An electrochemiluminescence sensor for sensitive detection of malathion based on g-C3N4-CdTe composite nanomaterials

Wu, Qian; Tian, Li; Shan, Xiangyu; Yang, Shuning; Li, Huiling; Li, Chao; Chen, Ruizhan; Lu, Juan

doi:10.1007/s00604-022-05517-w

Microchim Acta

2022

DOI: 10.1007/s00604-022-05517-w

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An electrochemiluminescence sensor for sensitive detection of malathion based on g-C3N4-CdTe composite nanomaterials

Qian Wu

Li Tian

Xiangyu Shan

et al.

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Cited by 8 publications

(1 citation statement)

References 34 publications

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“…3,4 Thus, researches of the physiological and pathological roles and the tracking of the concentration changes of ACh in vivo are of great significance for the diagnosis, treatments and clinical follow-up observation of these diseases. Now, liquid chromatography-Mass spectrometry (LC-MS), 5 Neuroimaging (NI), 6 Colorimetry (CM), 7 Fluorescence analysis (FlA), 8 Photoelectrochemical (PEC), 9 Organic electrochemical transistor (OECT) 10 and electrochemical biosensor (EB) 11,12 are widely used for ACh detection. Among them, LC-MS and NI do not require enzymes, but LC-MS is complex in operation.…”

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confidence: 99%

An Acetylcholine Electrochemical Biosensor Based on Bi-Enzyme Functionalized Nanofiber Composites

Jing¹,

Kuang²,

Gu³

et al. 2023

J. Electrochem. Soc.

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This work offered an electrochemical biosensor for acetylcholine (ACh) detection using the bi-enzyme functionalized nanofiber composites-modified glassy carbon electrode (GE). The nanofiber composites (AuNPs@GCS) prepared by electrospinning and electrodeposition techniques, were systematically characterized from micromorphology, active groups, actual areas, and impedance, and were used to simultaneously decorate the acetylcholinesterase (AChE) and choline oxidase (ChOx). Bi-enzyme functionalized AuNPs@GCS (AChE-ChOx/AuNPs@GCS) electrode demonstrated superior loading capacity and stability, and when used for ACh analysis, the detection limit was 0.067 nM, outperforming previous sensors for linear range and LOD. After systematic methodological evaluation and feasibility verification, this biosensor had good stability, specificity, and reproducibility. In human serum samples, the results detected by the biosensor were compared with results tested by Enzyme-linked immunosorbent assay. T test was performed for statistical comparisons and p value more than 0.05 was considered no statistical significance. It indicated that this biosensor had a good application prospect in the ACh actual sample detection. This work also provided an efficient and accurate method for quantitative detection of neurotransmitters in complex biological samples.

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confidence: 99%

An Acetylcholine Electrochemical Biosensor Based on Bi-Enzyme Functionalized Nanofiber Composites

Jing¹,

Kuang²,

Gu³

et al. 2023

J. Electrochem. Soc.

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A novel molecularly imprinting polypyrrole electrochemiluminescence sensor based on MIL-101-g-C3N4 for supersensitive determination of ciprofloxacin

Bu,

Song,

Jiang

et al. 2023

Microchim Acta

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Solid-state electrochemiluminescence sensor of CQDs based on ZIFs electrospun carbon fiber for malathion detection

Shan,

Lu,

et al. 2023

Microchemical Journal

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An electrochemiluminescence sensor for sensitive detection of malathion based on g-C3N4-CdTe composite nanomaterials

Cited by 8 publications

References 34 publications

An Acetylcholine Electrochemical Biosensor Based on Bi-Enzyme Functionalized Nanofiber Composites

An Acetylcholine Electrochemical Biosensor Based on Bi-Enzyme Functionalized Nanofiber Composites

A novel molecularly imprinting polypyrrole electrochemiluminescence sensor based on MIL-101-g-C3N4 for supersensitive determination of ciprofloxacin

Solid-state electrochemiluminescence sensor of CQDs based on ZIFs electrospun carbon fiber for malathion detection

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