Siva Umapathy - Publications

Affiliations: 
Inorganic and Physical Chemistry Indian Insitute of Science 

94 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2020 Kuhar N, Umapathy S. Probing the stepwise unfolding of bovine serum albumin using 2D correlation Raman spectroscopic analysis. Analytical Chemistry. PMID 32865392 DOI: 10.1021/Acs.Analchem.0C02968  0.332
2020 Mukherjee R, Verma T, Nandi D, Umapathy S. Identification of a resonance Raman marker for cytochrome to monitor stress responses in Escherichia coli. Analytical and Bioanalytical Chemistry. PMID 32548767 DOI: 10.1007/S00216-020-02753-Y  0.374
2020 Pal AK, Chandra GK, Umapathy S, Mohan DB. Ultra-sensitive, reusable, and superhydrophobic Ag/ZnO/Ag 3D hybrid surface enhanced Raman scattering substrate for hemoglobin detection Journal of Applied Physics. 127: 164501. DOI: 10.1063/5.0007305  0.304
2019 Kundu K, Chandra GK, Umapathy S, Kiefer J. Spectroscopic and computational insights into the ion-solvent interactions in hydrated aprotic and protic ionic liquids. Physical Chemistry Chemical Physics : Pccp. PMID 31513201 DOI: 10.1039/C9Cp03670A  0.302
2019 Premkumar S, Kundu K, Umapathy S. Impact of cesium in methylammonium lead bromide perovskites: insights into the microstructures, stability and photophysical properties. Nanoscale. PMID 31099377 DOI: 10.1039/C9Nr02733E  0.31
2019 Panda S, Kundu K, Kiefer J, Umapathy S, Gardas RL. Molecular Level Insights into the Microstructure of a Hydrated and Nano-Confined Deep Eutectic Solvent. The Journal of Physical Chemistry. B. PMID 30924657 DOI: 10.1021/Acs.Jpcb.9B01603  0.322
2019 Jana S, Yapamanu AL, Umapathy S. Unraveling structural dynamics in isoenergetic excited S and multi-excitonic (TT) states of 9,10-bis(phenylethynyl)anthracene (BPEA) in solution via ultrafast Raman loss spectroscopy. Physical Chemistry Chemical Physics : Pccp. PMID 30702093 DOI: 10.1039/C8Cp06658B  0.469
2018 Kayal S, Roy K, Lakshmanna YA, Umapathy S. Probing the effect of solvation on photoexcited 2-(2'-hydroxyphenyl)benzothiazole via ultrafast Raman loss spectroscopic studies. The Journal of Chemical Physics. 149: 044310. PMID 30068176 DOI: 10.1063/1.5028274  0.456
2018 Kayal S, Roy K, Adithya Lakshmanna Y, Umapathy S. Ultrafast Raman Loss Spectroscopy Unravels the Dynamics in Entangled Singlet and Triplet States in Thioxanthone. The Journal of Physical Chemistry. A. PMID 29939743 DOI: 10.1021/Acs.Jpca.8B04310  0.478
2018 Venkatraman RK, Kayal S, Barak A, Orr-Ewing AJ, Umapathy S. Intermolecular Hydrogen Bonding Controlled Intersystem Crossing Rates of Benzophenone. The Journal of Physical Chemistry Letters. 1642-1648. PMID 29537284 DOI: 10.1021/Acs.Jpclett.8B00345  0.745
2018 Kayal S, Roy K, Umapathy S. Femtosecond coherent nuclear dynamics of excited tetraphenylethylene: Ultrafast transient absorption and ultrafast Raman loss spectroscopic studies. The Journal of Chemical Physics. 148: 024301. PMID 29331130 DOI: 10.1063/1.5008726  0.461
2018 Kuhar N, Sil S, Verma T, Umapathy S. Challenges in application of Raman spectroscopy to biology and materials Rsc Advances. 8: 25888-25908. DOI: 10.1039/C8Ra04491K  0.363
