Luminescent Chemosensor Systems for Detecting Metal Ions in Aqueous Media

Abstract

The paper deals with the synthesis and study of chemosensor structures for detecting metal ions in aqueous solutions based on a hydrophilic polymer modified by an ion-sensitive indicator. A new ion-sensitive indicator based on the rhodamine 6G luminophore that selectively responds to the presence of nickel ions in aqueous environment is developed. The limit of the nickel ions detection is equal to 0.1 µM.

Keywords

• biopolymer
• chitosan
• optical sensor
• sensitive coatings
• luminescence
• analyte
• polymers
• metal ions