Prof. Prabhat K. Singh is currently working as a senior scientist at the Bhabha Atomic Research Centre, Mumbai, India, focusing on ultrafast spectroscopy, supramolecular chemistry, and bio- and chemo-sensing applications. A Gold Medalist from the University of Burdwan, he joined BARC in 2006, earning the prestigious Homi Bhabha Gold Medal. He completed his Ph.D. at the Homi Bhabha National Institute, receiving a Best Thesis Award, and conducted postdoctoral research at the University of Pennsylvania. Prof. Singh’s contributions have earned him numerous honors, including Young Scientist Awards from the Department of Atomic Energy, NASI, and ISCA. He is a Fellow of the Royal Society of Chemistry (FRSC) and holds memberships in INYAS, NASI, IASc, and the Global Young Academy. Recognized among Stanford University’s top 2% scientists, he was recently awarded the TWAS Young Affiliate and honored with national medals for his impactful research achievements.

• 1. Introduction to Optical Biosensors2. Illuminating Amino Acids: Advanced Optical Biosensors for Neurological Applications3. Cutting-Edge Biothiol Detection: Ratiometric Fluorescence Sensors in Health4. Phosphates Under the Lens: Optical Biosensors Transforming Clinical Diagnostics5. Non-Invasive Glucose Monitoring: Innovative Optical Techniques Revolutionizing Diabetes Care6. Optical Biosensors for Biogenic Amine Detection in Clinical Diagnostics7. Shedding Light on Lipids: Fluorescent Biosensors Advancing Cardiovascular and Metabolic Research8. Enzyme Activity Unveiled: Optical Biosensors in Medical Diagnostics and Processes9. Illuminating Albumins: Advanced Detection Techniques for Enhanced Clinical Outcomes10. Early Neurodegeneration Detection: Optical Biosensors Targeting Amyloid Fibrils11. Point-of-Care Anticoagulation Monitoring: Innovative Optical Sensors for Heparin Detection12. Counteracting Anticoagulants: Advanced Fluorescence Biosensors for Protamine Detection13. Nucleic Acids in Focus: Optical Biosensors Revolutionizing Personalized Medicine14. Rapid Microbial Detection: Optical Biosensors Enhancing Public Health and Safety15. Viral Threats Exposed: Optical Biosensors in Pandemic Response and Antiviral Therapy16. Sustainable Sensing Solutions: Ionic Liquids in Next-Generation Optical Biosensors17. From molecular recognition to portable diagnosis: Optical biosensing systems for point-of-care applications18. Conclusions and Future Perspectives

Prof. Prabhat K. Singh is currently working as a senior scientist at the Bhabha Atomic Research Centre, Mumbai, India, focusing on ultrafast spectroscopy, supramolecular chemistry, and bio- and chemo-sensing applications. A Gold Medalist from the University of Burdwan, he joined BARC in 2006, earning the prestigious Homi Bhabha Gold Medal. He completed his Ph.D. at the Homi Bhabha National Institute, receiving a Best Thesis Award, and conducted postdoctoral research at the University of Pennsylvania. Prof. Singh’s contributions have earned him numerous honors, including Young Scientist Awards from the Department of Atomic Energy, NASI, and ISCA. He is a Fellow of the Royal Society of Chemistry (FRSC) and holds memberships in INYAS, NASI, IASc, and the Global Young Academy. Recognized among Stanford University’s top 2% scientists, he was recently awarded the TWAS Young Affiliate and honored with national medals for his impactful research achievements.

• 1. Introduction to Optical Biosensors2. Illuminating Amino Acids: Advanced Optical Biosensors for Neurological Applications3. Cutting-Edge Biothiol Detection: Ratiometric Fluorescence Sensors in Health4. Phosphates Under the Lens: Optical Biosensors Transforming Clinical Diagnostics5. Non-Invasive Glucose Monitoring: Innovative Optical Techniques Revolutionizing Diabetes Care6. Optical Biosensors for Biogenic Amine Detection in Clinical Diagnostics7. Shedding Light on Lipids: Fluorescent Biosensors Advancing Cardiovascular and Metabolic Research8. Enzyme Activity Unveiled: Optical Biosensors in Medical Diagnostics and Processes9. Illuminating Albumins: Advanced Detection Techniques for Enhanced Clinical Outcomes10. Early Neurodegeneration Detection: Optical Biosensors Targeting Amyloid Fibrils11. Point-of-Care Anticoagulation Monitoring: Innovative Optical Sensors for Heparin Detection12. Counteracting Anticoagulants: Advanced Fluorescence Biosensors for Protamine Detection13. Nucleic Acids in Focus: Optical Biosensors Revolutionizing Personalized Medicine14. Rapid Microbial Detection: Optical Biosensors Enhancing Public Health and Safety15. Viral Threats Exposed: Optical Biosensors in Pandemic Response and Antiviral Therapy16. Sustainable Sensing Solutions: Ionic Liquids in Next-Generation Optical Biosensors17. From molecular recognition to portable diagnosis: Optical biosensing systems for point-of-care applications18. Conclusions and Future Perspectives