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喹喔啉-萘醛缀合物用于铜离子的比色测定。

A Quinoxaline-Naphthaldehyde Conjugate for Colorimetric Determination of Copper Ion.

机构信息

Department of Chemistry, University of Calcutta, 92, A.P.C. Road, Kolkata 700009, India.

Department of Chemistry, The Bhawanipur Education Society College, 5, Lala Lajpat Rai Sarani, Kolkata 700020, India.

出版信息

Molecules. 2022 May 3;27(9):2908. doi: 10.3390/molecules27092908.

DOI:10.3390/molecules27092908
PMID:35566259
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9105850/
Abstract

This work facilitates detection of bivalent copper ion by a simple Schiff base probe QNH based on a quinoxaline-naphthaldehyde framework. The detailed study in absorption spectroscopy and theoretical aspects and crystal study of the probe and probe-copper complex has been discussed. The detection limit of the probe in the presence of Cu is 0.45 µM in HEPES-buffer/acetonitrile (3/7, /) medium for absorption study. The reversibility of the probe-copper complex has been investigated by EDTA. The selective visual detection of copper has been established also in gel form.

摘要

这项工作通过基于喹喔啉-萘醛骨架的简单希夫碱探针 QNH 促进了二价铜离子的检测。已经讨论了探针和探针-铜配合物在吸收光谱和理论方面以及晶体研究方面的详细研究。在存在 Cu 的情况下，探针在 HEPES-缓冲液/乙腈（3/7，/）介质中的吸收研究中的检测限为 0.45µM。通过 EDTA 研究了探针-铜配合物的可逆性。还在凝胶形式中建立了铜的选择性可视化检测。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9ad7/9105850/c4b9f09f581f/molecules-27-02908-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9ad7/9105850/e5c20d3ce746/molecules-27-02908-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9ad7/9105850/0f6cef7abaa5/molecules-27-02908-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9ad7/9105850/6a73335e7de1/molecules-27-02908-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9ad7/9105850/a435e185edbe/molecules-27-02908-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9ad7/9105850/6b46241245d6/molecules-27-02908-sch001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9ad7/9105850/c4b9f09f581f/molecules-27-02908-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9ad7/9105850/e5c20d3ce746/molecules-27-02908-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9ad7/9105850/0f6cef7abaa5/molecules-27-02908-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9ad7/9105850/6a73335e7de1/molecules-27-02908-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9ad7/9105850/a435e185edbe/molecules-27-02908-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9ad7/9105850/6b46241245d6/molecules-27-02908-sch001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9ad7/9105850/c4b9f09f581f/molecules-27-02908-g005.jpg

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