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Number of items: 218. Bhatt, Rajeev ; Ganesamoorthy, S. ; Bhaumik, Indranil ; Karnal, A. K. ; Gupta, P. K. (2012) Optical band gap and electrical conductivity studies on near stoichiometric LiNbO3 crystals prepared by VTE process Journal of Physics and Chemistry of Solids, 73 (2). pp. 257-261. ISSN 0022-3697 Reddi, R. S. B. ; Ganesamoorthy, S. ; Gupta, P. K. ; Rai, R. N. (2012) Phase equilibria, crystallization thermal and microstructural studies on organic monotectic analog of nonmetal-nonmetal system: urea-4-bromo-2-nitroaniline Fluid Phase Equilibria, 313 . pp. 121-126. ISSN 0378-3812 Anandha Babu, G. ; Subramaniyan Raja, R. ; Karunagaran, N. ; Perumal Ramasamy, R. ; Ramasamy, P. ; Ganesamoorthy, S. ; Gupta, P. K. (2012) Growth improvement of AgGaSe2 crystal using the vertical Bridgman technique with steady ampoule rotation and its characterization Journal of Crystal Growth, 338 (1). pp. 42-46. ISSN 0022-0248 Selvamani, R. ; Singh, G. ; Tiwari, V. S. ; Gupta, P. K. (2012) Oxygen vacancy related relaxation and conduction behavior in (1-x) NBT-xBiCrO3 solid solution Physica Status Solidi A, 209 (1). pp. 118-125. ISSN 0031-8965 Bhatt, R. ; Bhaumik, I. ; Ganesamoorthy, S. ; Karnal, A. K. ; Swami, M. K. ; Patel, H. S. ; Gupta, P. K. (2012) Urbach tail and bandgap analysis in near stoichiometric LiNbO3 crystals Physica Status Solidi A, 209 (1). pp. 176-180. ISSN 0031-8965 Satapathy, S. ; Singh, M. K. ; Pandit, Pragya ; Gupta, P. K. (2012) Relaxor ferroelectric behavior of BaMnO3 (2H) at room temperature Applied Physics Letters, 100 (4). 042904-042907. ISSN 0003-6951 Sharma, P. ; Verma, Y. ; Rao, K. D. ; Gupta, P. K. (2011) Single mode fiber based polarization sensitive optical coherence tomography using a swept laser source Journal of Optics, 13 (11). p. 115301. ISSN 0150-536X Rajesh Kannan, M. R. ; Tata, B. V. R. ; Dasgupta, R. ; Ahlawat, S. ; Gupta, P. K. (2011) Optical trapping of thermo-responsive microgel particles by Holographic optical tweezers AIP Conference Proceedings, 1391 . pp. 359-362. ISSN 1551-7616 Tarafder, Anal ; Annapurna, Kalyandurg ; Chaliha, Reenamoni Saikia ; Karmakar, Basudeb ; Tiwari, Vidya Sagar ; Gupta, Pradeep Kumar (2011) Effects of nano-LiTaO3 crystallization on the dielectric and optical properties in Er3+-doped Li2O-Ta2O5-SiO2-Al2O3 glasses International Journal of Applied Ceramic Technology, 8 (5). pp. 1031-1041. ISSN 1546-542X Uppal, Abha ; Jain, Beena ; Gupta, Pradeep Kumar ; Das, Kaustuv (2011) Photodynamic action of Rose Bengal Silica nanoparticle complex on breast and oral cancer cell lines Photochemistry and Photobiology, 87 (5). pp. 1146-1151. ISSN 0031-8655 Saini, R. K. ; Srivastava, A. K. ; Gupta, P. K. ; Das, K. (2011) pH Dependent reversible aggregation of Chitosan and glycol-Chitosan stabilized silver nanoparticles Chemical Physics Letters, 511 (4-6). pp. 326-330. ISSN 0009-2614 Pandit, Pragya ; Satapathy, S. ; Gupta, P. K. (2011) Effect of La substitution on conductivity and dielectric properties of Bi1-x Lax FeO3 ceramics: an impedance spectroscopy analysis Physica B: Condensed Matter, 406 (13). pp. 2669-2677. ISSN 0921-4526 Dasgupta, Raktim ; Verma, Ravi Shanker ; Ahlawat, Sunita ; Uppal, Abha ; Gupta, Pradeep Kumar (2011) Studies on erythrocytes in malaria infected blood sample with Raman optical tweezers Journal of Biomedical Optics, 16 (7). 077009-077009. ISSN 1083-3668 Satapathy, S. ; Pawar, Santosh ; Gupta, P. K. ; Varma, K. B. R. (2011) Effect of annealing on the phase transition in poly (vinylidene fluoride) films prepared using polar solvent Bulletin of Materials Science, 34 (4). pp. 727-733. ISSN 0250-4707 Dube, Alok ; Sharma, Sulbha ; Gupta, P. K. (2011) Tumor regression induced by photodynamic treatment with chlorin p6 in hamster cheek pouch model of oral carcinogenesis: dependence of mode of tumor cell death on the applied drug dose Oral Oncology, 47 (6). pp. 467-471. ISSN 1368-8375 Rai, R. N. ; Mudunuri, S. R. ; Reddi, R. S. B. ; Kumar Satuluri, V. S. A. ; Ganeshmoorthy, S. ; Gupta, P. K. (2011) Crystal growth and nonlinear optical studies of m-dinitrobenzene doped urea Journal of Crystal Growth, 321 (1). pp. 72-77. ISSN 0022-0248 Singh, Gurvinderjit ; Tiwari, V. S. ; Tiwari, Pragya ; Srivastava, A. K. ; Gupta, P. K. (2011) Effect of oxidant-to-fuel ratios on phase formation of PLZT powder: prepared by gel-combustion Journal of Alloys and Compounds, 509 (10). pp. 4127-4131. ISSN 0925-8388 Bhatt, R. ; Ganesamoorthy, S. ; Bhaumik, Indranil ; Karnal, A. K. ; Bhagavannarayana, G. ; Gupta, P. K. (2011) Effect of annealing in Li-rich ambient on the optical absorption and crystallinity of Er doped LiNbO3 crystals Journal of Optoelectronics and Advanced Materials, 13 (3). 245 - 250. ISSN 1454-4164 Srivastava, A. ; Verma, Y. ; Rao, K. D. ; Gupta, P. K. (2011) Determination of elastic properties of resected human breast tissue samples using optical coherence tomographic elastography Strain, 47 (1). pp. 75-87. ISSN 0039-2103 Selvamani, Rachna ; Singh, Gurvinderjit ; Sathe, Vasant ; Tiwari, V. S. ; Gupta, P. K. (2011) Dielectric, structural and Raman studies on (Na0.5Bi0.5TiO3)(1-x)(BiCrO3)x ceramic Journal of Physics: Condensed Matter, 23 (5). 055901- 055901. ISSN 0953-8984 Satapathy, S. ; Verma, Prabha ; Gupta, P. K. ; Mukherjee, Chandrachur ; Sathe, V. G. ; Varma, K. B. R. (2011) Structural, dielectric and ferroelectric properties of multilayer lithium tantalate thin films prepared by sol-gel technique Thin Solid Films, 519 (6). pp. 1803-1808. ISSN 0040-6090 Bhattacharjee, M. ; Ashok, P. C. ; Divakar Rao, K. ; Majumder, S. K. ; Verma, Y. ; Gupta, P. K. (2011) Binary tissue classification studies on resected human breast tissues using optical coherence tomography images Journal of Innovative Optical Health Sciences (JIOHS), 4 (1). pp. 59-66. ISSN 1793-5458 Parihar, Arpana ; Dube, Alok ; Gupta, P. K. (2011) Conjugation of chlorin p6 to histamine enhances its cellular uptake and phototoxicity in oral cancer cells Cancer Chemotherapy and Pharmacology, 68 (2). pp. 359-369. ISSN 0344-5704 Verma, Y. ; Gautam, M. ; Divakar Rao, K. ; Swami, M. K. ; Gupta, P. K. (2011) Imaging of human breast tissue using polarization sensitive optical coherence tomography Laser Physics, 21 (12). pp. 2143-2148. ISSN 1054-660X Dasgupta, Raktim ; Verma, Ravi Shanker ; Ahlawat, Sunita ; Chaturvedi, Deepa ; Gupta, Pradeep Kumar (2011) Long distance axial