Fluorescence-colorimetric dual-mode sensing system and application thereof in detection of Luzhou-flavor liquor

Through the fluorescence-colorimetric dual-mode sensing system, the use of quantum dot-modified metal organic frame materials to detect liquor is solved, and the problems of large detection errors and expensive equipment in the existing technology are solved, achieving rapid and accurate detection of liquor.

CN119688657APending Publication Date: 2025-03-25WULIANGYE
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Patent Information

Application Number
CN202411777980.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-05
Publication Date
2025-03-25

AI Technical Summary

Technical Problem

The existing liquor testing methods have problems such as large errors, expensive equipment, and cumbersome operations, making it difficult to quickly and accurately detect the authenticity and quality of liquor.

Method used

A fluorescence-colorimetric dual-mode sensing system is used, consisting of quantum dot-modified metal organic frame material (CDs@MOF), color developer and hydrogen peroxide (H2O2). CDs@MOF are prepared by electrostatic adsorption and stirring, and data analysis is performed in combination with PCA, HCA and LDA pattern recognition methods.

Benefits of technology

It realizes rapid and accurate detection of strong-flavored liquor, improves the accuracy and sensitivity of the detection, simplifies the detection process, and is suitable for industrial production.

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Abstract

The invention discloses a fluorescence-colorimetric dual-mode sensing system and application thereof in detection of Luzhou-flavor liquor, and belongs to the technical field of liquor detection. The fluorescence-colorimetric dual-mode sensing system is composed of CDs (at) MOF, a color developing agent and H2O2; wherein the CDs (at) MOF is a composite material formed by modifying a metal organic framework through quantum dots. The fluorescence-colorimetric dual-mode sensing system provided by the invention has the advantage of multiple fluorescence signals, the detection accuracy and efficiency are effectively improved, and the detection accuracy and sensitivity are improved under the synergistic effect of the quantum dots; meanwhile, the preparation method of the fluorescence-colorimetric dual-mode sensing system is simple, good in stability, high in sensitivity, easy to standardize and industrially produce, and beneficial to the production of the Luzhou-flavor liquor sensor.
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