2018 Kharangarh PR, Umapathy S, Singh G. Investigation of sulfur related defects in graphene quantum dots for tuning photoluminescence and high quantum yield Applied Surface Science. 449: 363-370. DOI: 10.1016/J.Apsusc.2018.01.026  0.311
2017 Panda S, Kundu K, Umapathy S, Gardas R. A Combined Experimental and Theoretical Approaches to Correlate the Structure and Properties of N-methylpyrrolidone-based Protic Ionic Liquids. Chemphyschem : a European Journal of Chemical Physics and Physical Chemistry. PMID 28921897 DOI: 10.1002/Cphc.201700886  0.31
2017 Roy K, Kayal S, Ravi Kumar V, Beeby A, Ariese F, Umapathy S. Understanding Ultrafast Dynamics of Conformation Specific Photo-Excitation: A Femtosecond Transient Absorption and Ultrafast Raman Loss Study. The Journal of Physical Chemistry. A. PMID 28665609 DOI: 10.1021/Acs.Jpca.7B03893  0.435
2017 Roy K, Kayal S, Ariese F, Beeby A, Umapathy S. Mode specific excited state dynamics study of bis(phenylethynyl)benzene from ultrafast Raman loss spectroscopy. The Journal of Chemical Physics. 146: 064303. PMID 28201910 DOI: 10.1063/1.4975174  0.482
2017 Kharangarh PR, Umapathy S, Singh G. Synthesis and luminescence of ceria decorated graphene quantum dots (GQDs): Evolution of band gap Integrated Ferroelectrics. 184: 114-123. DOI: 10.1080/10584587.2017.1368801  0.328
2017 Kharangarh PR, Umapathy S, Singh G. Effect of defects on quantum yield in blue emitting photoluminescent nitrogen doped graphene quantum dots Journal of Applied Physics. 122: 145107. DOI: 10.1063/1.4991693  0.314
2016 Ravi Kumar V, Ariese F, Umapathy S. Triplet excited electronic state switching induced by hydrogen bonding: A transient absorption spectroscopy and time-dependent DFT study. The Journal of Chemical Physics. 144: 114301. PMID 27004870 DOI: 10.1063/1.4943514  0.413
2016 Ravi Kumar V, Verma C, Umapathy S. Molecular dynamics and simulations study on the vibrational and electronic solvatochromism of benzophenone. The Journal of Chemical Physics. 144: 064302. PMID 26874483 DOI: 10.1063/1.4941058  0.445
2016 Ravi Kumar V, Umapathy S. Solvent effects on the structure of the triplet excited state of xanthone: a time-resolved resonance Raman study Journal of Raman Spectroscopy. 47: 1220-1230. DOI: 10.1002/Jrs.4954  0.49
2015 Kumar S, Verma T, Mukherjee R, Ariese F, Somasundaram K, Umapathy S. Raman and infra-red microspectroscopy: towards quantitative evaluation for clinical research by ratiometric analysis. Chemical Society Reviews. PMID 26497386 DOI: 10.1039/C5Cs00540J  0.37
2015 Kumar VR, Rajkumar N, Ariese F, Umapathy S. Direct Observation of Thermal Equilibrium of Excited Triplet States of 9,10-Phenanthrenequinone. A Time-Resolved Resonance Raman Study. The Journal of Physical Chemistry. A. 119: 10147-57. PMID 26381591 DOI: 10.1021/Acs.Jpca.5B07972  0.465
2015 Dhoke K, Zanni M, Harbola U, Venkatraman RK, Arunan E, Lin KC, Nenov A, Skelton J, Miller RJ, Hirst JD, Aquilanti V, Helliwell JR, Keshavamurthy S, Ramesh S, Ashfold M, ... ... Umapathy S, et al. Dynamics of chemical bond: general discussion. Faraday Discussions. 177: 121-54. PMID 25837323 DOI: 10.1039/C5Fd90016F  0.717
2015 Ravi Kumar V, Rajkumar N, Umapathy S. Solvatochromism of 9,10-phenanthrenequinone: an electronic and resonance Raman spectroscopic study. The Journal of Chemical Physics. 142: 024305. PMID 25591351 DOI: 10.1063/1.4905126  0.494
