Development and Application of Optical Chemical Sensing

Dear Colleagues,

Optical chemical sensing is a rapidly evolving field that uses light-based techniques to detect and measure chemical substances. These sensors operate by translating chemical interactions into optical signals—such as changes in fluorescence, color, or light intensity—allowing for fast, instrument-free, non-invasive, and highly sensitive analysis. Over the years, advancements in materials science and photonics have significantly improved sensor performance, enabling miniaturization, lower detection limits, and greater selectivity. Recent developments have focused on enhancing sensor performance through the integration of novel materials, including quantum dots, metal–organic frameworks, and plasmonic nanostructures. These enhancements have broadened the applicability of optical sensors across diverse fields, including analytical chemistry, environmental monitoring, biomedical diagnostics, food analysis, and industrial process control. As the demand for rapid, portable, and low-cost analytical tools grows, optical chemical sensing continues to evolve, offering promising solutions for both laboratory and field-based applications.

Dr. George Tsogkas
Guest Editor

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