Related references
Note: Only part of the references are listed.
Article
Chemistry, Analytical
Anna Pekou et al.
Summary: In this study, a simple and rapid method was developed for the determination of metals and trace elements in maternal breast milk. The method used inductively coupled plasma - atomic emission spectrometry (ICP-AES) to analyze samples collected from lactating mothers at different stages of breastfeeding. The method showed good repeatability, linearity, and accuracy.
ANALYTICAL LETTERS
(2023)
Article
Engineering, Environmental
Lingfei Li et al.
Summary: A fluorescent nanoprobe was designed for qualitative and quantitative determination of amoxicillin (AMO) using nontoxic red carbon dots (RCDs) and blue carbon dots (BCDs). The portable device, based on 3D printing technology and a smartphone platform, offers rapid and accurate detection of AMO with a short detection time and sensitive detection limit. This method enables real-time assessment for food safety and on-site detection of trace substances for timely health checks.
JOURNAL OF HAZARDOUS MATERIALS
(2023)
Article
Spectroscopy
Jiemin Qiu et al.
Summary: In this study, nitrogen-containing carbon polymer dots (N-CPDs) were synthesized and used to detect Co2+ ions in water samples by taking advantage of their excellent UV absorption properties. The detection methods showed good linearity and had the advantages of simple operation, remarkable selectivity, and small sample size. The development of the UV absorption properties of carbon dots for ion detection was proven to be feasible.
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
(2023)
Article
Multidisciplinary Sciences
Reyhane Malaei et al.
Summary: A simple colorimetric method for the measurement of captopril based on its radical restoration character was designed. Carbon dots were used as effective nanozymes to enhance sensitivity. The method successfully analyzed captopril in pharmaceutical preparations.
ARABIAN JOURNAL FOR SCIENCE AND ENGINEERING
(2023)
Article
Chemistry, Analytical
Jiawei Zhu et al.
Summary: An upconversion luminescence-based nanosensor was designed for visual detection of SEM with high sensitivity and good selectivity. The nanosensor exhibited selective absorbance enhancement and UCL quenching behavior with the addition of SEM based on the inner filter effect, leading to greatly improved sensitivity and a low limit of detection. The satisfactory recovery values in spiked real samples indicated the practical applicability of the nanosensor for sensitive and convenient sensing of hazardous substances.
ANALYTICAL CHEMISTRY
(2022)
Article
Chemistry, Analytical
Ruoxuan Jiang et al.
Summary: A novel fluorescent sensing platform was developed for rapid and sensitive detection of residual antibiotics, which exhibited a unique color response to NFX with high sensitivity and rapid response time. The platform has great potential for on-site and quantitative analysis of NFX, providing an effective pathway for rapid visual antibiotics detection.
SENSORS AND ACTUATORS B-CHEMICAL
(2022)
Review
Chemistry, Inorganic & Nuclear
Mahnaz Najafi et al.
Summary: Environmental pollution caused by various industries has led to water contamination, posing a threat to human life worldwide. Therefore, it is crucial to explore affordable and efficient technologies for water purification. Metal-organic frameworks (MOFs) and covalent organic frameworks (COFs) offer great potential in the field of water remediation. This review discusses the targeted design of MOFs and COFs, as well as key issues related to adjusting their structures and enhancing their stability for the removal of organic dyes through adsorption, catalysis, and extraction in water.
COORDINATION CHEMISTRY REVIEWS
(2022)
Article
Chemistry, Applied
Min Wu et al.
Summary: Recent research has shown that copper from water sources forms smaller complexes and exhibits higher Cu2+ concentrations during digestion compared to copper from food sources, highlighting the importance of reassessing the safety limit for copper in drinking water.
Article
Chemistry, Analytical
Xiaomei Mo et al.
Summary: This study introduces a new nanosensing method for colorimetric detection of Fe3+ ions utilizing the Tyndall effect. By using colloidal Au nanoparticles and TMB as recognition reagent, the nanosensor offers high sensitivity, selectivity, and portability, with a significant improvement in detection sensitivity and a reduction in nanoprobe consumption per assay. The accuracy and practicality of the method are validated in complex samples, making it a promising tool for Fe3+ analysis.
MICROCHEMICAL JOURNAL
(2022)
Article
Multidisciplinary Sciences
Saikat Mitra et al.
Summary: Heavy metals are toxic pollutants that can accumulate in the human body through bioaccumulation. Recent studies have explored treatment options for heavy metal removal, including nanotechnology-based methods, which offer advantages such as a broad linear range, low detection limits, and high sensitivity.
JOURNAL OF KING SAUD UNIVERSITY SCIENCE
(2022)
Article
Chemistry, Multidisciplinary
O. Surucu
Summary: In this study, ICP-MS and electrochemical techniques were combined for the first time to detect and remove mercury, addressing the challenges of mercury contamination in different water resources.
MATERIALS TODAY CHEMISTRY
(2022)
Article
Engineering, Environmental
Qianru Zhang et al.
