ArticleSensors (Basel, Switzerland)2021
Colorimetric Detection of Organophosphate Pesticides Based on Acetylcholinesterase and Cysteamine Capped Gold Nanoparticles as Nanozyme.
Article in Sensors (Basel, Switzerland), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
What it found
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The trial behind it
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Who cites it
12 citing papers in PubMed.
- Streptavidin-DisplayingSensors (Basel, Switzerland) · 2026Article
- A Wearable Electrochemical Sensing Platform for Rapid Detection of Organophosphorus Pesticides: A Flexible Biosensor Based on Screen-Printed Electrodes and Organophosphorus Hydrolase.Sensors (Basel, Switzerland) · 2026Article
- A Review on Biomedical, Biomolecular, and Environmental Monitoring Applications of Cysteamine Functionalized Nanomaterials.Micromachines · 2025Review
- A Review on the Application of Biosensors for Monitoring Emerging Contaminants in the Water Environment.Sensors (Basel, Switzerland) · 2025Review
- Fluorometric and Colorimetric Biosensors for the Assay of Cholinesterase Inhibitors.Sensors (Basel, Switzerland) · 2025Review
- Current Advances in Aptasensors for Pesticide Detection.Topics in current chemistry (Cham) · 2025Review
- Interactions of coinage metal nanoclusters with low-molecular-weight biocompounds.Biophysical reviews · 2024Review
- Surface modification strategies and the functional mechanisms of gold nanozyme in biosensing and bioassay.Materials today. Bio · 2023Review
- Review
- Metal Coordination-Driven Supramolecular Nanozyme as an Effective Colorimetric Biosensor for Neurotransmitters and Organophosphorus Pesticides.Biosensors · 2023Article
- Sensor technologies for the detection and monitoring of endocrine-disrupting chemicals.Frontiers in bioengineering and biotechnology · 2023Review
- Nanozyme-Participated Biosensing of Pesticides and Cholinesterases: A Critical Review.Biosensors · 2021Review
Corrections and comments
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Authors and funding
6 authors.
Funding
Abstract
Organophosphates (OPs) are neurotoxic agents also used as pesticides that can permanently block the active site of the acetylcholinesterase (AChE). A robust and sensitive detection system of OPs utilising the enzyme mimic potential of the cysteamine capped gold nanoparticles (C-AuNPs) was developed. The detection assay was performed by stepwise addition of AChE, parathion ethyl (PE)-a candidate OP, acetylcholine chloride (ACh), C-AuNPs, and 3, 3', 5, 5'-tetramethylbenzidine (TMB) in the buffer solution. The whole sensing protocol completes in 30-40 min, including both incubations. The Transmission Electron Microscopy (TEM) results indicated that the NPs are spherical and have an average size of 13.24 nm. The monomers of C-AuNPs exhibited intense catalytic activity (nanozyme) for the oxidization of TMB, revealed by the production of instant blue colour and confirmed by a sharp peak at 652 nm. The proposed biosensor's detection limit and linear ranges were 5.8 ng·mL
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