Email: sujatha@chem.cmb.ac.lk

    Phone: (9411) 2503 367

    Fax : (9411) 2503 148

    Office: 103

Academic Record:

• Ph. D. University of New Castle, UK.

• B.Sc. (Special in Chemistry), University of Colombo, Sri Lanka.

Research Interests:

• Synthesis of metal complexes

• Supramolecular Chemistry 

• Chemometrics

Publications:

1.  Preparations and Characterisation of Edible Soya Protein Films: Duminda Shiromali Liyanage, Mangala Tilekaratne and Sujatha Hewage.

    J. Natn. Sci.  Foundation Sri Lanka 2001 29(3&4):137-145.

2. Solution Equilibria of Enantiopure Helicates: The role of concentration, Solvent and Stacking Interactions in Self-Assembly, Christophe Provent,

    Elisabeth Rivara-Minten, Sujatha Hewage, Gerhard Brunner and Alan F, Williams, Chem. Eur. J., 1999, 5, No, 12, 3487.

3. Enantioselective Formation of Double and Triple Helicates of Silver (I): The Role of Stacking Interactions, Christophe Provent, Sujatha Hewage,

    Guy Brand, Gerald Bernardinelli, Loic J. Charbonniere, and Alan F. Williams, Angew. Chem. Int. Ed, Engl., 1997, 36, No. 12, 1287.

4. First Example of a Mixed-Ligand Bimetallic (Fe-Fe) N-Bridged Dimer: (Nitrdo) (tetraphenylporphyrinato) iron)-(pthalocyaninato) iron, C. Ercolani,

    S. Hewage, R. Heucher, and G. Rossi, Inorganic Chemistry, 1993, 32, 2975.

5.  A Contribution to the Determination of Hydroxy groups in Oligomers: Sujatha Hewage, Budimir Veruovic, Scientific Papers of the Prague Institute

    of Chemical Technology, S 9/1983. Polymers-Chemistry, Properties and Processing.

6. Redistribution of Some Transition Metal Compounds. Part IV, Kinetics of Salicylaldimene Exchange between Zinc (II) and Square-Planar Nickel (II)

    with Paramagnetic Intermediate, J. Richard Blackborow, Sujatha Kanunaratne, Joyce C. Lockhart, and M.N. Stuart Hill, J. Chem. Research (S), 1979, 93.

    J. Chem. Research (M) 1979, 1264-1272.

7. Redistribution Reactions of Some Transition-Metal Chelate Complexes. Part III, Exchange in the Zinc Salicylaldimine Series, J. Blackborow,

    Sujatha Karunaratne, Joyce C. Lockhart and M. N. Stuart Hill, J. Chem. Research, 1978, 119, J. Chem. Research (M), 1978, 1737-1745.

8. Bridging Intermediates in a Redistribution Reaction of Some Metal Chelates., M. N. S. Hill, S. Karunaratne, and J. C. Lockhart, J. C. S. Chem. Comm.,

    1973, 50.

Communications :

1.     Designing a Water Quality Index for Kesbewa Lake, H. S. Wijethunge, S. Hewage, Proceedings of the Seventh Annual Forestry and Environment Symposium, 2001., 28.

2.     Designing a Water Quality Index for Nigombo Lagoon, R. S. de Silva,  S. Hewage, K. M. Nalin. de Silva,  Proc. Sri Lanka Assoc. Adv. Sci., 2000, 56, 256. 

3.     Aquatic Plants as Indicators of Heavy metal Pollution, D. S. N. A. Nakandala, E. A. D. P. Edirisinghe, S. Hewage, Proc. Sri Lanka Assoc. Adv. Sci., 1999, 55, 239.

4.     A new Household defluoridator with Zeolite as a defluoridating ageny, E. A. D. P. Edirisighe, S. S. K. de Silva, S. Hewage, Proc. Sri Lanka Assoc. Adv. Sic., 1999, 55, 237.

5.     Studies on some selected aquatic plants for heavy metal pollution, F. Sabar, E. A. D. P. Edirisinghe, S Hewage, Proc. Sri Lanka Assoc. Adv. Sci., 1998, 54, 297.

6.     A search for aquatic plants for heavy metal pollution control, M. Somasunderam, E. A. D. P. Edirisinghe, S. Hewage, Proc. Sri Lanka Assoc. Adv. Sci., 1998, 57, 296.

7.     Application of plasma desorption mass spectrometry in the study of Schiff base metal complexes, D. D. N. Barlo Daya, A. M. S. M. Nugegoda, T. R. Ariyaratne, W. I. N de Silva, S. Hewage, Proc. Sri Lanka Assoc. Adv. Sci., 1998, 57, 286.

8.     Locally made colorimeters for education, S. Liyanaratne, M. Karunarathne, I. M. N. Fernando, S. Hewage, S. A. Fernando, Proc. Sri Lanka Assoc. Adv. Sci., 1998, 57, 269.

9.     Use of a dolomite as a building material, H.D. Gunewardhana, Sujatha Hewage, P. P. S. P. Dias, Proc. Institute of Chemistry, Ceylon 9 (1), 8 (1980).

Patents:

1. Preparation of a microbe and fungal resistant edible/biodegradable thin film from defatted cowpea and method of preparation of such film.

Date- 24.02.2003

Patent Number-12883

Dr. Sujatha Hewage, Duminda Shiromalee Liyanage.

2. Preparation of Biodegradable thin film from Soya protein isolate and a method of preparation of such films.

Date- 29.10.1999

Patent Number- 11795

            Dr. Sujatha Hewage, Duminda Shiromalee Liyanage.

3. Preparation of a microbe and fungal resistant edible/biodegradable thin film from Isolated Soy Protein.

Date- 26.06.2002

Patent Number-12661

Dr. Sujatha Hewage, Duminda Shiromalee Liyanage.