2015 Gautam R, Vanga S, Madan A, Gayathri N, Nongthomba U, Umapathy S. Raman spectroscopic studies on screening of myopathies Analytical Chemistry. 87: 2187-2194. PMID 25583313 DOI: 10.1021/Ac503647X  0.318
2015 Pasha MA, Siddekha A, Mishra S, Azzam SH, Umapathy S. Nuclear magnetic resonance, vibrational spectroscopic studies, physico-chemical properties and computational calculations on (nitrophenyl) octahydroquinolindiones by DFT method. Spectrochimica Acta. Part a, Molecular and Biomolecular Spectroscopy. 136: 221-33. PMID 25440584 DOI: 10.1016/J.Saa.2014.09.021  0.384
2015 Gautam R, Vanga S, Ariese F, Umapathy S. Review of multidimensional data processing approaches for Raman and infrared spectroscopy Epj Techniques and Instrumentation. 2: 8. DOI: 10.1140/Epjti/S40485-015-0018-6  0.343
2015 Periyasamy V, Sil S, Dhal G, Ariese F, Umapathy S, Pramanik M. Experimentally validated Raman Monte Carlo simulation for a cuboid object to obtain Raman spectroscopic signatures for hidden material Journal of Raman Spectroscopy. 46: 669-676. DOI: 10.1002/Jrs.4709  0.327
2014 Sil S, Umapathy S. Raman spectroscopy explores molecular structural signatures of hidden materials in depth: Universal Multiple Angle Raman Spectroscopy. Scientific Reports. 4: 5308. PMID 24930768 DOI: 10.1038/Srep05308  0.323
2014 Samuel AZ, Umapathy S. Energy funneling and macromolecular conformational dynamics: A 2D Raman correlation study of PEG melting Polymer Journal. 46: 330-336. DOI: 10.1038/Pj.2014.10  0.344
2014 Pandey R, Umapathy S. Solvent-induced changes on the polarity of the triplet excited state of 2-chlorothioxanthone: From time-resolved absorption and resonance Raman spectroscopies Chemical Physics. 428: 175-180. DOI: 10.1016/J.Chemphys.2013.10.010  0.449
2013 Harbola U, Umapathy S, Mukamel S. Loss and gain signals in broadband stimulated-Raman spectra: Theoretical analysis Physical Review a - Atomic, Molecular, and Optical Physics. 88. DOI: 10.1103/Physreva.88.011801  0.362
2013 Pandey R, Rajkumar N, Umapathy S. Effect of chlorine substitution on triplet state structure of thioxanthone: A time-resolved resonance Raman study Journal of Raman Spectroscopy. 44: 270-276. DOI: 10.1002/Jrs.4189  0.426
2012 Pandey R, Umapathy S. Simultaneous detection of two triplets: a time-resolved resonance Raman study. The Journal of Physical Chemistry. A. 116: 8484-9. PMID 22803611 DOI: 10.1021/Jp3047467  0.461
2012 Melavanki RM, Patil HD, Umapathy S, Kadadevarmath JS. Solvatochromic effect on the photophysical properties of two coumarins. Journal of Fluorescence. 22: 137-44. PMID 21842450 DOI: 10.1007/S10895-011-0939-7  0.409
2012 Mathavan T, Umapathy S, Jothirajan MA, Benial AMF. Spectroscopic Studies on Threonine Doped Polyaniline Composites Spectroscopy Letters. 45: 588-593. DOI: 10.1080/00387010.2012.656175  0.375
2012 Pandey R, Umapathy S. Simultaneous detection of two triplets: A time-resolved resonance raman study Journal of Physical Chemistry A. 116: 8484-8489. DOI: 10.1021/jp3047467  0.353
2012 Patil NR, Melavanki RM, Kapatkar SB, Chandrasekhar K, Ayachit NH, Umapathy S. Solvent effect on the fluorescence quenching of biologically active carboxamide by aniline and carbon tetrachloride in different solvents using S–V plots Journal of Luminescence. 132: 558-565. DOI: 10.1016/J.Jlumin.2011.08.036  0.311
