| Affiliation: | 1. Department of Chemical Engineering, Laval University, Quebec, Canada G1K 7P4;2. National Centre for Nano‐Structured Materials, Council for Scientific and Industrial Research, PO Box 395, Pretoria 0001, Republic of South Africa;3. Suprakas Sinha Ray, National Centre for Nano‐Structured Materials, Council for Scientific and Industrial Research, PO Box 395, Pretoria 0001, Republic of South Africa. Fax: +27 12 841 2135;4. Mosto Bousmina, Department of Chemical Engineering, Laval University, Quebec, Canada G1K 7P4 |
