☆ 4.7 Review

Detection of Emerging Pollutants Using Aptamer-Based Biosensors: Recent Advances, Challenges, and Outlook

BIOSENSORS-BASEL (2022)

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Article Ecology

Study on the toxic effects of pharmaceutical drugs - Norfloxacin using Pangasius Sp. fish model and its mitigation using Artemisia pallens

K. S. Shreenidhi et al.

Summary: This study aims to analyze the potential pollution of water resources and sediments by the antibiotic norfloxacin, and investigate its toxic effects on fish using the Pangasius sp. fish model. The study focuses on oxidative stress parameters, hormonal changes, and tissue damage assessment using histopathological analysis.

ACTA ECOLOGICA SINICA (2023)

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Article Engineering, Environmental

Decontamination of emerging pharmaceutical pollutants using carbon-dots as robust materials

Reyna Berenice Gonzalez-Gonzalez et al.

Summary: Environmental pollution, particularly pharmaceutical residues in water matrices, is a global concern that requires effective solutions to mitigate and remediate emerging pollutants. Carbon dots-based photocatalysts are emerging as an efficient alternative for decontamination of pharmaceutical pollutants due to their multifunctional features.

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Review Chemistry, Analytical

Ultrasensitive Aptasensors for the Detection of Viruses Based on Opto-Electrochemical Readout Systems

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Summary: Viral infections have become a major global health concern, and the use of biosensors with aptamers as bio-recognition elements has provided a successful approach for rapid and specific detection, overcoming traditional challenges.

BIOSENSORS-BASEL (2022)

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Article Environmental Sciences

MXene-based electrochemical and biosensing platforms to detect toxic elements and pesticides pollutants from environmental matrices

Komal Rizwan et al.

Summary: This review presents the applications of MXene materials in environmental detection, focusing on the surface functionalization of MXene and the construction of electrochemical sensors to detect environmental pollutants. The challenges in this field and potential solutions and directions are also discussed.

CHEMOSPHERE (2022)

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Article Biophysics

Dual-aptamer-based enzyme linked plasmonic assay for pathogenic bacteria detection

Lei Zhan et al.

Summary: This article presents a simple method for bacterial detection using silver nanoplates as a chromogenic substrate. The method takes advantage of the specificity and affinity of aptamers, as well as the ability of catalase to hydrolyze H2O2. By introducing catalase into a sandwich structure composed of dual-aptamer recognition strategy, the bacterial detection signal is converted into a peak shift of local surface plasmon resonance (LSPR) and color change. This method enables fast naked-eye detection of Staphylococcus aureus.

COLLOIDS AND SURFACES B-BIOINTERFACES (2022)

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Article Chemistry, Analytical

Magnetic Halloysite Nanotube-Based SERS Biosensor Enhanced with Au@Ag Core-Shell Nanotags for Bisphenol A Determination

Sen Li et al.

Summary: In this study, a novel aptamer sensor based on magnetic separation and surface-enhanced Raman scattering (SERS) was proposed for the sensitive and specific detection of trace BPA. The sensor showed high sensitivity and specificity through the pairing of the BPA aptamer and DNA. The proposed aptasensor is a promising biosensing platform for BPA detection.

BIOSENSORS-BASEL (2022)

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Article Environmental Sciences

Pharmaceuticals and personal care products (PPCPs) in water, sediment and freshwater mollusks of the Dongting Lake downstream the Three Gorges Dam

Xuming Xu et al.

Summary: This study investigated the occurrence and concentrations of 35 typical PPCPs in the water, sediment, and freshwater mollusks of Dongting Lake. The results showed distinct seasonal differences in PPCP compositions and the presence of PPCPs in the soft tissues of mollusks. The findings highlight the importance of controlling the bioavailability of PPCPs in water and sediment for ecological risk management in freshwater lake ecosystems.

CHEMOSPHERE (2022)

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Article Environmental Sciences

Carbon dots-based nanomaterials for fluorescent sensing of toxic elements in environmental samples: Strategies for enhanced performance

Reyna Berenice Gonzalez-Gonzalez et al.

Summary: Rapid industrialization and manufacturing expansion have led to heavy metal pollution, a critical environmental issue faced by the global population. Conventional detection methods have limitations, leading to the development of novel nanosensors. Carbon dots (CDs) have been proposed as an alternative for accurate detection of heavy metal ions in water systems. This review discusses successful examples of using CDs for metal ion detection, strategies to enhance their photoluminescence properties, and challenges for further research.

CHEMOSPHERE (2022)

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Article Environmental Sciences

Pesticides in sediments of the Ebro River Delta cultivated area (NE Spain): Occurrence and risk assessment for aquatic organisms

A. Peris et al.

Summary: Intense agricultural activities in the Ebro River Delta in Spain have led to the extensive use of medium to highly polar pesticides. This study found the presence of 24 pesticides in sediments, with high concentrations of bentazone and cypermethrin. The Alfacs bay showed higher pesticide contamination compared to the Fangar bay, with a similar distribution profile. Some pesticides in the sediments posed a moderate to high risk to sediment-dwelling organisms.