trapping with Laguerre-Gaussian beams Applied Optics, 50 (10). pp. 1469-1476. ISSN 0003-6935 Ahlawat, Sunita ; Verma, Ravi Shanker ; Dasgupta, Raktim ; Gupta, Pradeep Kumar (2011) Long-distance optical guiding of colloidal particles using holographic axilens Applied Optics, 50 (13). pp. 1933-1940. ISSN 0003-6935 Dasgupta, Raktim ; Ahlawat, Sunita ; Verma, Ravi Shankar ; Gupta, Pradeep Kumar (2011) Optical orientation and rotation of trapped red blood cells with Laguerre-Gaussian mode Optics Express, 19 (8). pp. 7680-7688. ISSN 1094-4087 Tarafder, Anal ; Annapurna, Kalyandurg ; Chaliha, Reenamoni Saikia ; Satapathy, Srinibal ; Tiwari, Vidya Sagar ; Gupta, Pradeep Kumar ; Karmakar, Basudeb (2011) Second harmonic generation in ferroelectric LiTaO3 and KNbO3 containing bulk nano glass-ceramics Journal of Nonlinear Optical Physics and Materials, 20 (1). pp. 49-61. ISSN 0218-8635 Pandit, Pragya ; Satapathy, S. ; Sharma, Poorva ; Gupta, P. K. ; Yusuf, S. M. ; Sathe, V. G. (2011) Structural, dielectric and multiferroic properties of Er and La substituted BiFeO3 ceramics Bulletin of Materials Science, 34 (4). pp. 899-905. ISSN 0250-4707 Chaliha, Reenamoni Saikia ; Tiwari, V. S. ; Gupta, P. K. ; Annapurna, K. ; Tarafder, Anal ; Karmakar, Basudeb (2011) Structure and dielectric properties of potassium niobate nano glass-ceramics Journal of Materials Science: Materials in Electronics, 22 (7). pp. 728-734. ISSN 0957-4522 Bhaumik, Indranil ; Bhatt, R. ; Ganesamoorthy, S. ; Saxena, A. ; Karnal, A. K. ; Gupta, P. K. ; Sinha, A. K. ; Deb, S. K. (2011) Temperature-dependent index of refraction of monoclinic Ga2O3 single crystal Applied Optics, 50 (31). pp. 6006-6010. ISSN 0003-6935 Verma, Yogesh ; Nandi, Purnananda ; Divakar Rao, K. ; Sharma, Mrinalini ; Gupta, Pradeep Kumar (2011) Use of common path phase sensitive spectral domain optical coherence tomography for refractive index measurements Applied Optics, 50 (25). E7-E12. ISSN 0003-6935 Dasgupta, Raktim ; Ahlawat, Sunita ; Verma, Ravi Shanker ; Shukla, Sunita ; Gupta, Pradeep Kumar (2010) Optical trapping of spermatozoa using Laguerre-Gaussian laser modes Journal of Biomedical Optics, 15 (6). 065010-065010. ISSN 1083-3668 Sahu, K. ; Verma, Y. ; Sharma, M. ; Rao, K. D. ; Gupta, P. K. (2010) Non-invasive assessment of healing of bacteria infected and uninfected wounds using optical coherence tomography Skin Research and Technology, 16 (4). pp. 428-437. ISSN 0909-752X Gupta, Pooja ; Sinha, A. K. ; Modi, M. H. ; Gupta, S. M. ; Gupta, P. K. ; Deb, S. K. (2010) Resonant soft X-ray reflectivity as a sensitive probe to investigate polished zinc sulphide surface Applied Surface Science, 257 (1). pp. 210-214. ISSN 0169-4332 Dasgupta, Raktim ; Ahlawat, Sunita ; Verma, Ravi Shanker ; Uppal, Abha ; Gupta, Pradeep Kumar (2010) Hemoglobin degradation in human erythrocytes with long-duration near-infrared laser exposure in Raman optical tweezers Journal of Biomedical Optics, 15 (5). 055009-055009. ISSN 1083-3668 Beena, Jain ; Srivastava, Arvind Kumar ; Uppal, Abha ; Gupta, Pradeep Kumar ; Das, Kaustuv (2010) NIR femtosecond laser induced hyper-Rayleigh scattering and luminescence from silver nanoprisms Journal of Nanoscience and Nanotechnology, 10 (9). pp. 5826-5830. ISSN 2078-0338 Gupta, P. K. ; Majumder, S. K. ; Dasgupta, R. (2010) Raman spectroscopy for biomedical diagnosis American Institute of Physics Conference Proceedings, 1267 . pp. 135-136. ISSN 0094-243X Tarafder, Anal ; Annapurna, Kalyandurg ; Chaliha, Reenamoni Saikia ; Tiwari, Vidya Sagar ; Gupta, Pradeep Kumar ; Karmakar, Basudeb (2010) Structure, dielectric and optical properties of Nd3+-doped LiTaO3 transparent ferroelectric glass-ceramic nanocomposites Journal of Alloys and Compounds, 489 (1). pp. 281-288. ISSN 0925-8388 Chaliha, Reenamoni Saikia ; Annapurna, K. ; Tarafder, Anal ; Tiwari, V. S. ; Gupta, P. K. ; Karmakar, Basudeb (2010) Structure, dielectric and optical properties of transparent Nd3+: KNbO3 nanocrystalline glass-ceramics Optical Materials, 32 (9). pp. 1202-1209. ISSN 0925-3467 Verma, R. S. ; Swami, M. K. ; Manhas, S. S. ; Gupta, P. K. (2010) Mueller matrix-based optimization of reflective type twisted nematic liquid crystal SLM at oblique incidences Optics Communications, 283 (12). pp. 2580-2587. ISSN 0030-4018 Jain, B. ; Uppal, A. ; Gupta, P. K. ; Das, K. (2010) Interaction of ANS and TNS with organically modified silica nanoparticles in aqueous media Advanced Science Letters, 3 (2). pp. 225-230. ISSN 1936-6612 Swami, Mahesh Kumar ; Manhas, Sandeep ; Patel, Harishankar ; Gupta, Pradeep Kumar (2010) Mueller matrix measurements on absorbing turbid medium Applied Optics, 49 (18). pp. 3458-3464. ISSN 0003-6935 Singh, Rashmi ; Khardekar, R. K. ; Kohli, D. K. ; Singh, M. K. ; Srivastava, Himanshu ; Gupta, P. K. (2010) Synthesis of platinum nanoparticles on carbon aerogel by ambient pressure drying method Materials Letters, 64 (7). pp. 843-845. ISSN 0167-577X Dinakaran, S. ; Verma, Sunil ; Jerome Das, S. ; Kar, S. ; Bartwal, K. S. ; Gupta, P. K. (2010) Investigation for obtaining enhanced SHG element of KH2PO4 crystal Physica B: Condensed Matter, 405 (7). pp. 1809-1812. ISSN 0921-4526 Singh, Gurvinderjit ; Tiwari, V. S. ; Gupta, P. K. (2010) Role of oxygen vacancies on relaxation and conduction behavior of KNbO3 ceramic Journal of Applied Physics, 107 (6). 064103-064109 . ISSN 0021-8979 Chaliha, Reenamoni Saikia ; Annapurna, K. ; Tarafder, Anal ; Tiwari, V. S. ; Gupta, P. K. ; Karmakar, Basudeb (2010) Optical and dielectric properties of isothermally crystallized nano-KNbO3 in Er3+ - doped K2O-Nb2O5-SiO2 glasses Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 75 (1). pp. 243-250. ISSN 1386-1425 Shukla, S. ; Sahu, K. ; Verma, Y. ; Rao, K. D. ; Dube, A. ; Gupta, P. K. (2010) Effect of helium-neon laser irradiation on hair follicle growth cycle of Swiss Albino mice Skin Pharmacology and Physiology, 23 (2). pp. 79-85. ISSN 1660-5527 Chaturvedi, Pankaj ; Majumder, Shovan K. ; Krishna, Hemant ; Muttagi, Sidramesh ; Gupta, Pradeep K. (2010) Fluorescence spectroscopy for noninvasive early diagnosis of oral mucosal malignant and potentially malignant lesions Journal of Cancer Research and Therapeutics, 6 (4). pp. 497-502. ISSN 0973-1482 Singh, Gurvinderjit ; Tiwari, V. S. ; Gupta, P. K. (2010) Oxygen-vacancy-related dielectric relaxation and electric conduction in KNbO3 ceramic Integrated Ferroelectrics, 117 (1). pp. 1-10. ISSN 1058-4587 