Personal profile
Research Interests
1. Laser spectroscopic instrumentation
2. Multi-modal spectroscopy
3. Remote sensing
4. Microplastic analysis
5. Child malnutrition
Professional Information
Life member of Indian Laser Association (ILA), Laser Spectroscopic Society of India (LASSI) and Indian Science Congress Association.
Awards and recognition:
1. IOP best reviewer 2023
2. National Scholarship Programme of the Slovak Republic for a research/teaching/artistic stay in Slovakia in 2019 and 2020
Creative Works
Laser ablation techniques for gold purity check https://www.thehindu.com/news/cities/Mangalore/mahe-signs-mou-with-tn-company/article66646182.ece
Experience
18 years of experinece in
* laser spectroscopic instrumentation
* prototype development for biomedical and environmental applications
* optical spectroscopy for remote sensing application
* optimizing multi-modal system for microplastic analysis
Education/Academic qualification
… → 2012
External positions
Indian Institute of Technology Madras
2005 → 2006
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Collaborations and top research areas from the last five years
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Engineered liquid-repellent substrate for enhanced Laser-Induced Breakdown spectroscopy (LIBS) of liquid samples
Vasudeva, M., Varalakshmi, S. D., George, S. D. & Unnikrishnan, V. K., 01-06-2026, In: Applied Surface Science. 730, 166364.Research output: Contribution to journal › Article › peer-review
Open Access -
SERS plasmonic droplet assay for non-invasive early oral cancer screening using saliva samples
Puravankara, V., Patil, V., Unnikrishnan, V. K. & George, S. D., 01-2026, In: Microchemical Journal. 220, 116745.Research output: Contribution to journal › Article › peer-review
Open Access -
Ultrafast Lasers for Surface Texturing: Transforming the Future of Dental Biomaterials
K K , A., Ginjupalli, K., Saran, R., George, S. D. & V K, U., 19-01-2026, In: ACS Applied Bio Materials. 9, 2, p. 573-591 19 p.Research output: Contribution to journal › Review article › peer-review
Open Access1 Link opens in a new tab Citation (Scopus) -
Advances in microplastic characterization: Spectroscopic techniques and heavy metal adsorption insights
Vasudeva, M., Warrier, A. K., Kartha, V. B. & Unnikrishnan, V. K., 02-2025, In: TrAC - Trends in Analytical Chemistry. 183, 118111.Research output: Contribution to journal › Review article › peer-review
Open Access35 Link opens in a new tab Citations (Scopus) -
Chemometric Tools for the Fast Identification of Microplastics from Environmental Sources
Vasudeva, M. & Unnikrishnan, V. K., 01-01-2025, Laser Induced Breakdown Spectroscopy (LIBS): Chemometrics, Environmental and Forensic Applications. Springer Science + Business Media, p. 385-404 20 p.Research output: Chapter in Book/Report/Conference proceeding › Chapter