2012 RAI NK, LAKSHMANNA AY, NAMBOODIRI VV, UMAPATHY S. Basic principles of ultrafast Raman loss spectroscopy# Journal of Chemical Sciences. 124: 177-186. DOI: 10.1007/S12039-012-0214-8  0.302
2011 Sahoo SK, Umapathy S, Parker AW. Time-resolved resonance Raman spectroscopy: exploring reactive intermediates. Applied Spectroscopy. 65: 1087-115. PMID 21986070 DOI: 10.1366/11-06406  0.428
2011 Pandey R, Umapathy S. Time-resolved resonance Raman spectroscopic studies on the triplet excited state of thioxanthone. The Journal of Physical Chemistry. A. 115: 7566-73. PMID 21612295 DOI: 10.1021/Jp202387V  0.479
2011 Melavanki RM, Patil NR, Kapatkar SB, Ayachit NH, Umapathy S, Thipperudrappa J, Nataraju AR. Solvent effect on the spectroscopic properties of 6MAMC and 7MAMC Journal of Molecular Liquids. 158: 105-110. DOI: 10.1016/J.Molliq.2010.11.002  0.407
2011 Mallick B, Lakhsmanna A, Umapathy S. Ultrafast Raman loss spectroscopy (URLS): Instrumentation and principle Journal of Raman Spectroscopy. 42: 1883-1890. DOI: 10.1002/Jrs.2996  0.321
2010 Mohapatra H, Umapathy S. Time-resolved resonance Raman studies on proton-induced electron-transfer reaction from triplet excited state of 2-methoxynaphthalene to decafluorobenzophenone. The Journal of Physical Chemistry. A. 114: 12447-51. PMID 21058635 DOI: 10.1021/Jp109821R  0.441
2010 Umapathy S, Mallick B, Lakshmanna A. Mode-dependent dispersion in Raman line shapes: observation and implications from ultrafast Raman loss spectroscopy. The Journal of Chemical Physics. 133: 024505. PMID 20632761 DOI: 10.1063/1.3464332  0.402
2010 Balakrishnan G, Sahoo SK, Chowdhury BK, Umapathy S. Understanding solvent effects on structure and reactivity of organic intermediates: a Raman study Faraday Discuss.. 145: 443-466. DOI: 10.1039/B908146A  0.433
2009 Mohapatra H, Umapathy S. Influence of solvent on photoinduced electron-transfer reaction: time-resolved resonance Raman study. The Journal of Physical Chemistry. A. 113: 6904-9. PMID 19473021 DOI: 10.1021/Jp903973Q  0.335
2009 Chowdary PD, Umapathy S. Manifestation of conical intersections in resonance Raman intensities Journal of Raman Spectroscopy. 41: 310-319. DOI: 10.1002/Jrs.2442  0.433
2009 Lakshmanna A, Mallick B, Umapathy S. Ultrafast Raman loss spectroscopy: A new approach to vibrational structure determination Current Science. 97: 210-216. DOI: 10.1002/Jrs.2199  0.339
2008 Deckert V, George MW, Umapathy S. Raman spectroscopy at the beginning of the twenty-first century II Journal of Raman Spectroscopy. 39: 1508-1511. DOI: 10.1002/Jrs.2128  0.352
2008 Chowdary PD, Umapathy S. Ultrafast dynamics and photochemistry of π-π* excitedtrans-azobenzene-a comprehensive analysis of resonance Raman intensities Journal of Raman Spectroscopy. 39: 1538-1555. DOI: 10.1002/Jrs.2072  0.388
2004 Mohapatra H, Umapathy S. Time resolved resonance Raman studies on triplet excited state of 2-methoxy-naphthalene by photo-sensitization Chemical Physics Letters. 390: 427-432. DOI: 10.1016/J.Cplett.2004.03.027  0.466
2004 Abraham B, Sastri CV, Maiya BG, Umapathy S. Resonance Raman spectroscopic studies of[Ru(phen)2qdppz]2+ and its interactions with calf thymus DNA Journal of Raman Spectroscopy. 35: 13-18. DOI: 10.1002/Jrs.1072  0.358
