Browse by Fellow

Sen, Avijit ; Krishnan, V. (1999) Photophysical and electrochemical redox properties of fixed distance porphyrin-quinone systems Journal of Photochemistry and Photobiology A: Chemistry, 123 (1-3). pp. 77-85. ISSN 1010-6030

Sen, Avijit ; Krishnan, V. (1998) Novel covalently linked porphyrin dimers for controlled intramolecular energy transfer Chemical Physics Letters, 294 (6). pp. 499-506. ISSN 0009-2614

Krishnan, V. (1997) Electron transfer in chemistry and biology - the primary events in photosynthesis Resonance - Journal of Science Education, 2 (12). pp. 77-86. ISSN 0971-8044

Dahal, S. ; Krishnan, V. (1997) Excited singlet state intramolecular charge transfer in di and trinitrotetraphenylporphyrins Chemical Physics Letters, 274 (4). pp. 390-395. ISSN 0009-2614

Sen, Avijit ; Krishnan, V. (1996) Novel β-pyrrole substituted porphyrin-quinone system for efficient intramolecular charge transfer Tetrahedron Letters, 37 (46). pp. 8437-8438. ISSN 0040-4039

Sen, Avijit ; Krishnan, V. (1996) Synthesis, spectral and electrochemical properties of donor/acceptor substituted fluoroarylporphyrins Tetrahedron Letters, 37 (30). pp. 5421-5424. ISSN 0040-4039

Sen, Avijit ; Ray, Paresh Chandra ; Das, Puspendu Kumar ; Krishnan, Varadachari (1996) Metalloporphyrins for quadratic nonlinear optics Journal of Physical Chemistry A, 100 (50). pp. 19611-19613. ISSN 1089-5639

Safe, S. ; Krishnan, V. (1995) Chlorinated hydrocarbons: estrogens and antiestrogens Toxicology Letters, 82-83 . pp. 731-736. ISSN 0378-4274

Krishnan, V. ; Porter, W. ; Santostefano, M. ; Wang, X. ; Safe, S. (1995) Molecular mechanism of inhibition of estrogen-induced cathepsin D gene expression by 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) in MCF-7 cells Molecular and Cellular Biology, 15 (12). pp. 6710-6719. ISSN 0270-7306

Dahal, S. ; Krishnan, V. (1995) Charge transfer excited states of zinc(II) derivatives of β-substituted dinitrotetraphenylporphyrin Journal of Photochemistry and Photobiology A: Chemistry, 89 (2). pp. 105-112. ISSN 1010-6030

Krishnan, V. ; Batova, E. E. ; Shafirovich, V. Ya. (1994) Photoinduced electron transfer in zinc porphyrin-crown ether supramolecule with Eu³⁺ electron acceptor in crown void Journal of Photochemistry and Photobiology A: Chemistry, 84 (3). pp. 233-235. ISSN 1010-6030

Rao, Sheela ; Krishnan, V. (1994) Effect of meso-substituents in the modulation of electronic properties of octaalkylporphine Journal of Molecular Structure, 327 (2-3). pp. 279-285. ISSN 0022-2860

Maiya, Bhaskar G. ; Doraiswamy, S. ; Periasamy, N. ; Venkataraman, B. ; Krishnan, V. (1994) Time-resolved fluorescence studies on covalently linked porphyrin-nitroarene complexes. Conformational control of photoinduced electron transfer reactions Journal of Photochemistry and Photobiology A: Chemistry, 81 (3). pp. 139-150. ISSN 1010-6030

Krishnan, V. ; Wang, X. ; Safe, S. (1994) Estrogen receptor-Sp1 complexes mediate estrogen-induced cathepsin D gene expression in MCF-7 human breast cancer cells Journal of Biological Chemistry, 269 (22). pp. 15912-15917. ISSN 0021-9258

Chaloupka, K. ; Harper, N. ; Krishnan, V. ; Santostefano, M. ; Rodriguez, L. V. ; Safe, S. (1993) Synergistic activity of polynuclear aromatic hydrocarbon mixtures as aryl hydrocarbon (Ah) receptor agonists Chemico-Biological Interactions, 89 (2-3). pp. 141-158. ISSN 0009-2797

Wang, X. ; Porter, W. ; Krishnan, V. ; Narasimhan, T. R. ; Safe, S. (1993) Mechanism of 2,3,7,8-tetrachlorodibenzo-P-dioxin (TCDD)-mediated decrease of the nuclear estrogen receptor in MCF-7 human breast cancer cells Molecular and Cellular Endocrinology, 96 (1-2). pp. 159-166. ISSN 0303-7207

