analytical

Methylene blue sensitized photoelectrochemical biosensor with 3,4,9,10-Perylene tetracarboxylic acid film as photoelectric material for highly sensitive Pb2+ detection

Liaojing Huang et al.

SENSORS AND ACTUATORS B-CHEMICAL (2018)

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Article Nanoscience & Nanotechnology

Aptamer-Based Electrochemical Biosensor for Mercury Ions Detection Using AuNPs-Modified Glass Carbon Electrode

Yuan Liu et al.

JOURNAL OF BIOMEDICAL NANOTECHNOLOGY (2018)

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Article Chemistry, Analytical

An electrochemical aptasensor based on gold@polypyrrole composites for detection of lead ions

Jina Ding et al.

MICROCHIMICA ACTA (2018)

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Article Nanoscience & Nanotechnology

A Novel Aptasensor Based on Graphene/Graphite Carbon Nitride Nanocomposites for Cadmium Detection with High Selectivity and Sensitivity

Xiaofang Wang et al.

ACS APPLIED NANO MATERIALS (2018)

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Review Biotechnology & Applied Microbiology

Aptamers as targeted therapeutics: current potential and challenges

Jiehua Zhou et al.

NATURE REVIEWS DRUG DISCOVERY (2017)

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Article Spectroscopy

A Selective Surface-Enhanced Raman Scattering Sensor for Mercury(II) Based on a Porous Polymer Material and the Target-Mediated Displacement of a T-Rich Strand

Y. Kang et al.

JOURNAL OF APPLIED SPECTROSCOPY (2017)

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Article Chemistry, Analytical

Determination of cadmium at ultratrace levels by dispersive liquid-liquid microextraction and batch type hydride generation atomic absorption spectrometry

Nursu Aylin Kasa et al.

MICROCHEMICAL JOURNAL (2017)

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Article Chemistry, Analytical

Simultaneous determination of arsenic and cadmium by hydride generation atomic fluorescence spectrometry using magnetic zero-valent iron nanoparticles for separation and pre-concentration

Hong Luo et al.

MICROCHEMICAL JOURNAL (2017)

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Article Chemistry, Multidisciplinary

Defining the copper binding aptamotif and aptamer integrated recovery platform (AIRP)

Simranjeet Singh Sekhon et al.

NANOSCALE (2017)

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Article Chemistry, Analytical

Development of highly selective and sensitive fluorimetric label-free mercury aptasensor based on cysteamine@CdTe/ZnS quantum dots, experimental and theoretical investigation

B. Rezaei et al.

SENSORS AND ACTUATORS B-CHEMICAL (2017)

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Review Chemistry, Analytical

A review: Aptamer-based analytical strategies using the nanomaterials for environmental and human monitoring of toxic heavy metals

Leila Farzin et al.

TALANTA (2017)

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Review Chemistry, Analytical

Nanomaterial-based aptasensors and bioaffinity sensors for quantitative detection of 17β-estradiol

Alireza Nezami et al.

TRAC-TRENDS IN ANALYTICAL CHEMISTRY (2017)

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Article Chemistry, Physical

Electrostatic interaction mechanism based synthesis of a Z-scheme BiOI-CdS photocatalyst for selective and sensitive detection of Cu2+

Hao Wang et al.

JOURNAL OF MATERIALS CHEMISTRY A (2017)

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Review Electrochemistry

Electrochemical Biosensors in Point-of-Care Devices: Recent Advances and Future Trends

Everson T. S. G. da Silva et al.

CHEMELECTROCHEM (2017)

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Review Materials Science, Multidisciplinary

A Review of Gold and Silver Nanoparticle-Based Colorimetric Sensing Assays

Myalowenkosi Sabela et al.

ADVANCED ENGINEERING MATERIALS (2017)

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Article Electrochemistry

Label-free and enzyme-free strategy for sensitive electrochemical lead aptasensor by using metal-organic frameworks loaded with AgPt nanoparticles as signal probes and electrocatalytic enhancers

Wenju Xu et al.

ELECTROCHIMICA ACTA (2017)

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Review Biophysics

Nanomaterial-based electrochemical sensors for arsenic - A review

Sureshkumar Kempahanumakkagari et al.

BIOSENSORS & BIOELECTRONICS (2017)

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Article Biophysics

Practical and regenerable electrochemical aptasensor based on nanoporous gold and thymine-Hg2+-thymine base pairs for Hg2+ detection

Guangming Zeng et al.

BIOSENSORS & BIOELECTRONICS (2017)

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Article Biophysics

Simple and rapid chemiluminescence aptasensor for Hg2+ in contaminated samples: A new signal amplification mechanism

Yingying Qi et al.

BIOSENSORS & BIOELECTRONICS (2017)

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Article Biophysics

Plasmon enhanced photoelectrochemical sensing of mercury (II) ions in human serum based on Au@Ag nanorods modified TiO2 nanosheets film

Yong Zhang et al.

BIOSENSORS & BIOELECTRONICS (2016)

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Article Biophysics

Nanoporous Au-based chronocoulometric aptasensor for amplified detection of Pb2+ using DNAzyme modified with Au nanoparticles

Chen Zhang et al.

BIOSENSORS & BIOELECTRONICS (2016)

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Article Biophysics

A simple and sensitive fluorimetric aptasensor for the ultrasensitive detection of arsenic(III) based on cysteamine stabilized CdTe/ZnS quantum dots aggregation

Ali A. Ensafi et al.

BIOSENSORS & BIOELECTRONICS (2016)

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Article Chemistry, Multidisciplinary

Thiourea functionalized CdSe/CdS quantum dots as a fluorescent sensor for mercury ion detection

Li-Li Xi et al.