ENVIRONMENTAL POLLUTION (2022)

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Review Engineering, Chemical

Biosensor Constructs for the Monitoring of Persistent Emerging Pollutants in Environmental Matrices

Reyna Berenice Gonzalez-Gonzalez et al.

Summary: Water and soil contamination is a global environmental concern that affects food and water security. Biosensors have shown effectiveness in accurate, on-site, and real-time detection of various pollutants. Different bioreceptors such as cells, antibodies, aptamers, enzymes, and nanozymes have been explored, exhibiting excellent performance. This review discusses the recent advances in each type of biosensor and compares different strategies and challenges for detecting pollutants.

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH (2022)

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Article Environmental Sciences

Occurrence and ecotoxicological risk assessment of pesticides in sediments of the Rosetta branch, Nile River, Egypt

Fawzy Eissa et al.

Summary: This study monitored the occurrence and spatiotemporal variations of 100 pesticides in sediments collected from the Rosetta branch of the Nile River in Egypt. The study also assessed the ecological risk to aquatic organisms exposed to these sediment pesticides. Results showed that 16 pesticides belonging to seven chemical families were detected, and 55% of the sediment samples were contaminated. The highest pesticide load was found in El-Rahawy, and the highest concentrations were detected in the winter season. Twelve pesticides posed a potential ecological risk to aquatic species.

JOURNAL OF ENVIRONMENTAL SCIENCES (2022)

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Article Environmental Sciences

The assessment of environmental risk related to the occurrence of pharmaceuticals in bottom sediments of the Odra River estuary (SW Baltic Sea)

Dawid Kucharski et al.

Summary: The occurrence of 130 pharmaceutically active compounds (PhACs) in sediments collected from the Odra River estuary was investigated. The compounds had the highest concentration levels near two main wastewater treatment plants and the seaport and shipyard. Pseudoephedrine, clindamycin, nalidixic acid, carbamazepine, fexofenadine, propranolol, and thiabendazole posed the highest environmental risks.

SCIENCE OF THE TOTAL ENVIRONMENT (2022)

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Review Biochemistry & Molecular Biology

Aptamer-Based Biosensors for the Colorimetric Detection of Blood Biomarkers: Paving the Way to Clinical Laboratory Testing

Anna Davydova et al.

Summary: Enzyme immunoassays are widely used in clinical diagnostics for human diseases, but they have limitations that have led to the search for alternative diagnostic assays. Oligonucleotide aptamers, with their high affinity and specificity, have emerged as promising molecular recognizing elements for biosensors. Although a wide variety of aptasensors have been developed for detecting various analytes, including disease biomarkers, only a few of them have been translated into diagnostic kits. This review focuses on aptamer-based colorimetric assays as the most suitable format for clinical lab diagnostics and discusses the main obstacles that need to be overcome before aptamer test systems can become as widely used as ELISA in clinical diagnosis purposes.

BIOMEDICINES (2022)

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Article Environmental Sciences

Bio-removal of emerging pollutants by advanced bioremediation techniques

Reyna Berenice Gonzalez-Gonzalez et al.

Summary: This review emphasizes the importance of bioremediation techniques for the removal of emerging pollutants. These pollutants are chemical or biological substances that are currently not monitored or regulated, but can have harmful effects on the environment and human health. To achieve sustainable remediation, recent research has focused on advanced biological remediation technologies, such as those involving plants, bacteria, microalgae, and fungi. The review compiles the latest studies to expand our understanding of sustainable remediation technologies and presents research opportunities based on current challenges.

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Assessing the impact of flooding on bacterial community structure and occurrence of potentially pathogenic bacteria in Texas Rivers after Hurricane Harvey

Sina V. Moghadam et al.

Summary: This study investigated the impact of flooding on bacterial diversity and the occurrence of fecal and potential bacterial pathogens in Texas Rivers after Hurricane Harvey. The results showed that flooding significantly altered the bacterial community structure and increased the presence of fecal-associated and potentially pathogenic bacteria.

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Article Engineering, Environmental

Detection and distribution of vbnc/viable pathogenic bacteria in full-scale drinking water treatment plants

Lizheng Guo et al.

Summary: VBNC bacteria are attracting attention as they cannot be detected by traditional culture-dependent methods and can resuscitate under favorable conditions. This study detected significant quantities of viable/VBNC opportunistic pathogens in full-scale DWTPs, indicating the inadequacy of traditional methods in detecting these bacteria. Development of rapid, accurate methods for detection of VBNC pathogenic bacteria in DWTPs is necessary to ensure drinking water safety.

