Ionophore-Based Potentiometric Sensors
A special issue of Chemosensors (ISSN 2227-9040).
Deadline for manuscript submissions: closed (30 September 2015) | Viewed by 19502
Special Issue Editor
Special Issue Information
Dear Colleagues,
Ionophore-based potentiometric sensors or ion-selective electrodes (ISEs) are chemical sensors where host-guest chemistry is utilized to achieve high selectivity to specific ions of interest. A unique feature of ISEs is that they provide information about the free ion concentration (ion activity), which is highly relevant in, e.g., clinical diagnostics, biosciences and environmental monitoring. In today’s modern society there is a clear demand for portable and easy-to-use chemical sensors, such as ISEs, in order to ensure a safe and clean environment, personal health and welfare for the growing population on Earth.
Intensive research in the area of ISEs over the last two decades has resulted in large improvements in the analytical performance of these sensors. Novel transduction mechanisms are continuously being explored and new sensor materials are being developed. The development is going in the direction of printable, disposable and wearable sensors as well as wireless sensor networks.
Nonetheless, despite impressive progress in recent years, ionophore-based sensors still have limitations that prevent their widespread use in everyday life. Obtaining, e.g., calibration-free ISEs still involves major challenges, and the potential benefits are huge. The aim of this Special issue is to bring together new results in research and development that focus on the most recent advances in (i) solid-contact ISEs and solid-contact reference electrodes, (ii) printable ISEs, (iii) disposable ISEs, (iv) wearable ISEs and (v) wireless sensor networks utilizing ISEs.
Prof. Dr. Johan Bobacka
Guest Editor
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Keywords
- ion-selective electrodes
- ionophore-based potentiometric sensors
- solid-state ion-to-electron transduction
- materials and fabrication methods
- applications
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