CHINESE CHEMICAL LETTERS (2016)

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Article Energy & Fuels

Application of ICP-MS and ICP-OES on the Determination of Nickel, Vanadium, Iron, and Calcium in Petroleum Crude Oils via Direct Dilution

Laura Poirier et al.

ENERGY & FUELS (2016)

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Article Chemistry, Applied

Heavy metals in aromatic spices by inductively coupled plasma-mass spectrometry

Daniel Giuseppe Bua et al.

FOOD ADDITIVES & CONTAMINANTS PART B-SURVEILLANCE (2016)

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Article Engineering, Environmental

Ultrasensitive photoelectrochemical determination of chromium(VI) in water samples by ion-imprinted/formate anion-incorporated graphitic carbon nitride nanostructured hybrid

Tian Fang et al.

JOURNAL OF HAZARDOUS MATERIALS (2016)

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Article Chemistry, Analytical

Electrochemiluminescence Resonance Energy Transfer System: Mechanism and Application in Ratiometric Aptasensor for Lead Ion

Yan-Mei Lei et al.

ANALYTICAL CHEMISTRY (2015)

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Article Biophysics

A fluorescent nanosensor based on graphene quantum dots-aptamer probe and graphene oxide platform for detection of lead (II) ion

Zhao Sheng Qian et al.

BIOSENSORS & BIOELECTRONICS (2015)

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Article Environmental Sciences

An aptasensor for selective, sensitive and fast detection of lead(II) based on polyethyleneimine and gold nanoparticles

Seyed Mohammad Taghdisi et al.

ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY (2015)

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Review Chemistry, Analytical

A review on detection of heavy metal ions in water - An electrochemical approach

Manju Bhargavi Gumpu et al.

SENSORS AND ACTUATORS B-CHEMICAL (2015)

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Article Chemistry, Analytical

Determination of Hg2+ by on-line separation and pre-concentration with atmospheric-pressure solution-cathode glow discharge atomic emission spectrometry

Qing Li et al.

ANALYTICA CHIMICA ACTA (2014)

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Review Biochemical Research Methods

Graphene-based sensors for detection of heavy metals in water: a review

Jingbo Chang et al.

ANALYTICAL AND BIOANALYTICAL CHEMISTRY (2014)

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Article Biochemical Research Methods

Label-free fluorescent sensor for lead ion detection based on lead(II)-stabilized G-quadruplex formation

Shenshan Zhan et al.

ANALYTICAL BIOCHEMISTRY (2014)

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Article Biophysics

Femtomole level photoelectrochemical aptasensing for mercury ions using quercetin-copper(II) complex as the DNA intercalator

Hongbo Li et al.

BIOSENSORS & BIOELECTRONICS (2014)

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Article Environmental Sciences

Ultrasensitive detection of lead (II) based on fluorescent aptamer-functionalized carbon nanotubes

Seyed Mohammad Taghdisi et al.

ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY (2014)

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Article Chemistry, Applied

A highly sensitive enzyme-linked immunosorbent assay for copper(II) determination in drinking water

Changrui Xing et al.

FOOD AND AGRICULTURAL IMMUNOLOGY (2014)

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Article Chemistry, Analytical

Aptamer biosensing platform based on carbon nanotube long-range energy transfer for sensitive, selective and multicolor fluorescent heavy metal ion analysis

Sheng-e Wang et al.

ANALYTICAL METHODS (2013)

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Article Chemistry, Analytical

DETERMINATION OF HEAVY METAL CONTENT IN VEGETABLES AND OILS FROM SPAIN AND MOROCCO BY INDUCTIVELY COUPLED PLASMA MASS SPECTROMETRY

Karima Bakkali et al.

ANALYTICAL LETTERS (2012)

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Article Chemistry, Multidisciplinary

Cationic polymers and aptamers mediated aggregation of gold nanoparticles for the colorimetric detection of arsenic(III) in aqueous solution

Yuangen Wu et al.

CHEMICAL COMMUNICATIONS (2012)

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Article Chemistry, Analytical

Development and validation of a competitive indirect enzyme-linked immunosorbent assay for the determination of mercury in aqueous solution

Huan He et al.

ANALYTICAL METHODS (2011)

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Article Materials Science, Multidisciplinary

Investigation of heavy-metal accumulation in selected plant samples using laser induced breakdown spectroscopy and laser ablation inductively coupled plasma mass spectrometry

M. Galiova et al.

APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING (2008)

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Review Biochemical Research Methods

SELEX-A (r)evolutionary method to generate high-affinity nucleic acid ligands

Regina Stoltenburg et al.

BIOMOLECULAR ENGINEERING (2007)

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Article Biochemical Research Methods

Analysis of metal ions in crude oil by reversed-phase high performance liquid chromatography using short column

H. Salar Amolia et al.

JOURNAL OF CHROMATOGRAPHY A (2006)

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Article Chemistry, Analytical

Determination of cadmium, zinc, nickel and cobalt in tobacco by reversed-phase high-performance liquid chromatography with 2-(8-quinolylazo)-4,5-diphenylimidazole as a chelating reagent

CJ Zhang et al.

ANALYTICAL SCIENCES (2005)

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Article Medicine, General & Internal

Hazards of heavy metal contamination

L Jarup

BRITISH MEDICAL BULLETIN (2003)

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Review Multidisciplinary Sciences

Biochemistry - Adaptive recognition by nucleic acid aptamers

T Hermann et al.

SCIENCE (2000)

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