Luminescence Lifetime-Based Water Conductivity Sensing Using a Cationic Dextran-Supported Ru(II) Polypyridyl Complex

• Published in: Sensors (Basel, Switzerland) Vol. 25; no. 1; p. 121
• Main Authors: Knöbl, Ya Jie, Johnston, Lauren M., Quílez-Alburquerque, José, Orellana, Guillermo
• Format: Journal Article
• Language: English
• Published: Switzerland MDPI AG 01.01.2025; MDPI
• Subjects: Adhesives; Aqueous solutions; Dextran; Electric properties; Electrical conductivity; environmental monitoring; Lifetime; Ligands; luminescence lifetime; luminescent sensors; Polymers; Process controls; Salinity; Sensors; water; Water quality; Germany; environmental monitoring; electrical conductivity; luminescence lifetime; water; luminescent sensors

Water conductivity sensing relies universally on electrical measurements, which are subject to corrosion of the electrodes and subsequent signal drift in prolonged in situ uses. Furthermore, they cannot provide contactless sensing or remote readout. To this end, a novel device for water conductivity...