Merchant, M. ; Krishnan, V. ; Safe, S. (1993) Mechanism of action of α-naphthoflavone as an Ah receptor antagonist in MCF-7 human breast cancer cells Toxicology and Applied Pharmacology, 120 (2). pp. 179-185. ISSN 0041-008X

Krishnan, V. ; Safe, S. (1993) Polychlorinated biphenyls (PCBs), dibenzo-p-dioxins (PCDDs), and dibenzofurans (PCDFs) as antiestrogens in MCF-7 human breast cancer cells: quantitative structure-activity relationships Toxicology and Applied Pharmacology, 120 (1). pp. 55-61. ISSN 0041-008X

Raghavan, Mala ; Krishnan, V. (1993) Excitation energy transfer in covalently linked pheophorbied-porphyrin systems Chemical Physics Letters, 205 (1). pp. 19-24. ISSN 0009-2614

Moore, M. ; Narasimhan, T. R. ; Wang, X. ; Krishnan, V. ; Safe, S. ; Williams, H. J. ; Scott, A. I. (1993) Interaction of 2,3,7,8-tetrachlorodibenzo-p-dioxin, 12-O-tetradecanoylphorbol-13-acetate (TPA) and 17β-estradiol in MCF-7 human breast cancer cells Journal of Steroid Biochemistry and Molecular Biology, 44 (3). pp. 251-261. ISSN 0960-0760

Jeyakumar, D. ; Krishnan, V. (1992) Intermolecular complexes of singly linked bisporphyrins with trinitrobenzene Spectrochimica Acta Part A: Molecular Spectroscopy, 48 (11-12). pp. 1671-1682. ISSN 0584-8539

Krishnan, V. ; Narisimhan, T. R. ; Safe, S. (1992) Effects of 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) as an antiestrogen in MCF-7 human breast cancer cells Chemosphere, 25 (7-10). pp. 947-950. ISSN 0045-6535

Elangovan, T. ; Krishnan, V. (1992) Photophysical properties of porphyrin amphiphiles bearing pyridinium alkyl groups Chemical Physics Letters, 194 (1-2). pp. 139-146. ISSN 0009-2614

Chaloupka, K. ; Krishnan, V. ; Safe, S. (1992) Polynuclear aromatic hydrocarbon carcinogens as antiestrogens in MCF-7 human breast cancer cells: role of the Ah receptor Carcinogenesis, 13 (12). pp. 2233-2239. ISSN 0143-3334

Pradeep, T. ; D'Souza, F. ; Subbanna, G. N. ; Krishnan, V. ; Rao, C. N. R. (1991) Buckminsterfullerene, C₆₀: improved synthesis, electron microscopy, electron states, anions and related aspects Proceedings of the Indian Academy of Sciences - Chemical Sciences, 103 (5). pp. 685-689. ISSN 0253-4134

Bhyrappa, P. ; Krishnan, V. (1991) Octabromotetraphenylporphyrin and its metal derivatives: electronic structure and electrochemical properties Inorganic Chemistry, 30 (2). pp. 239-245. ISSN 0020-1669

D'Souza, Francis ; Krishnan, V. (1990) Coordination behaviour of metalloporphyrins with intramolecularly linked thiolate ligand Inorganica Chimica Acta, 176 (1). pp. 131-137. ISSN 0020-1693

Droupadi, P. R. ; Krishnan, V. (1987) Singlet quenching of chlorophyll A by nitroaromatics. Effect of solvents on the electron transfer from excited singlet of chlorophyll A to nitroaromatic acceptors Biochimica et Biophysica Acta (BBA) - Bioenergetics, 894 (2). pp. 284-294. ISSN 0005-2728

Kalyanasundaram, K. ; Vlachopoulos, N. ; Krishnan, V. ; Monnier, A. ; Graetzel, M. (1987) Sensitization of titanium dioxide in the visible light region using zinc porphyrins Journal of Physical Chemistry B, 91 (9). pp. 2342-2347. ISSN 1089-5647

Bhaskar Maiya, G. ; Krishnan, V. (1985) Intramolecular electron transfer in donor-acceptor systems. Porphyrins bearing trinitroaryl acceptor group Journal of Physical Chemistry B, 89 (4). pp. 5225-5235. ISSN 1089-5647

Hanumantha Rao, V. ; Krishnan, V. (1985) Kinetics of porphyrin metalation reactions in micellar media. Singlet emission studies Inorganic Chemistry, 24 (22). pp. 3538-3541. ISSN 0020-1669