Bajpai, Ashok ; Jain, Nageen Kumar ; Avashia, Sanjay ; Gupta, P. K. (2010) Randomized, double-blind study on role of low level nitrogen laser therapy in treatment failure tubercular lymphadenopathy,sinuses and cold abscess Indian Journal of Tuberculosis, 57 . pp. 80-86. ISSN 0019-5707 Jain, N. K. ; Bajpai, A. ; Avashia, S. ; Gupta, P. K. (2010) Role of low-level nitrogen laser therapy in tubercular cold abscess not responding to surgery & chemotherapy SAARC Journal of Tuberculosis, Lung Diseases and HIV/AIDS, 7 (2). pp. 26-29. ISSN 1818-9741 Singh, Gurvinderjit ; Tiwari, V. S. ; Sharma, T. K. ; Gupta, P. K. (2010) Temperature dependence photo-luminescence of Nd3+ doped PLZT ceramic Journal of Electroceramics, 25 (1). pp. 89-92. ISSN 1385-3449 Majumder, S. K. ; Krishna, H. ; Gupta, P. K. ; Sidramesh, M. ; Chaturvedi, P. (2010) A comparative evaluation of Raman and fluorescence spectroscopy for optical diagnosis of oral neoplasia Proceedings of the SPIE, 8173 . 817306_1-817306_7. ISSN 0277-786X Pandit, Pragya ; Satapathy, S. ; Gupta, P. K. ; Sathe, V. G. (2009) Effect of coalesce doping of Nd and La on structure, dielectric, and magnetic properties of BiFeO3 Journal of Applied Physics, 106 (11). pp. 114105-114107. ISSN 0021-8979 Manhas, Sandeep ; Swami, Mahesh K. ; Patel, Hari S. ; Uppal, Abha ; Ghosh, Nirmalya ; Gupta, Pradeep K. (2009) Polarized diffuse reflectance measurements on cancerous and noncancerous tissues Journal of Biophotonics, 2 (10). pp. 581-587. ISSN 1864-063X Das, K. ; Uppal, A. ; Jain, B. ; Bose, B. ; Gupta, P. K. (2009) Light induced toxicity of merocyanine 540-silica nanoparticle complex Journal of Nanoscience and Nanotechnology, 9 (9). pp. 5642-5645. ISSN 1533-4880 Tarafder, Anal ; Annapurna, Kalyandurg ; Chaliha, Reenamoni Saikia ; Tiwari, Vidya Sagar ; Gupta, Pradeep Kumar ; Karmakar, Basudeb (2009) Processing and properties of Eu3+: LiTaO3 transparent glass-ceramic nanocomposites Journal of the American Ceramic Society, 92 (9). pp. 1934-1939. ISSN 0002-7820 Chaliha, Reenamoni Saikia ; Annapurna, K. ; Tarafder, Anal ; Tiwari, V. S. ; Gupta, P. K. ; Karmakar, Basudeb (2009) Luminescence and dielectric properties of nano-structured Eu3+: K2O-Nb2O5-SiO2 glass-ceramics Solid State Sciences, 11 (8). pp. 1325-1332. ISSN 1293-2558 Jain, Beena ; Uppal, Abha ; Gupta, Pradeep K. ; Das, Kaustuv (2009) Spectroscopic investigations on the binding of the photosensitizer chlorin p6 with amine-modified silica nanoparticles in aqueous media Photochemistry and Photobiology, 85 (4). pp. 927-933. ISSN 0031-8655 Sahu, Khageswar ; Bansal, Harsha ; Mukherjee, Chandrachur ; Sharma, Mrinalini ; Gupta, Pradeep Kumar (2009) Atomic force microscopic study on morphological alterations induced by photodynamic action of Toluidine Blue O in Staphylococcus aureus and Escherichia coli Journal of Photochemistry and Photobiology B: Biology, 96 (1). pp. 9-16. ISSN 1011-1344 Begum, Gulnaz ; Dube, Alok ; Joshi, Preeti G. ; Gupta, Pradeep K. ; Joshi, Nanda B. (2009) Chlorin p6 preferentially localizes in endoplasmic reticulum and Golgi apparatus and inhibits Ca2+ release from intracellular store Journal of Photochemistry and Photobiology B: Biology, 95 (3). pp. 177-184. ISSN 1011-1344 Divakar Rao, K. ; Alex, Aneesh ; Verma, Yogesh ; Thampi, Sreeja ; Gupta, Pradeep K. (2009) Real-time in vivo imaging of adult Zebrafish brain using optical coherence tomography Journal of Biophotonics, 2 (5). pp. 288-291. ISSN 1864-063X Sahu, Khageswar ; Mohanty, Samarendra Kumar ; Gupta, Pradeep Kumar (2009) He-Ne laser (632.8 nm) pre-irradiation gives protection against DNA damage induced by a near-infrared trapping beam Journal of Biophotonics, 2 (3). pp. 140-144. ISSN 1864-063X Tarafder, Anal ; Annapurna, K. ; Chaliha, Reenamoni Saikia ; Tiwari, V. S. ; Gupta, P. K. ; Karmakar, Basudeb (2009) Nanostructuring and fluorescence properties of Eu3+:LiTaO3 in Li2O-Ta2O5-SiO2-Al2O3 glass-ceramics Journal of Materials Science Letters, 44 (16). pp. 4495-4498. ISSN 0261-8028 Verma, Y. ; Divakar Rao, K. ; Gupta, P. K. (2008) In-vivo imaging of adult zebrafish using optical coherence tomography Proceedings of SPIE, 7139 . 71390H_1-71390H_6. ISSN 0277-786X Mohanty, S. K. ; Uppal, A. ; Gupta, P. K. (2008) Optofluidic stretching of RBCs using single optical tweezers Journal of Biophotonics, 1 (6). pp. 522-525. ISSN 1864-063X Satapathy, S. ; Soni, Puja ; Gupta, P. K. ; Dubey, V. K. ; Varma, K. B. R. (2008) Design and fabrication of dual mode pyroelectric sensor: high sensitive energymeter for Nd:YAG laser and detector for chopped He-Ne laser Sensors & Transducers Journal, 92 (5). pp. 61-68. ISSN 1726-5479 Satapathy, S. ; Gupta, P. K. ; Wadhawan, V. K. (2008) The influence of a ferroelectric domain wall on the fabrication of a pyroelectric laser energymeter Crystal Research and Technology, 43 (4). pp. 390-395. ISSN 0232-1300 Kohli, D. K. ; Khardekr, R. K. ; Singh, Rashmi ; Gupta, P. K. (2008) Glass micro-container based hydrogen storage scheme International Journal of Hydrogen Energy, 33 (1). pp. 417-422. ISSN 0360-3199 Sharma, Mrinalini ; Visai, Livia ; Bragheri, Francesca ; Cristiani, Ilaria ; Gupta, Pradeep Kumar ; Speziale, Pietro (2008) Toluidine blue-mediated photodynamic effects on staphylococcal biofilms Antimicrobial Agents and Chemotherapy, 52 (1). pp. 299-305. ISSN 0066-4804 Indranil, Bhaumik ; Ganesamoorthy, S. ; Bhatt, R. ; Karnal, A. K. ; Wadhawan, V. K. ; Gupta, P. K. ; Kitamura, K. ; Takekawa, S. ; Nakamura, M. (2008) The ferroelectric phase transition in lithium tantalate single crystals: a composition-dependence study Journal of Applied Physics, 103 (1). 014108-014108. ISSN 0021-8979 Bhaumik, Indranil ; Ganesamoorthy, S. ; Bhatt, R. ; Karnal, A. K. ; Wadhawan, V. K. ; Gupta, P. K. ; Kumaragurubaran, S. ; Kitamura, K. ; Takekawa, S. ; Nakamura, M. (2008) Dielectric and ac conductivity studies on undoped and MgO-doped near-stoichiometric lithium tantalate crystals Journal of Applied Physics, 103 (7). 074106_1-074106_6. ISSN 0021-8979 Sum, CheePeng ; Kishen, Anil ; Mohanty, Samarendra ; Gupta, P. K. (2008) Influence of endodontic chemical treatment on Enterococcus faecalis adherence to collagen studied with laser scanning confocal microscopy and optical tweezers: a preliminary study Journal of Biomedical Optics, 13 (4). No pp. given. ISSN 1083-3668 Ahlawat, S. ; Dasgupta, R. ; Gupta, P. K. (2008) Optical trapping near a colloidal cluster formed by a weakly focused laser beam Journal of Physics D: Applied Physics, 41 (10). 