Pesticide luminescent detection and degradation using NU-1000 MOF

被引：9

作者：

Gabriel, Fatine ^{[1
]}

Roussey, Arthur ^{[1
]}

Nobre, Sonia Sousa ^{[1
]}

Carella, Alexandre ^{[2
]}

机构：

[1] Univ Grenoble Alpes, CEA, LITEN, DTNM, F-38000 Grenoble, France

[2] Univ Montpellier, CEA, DES, ISEC,DPME, Marcoule, France

来源：

JOURNAL OF MATERIALS CHEMISTRY C | 2024年 / 12卷 / 30期

关键词：

METAL-ORGANIC FRAMEWORK; CDTE QUANTUM DOTS; ORGANOPHOSPHATE PESTICIDES; CATALYTIC HYDROLYSIS; ENZYMATIC-REACTION; RAPID DETECTION; WARFARE AGENTS; NITRO-GROUP; SENSOR; MALATHION;

D O I：

10.1039/d3tc04101h

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The metal-organic-framework (MOF) NU-1000 was synthetized and investigated for the concomitant detection and degradation of organophosphorous pesticides such as paraoxon-methyl. After confirming the stability of the synthesized NU-1000 in a buffered suspension of N-ethylmorpholine (NEM) at pH 10, the degradation properties of paraoxon-methyl were studied for different NU-1000 concentrations and pesticide/NU-1000 ratios. UV-Vis absorption was used to monitor the concentration of p-nitrophenol, the degradation product of paraoxon-methyl, and to determine the reaction half-life. NU-1000 luminescence was found to be quenched by the presence of p-nitrophenol in the buffered suspension and an alteration of the emission spectra was observed. As an example of potential practical applications, NU-1000 was used to detect paraoxon-methyl on fresh fruit. Concentrations as low as 1 ppm were successfully detected and revealed to the naked eye under UV light. NU-1000 can be used to adsorb and rapidly hydrolyse paraoxon-methyl to non-toxic compounds. This study further reveals that luminescence can be used to reveal paraoxon-methyl degradation.

引用

页码：11378 / 11385

页数：8

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