2003 Biswas N, Umapathy S. Resonance Raman study of the solvent dynamics for ultrafast charge transfer transition in 4-nitro-4′-dimethylamino-azobenzene Journal of Chemical Physics. 118: 5526-5536. DOI: 10.1063/1.1555628  0.404
2002 Puranik M, Umapathy S. Excited State Structure and Dynamics ofp-Benzoquinone and Bromanil from Time-Resolved Resonance Raman Spectra and Simulation Bulletin of the Chemical Society of Japan. 75: 1057-1064. DOI: 10.1246/Bcsj.75.1057  0.731
2002 Mohapatra H, Umapathy S. Time-Resolved Resonance Raman Spectroscopic Studies on the Radical Anions of Methyl-1,4-benzoquinone and 2,6-Dimethyl-1,4-benzoquinone The Journal of Physical Chemistry A. 106: 4513-4518. DOI: 10.1021/Jp013750J  0.351
2002 Biswas N, Abraham B, Umapathy S. Investigation of Short-Time Isomerization Dynamics inp-Nitroazobenzene from Resonance Raman Intensity Analysis The Journal of Physical Chemistry A. 106: 9397-9406. DOI: 10.1021/Jp0108162  0.437
2001 Puranik M, Umapathy S, Snijders JG, Chandrasekhar J. Structure of the triplet excited state of bromanil from time-resolved resonance Raman spectra and simulation Journal of Chemical Physics. 115: 6106-6114. DOI: 10.1063/1.1398304  0.734
2001 Kwok WM, Gould I, Ma C, Puranik M, Umapathy S, Matousek P, Parker AW, Phillips D, Toner WT, Towrie M. Vibrational studies of ground state 4-dimethylaminobenzonitrile (DMABN) and its ring deuterated isotopomer DMABN-d4 Physical Chemistry Chemical Physics. 3: 2424-2432. DOI: 10.1039/B101291F  0.717
2001 Puranik M, Chandrasekhar J, Snijders JG, Umapathy S. Time-resolved resonance Raman and density functional studies on the ground state and short-lived intermediates of tetrabromo-p-benzoquinone Journal of Physical Chemistry A. 105: 10562-10569. DOI: 10.1021/Jp0104987  0.735
2001 Balakrishnan G, Mohandas P, Umapathy S. Time Resolved Resonance Raman, Ab Initio Hartree−Fock, and Density Functional Theoretical Studies on the Transients States of Perfluoro-p-Benzoquinone The Journal of Physical Chemistry A. 105: 7778-7789. DOI: 10.1021/Jp003933Q  0.482
2001 Kwok WM, Ma C, Matousek P, Parker AW, Phillips D, Toner WT, Towrie M, Umapathy S. A Determination of the Structure of the Intramolecular Charge Transfer State of 4-Dimethylaminobenzonitrile (DMABN) by Time-Resolved Resonance Raman Spectroscopy The Journal of Physical Chemistry A. 105: 984-990. DOI: 10.1021/Jp003705W  0.439
2001 Puranik M, Chandrasekhar J, Umapathy S. Structure of the triplet excited state of tetrabromo-p-benzoquinone from time-resolved resonance Raman spectra and ab initio calculations Chemical Physics Letters. 337: 224-230. DOI: 10.1016/S0009-2614(01)00184-1  0.745
2001 Biswas N, Umapathy S. Study of solvent effects on the molecular structure and the reorganization energies of 4-nitro-4′-dimethylaminoazobenzene using resonance Raman intensities Journal of Raman Spectroscopy. 32: 471-480. DOI: 10.1002/Jrs.747  0.443
2000 Biswas N, Umapathy S. Structures, Vibrational Frequencies, and Normal Modes of Substituted Azo Dyes:  Infrared, Raman, and Density Functional Calculations The Journal of Physical Chemistry A. 104: 2734-2745. DOI: 10.1021/Jp9929263  0.397