Summary: A novel enzyme-free rapid and visual ratiometric fluorescence sensor was developed for selective quantitative detection of glyphosate. The sensor utilized blue carbon nanodots and gold nanoclusters to achieve colorimetric fluorescence variation for glyphosate detection. The method exhibited a broad linear detection range and a low detection limit, and was successfully applied to real sample detection and a portable smartphone platform.
JOURNAL OF HAZARDOUS MATERIALS
(2022)
Article
Chemistry, Analytical
Chi Xu et al.
Summary: MPCN-224, a magnetic composite with core-shell structure, was synthesized by a one-pot method. It exhibited a large specific surface area and good adsorption performance. By using MPCN-224 as the sorbent, a method combining MSPE with ICPMS was established for the enrichment and determination of trace metal ions in environmental water samples.
Article
Chemistry, Multidisciplinary
Kuok-Fai Li et al.
Summary: In this paper, the use of IP-HPLC in conjunction with a metal ion chelating agent to analyze metal ion mixtures was presented. The method showed high sensitivity, close to that of ICP-AES, and high accuracy with coefficients of determination greater than 0.995.
JOURNAL OF THE CHINESE CHEMICAL SOCIETY
(2022)
Article
Chemistry, Multidisciplinary
Min Hsiao et al.
Summary: This study investigated the kinetics of colorimetric detection using surface-modified gold nanoparticle probes, revealing the correlation between salt concentration, reaction duration, and light absorbance. It was found that modification of gold nanoparticle surfaces with ascorbic acid greatly enhanced the detection sensitivity. Modeling the light absorbance of gold nanoparticles allowed for visually explaining the color change, and a quantitative visualization of sodium ion sensing was achieved.
NANOSCALE ADVANCES
(2022)
Article
Biochemical Research Methods
Mohammad Nazifi et al.
Summary: A simple sensor was developed for colorimetric determination of captopril using hierarchical hollow MnO2 microspheres as nanozymes with peroxidase-mimetic activity. The sensor showed a linear concentration range from 1.0 to 30.0 µg mL(-1) and a detection limit of 0.26 µg mL(-1). Practical application of the sensor was demonstrated for measuring CPT content in pharmaceutical formulations.
ANALYTICAL AND BIOANALYTICAL CHEMISTRY
(2021)
Article
Chemistry, Analytical
Fan Yang et al.
Summary: A portable smartphone platform based on a chemically synthesized ratiometric fluorescent probe was designed for real-time, sensitive, and quantitative detection of IPA in exhaled breath. The fluorescent probe, fabricated by modifying NAD(+) onto RCDs, emits blue light upon electron transfer from IPA to NAD(+). Combined with a smartphone color recognizer APP, the method provides a convenient pathway for visual detection of IPA with high sensitivity and accuracy.
ANALYTICAL CHEMISTRY
(2021)
Article
Construction & Building Technology
Abolfazl Naimabadi et al.
Summary: The study investigated the concentration of 10 potentially toxic heavy metals in indoor dust from homes in Neyshabur, finding them to be within safe levels. There was no significant relationship between tobacco use and heavy metal concentrations, although Cr was found to pose a higher cancer risk for both children and adults.
INDOOR AND BUILT ENVIRONMENT
(2021)
Article
Engineering, Environmental
Xiaobo Wang et al.
Summary: The EEM fluorescence spectroscopy combined with PARAFAC was used to characterize the fluorescence properties of WSOCs in PM2.5, revealing HULIS as the main substances binding with metal ions, with the interaction strength related to the types and concentrations of metal ions. The study suggested that the interactions of atmospheric heavy metal ions and WSOCs in PM2.5 may play a significant role in atmospheric environment and public health.
JOURNAL OF HAZARDOUS MATERIALS
(2021)
Article
Chemistry, Analytical
Jinkun Huang et al.
Summary: This study utilizes the light scattering property of colloidal silver nanoparticles to develop a highly sensitive method for detecting divalent mercury ions. By introducing Hg2+ samples, the degradation of AgNPs leads to a decrease in light scattering signal, enabling qualitative analysis of Hg2+ and quantitative detection with a smartphone.
SENSORS AND ACTUATORS B-CHEMICAL
(2021)
Article
Chemistry, Physical
Baiqiang Zhai et al.
Summary: A dual-DNAzyme colorimetric biosensor was developed using Cu-DNAzyme and G4-DNAzyme for the detection of Cu2+ through exonuclease III-mediated cyclical assembly. By adjusting metal-dependent DNA-cleaving DNAzymes, this biosensor can detect any metal ion target, which is significant for rapid determination of food safety.
Article
Chemistry, Analytical
Mohammad Nazifi et al.
Summary: A colorimetric assay for detecting D-penicillamine was designed using HH-MoS2 as a catalyst, which enhanced the sensitivity of the sensor. The sensor showed good linearity between absorbance ratio and D-PA concentration, with a detection limit of 0.63 μg mL(-1). This method was successfully applied to determine D-PA content in pharmaceutical formulations.
