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基于内滤效应的碳点作为检测维生素B的荧光探针。

Carbon dots as fluorescent probes for detection of VB based on the inner filter effect.

作者信息

Sun X Y, Yuan M J, Liu B, Shen J S

机构信息

College of Materials Science and Engineering, Huaqiao University, Key Laboratory of Molecular Designing and Green Conversions (Fujian University) Xiamen 361021 China

出版信息

RSC Adv. 2018 May 29;8(35):19786-19790. doi: 10.1039/c8ra03070g. eCollection 2018 May 25.

DOI:10.1039/c8ra03070g
PMID:35540996
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9080768/
Abstract

In this study, we constructed a new fluorescent sensing for VB and investigated the mechanism of vitamin B (VB) quenching fluorescence of carbon dots (CDs). The fluorescence suppression is attributed to the inner filter effect (IFE) because of the overlap between UV-vis absorption spectrum of VB and emission/excitation spectra of CDs. This CDs-based sensor provides obvious advantages of simplicity, convenience, rapid response, high selectivity and sensitivity, which has potential application for the detection of VB in the medical and food industry.

摘要

在本研究中，我们构建了一种用于检测维生素B的新型荧光传感体系，并研究了维生素B（VB）猝灭碳点（CDs）荧光的机制。由于VB的紫外-可见吸收光谱与CDs的发射/激发光谱存在重叠，荧光猝灭归因于内滤效应（IFE）。这种基于碳点的传感器具有操作简单、方便、响应迅速、选择性和灵敏度高的显著优点，在医疗和食品工业中检测VB具有潜在的应用价值。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fe5e/9080768/36b27bdd482f/c8ra03070g-f8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fe5e/9080768/b59ed3ca3656/c8ra03070g-f1.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fe5e/9080768/4964eb630213/c8ra03070g-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fe5e/9080768/0c0b625f60f3/c8ra03070g-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fe5e/9080768/00fbfa41dccc/c8ra03070g-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fe5e/9080768/c851a06d9107/c8ra03070g-f7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fe5e/9080768/36b27bdd482f/c8ra03070g-f8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fe5e/9080768/b59ed3ca3656/c8ra03070g-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fe5e/9080768/ec7a5ab36157/c8ra03070g-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fe5e/9080768/ac8273b7b04f/c8ra03070g-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fe5e/9080768/4964eb630213/c8ra03070g-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fe5e/9080768/0c0b625f60f3/c8ra03070g-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fe5e/9080768/00fbfa41dccc/c8ra03070g-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fe5e/9080768/c851a06d9107/c8ra03070g-f7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fe5e/9080768/36b27bdd482f/c8ra03070g-f8.jpg

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