105107_1-105107_5. ISSN 0022-3727 Satapathy, S. ; Kumar, Shailendra ; Raja Sekhar, B. N. ; Sathe, V. G. ; Gupta, P. K. (2008) Resonant Raman of O-H/O-D vibrations and photoluminescence studies in LiTaO3 thin film Journal of Applied Physics, 104 (3). 033542 _1-033542 _5. ISSN 0021-8979 Mohanty, Samarendra K. ; Divakar Rao, K. ; Gupta, Pradeep K. (2008) Surface-plasmon-resonance enhancement: effects on optical trapping and manipulation of nano-objects Journal of Nanophotonics, 2 (1). No pp. given. ISSN 1476-0576 Ganesamoorthy, S. ; Bhaumik, Indranil ; Bhatt, R. ; Karnal, A. K. ; Gupta, P. K. ; Kumaragurubaran, S. ; Mohankumar, R. ; Kitamura, Kenji ; Takekawa, Shunji ; Nakamura, Masaru (2008) A comparative study of dielectric relaxation in Sr0.61Ba0.39Nb2O6 and Sr0.75Ba0.25Nb2O6 single crystals Japanese Journal of Applied Physics, 47 . pp. 1012-1015. ISSN 0021-4922 Mohanty, Samarendra K. ; Gupta, Pradeep K. ; Verma, Ravi S. (2007) Self-rotation of an assembly of two or more cylindrical objects in optical tweezers: a simple approach for realization of optically driven micromotors Current Science, 93 (5). pp. 695-698. ISSN 0011-3891 Satapathy, S. ; Gupta, P. K. ; Srivastava, Himanshu ; Srivastava, A. K. ; Wadhawan, V. K. ; Varma, K. B. R. ; Sathe, V. G. (2007) Effect of capping ligands on the synthesis and on the physical properties of the nanoparticle of LiTaO3 Journal of Crystal Growth, 307 (1). pp. 185-191. ISSN 0022-0248 Verma, Y. ; Divakar Rao, K. ; Mohanty, S. K. ; Gupta, P. K. (2007) Optical coherence tomography using a tapered single mode fiber tip Laser Physics Letters, 4 (9). pp. 686-689. ISSN 1612-2011 Srivastava, Atul ; Patel, H. S. ; Gupta, P. K. (2007) A view-based approach for the reconstruction of optical properties of turbid media Current Science, 93 (3). pp. 359-365. ISSN 0011-3891 Mohanty, Samarendra K. ; Gupta, Pradeep K. (2007) Aberrated optical tweezers for manipulation of microscopic objects Proceedings of SPIE, 6441 . 64411O-64411O. ISSN 0277-786X Verma, Y. ; Divakar Rao, K. ; Mohanty, S. K. ; Gupta, P. K. (2007) Tapered single mode fiber tip for high lateral resolution imaging in optical coherence tomography Proceedings of SPIE, 6436 . 64360Y-64360Y. ISSN 0277-786X Majumder, Shovan K. ; Ghosh, Nirmalya ; Gupta, Pradeep K. ; Rathod, Sopan M. (2007) Autofluorescence spectroscopy for early diagnosis of cancer eye Proceedings of SPIE, 6430 . 64301K-64301K. ISSN 0277-786X Sharma, M. ; Verma, Y. ; Rao, K. D. ; Nair, R. ; Gupta, P. K. (2007) Imaging growth dynamics of tumour spheroids using optical coherence tomography Biotechnology Letters, 29 (2). pp. 273-278. ISSN 0141-5492 Peng, Sum Chee ; Kishen, Anil ; Mohanty, Samarendra ; Gupta, P. K. (2007) Laser scanning confocal microscopy and laser tweezers based experiments to understand dentine-bacteria interactions Proceedings of SPIE, 6425 . 642504 -642504. ISSN 0277-786X Verma, Y. ; Rao, K. D. ; Suresh, M. K. ; Patel, H. S. ; Gupta, P. K. (2007) Measurement of gradient refractive index profile of crystalline lens of fisheye in vivo using optical coherence tomography Applied Physics B: Lasers and Optics, 87 (4). pp. 607-610. ISSN 0946-2171 Ahlawat, S. ; Dasgupta, R. ; Gupta, P. K. (2007) Optical trapping near a charged surface: three-dimensional optical binding of colloids Proceedings of SPIE, 6535 . 65350W-65350W. ISSN 0277-786X Mohanty, S. K. ; Verma, R. S. ; Gupta, P. K. (2007) Trapping and controlled rotation of low-refractive-index particles using dual line optical tweezers Applied Physics B: Lasers and Optics, 87 (2). pp. 211-215. ISSN 0946-2171 Dasgupta, R. ; Ahlawat, S. ; Gupta, P. K. (2007) Trapping of micron-sized objects at a liquid-air interface Journal of Optics A: Pure & Applied Optics, 9 (8). S189-S195. ISSN 1464-4258 Karnal, A. K. ; Saxena, A. ; Ganesamoorthy, S. ; Bhaumik, Indranil ; Wadhawanb, V. K. ; Bhat, H. L. ; Gupta, P. K. (2006) Nucleation-trap crystallizer for growth of crystals from solutions Journal of Crystal Growth, 297 (1). pp. 152-156. ISSN 0022-0248 Majumder, S. K. ; Gupta, A. ; Gupta, S. ; Ghosh, N. ; Gupta, P. K. (2006) Multi-class classification algorithm for optical diagnosis of oral cancer Journal of Photochemistry and Photobiology B: Biology, 85 (2). pp. 109-117. ISSN 1011-1344 Bajpai, Ashok ; Bhargava, Salil ; Gupta, P. K. ; Jain, Nageen Kumar (2006) A study of low level nitrogen laser therapy in the treatment of non-responding tubercular lymphadenopathy and sinuses Indian Journal of Tuberculosis, 53 (4). pp. 229-231. ISSN 0019-5707 Jain, B. ; Dube, A. ; Das, K. ; Gupta, P. K. (2006) pH Dependent binding of chlorin-p6 with phosphatidyl choline liposomes: comparison between one and two-photon excited fluorescence Chemical Physics Letters, 426 (1-3). pp. 163-167. ISSN 0009-2614 Bajpai, Ashok ; Bhargava, Salil ; Jain, Nageen Kumar ; Gupta, P. K. (2006) Role of low level Nitrogen laser therapy in chronic drug resistant pulmonary tuberculosis Indian Journal of Tuberculosis, 53 (3). pp. 135-140. ISSN 0019-5707 Das, K. ; Uppal, A. ; Gupta, P. K. (2006) Hyper-Rayleigh scattering and continuum generation of salt induced aggregates of Silver nanoparticles: the effect of cation size (Li+, Na+ and K+) Chemical Physics Letters, 426 (1-3). pp. 155-158. ISSN 0009-2614 Divakar Rao, K. ; Verma, Y. ; Patel, H. S. ; Gupta, P. K. (2006) Non-invasive ophthalmic imaging of adult zebrafish eye using optical coherence tomography Current Science, 90 (11). pp. 1506-1510. ISSN 0011-3891 Ghosh, Nirmalya ; Gupta, Pradeep Kumar ; Pradhan, Asima ; Majumder, Shovan Kumar (2006) Anomalous behavior of depolarization of light in a turbid medium Physics Letters A, 354 (3). pp. 236-242. ISSN 0375-9601 Mukhopadhyay, P. K. ; Sharma, S. K. ; Ranganathan, K. ; Gupta, P. K. ; Nathan, T. P. S. (2006) Efficient and high-power intracavity frequency doubled diode-side-pumped Nd: YAG/KTP continuous wave (CW) green laser Optics Communications, 259 (2). pp. 805-811. ISSN 0030-4018 Ghosh, N. ; Buddhiwant, P. ; Uppal, A. ; Majumder, S. K. ; Patel, H. S. ; Gupta, P. K. (2006) Simultaneous determination of size and refractive index of red blood cells by light scattering measurements Applied Physics Letters, 88 (8). 