Dual functional colorimetric and turn-off fluorescence probe based on pyrrolinone ester hydrazone dye derivative for Cu²⁺ monitoring and pH change

Abstract

This research presents the development of a dual functional probe based on pyrrolinone ester hydrazone dye derivatives. The probe exhibits both colorimetric and turn-off fluorescence properties, making it highly effective for copper(II) ion monitoring and pH change detection. The study demonstrates the versatility of pyrrolinone-based compounds in analytical applications.

Key Features

• Dual functional probe design
• Colorimetric and fluorescence detection
• Turn-off fluorescence mechanism
• Selective Cu²⁺ ion monitoring
• pH change detection capability
• Pyrrolinone ester hydrazone structure