Dr. Ishmael Ordoñez is recognized for his contributions in the field of chemistry, particularly his research program at UP Diliman which resulted in the establishment of the Materials Science Research laboratory wherein students can do research at the undergraduate and graduate levels on various topics such as conducting polymers, biosensors, photo catalysis and rechargeable batteries.

Sex: Male

Education:

• Vanier College, Montreal, Canada, D.E.C. Health Sciences, 1980
• McGill University, Montreal, Canada, B.S. Chemistry, 1984
• Cocordia University, Montreal, Canada, Ph.D. in Chemistry, 1989

Field of Specialization:

Material Science for Microelectronics Asembly, Conducting Polymers, Photochemistry and photocatalysis, Free Radical Mechanisms of Quinone based anticancer drugs, Chemistry

Researches:

Ordoñez, I. Lawrence, M.F., (1996) Photoelectrochemistry of H2 and Zn based sulfophthalocyanincs in an ion-exchange polymer blend
Main Group Elements and Their Compounds, V. G. kunar Das (Ed.), Narosa Publishing House, new Delhi, India

Goin, J. Ordoñez, I. Cadenas, E. ( K. Yagi ed.), (1993) Reductive and oxidative decay pathways of semiquinones: The effects of glutathione and superroxide dismutase.
Active Oxygens, Lipid Peroxides, and Antioxidants, Chapter 30

Ordoñez, I. Cadenas, E., (1992) Thiol oxidation coupled to DT-diaphorase-catalyzed reduction of diaziquone: Reductive and oxidative pathways of diaziquone semiquinone modulated by glutathione and superoxide sismutase.
Biochemistry Journal Volume 286, No. (11):

Lawrence, M.F., Huang, Z., Langford, C.H., Ordoñez, I., (1993) Photocurrent generation and charge transport in SnO2/Ion -exchange polymer - ZnTPP/Au cells
Journal of Physical Chemistry Volume 97

Romero, F.J. Ordoñez, I. Cadenas, E., (1992) The reactivity of thiols and disulfides with different redox states of myoglobin - Reductive processes and hemichrome formation.
Journal of Biological Chemistry Volume 267

Ordoñez, I. Goin, J. Cadenas, E., (1991) One- and two-elctron reactions involving quinones, glutathione and superoxide dismutase. Prooxidant and antioxidant aspects.
Biological Free Radical Oxidations and Antioxidants. F. Ursini and E. Cadenaas, (eds.), CLEUP, University Publishers, Padova, Italy Volume 31

Crouch, A.M. Ordoñez, I. Langford, C.H. Lawrence, M.F., (1988) Dark elecrochemistry and photoelectrochemistry of molecularly doped ion-exchange polymer blends.
Journal of Physical Chemistry Volume 92

Ordoñez, I. Crafton, J.W. Murdock, R.H. Hatfield, L.L. Menzel, E.R., (1991) Laser-excited flourescence and flourescence probes for diagnosing bulk damage in cable insulation.
Applied Spectroscopy in Material Science.David D. Saperstein, (ed), Proc. SPIE 1436 Volume 103

Huang, Z. Ordoñez, I. Loanidis, A.A. Langford, C.H. Lawrence, M.F. , (1991) Solid state conductivity studies of an ion-exchange polymer/dye system.
Photochemistry and Photoelectrochemistry of Organic and Inorganic Molecular Thin Films. M.F. Lawrence, A.J. Frank, S. Ramasesha, C.C. Wamser, (Eds.), Proc. SPIE1436. Volume 103

Ordonez, I., Cote, R., Langford, C.H., Lawrence, M.F., (1988) Photoenduced charge separation in ion-exchange polymer films containing dyes
Abstracts of Papers of the American Chemical Society Volume 195

Ordoñez, I., Mejorada, A., (1995) Copper phthalocyanine tetrasulfonate and CdS sensitization of SnO2 semiconductor electrodes to visible light
Kimika Volume 11, No. 29

Ordoñez, I., (1994) Applications of laser-excited fluorescence (LEF): 1) diagnosing bulk damage in cable insulation and 2) latent fingerprint detection.
Kimika Volume 10, No. (39):

Ordoñez, I., Biro, D.A., Crouch, A.M., Guay, D., Lawrence, M.F., Langford, C.H., Dodelet, J.P., (1987) Dye loaded polymer blend displayiong both ionic and electronic conductivity
Journal of Electrochemical Society Volume 134, No. 3

Papers Presented:

• Heterogenous photocatalysis of endosulfan and pentachlorophenol over TiO2 and ZnO powder dispersions , 13th Philippine Chemistry Congress
• Conducting Polymers as Immobilization Agents for the Fabrication of an Enzyme Electrode, 13th Philippine Chemistry Congress
• Photocatalyzed degradation of chlordane and endusulfan over TiO2 and ZnO powder suspensions , 12th Philippine Chemistry Congress, Sarabia Manor Hotel, Iloilo City
• Laser-excited flourescence in materials and forensic science, 10th Philippine Chemistry Congress, Tagaytay City
• Electrochemical and physical characterization of quaternized polyvinylpyridine blended with polypyrroles, 12th Philippine Chemistry Congress, Sarabia Manor Hotel, Iloilo City
• Photoelectrochemistry of quaternized polyvinylpyridine (QPVP) thin films doped with copper phthalocyaninetetrasulfonate (CuPcTS), 4th ASEAN Science and Techology Week Materials Science and Technology, Bangkok, Thailand
• Free radical production during redox transitions of diaziquone (anticancer drug), Chemistry Congress, Marawi City, (Program of the 4th Regional KKP-ICP (Regions X/XII)
• Photoelectrochemistry of H2- and Zn-based Sulfophthalocyanines in a ion-exchange polymer blend, 2nd ANAIC International Conference, Kuala Lumpur, Malaysia
• Photosenitization of SnO2 by Polyaniline doped with copper phthalocyanine tetrasulfonate, 12th Chemistry Congress, Sarabia Manor Hotel, Iloilo City
• Dye Sensitization of Metal Oxide Semiconductors, 10th Philippine Chemistry Congress, Tagaytay City

Awards:

• Scholar of the Year, Philippine Benevolent and Scholarship Society of Quebec, Montreal, Canada, 1985
• Natural Science and Engineering Research Council of Canada, Summer Industrial Award at Molson's Ltd. of Canada, 1983
• Natural Science and Engineering Research Council of Canada Summer Industrial Award, Pulp and Paper Research Institute of Canada, 1982
• Outstanding Young Scientist Award (Chemistry), NAST-DOST, 2000