084101_1-084101_3. ISSN 0003-6951 Dasgupta, R. ; Gupta, P. K. (2006) Experimental observation of spin-independent transverse shift of the centre of gravity of a reflected Laguerre-Gaussian light beam Optics Communications, 257 (1). pp. 91-96. ISSN 0030-4018 Dube, Alok ; Sharma, Sulbha ; Gupta, Pradeep Kumar (2006) Evaluation of chlorin p6 for photodynamic treatment of squamous cell carcinoma in the hamster cheek pouch model Oral Oncology, 42 (1). pp. 76-81. ISSN 1368-8375 Mohanty, Samarendra Kumar ; Sharma, Mrinalini ; Gupta, Pradeep Kumar (2006) Generation of ROS in cells on exposure to CW and pulsed near-infrared laser tweezers Photochemical & Photobiological Sciences, 5 (1). pp. 134-139. ISSN 1474-905X Ghosh, N. ; Uppal, A. ; Majumder, S. K. ; Gupta, P. K. (2006) Monitoring of UVA induced apoptosis in MCF-7 cells by light scattering measurements Proceedings of SPIE, 6163 . 616314_1-616314_7. ISSN 0277-786X Manhas, S. ; Swami, M. K. ; Buddhiwant, P. ; Ghosh, N. ; Gupta, P. K. ; Singh, J. (2006) Mueller matrix approach for determination of optical rotation in chiral turbid media in backscattering geometry Optics Express, 14 (1). pp. 190-202. ISSN 1094-4087 Khan, Manas ; Sood, A. K. ; Mohanty, S. K. ; Gupta, P. K. ; Arabale, Girish V. ; Vijaymohanan, K. ; Rao, C. N. R. (2006) Optical trapping and transportation of carbon nanotubes made easy by decorating with palladium Optics Express, 14 (4). pp. 424-429. ISSN 1094-4087 Sharma, Sulbha ; Dube, Alok ; Bose, Biplab ; Gupta, Pradeep K. (2006) Pharmacokinetics and phototoxicity of purpurin-18 in human colon carcinoma cells using liposomes as delivery vehicles Cancer Chemotherapy and Pharmacology, 57 (4). pp. 500-506. ISSN 0344-5704 Swami, M. K. ; Manhas, S. ; Buddhiwant, P. ; Ghosh, N. ; Uppal, A. ; Gupta, P. K. (2006) Polar decomposition of 3 × 3 Mueller matrix: a tool for quantitative tissue polarimetry Optics Express, 14 (20). pp. 9324-9337. ISSN 1094-4087 Mohanty, Samarendra ; Gupta, Pradeep ; Mohanty, Khyati (2006) RBCs under optical tweezers as cellular motors and rockers: microfluidic applications Proceedings of SPIE, 6326 . 63262E-63262E. ISSN 0277-786X Mukhopadhyay, P. K. ; Ranganathan, K. ; Sharma, S. K. ; Gupta, P. K. ; Nathan, T. P. S. (2005) Experimental study of simultaneous end-pumping to a diode-side-pumped intracavity frequency doubled Q-switched Nd: YAG laser Optics Communications, 256 (1-3). pp. 139-148. ISSN 0030-4018 Mohanty, Samarendra Kumar ; Sharma, Mrinalini ; Panicker, Mitradas ; Gupta, Pradeep Kumar (2005) Transport of microscopic objects using line optical tweezers: manipulation of neuronal growth cones Optics & Photonics News . p. 19. ISSN 1047-6938 Sharma, Mrinalini ; Sahu, Khageswar ; Dube, Alok ; Gupta, Pradeep Kumar (2005) Extracellular pH influences the mode of cell death in human colon adenocarcinoma cells subjected to photodynamic treatment with chlorin p6 Journal of Photochemistry and Photobiology B: Biology, 81 (2). pp. 107-113. ISSN 1011-1344 Majumder, S. K. ; Ghosh, N. ; Gupta, P. K. (2005) N2 laser excited autofluorescence spectroscopy of formalin-fixed human breast tissue Journal of Photochemistry and Photobiology B: Biology, 81 (1). pp. 33-42. ISSN 1011-1344 Das, K. ; Jain, B. ; Gupta, P. K. (2005) Photophysics of Coumarin 500 and Coumarin 151 in AOT reverse micelles Chemical Physics Letters, 410 (1-3). pp. 160-164. ISSN 0009-2614 Majumder, S. K. ; Ghosh, N. ; Gupta, P. K. (2005) Support vector machine for optical diagnosis of cancer Journal of Biomedical Optics, 10 (2). 024034_1-024034_14. ISSN 1083-3668 Majumder, Shovan K. ; Ghosh, Nirmalya ; Gupta, Pradeep K. (2005) Relevance vector machine for optical diagnosis of cancer Lasers in Surgery and Medicine, 36 (4). pp. 323-333. ISSN 0196-8092 Mukhopadhyay, P. K. ; Alsous, M. B. ; Ranganathan, K. ; Sharma, S. K. ; Gupta, P. K. ; Kuruvilla, A. ; Nathan, T. P. S. (2005) Characterization of laser-diode end-pumped intracavity frequency doubled, passively Q-switched and mode-locked Nd:YVO4 laser Optics & Laser Technology, 37 (2). pp. 157-162. ISSN 0030-3992 Das, K. ; Dube, A. ; Gupta, P. K. (2005) A spectroscopic study of photobleaching of Chlorin p6 in different environments Dyes and Pigments, 64 (3). pp. 201-205. ISSN 0143-7208 Divakar Rao, K. ; Patel, H. S. ; Jain, B. ; Gupta, P. K. (2005) Time-gated optical imaging through turbid media using stimulated Raman scattering: studies on image contrast Pramana - Journal of Physics, 64 (2). pp. 229-238. ISSN 0304-4289 Ghosh, N. ; Majumder, S. K. ; Patel, H. S. ; Gupta, P. K. (2005) Depth-resolved fluorescence measurement in a layered turbid medium by polarized fluorescence spectroscopy Optics Letters, 30 (2). pp. 162-164. ISSN 0146-9592 Das, K. ; Jain, B. ; Dube, A. ; Gupta, P. K. (2005) pH dependent binding of chlorin-p6 with phosphatidyl choline liposomes Chemical Physics Letters, 401 (1-3). pp. 185-188. ISSN 0009-2614 Mohanty, Samarendra K. ; Sharma, Mrinalini ; Panicker, Mitradas M. ; Gupta, Pradeep K. (2005) Controlled induction, enhancement, and guidance of neuronal growth cones by use of line optical tweezers Optics Letters, 30 (19). pp. 2596-2598. ISSN 0146-9592 Mohanty, Samarendra ; Mohanty, Khyati S. ; Gupta, Pradeep (2005) Dynamics of interaction of RBC with optical tweezers Optics Express, 13 (12). pp. 4745-4751. ISSN 1094-4087 Yalavarthy, Phaneendra K. ; Karlekar, Kirtish ; Patel, H. S. ; Vasu, R. M. ; Pramanik, Manojit ; Mathias, P. C. ; Jain, B. ; Gupta, P. (2005) Experimental investigation of perturbation Monte-Carlo based derivative estimation for imaging low-scattering tissue Optics Express, 13 (3). pp. 985-997. ISSN 1094-4087 Uppal, Abha ; Ghosh, Nirmalya ; Datta, Anindya ; Gupta, Pradeep Kumar (2005) Fluorimetric estimation of the concentration of NADH from human blood samples Biotechnology and Applied Biochemistry, 41 (1). pp. 43-47. ISSN 0885-4513 Mohanty, S. K. ; Rao, K. D. ; Gupta, P. K. (2005) Optical trap with spatially varying polarization: application in controlled orientation of birefringent microscopic particle(s) Applied Physics B: Lasers and Optics, 80 (6). pp. 631-634. ISSN 0946-2171 Dasgupta, Raktim ; Gupta, Pradeep K. (2005) Rotation of transparent, nonbirefringent objects by transfer of the spin angular momentum of light Optics Letters, 30 (4). pp. 394-396. ISSN 0146-9592 Mohanty, S. K. ; Dasgupta, R. ; Gupta, P. K. (2005) Three-dimensional orientation of microscopic objects using combined elliptical and point optical tweezers Applied Physics B: Lasers and Optics, 81 (8). pp. 1063-1066. ISSN 0946-2171 Mohanty, S. K. ; Gupta, P. K. (2005) Transport of microscopic objects using asymmetric transverse optical gradient force