LI Na, TIE Yicheng, ZHOU Siru, et al. Study on fluorescence sensing system for fast detection of neomycin[J]. 2020, (12): 7-9. DOI: 10.13873/J.1000-9787(2020)12-0007-03.
快速检测新霉素的荧光传感体系研究
摘要
通过硝酸回流法制备碳点
发现加入新霉素后碳点荧光猝灭。基于内滤效应构建碳点—新霉素荧光传感体系用于快速检测新霉素含量
检出限为1.0 mg·L
-1
。该体系用于实际样品中新霉素含量的测定
回收率为98.3%~101.6%。
Abstract
Carbon dots are synthesized via nitric acid reflux with coal. It is found that neomycin has fluorescence quenching effect on carbon dots. A fluorescence sensing system for fast detection of neomycin is constructed based on inner-filter effect
and detection limit is 1. 0 mg·L
-1
. The content of neomycin in real samples is detected by this fluorescence sensing system with recoveries of 98. 3 % ~ 101. 6 %.