Email: sd@chem.cmb.ac.lk

    Phone: (9411) 2503 367

    Fax : (9411) 2503 148

    Office: 110

Academic Record:

• Ph.D. Dalhousie University, Halifax, Canada - 1984.

• B.Sc. (Special in Chemistry, First Class), University of Colombo, Sri Lanka - 1978.

Research Interests:

• Isolation of Bioactive constituents from Sri Lankan Medicinal Plants

• Inhibitors of Beta lactamase (enzyme that deactivates Beta-Lactam antibiotics)

Research Publications:

(i) Beta-Secondary and Solvent Deuterium Kinetic Isotope effects and Mechanisms of Base- and Acid-Catalyzed Hydrolysis of Penicillanic acid, S.A. Deraniyagala, S.A, Adediran and R.F. Pratt, The Journal of Organic Chemistry (1995), 60, 1619.

(ii) Beta-Secondary and Solvent Deuterium Kinetic Isotope Effects on  Beta-Lactamase Catalysis,  S.A. Adediran, S.A. Deraniyagala, Yang Xu and   R.F.Pratt, Biochemistry (1996), 35, 3604.

(iii) Antifungal Activity of Barringtonia  Ceylanica Bark Extract, G.W.R.M.C Palanakumbura, R.L.C. Wijesundera. A.S. Amarasekera and S.A.Deraniyagala, Journal of the National Science Council of Sri Lanla. (1996),  24(4), 27.

(iv) Antifungal Activity  of Ficus racemosa Leaf Extract and Isolation of  the Active compound, S.A. Deraniyagala, R.L.C. Wijesundera and O.V.D.S.J Weerasena, Journal of the National Science Council of Sri Lanla (1998),  26(1), 19.

(v) Antifungal activity studies of  Gordonia Dassanayakei,  P.S. Athukoralage, H.M.T.B. Herath, S.A. Deraniyagala, R.L.C. Wijesundera and P.A. Weerasinghe, Fitoterapia (2001), 72(5), 565-567.

Research Communications:

(i) Terpenoids and Steroids of Gordonia Ceylanica and  Gordonia Dassanayakei,  P.S. Athukoralage, H.M.T.B. Herath and S.A. Deraniyagala, Proc. Sri Lanka Assoc. Advmt. Sci. (1999), 55(1),220.

(ii) An Anti-MRSA Isoflavonoid from Derris Scandens,  E. Dilip de Silva, S.A. Deraniyagala and Asanga D  Ranasinghe, Proceedings of the Annual Sessions of the Institute of Chemistry, Ceylon, 2000, 17(2), 34 .

(iii)  Antifungal constituents from Gordonia Dassanayakei,  P.S. Athukoralage, H.M.T.B. Herath and S.A. Deraniyagala,   and R.L.C. Wijesundera , Proc. Sri Lanka Assoc. Advmt. Sci. (2000), 56(1), 255.

(iv) Phenolic compounds from Heliotropium indicum, E. Dilip de Silva, S.A. Deraniyagala and D Gomika   Udugamasooriya, Proceedings of the Annual Sessions of the Institute of Chemistry, Ceylon, (2001), 18(2), 24 .

Monographs:

• Chemical and Biochemical Aspects of Beta-Lactam Antibiotics, S.A.Deraniyagala  (2000), ISBN 955-9021-23-0, Funded by a Grant (AP/3/2) form the University of Colombo.

• Enzyme Kinetics and Catalysis, S. A Deraniyagala  (2000), ISBN 955-9244-24410, Published by the Institute of Chemistry, Ceylon.

• Ficus benghalensis, S.A. Deraniyagala and R.L.C. Wijesundera (2001), ISBN 955-590-020-9, Accepted for publication by National Science Foundation, Sri Lanka