2000 Anandhi R, Umapathy S. Intermolecular hydrogen abstraction from triplet excited state of decafluorobenzophenone: a Raman investigation Journal of Raman Spectroscopy. 31: 331-338. DOI: 10.1002/(Sici)1097-4555(200004)31:4<331::Aid-Jrs546>3.0.Co;2-0  0.475
1999 Anandhi R, Balakrishnan G, Mohandas P, Umapathy S. Structure-Reactivity Correlations of Excited States of Perfluorinated Compounds: A Time Resolved Raman Study Laser Chemistry. 19: 343-348. DOI: 10.1155/1999/68497  0.312
1999 Balakrishnan G, Umapathy S. Photogenerated radical intermediates of vitamin K1: A time-resolved resonance Raman study Journal of Molecular Structure. 475: 5-11. DOI: 10.1016/S0022-2860(98)00497-9  0.363
1998 Balakrishnan G, Babaei A, McQuillan AJ, Umapathy S. Resonance Raman and infrared spectral studies on radical anions of model photosynthetic reaction center quinones (naphthoquinone derivatives) Journal of Biomolecular Structure and Dynamics. 16: 123-131. PMID 9745901 DOI: 10.1080/07391102.1998.10508233  0.377
1998 Biswas N, Umapathy S. Partitioning of the total reorganization energy into its vibrational and solvent (inertial and reorientational) contributions using resonance Raman intensities Chemical Physics Letters. 294: 181-190. DOI: 10.1016/S0009-2614(98)00848-3  0.383
1998 Lednev IK, Ye TQ, Matousek P, Towrie M, Foggi P, Neuwahl FVR, Umapathy S, Hester RE, Moore JN. Femtosecond time-resolved UV-visible absorption spectroscopy of trans-azobenzene: Dependence on excitation wavelength Chemical Physics Letters. 290: 68-74. DOI: 10.1016/S0009-2614(98)00490-4  0.375
1998 Anandhi R, Umapathy S. Resonance Raman spectroscopic studies on the conducting state of polyvinylcarbazole and its model compounds Journal of Raman Spectroscopy. 29: 901-906. DOI: 10.1002/(Sici)1097-4555(199810/11)29:10/11<901::Aid-Jrs326>3.0.Co;2-5  0.403
1997 Biswas N, Umapathy S. Early time dynamics of trans-azobenzene isomerization in solution from resonance Raman intensity analysis The Journal of Chemical Physics. 107: 7849-7858. DOI: 10.1063/1.475097  0.421
1997 Biswas N, Umapathy S. Density Functional Calculations of Structures, Vibrational Frequencies, and Normal Modes oftrans- andcis-Azobenzene The Journal of Physical Chemistry A. 101: 5555-5566. DOI: 10.1021/Jp970312X  0.374
1997 Mohandas P, Umapathy S. Density-Functional Studies on the Structure and Vibrational Spectra of Transient Intermediates ofp-Benzoquinone The Journal of Physical Chemistry A. 101: 4449-4459. DOI: 10.1021/Jp9701597  0.419
1997 Babaei A, Connor PA, McQuillan AJ, Umapathy S. UV-visible spectrooelectrochemistry of the reduction products of anthraquinone in dimethylformamide solutions: an advanced undergraduate experiment Journal of Chemical Education. 74: 1200-1204. DOI: 10.1021/Ed074P1200  0.321
1997 Anandhi R, Rajesh CS, Das S, Umapathy S. Transient absorption studies on 3,6-dibromo polyvinylcarbazole and its model compounds Journal of Photochemistry and Photobiology a-Chemistry. 106: 135-139. DOI: 10.1016/S1010-6030(97)00050-6  0.336
1997 Balakrishnan G, Umapathy S. Intermolecular hydrogen atom abstraction from the fluoranil triplet excited state: a Raman study Chemical Physics Letters. 270: 557-563. DOI: 10.1016/S0009-2614(97)00391-6  0.469
1997 Biswas N, Umapathy S. Resonance de-enhancement in the 21Ag state of trans-azobenzene Pramana. 48: 937-950. DOI: 10.1007/Bf02845597  0.408
