National Centre for Earth Science Studies

Education:

Professional career:

Research Interest:

Spectroscopic methods for fluid inclusion research, Photoluminescence of hydrocarbon bearing fluid inclusions, Raman spectroscopic techniques for geological applications, Biomedical optics, Optical spectroscopy in cancer diagnosis & treatment

Achievements & Awards:

1. Best Woman Scientist Award, Swadeshi Science Congress, India, 2008
2. Senior Research Fellowship, Council of Scientific and Industrial Research (CSIR), New Delhi, India, 2011
3. Post-doctoral Research Associateship, Department of Biotechnology (DBT), Govt. of India, 2011.

Membership in Professional Bodies

1. Reviewer of Journal of Biomedical Optics/SPIE
2. Reviewer of Photomedicine and Photodynamic therapy/Elsevier
3. SPIE membership

Publications:

1. JL Jayanthi, V. Nandakumar and S. S. Anoop [2017]. Feasibility of a 785 nm diode laser in Raman spectroscopy for characterizing hydrocarbon-bearing fluid inclusions in Mumbai Offshore Basin, India. Petroleum Geoscience, first published online [January] [17], [2017], https://doi.org/10.1144/petgeo2016-071
2. V. Nandakumar and JL Jayanthi. Hydrocarbon Fluid Inclusions, API Gravity of Oil, Signature Fluorescence Emissions and Emission Ratios: An Example from Mumbai Offshore, India. Energy & Fuels, 2016. DOI: 10.1021/acs.energyfuels.5b02952 (Impact Factor: 2.8)
3. JL Jayanthi, N Subhash S Manju, EK Philip, VT Beena. Comparative evaluation of the diagnostic performance of autofluorescence and diffuse reflectance in oral cancer detection: a clinical study. Journal of Biophotonics, 4 (10), 696–706, 2011 [DOI 10.1002/jbio.201100037]. (Impact Factor: 3.856)
4. JL Jayanthi, G U Nisha, S Manju, EK Philip, P Jeemon, KV Baiju, VT Beena N Subhash. Diffuse reflectance spectroscopy: Diagnostic accuracy of a non-invasive screening technique for early detection of malignant changes in the oral cavity. British Medical Journal open, 2011 [DOI:10.1136/bmjopen-2011-000071]. (Impact Factor: 4.445)
5. MM Stephen, JL Jayanthi, NG Unni, PE Kolady, VT Beena, P Jeemon and N Subhash. Diagnostic accuracy of diffuse reflectance imaging for early detection of pre-malignant and malignant changes in the oral cavity: a feasibility study. BMC Cancer 13 (278), 2013 [http://www.biomedcentral.com/1471-2407/13/278] (Impact Factor: 3.33)