Droupadi, P. R. ; Krishnan, V. (1985) Charge-transfer interactions of chlorophyll A, pheophytin A, and divalent metal derivatives of pheophytin A with 2,4,7-trinitrofluorenone Journal of Physical Chemistry B, 89 (6). pp. 909-917. ISSN 1089-5647

Krishnan, V. ; Sridharan, K. R. ; Ramakrishna, J. (1985) Pressure dependence of ³⁵Cl NQR in hexachloro- (N₃P₃Cl₆) and octachloro- (N₄P₄C_l8) cyclophosphazenes Polyhedron, 4 (4). pp. 739-745. ISSN 0277-5387

Malini, R. ; Krishnan, V. (1984) Charge transfer complexes of crown ethers with neutral organic π-acceptor, 2-dicyanoethylene 1,3-indane dione Spectrochimica Acta Part A: Molecular Spectroscopy, 40 (3). pp. 323-328. ISSN 0584-8539

Thanabal, V. ; Krishnan, V. (1983) Influence of cations on zinc(II) incorporation into crown porphyrins Polyhedron, 2 (6). pp. 505-507. ISSN 0277-5387

Thanabal, V. ; Krishnan, V. (1982) Cation-induced crown porphyrin dimers of oxovanadium(IV) Inorganic Chemistry, 21 (10). pp. 3606-3613. ISSN 0020-1669

Thanabal, V. ; Krishnan, V. (1982) Porphyrins with multiple crown ether voids: novel systems for cation complexation studies Journal of the American Chemical Society, 104 (13). pp. 3643-3650. ISSN 0002-7863

Dasgupta, D. ; Thanabal, V. ; Krishnan, V. (1982) Metallo crown porphyrins as ionophores-metal dependent uncoupling of mitochondrial energy potential Biochemical and Biophysical Research Communications, 104 (4). pp. 1427-1433. ISSN 0006-291X

Chandrashekar, T. K. ; Krishnan, V. (1981) Donor properties of metallomacrocyclic tetrapyrrole pigments with sym-trinitrobenzene Inorganic Chemistry, 20 (9). pp. 2782-2786. ISSN 0020-1669

Chandrashekar, T. K. ; Krishnan, V. (1981) Coordinative interaction of morpholine with divalent metallo tetraphenyl porphyrins Journal of Inorganic and Nuclear Chemistry, 43 (12). pp. 3287-3290. ISSN 0022-1902

Malini, R. ; Krishnan, V. (1980) Intermolecular charge-transfer complexes of macrocyclic polyethers with 2,3-dichloro-5,6-dicyano-1,4-benzoquinone Journal of Physical Chemistry B, 84 (5). pp. 551-555. ISSN 1089-5647

Balakrishnan, K. P. ; Krishnan, V. (1979) Studies on β-arylhydrazone-imine nickel(II) complexes- examples of metal template syntheses Journal of Inorganic and Nuclear Chemistry, 41 (1). pp. 37-40. ISSN 0022-1902

Patil, P. R. ; Krishnan, V. (1979) Thiomalates of alkaline earth metals Journal of Inorganic and Nuclear Chemistry, 41 (7). pp. 1069-1073. ISSN 0022-1902

Krishnan, V. ; Datta, A. ; Narayana, S. V. L. (1977) Reaction of selenium sulphide with triphenyl compounds of group V elements Inorganic and Nuclear Chemistry Letters, 13 (10). pp. 517-522. ISSN 0020-1650

Krishnan, Varadachari ; Zingaro, Ralph A. (1969) O,O'-diethyl diselenophosphate as a ligand. Compounds of nontransition elements Inorganic Chemistry, 8 (11). pp. 2337-2340. ISSN 0020-1669

Aravamudan, G. ; Krishnan, V. (1966) A new method for the titrimetric determination of perchlorate Talanta, 13 (3). pp. 519-522. ISSN 0039-9140

Krishnan, V. ; Patel, C. C. (1965) Crystallographic data on dimethyl sulphoxide complexes of zirconyl and thorium perchlorates Journal of Inorganic and Nuclear Chemistry, 27 (1). pp. 244-247. ISSN 0022-1902

Krishnan, V. ; Patel, C. C. (1964) Dimethyl sulphoxide complexes of titanyl, zirconyl and thorium perchlorates Journal of Inorganic and Nuclear Chemistry, 26 (12). pp. 2201-2206. ISSN 0022-1902