JOURNAL OF HAZARDOUS MATERIALS (2021)

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Article Biophysics

A general configurational strategy to quencher-free aptasensors

Mingliang Mei et al.

Summary: This study developed a strategy for constructing quencher-free aptasensors that utilize the intrinsic quenching abilities of analytes to regulate fluorescence, resulting in devices with a simple structure, high selectivity, and fine sensitivity. The configuration of these aptasensors can be readily used for more applications, as demonstrated by successful fabrication for various analytes.

BIOSENSORS & BIOELECTRONICS (2021)

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Article Engineering, Environmental

A highly sensitive and group-targeting aptasensor for total phthalate determination in the environment

Yuqing Chen et al.

Summary: Phthalate esters (PAEs) are the most widely used plasticizers and have become a common environmental pollutant worldwide. A molecularly tailored broad-spectrum aptamer has been successfully fabricated that can recognize and bind multiple similarly structured total amounts of PAEs with high affinity. The developed method shows great potential for practical applications in targeted identification of pollutants and determination of their total amounts.

JOURNAL OF HAZARDOUS MATERIALS (2021)

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The Need for Chemical Simplification As a Logical Consequence of Ever-Increasing Chemical Pollution

Kathrin Fenner et al.

ENVIRONMENTAL SCIENCE & TECHNOLOGY (2021)

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Review Chemistry, Applied

Advances and perspectives of aptasensors for the detection of tetracyclines: A class of model compounds of food analysis

Sai Wang et al.

Summary: This review comprehensively summarizes over 100 advanced aptasensors developed for tetracyclines, discussing their design principles, applied transducers/materials, working performance, and pros and cons. The aptasensors are classified based on their inherent transduction techniques and the challenges, future prospects, and urgent needs for practical application are also discussed. The review aims to serve as a tool for tracking aptasensor development progress and providing references for further development of aptasensing methods for food-related analytes.

FOOD CHEMISTRY (2021)

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Article Engineering, Environmental

Contamination, sources and health risk of heavy metals in soil and dust from different functional areas in an industrial city of Panzhihua City, Southwest China

Zhijie Long et al.

Summary: The study found that contamination of vanadium and chromium in the vanadium/steel plant (VsA) and cadmium, lead, and zinc in the iron-ore smelting (IsA) were significantly higher relative to other functional areas. The contaminated heavy metals in the soil and dust mainly came from smelting and manufacturing vanadium/steel products, coal combustion and traffic.

JOURNAL OF HAZARDOUS MATERIALS (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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Review Electrochemistry

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A portable, battery-powered photoelectrochemical aptasesor for field environment monitoring of E. coli O157:H7

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Summary: A simple PEC aptasensor for E. coli O157:H7 was designed and optimized in this study, and a portable PEC analyzer was developed for on-site detection, demonstrating its great potential for field environmental monitoring.

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Article Environmental Sciences

Pesticides in US Rivers: Regional differences in use, occurrence, and environmental toxicity, 2013 to 2017

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Simultaneous and sensitive determination of Escherichia coli O157:H7 and Salmonella Typhimurium using evanescent wave dual-color fluorescence aptasensor based on micro/nano size effect

Shunyan Fang et al.

Summary: The study achieved simultaneous and sensitive determination of two common pathogenic bacteria by combining micro/nano size and time-resolved effect using evanescent wave dual-color fluorescence aptasensors and fiber nanoprobe. The method showed high detection limits, accuracy, and simplicity, providing a new technological path for the detection of multiple bacteria.

BIOSENSORS & BIOELECTRONICS (2021)

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Article Environmental Sciences

Pesticides in surface waters of tropical river basins draining areas with rice-vegetable rotations in Hainan, China: Occurrence, relation to environmental factors, and risk assessment

Huadong Tan et al.

Summary: A study in tropical China analyzed pesticides in surface waters of two river basins dominated by rice-vegetable rotations, finding 41 pesticides present with multiple pesticides mixtures posing potential risks to aquatic organisms.

ENVIRONMENTAL POLLUTION (2021)

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Article Biochemistry & Molecular Biology

Simultaneous Quantification of Ampicillin and Kanamycin in Water Samples Based on Lateral Flow Aptasensor Strip with an Internal Line

Jinbiao Lin et al.

Summary: A novel method based on lateral flow assay was developed for the detection of dual antibiotics, achieving quantitative analysis under optimized conditions. It was successfully applied in various water samples, showing potential for environmental monitoring.

MOLECULES (2021)

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A fluorescent aptasensor based on berberine for ultrasensitive detection of bisphenol A in tap water†

Yuxin Wei et al.

Summary: This study proposed an ultra-sensitive fluorescence aptasensing system based on the berberine/BPA-aptamer system, which can achieve highly sensitive detection of BPA with good linear correlation and excellent recoveries.

ANALYTICAL METHODS (2021)

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