Bimetallic Cu-BHQT receptor for selective cysteine detection in extracellular environments via fluorescence quenching-recovery

Key Points

• The study aims to explore the development of a bimetallic receptor for selective detection of cysteine in biological conditions.
• Developed a bimetallic Cu-BHQT receptor.
• Evaluated fluorescence quenching and recovery mechanisms.
• Assessed receptor performance in extracellular environments.
• The receptor selectively detected cysteine levels in various samples.
• Fluorescence intensity changed significantly with cysteine concentration.
• Demonstrated high sensitivity and specificity for cysteine detection.