Applied Physics B: Lasers and Optics, 81 (2-3). pp. 159-162. ISSN 0946-2171 Sharma, Mrinalini ; Bansal, Harsha ; Gupta, Pradeep Kumar (2005) Virulence of Pseudomonas aeruginosa cells surviving photodynamic treatment with toluidine blue Current Microbiology, 50 (5). pp. 277-280. ISSN 0343-8651 Ghosh, N. ; Verma, Y. ; Majumder, S. K. ; Gupta, P. K. (2005) A fluorescence spectroscopic study of honey and cane sugar syrup Food Science and Technology Research, 11 (1). pp. 59-62. ISSN 1344-6606 Sharma, Mrinalini ; Dube, Alok ; Bansal, Harsha ; Gupta, Pradeep Kumar (2004) Effect of pH on uptake and photodynamic action of chlorin p6 on human colon and breast adenocarcinoma cell lines Photochemical & Photobiological Sciences, 3 (2). pp. 231-235. ISSN 1474-905X Mukhopadhyay, P. K. ; Alsous, M. B. ; Ranganathan, K. ; Sharma, S. K. ; Gupta, P. K. ; George, J. ; Nathan, T. P. S. (2004) Analysis of laser-diode end-pumped intracavity frequency-doubled, passively Q-switched and mode-locked Nd:YVO 4 laser Applied Physics B: Lasers and Optics, 79 (6). pp. 713-720. ISSN 0946-2171 Ghosh, Nirmalya ; Pradhan, Asima ; Gupta, Pradeep Kumar ; Gupta, Sharad ; Jaiswal, V. ; Singh, R. P. (2004) Depolarization of light in a multiply scattering medium: effect of the refractive index of a scatterer Physical Review E, 70 (6). 0666070-66613. ISSN 1063-651X Mohanty, Samarendra K. ; Gupta, Pradeep K. (2004) Laser-assisted three-dimensional rotation of microscopic objects Review of Scientific Instruments, 75 (7). pp. 2320-2322. ISSN 0034-6748 Dube, Alok ; Jayasankar, K. ; Prabakaran, L. ; Kumar, V. ; Gupta, P. K. (2004) Nitrogen laser irradiation (337 nm) causes temporary inactivation of clinical isolates of Mycobacterium tuberculosis Lasers in Medical Science, 19 (1). pp. 52-56. ISSN 0268-8921 Mohanty, Samarendra ; Andrews, Joseph ; Gupta, Pradeep (2004) Optical binding between dielectric particles Optics Express, 12 (12). pp. 2746-2753. ISSN 1094-4087 Mohanty, Samarendra K. ; Uppal, Abha ; Gupta, Pradeep K. (2004) Self-rotation of red blood cells in optical tweezers: prospects for high throughput malaria diagnosis Biotechnology Letters, 26 (12). pp. 971-974. ISSN 0141-5492 Nirwan, F. M. ; Gundu Rao, T. K. ; Gupta, P. K. ; Pode, R. B. (2003) Studies of defects in YVO4:Pb2+, Eu3+ red phosphor material Physica Status Solidi A: Applied Research, 198 (2). pp. 447-456. ISSN 0031-8965 Ghosh, N. ; Gupta, P. K. ; Patel, H. S. ; Jain, B. ; Singh, B. N. (2003) Depolarization of light in tissue phantoms - effect of collection Geometry Optics Communications, 222 (1-6). pp. 93-100. ISSN 0030-4018 Mukhopadhyay, P. K. ; Alsous, M. B. ; Ranganathan, K. ; Sharma, S. K. ; Gupta, P. K. ; George, J. ; Nathan, T. P. S. (2003) Simultaneous Q-switching and mode-locking in an intracavity frequency doubled diode-pumped Nd:YVO4/KTP green laser with Cr4+:YAG Optics Communications, 222 (1-6). pp. 399-404. ISSN 0030-4018 Majumder, Shovan K. ; Ghosh, Nirmalya ; Kataria, Sudhir ; Gupta, Pradeep K. (2003) Nonlinear pattern recognition for laser-induced fluorescence diagnosis of cancer Lasers in Surgery and Medicine, 33 (1). pp. 48-56. ISSN 0196-8092 Kohli, Roma ; Gupta, Pradeep Kumar (2003) Irradiance dependence of the He-Ne laser-induced protection against UVC radiation in E. coli strains Journal of Photochemistry and Photobiology B: Biology, 69 (3). pp. 161-167. ISSN 1011-1344 Dasgupta, Raktim ; Mohanty, Samarendra K. ; Gupta, Pradeep K. (2003) Controlled rotation of biological microscopic objects using optical line tweezers Biotechnology Letters, 25 (19). pp. 1625-1628. ISSN 0141-5492 Ghosh, N. ; Patel, H. ; Gupta, P. (2003) Depolarization of light in tissue phantoms - effect of a distribution in the size of scatterers Optics Express, 11 (18). pp. 2198-2205. ISSN 1094-4087 Mukhopadhyay, P. K. ; Nautiyal, A. ; Gupta, P. K. ; Ranganathan, K. ; George, J. ; Sharma, S. K. ; Nathan, T. P. S. (2003) Experimental determination of the thermo-optic coefficient (dn /dT ) and the effective stimulated emission cross-section (s e) of an a -axis cut 1.-at.?% doped Nd:GdVO4 crystal at 1.06 μm wavelength Applied Physics B: Lasers and Optics, 77 (1). pp. 81-87. ISSN 0946-2171 Uppal, A. ; Kohli, R. ; Gupta, P. K. ; Dubey, P. S. (2003) Induction of phr gene expression in Escherichia coli strain KY706/pPL-1 by UVA (365 nm) irradiation Annals of Microbiology, 53 (3). pp. 329-336. ISSN 1590-4261 Mohanty, Samarendra K. ; Sharma, Mrinalini ; Gupta, Pradeep K. (2003) Laser-assisted microinjection into targeted animal cells Biotechnology Letters, 25 (11). pp. 895-899. ISSN 0141-5492 Uppal, Abha ; Gupta, Pradeep Kumar (2003) Measurement of NADH concentration in normal and malignant human tissues from breast and oral cavity Biotechnology and Applied Biochemistry, 37 (1). pp. 45-50. ISSN 0885-4513 Dube, A. ; Bansal, H. ; Gupta, P. K. (2003) Modulation of macrophage structure and function by low level He-Ne laser irradiation Photochemical & Photobiological Sciences, 2 . pp. 851-855. ISSN 1474-905X Sharma, M. ; Bansal, H. ; Gupta, P. K. (2002) Photodynamic inactivation of antibiotic resistant strain of Pseudomonas aeruginosa by porphyrins induced by delta-aminolaevulinic acid Indian Journal of Medical Research, 116 . pp. 99-105. ISSN 0019-5340 Diagaradjane, Parmeswaran ; Madhuri, Sankaranarayanapillai ; Aruna, Prakasarao ; Gupta, Pradeep Kumar ; Ganesan, Singaravelu (2002) In vivo pharmacokinetics of δ-Aminolevulinic acid-induced protoporphyrin ix during pre- and post-photodynamic therapy in 7,12-dimethylbenz(a)nthracene-treated skin carcinogenesis in swiss mice: a comparison by three-compartment model Photochemistry and Photobiology, 76 (1). pp. 81-90. ISSN 0031-8655 Datta, Anindya ; Dube, Alok ; Jain, Beena ; Tiwari, Arjun ; Gupta, Pradeep Kumar (2002) The effect of pH and surfactant on the aggregation behavior of chlorin p6: a fluorescence spectroscopic study Photochemistry and Photobiology, 75 (5). pp. 488-494. ISSN 0031-8655 Mohanty, S. K. ; Rapp, A. ; Monajembashi, S. ; Gupta, P. K. ; Greulich, K. O. (2002) Comet assay measurements of DNA damage in cells by laser microbeams and trapping beams with wavelengths spanning a range of 308 nm to 1064 nm Radiation Research, 157 (4). pp. 378-385. ISSN 0033-7587 Sharma, Mrinalini ; Bansal, Harsha ; Gupta, Pradeep Kumar (2002) Photodynamic action of merocyanine 540 on carcinoma of cervix cells Indian Journal of Experimental Biology, 40 (3). pp. 252-257. ISSN 0019-5189 Mukhopadhyay, Pranab K. ; George, Jogy ; Sharma, S. K. ; Gupta, P. K. ; Nathan, T. P. S. (2002) Operational characteristics of dual gain single cavity Nd:YVO4 laser Pramana - Journal of Physics, 58 (1). pp. 59-66. ISSN 0304-4289 Ghosh, N. ; Datta, A. ; Gupta, P. K. (2002) Diffuse reflectance studies of edible fats Applied Spectroscopy, 56 (8). pp. 1094-1097. ISSN 0003-7028 Ghosh, N. ; Majumder, S. K. ; Gupta, P. K. (2002) Fluorescence depolarization in a scattering medium: effect of size parameter of a scatterer Physical Review E, 65 (2). 