METHOD FOR HIGHLY-SENSITIVE AND RAPID DETECTION OF PESTICIDE RESIDUE BASED ON IMPRINTED METAL-ORGANIC FRAMEWORK PROBE
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United States of America Patent
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Issued Date -
Jul 11, 2024
app pub date -
Dec 22, 2021
filing date -
Dec 8, 2021
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Abstract
A method for highly-sensitive and rapid detection of a pesticide residue based on an imprinted metal-organic framework (MOF) probe is provided. A molecularly imprinted MOF enzyme-mimic probe is used as a colorimetric probe to catalyze the oxidation of a substrate, thereby enabling a color change of a system; a low-cost filter paper is used as a substrate for supporting the colorimetric probe, including a quality control zone, a standard zone, and a detection zone; in the quality control zone, the optimal colorimetric analysis parameters can be selected according to the temperature, humidity, and light, etc. of an environment to be tested; the standard zone is a standard colorimetric zone obtained through the dropwise addition of standards with different concentrations and is provided to establish a colorimetric analysis mathematical model; and the detection zone is provided for the detection of an actual sample.
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