Dr V K Unnikrishnan
Dr V K Unnikrishnan
Associate Professor
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Measurements of plasma temperature and electron density in laser-induced copper plasma by time-resolved spectroscopy of neutral atom and ion emissions
VK Unnikrishnan, K Alti, VB Kartha, C Santhosh, GP Gupta, BM Suri
Pramana 74, 983-993, 2010
Analytical predictive capabilities of laser induced breakdown spectroscopy (LIBS) with principal component analysis (PCA) for plastic classification
VK Unnikrishnan, KS Choudhari, SD Kulkarni, R Nayak, VB Kartha, ...
Rsc Advances 3 (48), 25872-25880, 2013
A hybrid LIBS–Raman system combined with chemometrics: an efficient tool for plastic identification and sorting
KMM Shameem, KS Choudhari, A Bankapur, SD Kulkarni, ...
Analytical and bioanalytical chemistry 409, 3299-3308, 2017
Analysis of trace elements in complex matrices (soil) by Laser Induced Breakdown Spectroscopy (LIBS)
VK Unnikrishnan, R Nayak, K Aithal, VB Kartha, C Santhosh, GP Gupta, ...
Analytical Methods 5 (5), 1294-1300, 2013
Calibration-free laser-induced breakdown spectroscopy for quantitative elemental analysis of materials
VK Unnikrishnan, K Mridul, R Nayak, K Alti, VB Kartha, C Santhosh, ...
Pramana 79, 299-310, 2012
Flexible superhydrophobic SERS substrates fabricated by in situ reduction of Ag on femtosecond laser-written hierarchical surfaces
JE George, VK Unnikrishnan, D Mathur, S Chidangil, SD George
Sensors and Actuators B: Chemical 272, 485-493, 2018
Quantitative elemental analysis of nickel alloys using calibration-based laser-induced breakdown spectroscopy
GP Gupta, BM Suri, A Verma, M Sundararaman, VK Unnikrishnan, K Alti, ...
Journal of Alloys and Compounds 509 (9), 3740-3745, 2011
Optimized LIBS setup with echelle spectrograph-ICCD system for multi-elemental analysis
VK Unnikrishnan, K Alti, R Nayak, R Bernard, N Khetarpal, VB Kartha, ...
Journal of Instrumentation 5 (04), P04005, 2010
Calibration based laser-induced breakdown spectroscopy (LIBS) for quantitative analysis of doped rare earth elements in phosphors
VK Unnikrishnan, R Nayak, P Devangad, MM Tamboli, C Santhosh, ...
Materials Letters 107, 322-324, 2013
Quantification of Mn in glass matrices using laser induced breakdown spectroscopy (LIBS) combined with chemometric approaches
P Devangad, VK Unnikrishnan, MM Tamboli, KMM Shameem, R Nayak, ...
Analytical Methods 8 (39), 7177-7184, 2016
Breath analysis for the screening and diagnosis of diseases
N VR, AK Mohapatra, U VK, RK Sinha, R Nayak, VB Kartha, S Chidangil
Applied Spectroscopy Reviews 56 (8-10), 702-732, 2021
Echelle LIBS-Raman system: A versatile tool for mineralogical and archaeological applications
KMM Shameem, VS Dhanada, S Harikrishnan, SD George, VB Kartha, ...
Talanta 208, 120482, 2020
Performance evaluation of Laser Induced Breakdown Spectroscopy (LIBS) for quantitative analysis of rare earth elements in phosphate glasses
P Devangad, VK Unnikrishnan, R Nayak, MM Tamboli, KMM Shameem, ...
Optical Materials 52, 32-37, 2016
Spectroscopic and structural study of the newly synthesized heteroligand complex of copper with creatinine and urea
D Gangopadhyay, SK Singh, P Sharma, H Mishra, VK Unnikrishnan, ...
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 154, 200-206, 2016
Spectroscopy: A promising tool for plastic waste management
UK Adarsh, VB Kartha, C Santhosh, VK Unnikrishnan
TrAC Trends in Analytical Chemistry 149, 116534, 2022
Elemental analysis of liquid samples by laser induced breakdown spectroscopy (LIBS): Challenges and potential experimental strategies
K Keerthi, SD George, SD Kulkarni, S Chidangil, VK Unnikrishnan
Optics & Laser Technology 147, 107622, 2022
Hybrid LIBS-Raman-LIF systems for multi-modal spectroscopic applications: a topical review
D VS, SD George, VB Kartha, S Chidangil, U VK
Applied Spectroscopy Reviews 56 (6), 463-491, 2021
Biomedical and environmental applicationsof laser-induced breakdown spectroscopy
VK Unnikrishnan, KS Choudhari, SD Kulkarni, R Nayak, VB Kartha, ...
Pramana 82, 397-401, 2014
Evaluation of high-performance liquid chromatography laser-induced fluorescence for serum protein profiling for early diagnosis of oral cancer
A Patil, V Prabhu, KS Choudhari, VK Unnikrishnan, SD George, R Ongole, ...
Journal of Biomedical Optics 15 (6), 067007-067007-9, 2010
Salivary protein markers: a noninvasive protein profile-based method for the early diagnosis of oral premalignancy and malignancy
A Patil, KS Choudhari, VK Unnikrishnan, N Shenoy, R Ongole, KM Pai, ...
Journal of Biomedical Optics 18 (10), 101317-101317, 2013
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