6. MMS Mathunny, JL. Jayanthi, VT Beena, N Subhash. P46. Diffuse reflectance spectral imaging: A non-invasive promising tool for early diagnosis and screening of malignant changes in the oral cavity. Oral Oncology, 2011; Volume 47, Supplement 1, Page S89 DOI: http://dx.doi.org/10.1016/j.oraloncology.2011.06.289 (Impact Factor: 3.0)
7. MMS Mathunny, JL Jayanthi, VT Beena, N Subhash. SP1-19 Diffuse reflectance spectral imaging: a non-invasive promising tool for early diagnosis and screening of malignant changes in the oral cavity. J Epidemiol Community Health 2011; 65:A379 [doi:10.1136/jech.2011.142976m.96] (Impact Factor: 3.3)
8. JL Jayanthi, RJ Mallia, ST Shiny, KV Baiju, A Mathews, K Rejnish, P Sebastian, J Madhavan, GN Aparna, and N Subhah. Discriminant analysis of autofluorescence spectra for classification of oral lesions in vivo. Lasers in surgery and medicine: 41: 2009, 345-352 [DOI:10.1002/lsm.20771] (Impact Factor: 3.2).
9. Shiny ST, Soumyakant M, JL Jayanthi, Jolly MV, Anitha B and N Subhash. Clinical trial for detection of dental caries using laser-induced fluorescence ratio reference standard. Journal of Biomedical Optics: 15(2): 2010, 027001 (1-8) [DOI: 10.1117/1.3365945] (Impact factor: 3.48).
10. Shiny ST, JL Jayanthi, N Subhash, Joji Thomas, Rupananda JM, Aparna GN. Characterization of dental caries by LIF spectroscopy with 404nm excitation. Lasers in Medical Sciences, 2010, [DOI: 10.1007/s10103-010-0771-3] (Impact Factor: 2.28).
11. CS Prasanth, J Betsy, JL Jayanthi, UG Nisha, J Prasantila, N Subhash. In vivo inflammation mapping of periodontal disease based on diffuse reflectance spectral imaging: a clinical study. Journal of Biomedical Optics 18(2), 026019 (1-8), 2013, [DOI: 10.1117/1.JBO.18.2.026019] (Impact Factor: 3.48)
12. VG Prabitha, S Suchetha, JL Jayanthi, P Rema, KV Baiju, Nita Sukumar, Anita Mathews, Paul Sebastian, N Subhash. Multi-spectral diffuse reflectance imaging for detection of cervical lesions: a pilot study. International Journal of Engineering Science and Innovative Technology (IJESIT) 2014; 3 (6), 169-177.
13. Betsy Joseph, CS Prasanth, JL Jayanthi, J Presanthila, N Subhash, Detection and quantification of dental plaque based on laser-induced autofluorescence intensity ratio values, Journal of Biomedical Optics, 2015; 20(4), 048001 (1-10) (Impact Factor: 2.94).
14. VG Prabitha , S Suchetha, JL Jayanthi , KV Baiju, P Rema, K Anuraj, Anita Mathews, Paul Sebastian and N Subhash. Detection of cervical lesions by multivariate analysis of diffuse reflectance spectra: a clinical study. Lasers Med Sci, 2015. DOI 10.1007/s10103-015-1829-z (Impact Factor: 2.28).