SENSORS AND ACTUATORS B-CHEMICAL
(2021)
Article
Chemistry, Multidisciplinary
Vera Yurak et al.
Summary: This study investigates the sorption-oriented approach in the remediation of lands contaminated with heavy metals, focusing on the economic criteria for evaluating the efficiency of natural sorbents. Experimental tests demonstrate variations in the efficiency of different sorbents in adsorbing heavy metal ions from aqueous salt solutes.
APPLIED SCIENCES-BASEL
(2021)
Article
Biotechnology & Applied Microbiology
Camilo Zamora-Ledezma et al.
Summary: The article discusses the causes of water pollution, the potential risks of heavy metal contamination to the environment and human health, and the technologies and materials available for purifying water sources. It highlights the human activities as the main source of heavy metals, the health hazards posed by them, and various detection and removal methods.
ENVIRONMENTAL TECHNOLOGY & INNOVATION
(2021)
Article
Engineering, Environmental
Cheng Tian et al.
Summary: Mercury ion, due to its nonbiodegradability and accumulation, poses harm to the environment and human health. Researchers have developed a sensitive SERS method to detect trace Hg2+, with the dual recycling amplification SERS aptasensor showing excellent performance.
JOURNAL OF HAZARDOUS MATERIALS
(2021)
Article
Chemistry, Analytical
Lihong Yu et al.
Summary: The study introduces a coordination array for accurate and rapid detection of heavy metal ions, which can be observed by naked eyes or detected by a plate reader. The array shows great potential for simultaneously sensing multiple heavy metal ions.
Review
Nanoscience & Nanotechnology
Guangda Xu et al.
Summary: Heavy metals are widely used in industry and agriculture, but can lead to environmental pollution and harm to human health. Developing techniques with high accuracy and sensitivity is significant for detecting heavy metal ions.
Article
Chemistry, Multidisciplinary
Xuejiang Chen et al.
Summary: This study presents a new nanosensor for the colorimetric analysis of mercury(ii) ions by combining the Tyndall effect of Au nanoparticles with specific thymine-Hg2+-thymine coordination chemistry. The sensor allows for rapid qualitative analysis of Hg2+ levels with a simple naked-eye test and quantitative detection with a smartphone, exhibiting high sensitivity and cost efficiency.
Article
Chemistry, Multidisciplinary
Qi Ding et al.
Summary: Heavy metal ions are a major source of water pollution and are carcinogens threatening ecological balance and human health. Electrochemical detection methods offer high sensitivity, efficiency, portability, and cost-effectiveness, making them versatile for on-site inspections. This promising strategy has garnered attention for applications in agriculture, life science, clinical diagnosis, and analysis.
CHEMICAL COMMUNICATIONS
(2021)
Article
Nanoscience & Nanotechnology
Yufang Hu et al.
Summary: The study focused on the interaction between Hg(II) and AuNPs, showing that Hg(II) affected the color change of AuNPs and promoted DNA adsorption, indicating that the interaction between Hg(II) and AuNPs was the dominant factor. It is important to consider target and AuNP interactions when designing label-free sensors.
ACS APPLIED NANO MATERIALS
(2021)
Article
Chemistry, Multidisciplinary
Zihao Deng et al.
Summary: This work introduces a new method for naked-eye nanosensing of Hg2+ using the Tyndall effect of gold nanoparticles, achieving ultra-sensitive detection of the target with a 5461-fold improvement in sensitivity compared to conventional GNP-based methods with surface plasmon resonance signaling.
CHEMICAL COMMUNICATIONS
(2021)
Article
Chemistry, Analytical
Hai-Feng Lu et al.
SENSORS AND ACTUATORS B-CHEMICAL
(2017)
Article
Biotechnology & Applied Microbiology
Liang Wang et al.
ENVIRONMENTAL TECHNOLOGY & INNOVATION
(2016)
Article
Chemistry, Analytical
Chenchen Ge et al.
ANALYTICAL CHEMISTRY
(2014)
Article
Chemistry, Analytical
Guan-Hua Chen et al.
ANALYTICAL CHEMISTRY
(2014)
Article
Chemistry, Multidisciplinary
Yi-Cheng Wang et al.
JOURNAL OF NANOPARTICLE RESEARCH
(2012)
Article
Chemistry, Physical
Yi-Min Fang et al.
JOURNAL OF MATERIALS CHEMISTRY
(2011)
Article
Chemistry, Physical
Steve Diamanti et al.
JOURNAL OF PHYSICAL CHEMISTRY C
(2009)
Article
Chemistry, Analytical
WE Gan et al.
JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY
(2004)
Review
Physics, Multidisciplinary
LM Sander
CONTEMPORARY PHYSICS
(2000)
Article
Chemistry, Analytical
IM El-Nahhal et al.
ANALYTICAL LETTERS
(2000)