Affiliation: | 1. Deparment of Chemistry and Polymer Science, University of Stellenbosch, Private Bag X1, Matieland, 7602, South Africa;2. UNESCO Associated Centre for Macromolecules & Materials University of Stellenbosch, Chemistry & Polymer Science Department, Private Bag X1, Matieland, 7602, South Africa Fax: +27(21) 808-4967 |