QMN dual-mode probe

31.9 nM sensitive chromogenic detection of sulfite

A water-soluble small-molecule probe that enables colorimetric detection of sulfite from pale yellow to red and strong fluorescence turn-on via a rapid 1,4-Michael addition, suitable for on-site visual analysis of food.

Chenyang, Yue · Zeng, Lintao · Zhang, Di · Li, Kai · Jiang, Lirong · Xie, Peng

Food Chemistry 2023

Specifications

检测限

{'zh': '31.9', 'en': ''} nM

in food samples

{'zh': '', 'en': '-111.33'} %

Accuracy

{'zh': '', 'en': '-98.71'} %

Advantages

Rapid response time