Scientist Profile

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Leonorina G. Cada

Outstanding Young Scientist (1997)

Expertise: Chemistry, Synthesis and Characterization of Liquid Crystals and Liquid Crystals Polymers, Structure Modification of Functionalized Polymers, Controlled-Release Formulations

Dr. Leorina Cada is recognized for her significant studies on the science and technology of liquid crystals with high commercial applications in instrumentation for various purposes and in medicine. She has placed the Philippines on the map of scientists working on the chemistry of liquid crystals.

Affiliation

Assistant Professor VI, Institute of Chemistry, University of the Philippines, Diliman, Quezon City

Association

    • Philippine Association for the Advancement of Science, Member
    • National Research Council of the Philippines, Associate Member
    • Kapisanan ng mga Kimiko sa Pilipinas (KKP), Member
    • International Liquid Crystal Society, Member
    • International Liquid Crystal Society, Member

Employment

    • Institute of Chemistry, University of the Philippines, Diliman, Quezon City, Assistant Professor III, 1993
    • Institute of Chemistry, Univerity of the Philippines, Diliman, Quezon City, Instructor V, 1989
    • Institute of Chemistry, University of the Philippines, Diliman, Quezon City, Instructor III, 1985
    • Department of Chemistry, University of the Philippines, Diliman, Quezon City, Instructor I, 1982
    • NASB, University of the Philippines, Diliman, Quezon City, Research Assistant, 1980
    • ,

Award

    • Science Research Foundation Professorial Chair, UPD, 1995-1996
    • Faculty Grant Award, UPD, 1994
    • Most Outstanding PhD Graduate, College of Science, UPD, 1994
    • JSPS-DOST, Tokyo University of Agriculture Exchange Scientist and Technolgy Higashi Koganei, Tokyo, Japan, 1994
    • Visiting Scientist, Liquid Crystal Institute Kent State University, Kent Ohio, USA, 1991-1993
    • UP-DLSU-ADMU Consortium Fellowship, UPD, 1988-1989
    • UP Faculty Local Fellowship, UPD, 1988-1989
    • NAST-TWAS Science Prize Award (Chemistry), Nast-TWAS, 1999
    • Outstanding Young Scientist Award (Chemistry), NAST-DOST, 1997

Research

    • Synthesis of liquid crystalline epoxy resins and a study of its curing kinetics with a diammine. [ON-GOING]
    • Synthesis of liquid-crystalline siloxanes as fixed wavelength filter for flat-panel displays. [ON-GOING]
    • Thermochromic formulations based on cholesteryl esters derived from coco-fatty acids. [ON-GOING]
    • Thermochromic liquid crystals [ON-GOING]
    • Technological development of processes to produce (s)-(+)-ibuprofen in high enantiomeric excess from the racemate using functionalized polymers. [ON-GOING]

Education

    • University of the Philippines Diliman, Quezon City, BS Chemistry, 1980
    • University of the Philippines Diliman, Quezon City, PhD. Chemistry (Most Outstanding PhD Graduate), 1993

Publication

    • Chiu, H. Zhou, Z. Cada, L., (1996) Phase digrams and phase separation dynamics in mixtures of side chain liquid crystalline polymers and low mlar mass liquid crystals.
    • Macromolecules
    • Cada, L., (1995) Side chain liquid crystalline polymers and their thermo-electro-optical applications
    • Kimika Volume 11
    • Chien, L.C. Cada, L.G., (1994) Photo-cross-linkable and optically active side chain liquid crystalline copolymers
    • Macromolecules Volume 27
    • Cada, L.G. Chien, L.C., (1994) Anisotropic binders for polymer/liquid crystal dispersions.
    • Macromol. Chem, Phys. Volume 195
    • Chien, L.C. Cada, L.G. Xie, L., (1993) Liquid-crystalline behavior of 4-(@-amino-akyloxy)-4'-cyanobi-phenyls and their sidechain epoxy polymers.
    • Liquid Crystals Volume 12, No. (5):
    • Cada, L.G. Chien, L.C., (1993) Synthesis and Meso-morphic properties of epoxy- and siloxane-based side-chain polymers.
    • Proceedings of the JSPS-DOST Seminar on Materials Science Volume 129
    • Cada, L.G. Chien, L.C., (1993) Photocrosslinkable and optically active side-chain liquid-crystalline copolymers.
    • Polymers Preprints Volume 34, No. (2):
    • Chien, L.C. Cada, L.G., (1992) Anisotropic binders for polymer/liquid-crystal dispersions
    • SID International Symposium Proceedings
    • Cada, L.G. Xie, L. Chien. L.C., (1992) Synthesis anf properties of side-chain liquid crystalline epoxy polymers
    • Polymer Preprints Volume 33, No. (1):
    • Chien, L.C. Cada, L.G., () Photocrosslinkable chiral smectic c side-chain copolymers.
    • Abstract of the 15th International Liquid Crystalline Conference, Budapest, Hungary Volume 1
    • de Mundo, F.R. Tamayo, T.A. Cada, L.G. Yaya, R.S., (2002) A molecularly imprinted polymer stationery phase for chiral separation of ofloxacin by thin layer chromatography and solid phase extraction.
    • Harnessing Science and Technology to Meet the Global Challenge
    • Cada, L.G. Dela Merced, M.S. Domingo, Z.B. Matias, R., (1998) Lyotropic liquid crystal phases of erythrocyte ghosts
    • Proc., 13th Philippine Chemistry Congress
    • Cada, L.G . Gozon, J. Laag, M. Descallar, J. Domingo, C., (1998) Phase behavior and electro-optical characteristics of polymer-dispersed cholesteric droplets.
    • Proc.,13th Annual Philippine Chemistry Congress
    • Cada, L.G., (1998) Synthesis of low molar mass and side-chain polymeric liquid crystals.
    • Transactions of the National Academy of Science and Technology Volume 20
    • Cada, L.G. Oliveros, A.L., (1998) Effect of mesogenic pendant groups on the curing of liquid-crystalline epoxy resin.
    • Proc., 14th Philippine Chemistry Congress