ArticleEnvironmental science and pollution research international2016
Electrochemical detection of malathion pesticide using acetylcholinesterase biosensor based on glassy carbon electrode modified with conducting polymer film.
Article in Environmental science and pollution research international, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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Who cites it
15 citing papers in PubMed, 60 citations in OpenAlex.
- Multifunctional Conductive Polymer Nanocomposite for Intelligent Pesticide Sensing: Trends, Challenges, and Future Prospects.Molecules (Basel, Switzerland) · 2026Review
- Highly Efficient and Selective Biosensing of Malathion Utilizing Bioengineered Nanoplatform Based on FeLangmuir : the ACS journal of surfaces and colloids · 2026Article
- Review
- A graphene quantum dots-glassy carbon electrode-based electrochemical sensor for monitoring malathion.Beilstein journal of nanotechnology · 2023Article
- A novel construct of an electrochemical acetylcholinesterase biosensor for the investigation of malathion sensitivity to three different insect species using a NiCrRSC advances · 2022Article
- Synthesis and characterization of an electrochromic copolymer based on 9, 10-di (furan-2-yl)anthracene and 3,4-ethylenedioxythiophene.Turkish journal of chemistry · 2022Article
- Towards Clean and Safe Water: A Review on the Emerging Role of Imprinted Polymer-Based Electrochemical Sensors.Sensors (Basel, Switzerland) · 2021Review
- A Cationic Surfactant-Decorated Liquid Crystal-Based Aptasensor for Label-Free Detection of Malathion Pesticides in Environmental Samples.Biosensors · 2021Article
- Sensitive impedimetric detection of troponin I with metal-organic framework composite electrode.RSC advances · 2021Article
- Highly Sensitive Detection of Chemically Modified Thio-Organophosphates by an Enzymatic Biosensing Device: An Automated Robotic Approach.Sensors (Basel, Switzerland) · 2020Article
- Determination of Picomolar Concentrations of Paraoxon in Human Urine by Fluorescence-Based Enzymatic Assay.Sensors (Basel, Switzerland) · 2019Article
- Electrochemical sensors and biosensors based on the use of polyaniline and its nanocomposites: a review on recent advances.Mikrochimica acta · 2019Review
- Nanostructured Diatom-ZrOSensors and actuators. B, Chemical · 2019Article
- Development of an automated multienzymatic biosensor for risk assessment of pesticide contamination in water and food.EFSA journal. European Food Safety Authority · 2018Article
- Non-Enzymatic Electrochemical Sensing of Malathion Pesticide in Tomato and Apple Samples Based on Gold Nanoparticles-Chitosan-Ionic Liquid Hybrid Nanocomposite.Sensors (Basel, Switzerland) · 2018Article
Corrections and comments
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Acetylcholinesterase (AChE) biosensor based on conducting poly([2,2̍';5̍' 2″]-terthiophene-3̍-carbaldehyde) (PTT) modified glassy carbon electrode (GCE) was constructed. AChE was immobilized on PTT film surface through the covalent bond between aldehyde and amino groups. The properties of PTT modified GCE were studied using cyclic voltammetry (CV), electrochemical impedance spectroscopy (EIS), and scanning electron microscopy (SEM). The biosensor showed an oxidation peak at +0.83 V related to the oxidation of thiocholine, hydrolysis product of acetylthiocholine iodide (ATCI), catalyzed by AChE. The optimum current response of the biosensor was observed at pH 7.5-8.0, 40 °C and 120 U/cm(2) of AChE concentration. The biosensor showed a high sensitivity (183.19 μA/mM), a linear range from 0.015 to 1.644 mM, and a good reproducibility with 1.7 % of relative standard deviation (RSD). The biosensor showed a good stability. The interference of glycin, ascorbic acid, histidine, uric acid, dopamine, and arginine on the biosensor response was studied. An important analytical response from these inteferents that overlaps the biosensor response was not observed. The inhibition rate of malathion as a model pesticide was proportional to its concentrations from 9.99 to 99.01 nM. The detection limit was 4.08 nM.
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