My research focuses on developing next-generation biophotonic and spectroscopic biosensing technologies for early disease detection, precision diagnostics, and translational healthcare. I integrate biophotonics, vibrational spectroscopy (FTIR, Raman, Hyperspectral nano-imaging), micro-/nano-fabrication, machine learning, and clinical validation to develop/engineer scalable diagnostic platforms addressing unmet needs in infectious diseases, metabolic disorders, neurodegeneration, and oncology.
A core theme of my work is understanding biomolecular organization and protein abberation phenomena in disease, translating spectral fingerprints into robust biomarkers. My doctoral and postdoctoral research established amyloid-like spectral signatures in pre-cancerous tissues and metabolic pathologies, advancing label-free detection strategies. More recently, my peer-reviewed research has established spectroscopy-driven AI frameworks for serum- and tissue-based detection and stratification of infectious diseases (Dengue, Chikungunya, SARS-CoV-2), metabolic dysfunctions including migraine, and oncological conditions such as oral pre-cancers and prostate cancer, bridging laboratory innovation with clinical workflows.
At IIT Kharagpur’s Advanced Technology Development Centre (ATDC), my group aims to build a Translational Biophotonics Laboratory that enables development of portable, low-cost, high-sensitivity diagnostic platforms for resource-constrained settings. Current thrust areas include multimodal micro-spectroscopic data fusion (FTIR, RAMAN, and Hyperspectral), and edge-AI deployment. I actively pursue translational partnerships with hospitals, industry, and national mission programs to accelerate technology readiness and commercialization.
Beyond research, I am deeply committed to mentoring interdisciplinary talent, building open research infrastructure, and integrating cutting-edge research into curriculum and national outreach through MOOCs and training programs.
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FTIR-based molecular fingerprinting for the rapid classification of dengue and chikungunya from human sera using machine learning: an observational study by Das S., Roy S., Bir A., Ghosh A., Bhattacharyya T.K., Lahiri P., Lahiri B. The Lancet Regional Health - Southeast Asia 40 - (2025)
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Infrared Chemical Imaging of Oral Pre-Cancerous Lesions by Talukdar P.J., Bharti K., Das S.K., Pal M., Paul R.R., Lahiri P., Lahiri B. 2025 IEEE Photonics Conference, IPC 2025 - Proceedings - (2025)
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Infrared Microspectroscopy of Oral Precancer: A Proof of Concept for the Rapid Screening and Early Detection by Talukdar P.J., Bharti K., Das S.K., Paul R.R., Pal M., Lahiri P., Lahiri B. Lecture Notes in Electrical Engineering 1242 LNEE 105-112 (2025)
Principal Investigator
- Multimodal Vibrational Serum Fingerprinting with Explainable AI for Migraine Classification SRIC, IIT KHARAGPUR
Ph. D. Students
Lakshmayya Nsv
Area of Research: Liver on Chip
Subhrajyoti Mallick
Area of Research: Experimental Biophotonics