026608_1-026608_6. ISSN 1063-651X Ghosh, N. ; Majumder, S. K. ; Gupta, P. K. (2002) Polarized fluorescence spectroscopy of human tissues Optics Letters, 27 (22). pp. 2007-2009. ISSN 0146-9592 Kohli, Roma ; Bose, Biplab ; Gupta, Pradeep Kumar (2001) Induction of phr gene expression in E. coli strain KY706/pPL-1 by He-Ne laser (632.8 nm) irradiation Journal of Photochemistry and Photobiology B: Biology, 60 (2-3). pp. 136-142. ISSN 1011-1344 Mohanty, Samarendra K. ; Ghosh, Nirmalya ; Majumder, Shovan K. ; Gupta, Pradeep K. (2001) Depolarization of autofluorescence from malignant and normal human breast tissues Applied Optics, 40 (7). pp. 1147-1154. ISSN 0003-6935 Dube, A. ; Bock, C. ; Bauer, E. ; Kohli, R. ; Gupta, P. K. ; Greulich, K. O. (2001) He-Ne laser irradiation protects B-lymphoblasts from UVA-induced DNA damage Radiation and Environmental Biophysics, 40 (1). pp. 77-82. ISSN 0301-634X Parmeswearan, Diagaradjane ; Aruna, Prakasa R. ; Ganesan, Singaravelu ; Gupta, Pradeep K. (2001) In-vivo pharmacokinetics of δ-ALA induced PPIX during photodynamic therapy on mice tumor model Proceedings of SPIE, 4433 . p. 128. ISSN 0277-786X Ghosh, N. ; Mohanty, S. K. ; Majumder, S. K. ; Gupta, P. K. (2001) Measurement of optical transport properties of normal and malignant human breast tissue Applied Optics, 40 (1). pp. 176-184. ISSN 0003-6935 Divakara Rao, K. ; Anantha Ramakrishna, S. ; Gupta, P. K. (2001) Nonlinear optical studies in tetraphenyl-porphyrin-doped boric acid glass using picosecond pulses Applied Physics B: Lasers and Optics, 72 (2). pp. 215-219. ISSN 0946-2171 Swami, M. K. ; Manhas, S. ; Buddhiwant, P. ; Ghosh, N. ; Uppal, A. ; Gupta, P. K. (2000) Quantitative tissue polarimetry using polar decomposition of 3 × 3 Mueller matrix Proceedings of SPIE, 6535 . 65350J - 65350J. ISSN 0277-786X Majumder, S. K. ; Mohanty, S. K. ; Ghosh, N. ; Gupta, P. K. ; Jain, D. K. ; Khan, Fareed (2000) A pilot study on the use of autofluorescence spectroscopy for diagnosis of the cancer of human oral cavity Current Science, 79 (8). pp. 1089-1094. ISSN 0011-3891 Ajithkumar, G. ; Gupta, P. K. ; Jose, Gin ; Unnikrishnan, N. V. (2000) Judd-Ofelt intensity parameters and laser analysis of Pr3+ doped phosphate glasses sensitized by Mn2+ ions Journal of Non Crystalline Solids, 275 (1-2). pp. 93-106. ISSN 0022-3093 Murali Krishna, C. ; Bose, Biplab ; Gupta, P. K. (2000) N2 laser-induced oxidation of hemoproteins in red blood cell lysate Radiation Research, 153 (4). pp. 411-415. ISSN 0033-7587 Kohli, Roma ; Gupta, Pradeep Kumar ; Dube, Alok (2000) Helium-Neon laser preirradiation induces protection against UVC radiation in wild-type E. coli strain K12AB1157 Radiation Research, 153 (2). pp. 181-185. ISSN 0033-7587 Mahalley, B. N. ; Pode, R. B. ; Gupta, P. K. (2000) Synthesis of GdVO4 : Bi,Eu red phosphor by combustion process Physica Status Solidi A: Applied Research, 117 (1). pp. 293-302. ISSN 0031-8965 Gupta, P. K. ; Bhawalkar, D. D. (1999) Laser applications in medicine: studies at Centre for Advanced Technology Current Science, 77 (07). pp. 925-933. ISSN 0011-3891 Gupta, P. K. (1999) Tissue optics Current Science, 76 (10). pp. 1341-1347. ISSN 0011-3891 Bock, C. ; Dube, A. ; Greulich, K. O. ; Gupta, P. K. (1999) Identification by microscopically controlled comet assay of peritoneal macrophages in a mixture of peritoneal exudate for DNA strand break analysis Mutation Research: Genetic Toxicology and Environmental Mutagenesis, 439 (2). pp. 171-181. ISSN 1383-5718 Majumder, S. K. ; Gupta, P. K. ; Uppal, A. (1999) Autofluorescence spectroscopy of tissues from human oral cavity for discriminating malignant from normal Lasers in the Life Sciences, 8 (4). pp. 211-227. ISSN 0886-0467 Majumder, S. K. ; Gupta, P. K. ; Jain, B. ; Uppal, A. (1999) UV excited autofluorescence spectroscopy of human breast tissue for discriminating cancerous tissue from benign tumor and normal tissue Lasers in the Life Sciences, 8 (4). pp. 249-264. ISSN 0886-0467 Singh, Shyam ; Dube, Alok ; Gupta, P. K. (1998) Fluorescence study of maize irradiated by UVA Pure and Applied Optics: Journal of the European Optical Society Part A, 7 (3). L39-L42. ISSN 0963-9659 Majumdar, S. K. ; Gupta, P. K. (1998) Synchronous luminescence spectroscopy of human breast tissue Proceedings of SPIE, 3252 . pp. 169-178. ISSN 0277-786X Mukhopadhyay, Indranath ; Gupta, Pradeep Kumar ; Moruzzi, Giovanni ; Winnewisser, Brenda P. ; Winnewisser, Manfred (1997) High resolution fourier transform far infrared spectroscopy of CH3OD Journal of Molecular Spectroscopy, 186 (1). pp. 15-21. ISSN 0022-2852 Dube, A. ; Gupta, P. K. ; Bharti, S. (1997) Redox absorbance changes of the respiratory chain components of E-Coli following He-Ne laser irradiation Lasers in the Life Sciences, 7 (3). pp. 173-180. ISSN 0886-0467 Gupta, Pradeep Kumar ; Majumder, Shovan Kumar ; Uppal, Abha (1997) Breast cancer diagnosis using N2 laser excited autofluorescence spectroscopy Lasers in Surgery and Medicine, 21 (5). pp. 417-422. ISSN 0196-8092 Nagarkar, Mangal M. ; Gupta, Pradeep K. (1997) Measurement of the absorption coefficient of CO2 laser windows with hysteresis in the power-tuning curve of a single-mode continuous-wave CO2 laser Applied Optics, 36 (36). pp. 9515-9517. ISSN 0003-6935 Nagarkar, Mangal M. ; Gupta, Pradeep K. (1997) Method for obtaining a symmetric power tuning curve for a single-mode continuous-wave CO2 laser Applied Optics, 36 (18). pp. 4099-4101. ISSN 0003-6935 Majumder, S. K. ; Uppal, A. ; Gupta, P. K. (1996) In-vitro diagnosis of human uterine malignancy usuing N2 laser induced autofluorescence spectroscopy Current Science, 70 (9). pp. 833-836. ISSN 0011-3891 Sastry, K. V. L. N. ; Mukhopadhyay, I. ; Gupta, P. K. ; VanderLinde, J. (1996) Determination of the dipole moment of O-18 methanol by microwave Stark spectroscopy Journal of Molecular Spectroscopy, 176 (1). pp. 38-44. ISSN 0022-2852 