Kinetics Difference-driven Organophosphorus Hydrolase-like Nanozyme-Coded Pattern for Identifying p-Nitrophenyl Pesticides

Analytical Chemistry, Год журнала: 2025, Номер unknown

Опубликована: Янв. 21, 2025

Organophosphorus pesticides (OPs) are widely used in agricultural production, posing a great threat to human health and the environment. Given that different OPs present toxicology toxicities, identifying individual pesticide residues becomes important for assessing food safety environmental implications. In this work, kinetics difference-driven analyte hydrolysis strategy is proposed first time validated identify p-nitrophenyl by developing an organophosphorus hydrolase-like nanozyme-coded sensor array. Ultrasmall bare CeO2 nanoparticles were synthesized employed as only sensing unit catalyze of multiple analytes. With catalytic preferences differences under identical reaction conditions, five common analogues (methyl-paraoxon, paraoxon, methyl-parathion, parathion, fenitrothion) offered discriminable colors. By coupling color fingerprints with pattern recognition, accurate identification their mixtures at variety concentrations ratios was verified laboratory practical scenarios. Attractively, apart from excellent performance convenient operation, hydrolytic presents strong resistance against redox substances often cause interference previous oxidoreductase-based arrays. Our study provides new paradigm discriminating specific precisely, showing promising applications multitarget analysis complex matrices.

Язык: Английский

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Colorimetric – fluorescence – photothermal tri-mode sensor array combining the machine learning method for the selective identification of sulfonylurea pesticides

Biosensors and Bioelectronics, Год журнала: 2025, Номер 277, С. 117286 - 117286

Опубликована: Фев. 19, 2025

Язык: Английский

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Smartphone-assisted paper-based analytical device integrated with photo-responsive oxidase mimetic for colorimetric detection of carbosulfan

Sensors and Actuators B Chemical, Год журнала: 2025, Номер 428, С. 137231 - 137231

Опубликована: Янв. 5, 2025

Язык: Английский

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Triple modal aptasensor arrays driven by CHA-mediated DNAzyme for signal-amplified atrazine pesticide accumulation monitoring in agricultural crops

Journal of Hazardous Materials, Год журнала: 2024, Номер 476, С. 135172 - 135172

Опубликована: Июль 10, 2024

Язык: Английский

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Versatile laccase-mimicking enzyme for dye decolorization and tetracyclines identification upon a colorimetric array sensor

Journal of Hazardous Materials, Год журнала: 2024, Номер 483, С. 136683 - 136683

Опубликована: Ноя. 26, 2024

Язык: Английский

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Metal-organic framework-sealed heterogeneous nanoenzyme: A dual-mode core–shell sensor for sensitive determination of the chlorpyrifos residue in environment and bioaccumulation in food

Chemical Engineering Journal, Год журнала: 2024, Номер unknown, С. 157693 - 157693

Опубликована: Ноя. 1, 2024

Язык: Английский

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A novel sensor array combined with machine learning for the effective differentiation of multiple classes of antibiotics based on Copper-based nanozymes with laccase-like activity

Talanta, Год журнала: 2025, Номер unknown, С. 128311 - 128311

Опубликована: Май 1, 2025

Язык: Английский

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Enhanced Photocatalytic Degradation of Chlorsulfuron by MoS₂/MIL101(Fe) S‐Scheme Heterojunction: A Conversion Mechanism Dominated by Electrons and Long‐Lifetime Reactive Species

Small, Год журнала: 2025, Номер unknown

Опубликована: Янв. 26, 2025

Abstract Altering the generation route of reactive species is a potent means to augment photocatalytic activity. In this study, MoS 2 /MIL‐101(Fe) S‐scheme heterojunction (MF2) prepared using water/solvent thermal method for degradation chlorsulfuron. Driven by internal electric field, local electron density MF2 redistributed, thus enhancing adsorption O . This promoted charge transfer generate e − , •, and H efficient oxidation It confirmed that photogenerated electrons long‐lifetime (• ) played major role. The activity chlorsulfuron much higher than (42.21 times) MIL‐101(Fe) (4.06 times). mechanism verified experimental studies Density Functional Theory simulation calculations. addition, exhibited great potential practical applications. work provided new insights into construction heterojunctions species‐dominated conversion mechanisms.

Язык: Английский

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Review: Nanozyme-based point-of-care testing for portable and on-site monitoring of food contaminants

Trends in Food Science & Technology, Год журнала: 2025, Номер 161, С. 105062 - 105062

Опубликована: Май 2, 2025

Язык: Английский

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Smartphone-integrated Nanozyme approaches for rapid and on-site detection: Empowering smart food safety

Food Chemistry, Год журнала: 2025, Номер 486, С. 144678 - 144678

Опубликована: Май 8, 2025

Язык: Английский

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