Emmanuel Ojadi

Associate Professor

Education

B.Sc. 1979, University of Ife
M.A. 1982; Ph.D. 1986, Brandeis University

Research Interests

Photochemistry, Photobiology and Photophysics of Porphyrin Compounds and their applications to energy transformation processes involving oxidation reduction reactions; charge transfer processes and photodynamic therapy of subcutaneous tumors; photorefractivity of porphyrin polymers, photoelectrochemistry on porphyrin coated electrodes and thin films. Synthesis of novel porphyrin compounds and their analogs; Cellular growth from porphyrin substrates.

Select Publications

"Crystal Structure of N-acetyliminodiacetate dimethyl ester"; Paula Prayzner, Emmanuel Ojadi, James Golen and Paul Williard; Acta Crystallographica, (1996)C52, pp. 112-113

"Structure of 3,4-diphenyl-2,5-dicarboxylic acid acetic acid disolvate"; Paula Prayzner, Emmanuel Ojadi, James Golen and Paul Williard; Acta Crystallographica (1996) C54, pp. 665-667

"Triplet EPR studies of ion-paired metalloporphyrin heterodimers"; M. Hugerat, A van der Est, Emmanuel Ojadi, L. Biczok, , H. Linchitz, H. Levanon and D. Stehlik; The Journal of Physical Chemistry (1996) 100, pp. 495-500

"Sequential Protonation of meso-(p-Dimethylamino)phenylporphyrins: Charge-Transfer Excited States Producing Hyperporphyrins," E. Ojadi, H. Linschitz, M. Gouterman, R. I. Walter, J. S. Lindsey, R. W. Wagner, P. R. Dropadi, and W. Wang, J. Phys. Chem., 1993, 97, 13192.

"A Proton NMR Study of the Reactions with Acid of meso-Tetraphenylporphyrins with Various Numbers of 4-Dimethyl amino Groups", R. I. Walter, E. Ojadi, and H. Linschitz, J. Phys. Chem., 1993, 97, 13308.

"Multiple decay pathways and electron transfer in excited ion-paired zinc-copper porphyrins: laser photolysis and time resolved EPR spectroscopy", E. Ojadi, M. Hugerat, H. Levanon, H. Linschitz, and L. Biczok, Chem. Phys. Letters, 1991, 181, 400.