Conference Proceedings:

1. V Nandakumar, SL Harley, Vinod Samuel, JK Tomson, JL Jayanthi, Bhatuk Joshi and Nilanjana Sorcar. Evidences of extensive crustal melting in the Kerala-Khondalite Belt, southern India during assembly of Eastern Gondwanna. Abstract Volume, IAGR Conference Series No. 22, PP. 216-217.
2. V. Nandakumar and JL Jayanthi. Hydrocarbon Fluid Inclusions: Fluorescence Spectral Signatures - An indicator of API Gravity. PACROFI XIII, May 23-26, 2016.
3. Jayanthi JL and Nandakumar V. Characterization of hydrocarbon fluid inclusions by Raman spectroscopy. International Symposium on Photonics Applications and Nanomaterials. 28-30 September 2015, Sree Chitra Tirunal Institute of Sciences and Technology (SCTIMST), Trivandrum, India
4. Nandakumar V and Jayanthi JL. Determination of API gravity of petroleum oils using fluorescence emission technique International Symposium on Photonics Applications and Nanomaterials. 28-30 September 2015, Sree Chitra Tirunal Institute of Sciences and Technology (SCTIMST), Trivandrum, India
5. Arun Lal S, Jayanthi JL, Anoop SS, Nandakumar V. Oil window temperature from fluid inclusions in sedimentary basins- A Micro-thermometric approach. National workshop on Continental crust and cover sequences in the evolution of the Indian Sub-continent (2015), January 20-21, National Centre for Earth Science Studies, Trivandrum, India
6. Betsy J, Prasanth CS, Jayanthi JL ,Baiju KV, Prasantila J, Subhash N. 2014 Laser-induced autofluorescence for early detection and grading of dental plaque, FDI Annual World Dental Congress, New Delhi, 2014.
7. Suchetha S, Rema P, Jayanthi JL, Prabitha VG, Subhash N, Paul Sebastian. Diffuse Reflectance imaging for invivo detection of cervical abnormalities. AGOI Conference Agoicon 2013, xxii Annual Conference of Association of Gynaecologic Oncologists of India, Jipmer, Pondicherry, NOVEMBER 8-10, 2013 (Best poster award).
8. JL Jayanthi, N Subhash, S Manju, UG Nisha, VT Beena. Diffuse reflectance imaging: a tool for guided biopsy, Proc. of SPIE Vol. 8220, 822004 (1-9), 2012 [doi: 10.1117/12.907734]
9. CS Prasanth, J Betsy, N Subhash, JL Jayanthi, J Prasantila. Non-invasive detection of periodontal disease using diffuse reflectance spectroscopy: a clinical study, Proc. of SPIE Vol. 8230, 823011 (1-11), 2012 [doi: 10.1117/12.907693]
10. Jayanthi JL, Rupananda J Mallia, Shiny Sara Thomas, Aparna GN, Baiju KV, Rejinish Kumar, Anitha Mathews and Subhash N, 2008. “Applicability of discriminant analysis in the grading of oral mucosa”, Proc. of 18th Swadeshi Science Congress 2008, Trivandrum, pp. 26-27 (Best Women Scientist Award).
11. Shiny Sara Thomas, Jayanthi JL, Joji Thomas, Rupananda J Mallia, Aparna GN and Subhash N, 2008. “Characterization of dental caries by fluorescence spectroscopy”, Proc. of 18th Swadeshi Science Congress 2008, Trivandrum, pp 26-27.
12. JL Jayanthi, RJ Mallia, SS Thomas, KV Baiju, CS Prasanth, Aparna GN, Rejnish Kumar, Paul Sebastian, and N Subhash. In vivo discrimination of oral pre-malignancy using laser-induced autofluorescence spectroscopy. Proceedings of the 21st Kerala Science Congress 28-31 January 2009, Kollam, pp.520-522
13. Philip EK, Jayanthi JL, Beena VT and Subhash N. A clinical trial for non-invasive and early detection of oral pre-malignant lesions by point monitoring of laser-induced autofluorescence and diffuse reflectance. XIX National & First International Conference of IAOMP, 2010.
14. Manju Mariam Stephen Mathunny, Jayanthi JL, Beena VT and Subhash N. Diffuse reflectance spectral imaging: a promising tool for early diagnosis and screening of malignant lesions in the oral cavity. XIX National & First International Conference of IAOMP, 2010
15. Jayanthi JL, N Subhash, Nisha GU, Baiju KV, Rejnish K, Anitha M, Jayaprakash M, and Paul S. Diagnostic potential of laser-induced autofluorescence spectroscopy for discriminating oral cancer lesions invivo. Indo-french workshop on biomedical applications of vibration spectroscopy and imaging, 2010. Mumbai. pp 45-47.
16. Jayanthi JL, N Subhash, Manju S. Diffuse Reflectance Imaging: A New Perspective in Oral Cancer Diagnosis, 2011. 23rd Kerala Science congress, Trivandrum.

Book:

1. Optical Spectroscopy in Non-invasive Detection of Oral Cancer- Basic, Translational and Research; J. L. Jayanthi & N. Subhash; LAP LAMBERT Academic Publishing, Germany, 2013. ISBN: 978-3-659-36659-8

Education:

Professional career:

Research Interest:

Seismology, Electrical and Electromagnetic methods

Achievements & Awards:

1. Education Award for Seven Years (1990-1997) from “Ministry of Human Resource Development”, Department Of Education; Government of India in Year 1990.
2. UGC Scholarship (2002).
3. CSIR Diamond Jubilee Award (2003).
4. Doctorate Scholarship from University of Cologne (2008).
5. Doctorate position at TU Braunschweig (2008)
6. KMS technologies - KJT enterprises inc. Scholarship
7. GATE (Graduate Aptitude Test in Engineering) qualified, AIR: 70.

