Dual-channel ratiometric
A water-soluble probe specifically recognizes bisulfite via nucleophilic addition, disrupting its conjugated system to produce distinct colorimetric changes and dual-channel ratiometric fluorescence, suitable for complex biological and environmental samples.
Yanbo, Li · Lingzi, Zhong · Tianqing, Ye · Man, Xu · Tongxian, Zhu · Lin, Yanfei · Guo, Longhua · Wang, Jianbo
Microchemical Journal 2025
Response time 60 s
Ratiometric fluorescence F522nm/F705nm