Koul, D. K. ; Singhvi, A. K. ; Nambi, K. S. V. ; Bhat, C. L. ; Gupta, P. K. (1996) Feasibility of estimating firing temperature using the 110°C TL peak of quartz Applied Radiation and Isotopes, 47 (2). pp. 191-194. ISSN 0969-8043 Moraes, J. C. S. ; Pereira, D. ; Scalabrin, A. ; Moruzzi, G. ; Strumia, F. ; Winnewisser, B. P. ; Winnewisser, M. ; Mukhopadhyay, I. ; Gupta, P. K. (1995) Ritz analysis of the Fourier spectrum of 13CH3OH from 25 to 350 cm-1 Journal of Molecular Spectroscopy, 174 (1). pp. 177-195. ISSN 0022-2852 Gupta, P. K. ; Majumder, S. K. (1995) Laser induced fluorescence spectroscopy for diagnosis of cancer CAT Newsletter . ISSN 0311-0982 Sastry, K. V. L. N. ; Vanderlinde, J. ; Donovan, D. ; Mukhopadhyay, I. ; Gupta, P. K. (1994) Determination of the dipole moment of 13C methanol by microwave Stark spectroscopy Journal of Molecular Spectroscopy, 168 (2). pp. 374-383. ISSN 0022-2852 Mukhopadhyay, ; Gupta, Pradeep K. (1994) Assignments and predictions of optically pumped far infrared laser lines in C-13 methanol Proceedings of SPIE, 2211 . pp. 349-363. ISSN 1864-063X Vadjikar, R. M. ; Jain, B. ; Gupta, P. K. ; Nandedkar, R. V. ; Bhawalkar, D. D. ; Patni, M. J. ; Srinivasa, R. ; Chandorkar, A. N. (1994) Chemical treatment of photoluminescent porous silicon Materials Science and Engineering: B, 23 (2). L13-L15. ISSN 0921-5107 Mukhopadhyay, ; Gupta, Pradeep K. (1994) High resolution spectroscopy of the OCD-bending mode of methanol-D1 and assignments of far infrared laser lines Proceedings of SPIE, 2211 . pp. 364-372. ISSN 0277-786X Mukhopadhyay, I. ; Gupta, P. K. ; Lees, R. M. (1993) Confirmation and prediction of far infrared laser emissions from excited torsional states of methyl alcohol Journal of Molecular Spectroscopy, 157 (2). pp. 290-300. ISSN 0022-2852 Jain, B. ; Gupta, P. K. (1992) Theoretical study of the feasibility of dual-band multiline operation of a TEA CO2 laser with intracavity fabry-perot etalons Applied Physics B: Lasers and Optics, 54 (6). pp. 534-537. ISSN 0946-2171 Gupta, P. K. ; Singhal, V. P. ; Shikarkhane, N. S. ; Sinha, S. ; Sasikumar, S. ; Nundy, U. ; Chatterjee, U. K. (1990) Design and the operational characteristics of a 16µm CF4 laser Pramana - Journal of Physics, 34 (3). pp. 249-257. ISSN 0304-4289 Gupta, P. K. ; Harrison, R. G. (1990) Frequency stable long pulse operation of a self sustained TE CO2 laser Optics Communications, 74 (5). pp. 318-322. ISSN 0030-4018 Gupta, P. K. ; Jiad, K. ; Uppal, J. S. ; Harrison, R. G. (1990) Simultaneous emission on 10P and 10R branch lines from a hybrid CO2 laser Optical and Quantum Electronics, 22 (1). pp. 89-94. ISSN 0306-8919 Sinha, Sucharita ; Gupta, Pradeep K. (1990) Temporal synchronization of independently tunable single longitudinal mode hybrid CO2 lasers Applied Physics B: Lasers and Optics, 51 (4). pp. 295-299. ISSN 0946-2171 Uppal, J. S. ; Jiad, K. ; Gupta, P. K. ; Spiers, G. ; Harrison, R. G. (1990) Tunable chirp-free pulsed injection of TEA CO2 laser oscillators for Doppler wind LIDAR applications Journal of Modern Optics, 37 (4). pp. 493-500. ISSN 0950-0340 Uppal, J. S. ; Gupta, P. K. ; Harrison, R. G. (1989) Aperiodic ruling for the measurement of Gaussian laser beam diameters Optics Letters, 14 (13). pp. 683-685. ISSN 0146-9592 Gupta, P. K. ; Jiad, K. ; Uppal, J. S. ; Harrison, R. G. (1989) Multiline operation of a hybrid CO laser Applied Optics, 28 (13). pp. 2460-2461. ISSN 0003-6935 Harrison, R. G. ; Lu, Weiping ; Gupta, P. K. (1989) Origin of periodic, chaotic, and bistable emission from Raman lasers Physical Review Letters, 63 (13). pp. 1372-1375. ISSN 0031-9007 Mehendale, S. C. ; Gupta, P. K. (1988) Effect of double refraction on type II phase matched second harmonic generation Optics Communications, 68 (4). pp. 301-304. ISSN 0030-4018 Gupta, Pradeep K. ; Bhargava, Sarita (1988) An experiment with Gaussian laser beam American Journal of Physics, 56 (6). pp. 563-564. ISSN 0002-9505 Gupta, P. K. ; Mehendale, S. C. (1988) Multiline operation of a helical TEA CO2 laser Applied Optics, 27 (22). pp. 4611-4612. ISSN 0003-6935 Gupta, P. K. ; Mehendale, S. C. (1987) Mid-infrared optically pumped molecular lasers Hyperfine Interactions, 37 (1-4). pp. 243-273. ISSN 0304-3843 Sinha, Sucharita ; Gupta, Pradeep K. (1986) Longitudinal mode selection in hybrid CO2 laser for subthreshold operation of CW discharge section Applied Physics Letters, 49 (20). pp. 1331-1332. ISSN 0003-6951 Dev, Vas ; Nundy, U. ; Shikarkhane, N. S. ; Gupta, P. K. ; Chatterjee, U. K. (1986) Thermal effects of intracavity optical components on the power tuning curve in a CW CO2 lasers Optics Communications, 57 (2). pp. 107-110. ISSN 0030-4018 Rustagi, K. C. ; Mehendale, S. C. ; Gupta, P. K. (1983) Phase matching in frequency mixing with internally generated waves Applied Physics Letters, 43 (9). pp. 811-813. ISSN 0003-6951 Mehendale, S. C. ; Gupta, P. K. ; Rustagi, K. C. (1983) Effects of "atomic depletion" on four-wave mixing in potassium Applied Physics B: Lasers and Optics, 32 (4). pp. 217-223. ISSN 0946-2171 Harrison, R. ; Gupta, P. ; Taghizadeh, M. ; Kar, A. (1982) Efficient multikilowatt mid infrared difference frequency generation in CdGeAs2 IEEE Journal of Quantum Electronics, 18 (8). pp. 1239-1242. ISSN 0018-9197 Harrison, R. ; Gupta, P. ; Taghizadeh, M. (1981) 12.8 µm laser emission with upto 30% energy conversion and 40-60% power conversion efficiency IEEE Journal of Quantum Electronics, 17 (12). p. 2438. ISSN 0018-9197 Gupta, P. ; Harrison, R. (1981) Rate equation model for mid IR OPML having common pump and upper lasing level: application to 12.8 µm emission from NH3 IEEE Journal of Quantum Electronics, 17 (11). pp. 2238-2244. ISSN 1077-260X Gupta, P. K. ; Kar, A. K. ; Taghizadeh, M. R. ; Harrison, R. G. (1981) 12.8 µm NH3 laser emission with 40-60% power conversion efficiency and up to 28% energy conversion efficiency Applied Physics Letters, 39 (1). pp. 32-34. ISSN 0003-6951 Harrison, R. G. ; Gupta, P. K. ; Kar, A. K. ; Taghizadeh, M. R. (1980) A simple and efficient optically pumped NH3 laser system Optics Communications, 34 (3). pp. 445-446. ISSN 0030-4018 Rustagi, K. C. ; Gupta, P. K. (1980) Effect of Gaussian intensity profiles on difference frequency generation Optics Communications, 33 (1). pp. 103-107. ISSN 0030-4018 Gupta, P. K. (1978) A proposal for a tunable coherent source at 16 µm Journal of Physics D: Applied Physics, 11 (15). L171-L174. ISSN 0022-3727 |