1996 Balakrishnan G, Mohandas P, Umapathy S. Time-Resolved Resonance Raman Spectroscopic Studies on the Radical Anions of Menaquinone and Naphthoquinone The Journal of Physical Chemistry. 100: 16472-16478. DOI: 10.1021/Jp960568N  0.406
1995 Biswas N, Umapathy S. Wavepacket dynamical studies on trans-azobenzene: absorption spectrum and resonance Raman excitation profiles of the n-π* transition Chemical Physics Letters. 236: 24-29. DOI: 10.1016/0009-2614(95)00210-U  0.419
1995 Biswas N, Umapathy S, Kalyanaraman C, Sathyamurthy N. Resonance raman intensity analysis of polyatomic molecules Journal of Chemical Sciences. 107: 233-244. DOI: 10.1007/Bf02869491  0.401
1994 Engert C, Deckert V, Kiefer W, Umapathy S, Hamaguchi H. Design and Performance Characteristics of a Near-Infrared Scanning Multichannel Raman Spectrometer Applied Spectroscopy. 48: 933-936. DOI: 10.1366/0003702944029695  0.342
1994 Engert C, Umapathy S, Kiefer W, Hamaguchi H. Dynamic structure of charge carrier in polyaniline by near-infrared excited resonance Raman spectroscopy Chemical Physics Letters. 218: 87-92. DOI: 10.1016/0009-2614(93)E1468-V  0.434
1993 Matousek P, Hester RE, Moore JN, Parker AW, Phillips D, Toner WT, Towrie M, Turcu ICE, Umapathy S. High repetition rate picosecond time-resolved resonance Raman spectroscopy apparatus Measurement Science and Technology. 4: 1090-1095. DOI: 10.1088/0957-0233/4/10/011  0.311
1992 Parker AW, Hester RE, Phillips D, Umapathy S. Time-resolved resonance Raman spectroscopic investigations of the photochemistry of ubiquinone Journal of the Chemical Society, Faraday Transactions. 88: 2649-2653. DOI: 10.1039/Ft9928802649  0.393
1990 Umapathy S, Cartner AM, Parker AW, Hester RE. Time-resolved resonance Raman spectroscopic studies of the photosensitization of colloidal titanium dioxide The Journal of Physical Chemistry. 94: 8880-8885. DOI: 10.1021/J100389A007  0.38
1990 Umapathy S, Hester R. Raman spectroscopic studies of polypryrrole on colloidal TiO2: Evidence for bipolarons Journal of Molecular Structure. 224: 113-119. DOI: 10.1016/0022-2860(90)87010-U  0.412
1990 Umapathy S, McQuillan A, Hester R. An in situ resonance Raman and infrared spectroscopic study of hexacyanoferrate (II) ion adsorbed to aqueous colloidal TiO2 Chemical Physics Letters. 170: 128-132. DOI: 10.1016/0009-2614(90)87103-X  0.309
1990 Umapathy S, Hester RE. Laser Raman spectroscopy of colloidal semiconductor photosensitizers Journal of Chemical Sciences. 102: 613-628. DOI: 10.1007/Bf03040789  0.358
1989 Umapathy S, Lee-Son G, Hester R. Raman spectroscopic studies of substituted bipyridines, their ruthenium(II) complexes and surface-derivatized TiO2 Journal of Molecular Structure. 194: 107-116. DOI: 10.1016/0022-2860(89)80074-2  0.349
1987 Umapathy S, Lee-Son G, Hester RE. Resonance Raman spectroscopic studies of surface-derivatized TiO2 Journal of the Chemical Society, Chemical Communications. 1841-1842. DOI: 10.1039/C39870001841  0.308
1980 Umapathy S, Kesavasamy K, Krishnamurthy N. Second order Raman spectrum of carbon disulphide in the condensed phase Journal of Raman Spectroscopy. 9: 144-149. DOI: 10.1002/Jrs.1250090303  0.339
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