Brief Overview of Optical Biosensors: Ultrasensitive Disease Detection and Environmental Monitoring
Optical biosensors, by leveraging advanced nanomaterials, signal amplification strategies, and integration into wearable devices, have immense potential in early disease detection, environmental monitoring, and food safety through highly sensitive, selective, and real-time detection of a wide range of analytes, but key challenges around sensitivity in complex matrices, cost, portability, and long-term stability need to be […]