Ionophore-based ion-selective potentiometric and optical sensors

Area of Science:

• Analytical Chemistry
• Sensor Technology
• Materials Science

Background:

• Ion-selective electrodes (ISEs) and optodes are crucial chemical sensors.
• Ionophores are key recognition elements in these sensor types.
• Understanding their mechanisms is vital for advancing sensor technology.

Purpose of the Study:

• To provide a comprehensive overview of ion-selective electrodes and optodes.
• To focus on the fundamental mechanisms, response characteristics, and ionophores.
• To inspire novel molecular architectures for new ionic targets and improved selectivity.

Main Methods:

• Review of existing literature on ionophore-based sensors.
• Discussion of theoretical and experimental parameters influencing sensor response.
• Analysis of ionophore structures, membrane compositions, and applications.

Main Results:

• Detailed description of ionophore-based sensor fundamentals.
• Exploration of factors affecting sensor performance.
• Overview of current and novel applications in diverse fields.

Conclusions:

• Ionophore-based sensors offer versatile applications in clinical, environmental, and process monitoring.
• Further research into ionophore molecular architectures can lead to enhanced selectivity and new targets.
• This review serves as a foundational resource for sensor development and innovation.