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基于碳点/罗丹明B体系的用于环境中亚硝酸盐检测的比率荧光传感器。

Ratiometric fluorescent sensors for nitrite detection in the environment based on carbon dot/Rhodamine B systems.

作者信息

Tao Huihui, Zhang Zhao, Cao Qiao, Li Lingfei, Xu Shihao, Jiang Changlong, Li Yucheng, Liu Yingying

机构信息

School of Resources and Environmental Engineering, Anhui University Hefei 230601 Anhui Province P. R. China

Institute of Intelligent Machines, Hefei Institutes of Physical Science, Chinese Academy of Sciences Hefei 230031 P. R. China

出版信息

RSC Adv. 2022 Apr 26;12(20):12655-12662. doi: 10.1039/d2ra00973k. eCollection 2022 Apr 22.

DOI:10.1039/d2ra00973k
PMID:35480346
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9039988/
Abstract

A novel carbon dot/Rhodamine B-based ratiometric fluorescent probe was developed for a highly sensitivity and selective detection of nitrite (NO ). The probe showed colour changes from blue to orange under ultraviolet light in response to NO with a detection limit as low as 67 nM in the range of 0 to 40 μM. A ratiometric fluorescent test paper was successfully prepared using the probe solution, which demonstrated its feasibility towards a rapid and semi-quantitative detection of NO in real samples.

摘要

开发了一种基于新型碳点/罗丹明B的比率荧光探针，用于高灵敏度和选择性地检测亚硝酸盐（NO₂⁻）。该探针对NO₂⁻响应时，在紫外光下颜色从蓝色变为橙色，在0至40 μM范围内检测限低至67 nM。使用该探针溶液成功制备了比率荧光试纸，证明了其对实际样品中NO₂⁻进行快速半定量检测的可行性。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c114/9039988/4c8e6975a137/d2ra00973k-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c114/9039988/3f8d2728039c/d2ra00973k-s1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c114/9039988/2cc4c57eb302/d2ra00973k-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c114/9039988/a168d7ad74e8/d2ra00973k-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c114/9039988/a072ce696924/d2ra00973k-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c114/9039988/f3f1faf19dc8/d2ra00973k-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c114/9039988/6ca3c60c8c41/d2ra00973k-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c114/9039988/4c8e6975a137/d2ra00973k-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c114/9039988/3f8d2728039c/d2ra00973k-s1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c114/9039988/2cc4c57eb302/d2ra00973k-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c114/9039988/a168d7ad74e8/d2ra00973k-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c114/9039988/a072ce696924/d2ra00973k-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c114/9039988/f3f1faf19dc8/d2ra00973k-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c114/9039988/6ca3c60c8c41/d2ra00973k-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c114/9039988/4c8e6975a137/d2ra00973k-f6.jpg

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