Research output per year
Research output per year
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
Recent external collaboration on country/territory level. Dive into details by clicking on the dots or
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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 Access20 Citations (Scopus) -
Current and future prospect of Raman spectroscopy
Adarsh, U. K., Singh, V. K. & Unnikrishnan, V. K., 01-01-2025, Applied Raman Spectroscopy: Concepts, Instrumentation, Chemometrics, and Life Science Applications. Elsevier, p. 453-462 10 p.Research output: Chapter in Book/Report/Conference proceeding › Chapter
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Effect of nanosecond laser assisted surface modification on physical and mechanical properties of denture base materials
Saran, R., Kanneeram, K., Unnikrishnan, V. K., Daniel George, S., Ghurye, A. A., Raghu Chandrashekar, H., Perampalli, N. U. & Ginjupalli, K., 03-2025, In: Scientific Reports. 15, 1, 10879.Research output: Contribution to journal › Article › peer-review
Open Access -
Hyphenated Raman spectroscopic systems: applications in biological, environmental, and materials sciences
Varalakshmi, S. D., Vasudeva, M. & Unnikrishnan, V. K., 01-01-2025, Applied Raman Spectroscopy: Concepts, Instrumentation, Chemometrics, and Life Science Applications. Elsevier, p. 427-439 13 p.Research output: Chapter in Book/Report/Conference proceeding › Chapter
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Progress in malnutrition diagnosis: assessing conventional techniques and the growing significance of laser spectroscopy in nutrient analysis
Varalakshmi, S. D., Choudhari, K. S., Lewis, L. E. S., Koushik, H., Kartha, V. B. & Unnikrishnan, V. K., 09-2025, In: Microchemical Journal. 216, 114595.Research output: Contribution to journal › Review article › peer-review
Open Access