Publications:

1. Bhatt, Kaushalendra M. (2014) Microseisms and its impact on the marine-controlled source electromagnetic signal, J. Geophys. Res. Solid Earth, 119, 12, 8655–8666.
2. Bhatt K. M., Andreas Hördt and Santosh Kumar (2009) Seismicity analysis of the Kachchh aftershock zone and tectonic implication for 26 Jan 2001 Bhuj earthquake, Tectonophysics, 465, 75–83.
3. Bhatt, K. M. and Santosh Kumar (2009) Anomalous b-value in seismogenic layer of Bhuj Region, IGU, July 2009, Vol.13, No.3, pp.99-106.
4. Bhatt, K. M., A. Hördt, P. Weidelt and T. Hanstein (2009) Motionally Induced Electromagnetic Field within the Ocean, Elektromagnetische Tiefenforschung, Heimvolkshochschule, Page 46-59, ISSN 0946-7467.
5. Bhatt, K. M. (2006) Kachchh: Physics and Fault Pattern, Proceedings of 13th Symposium on Earthquake Engineering, Dec 18-20, 2006, I.I.T. Roorkee, Page 27-33.

Solid Earth Research Group (SERG)

Education:

Professional career:

Training:

• ICTP-IITM-COLA Targeted Training Activities (TTA): “Challenges in Monsoon Prediction” at International Center for Theoretical Physics (ICTP) Trieste, Italy from 23 Jun 2014 to 4 Jul 2014.
• Workshop on “Emerging Trends in Atmospheric and climate Sciences” at CUSAT, Kochi, 3- 4 May 2017.

Research Interest:

• Cloud microphysics and cloud dynamics.
• Lightning parametrization and modelling.

Achievements & Awards:

1. CSIR-UGC NET qualified, 2012

Publications:

1. Sumesh R K, Resmi E A, Unnikrishnan CK, Dharmadas Jash, Sreekanth, T S, Mol Resmi M C, Rajeevan K, Nita S, Ramachandran K K, 2019, Microphysical aspects of tropical rainfall during Bright Band events at mid and high-altitude regions over Southern Western Ghats, India. Atmospheric Research, 227 178–197. (IF:3.7).

Education:

Professional career:

Research Interests:

1. Regional Air quality studies in changing climate and it’s impacts on troposphere: Monitoring of tropospheric trace gases, in-situ observations and regional climate.
2. Understanding the bio-geo chemical changes which are due to complex hydrological processes within the river basin under the scenarios of climate change, land use land cover change and water, agricultural and industrial practices or any other perturbation
3. Experimental studies relevant to Atmospheric chemistry to measure very low (ppt/ppb) and the absorption coefficient of an atmospheric constituent such as the Cavity Ring Down Spectroscopy (CRDS) and Laser Induced Fluorescence (LIF) and also the combustion processes such as the shock tube method.

Achievements & Awards:

Publications:

1. Reaction of OH radical Atmospheric oxidation of (E)-2-pentenal: the ab- initio and transition state theory calculations.B. Upendra, D. S. Lakshmi Prasanna and B. Rajakumar, Current Science, 102 (2012), 460 -469.
2. Kinetic parameters of abstraction reactions; Atmospheric reactions of OH radical with ethylene, fluoroethylene, cis- and trans-1,2-difluoroethylene and l,1-difluoroethylene, in the temperature range of 200--400 K: GAUSSIAN-3/B3LYP theory. Mohamad Akbar Ali, B. Upendra, B. Rajakumar, Chemical Physics Letters, 511 (2011), 440--446.
3. Understanding the unusual diurnal variability of tropospheric column NO2 over extremely high emitting point source in India: Satellite observations and regional chemical transport model simulations: 2015, Communicated to Journal of Atmospheric Environment. B. Upendra, and Sachin D. Ghude; IITM – Pune – 2015 thesis.