1. Department of Biological Sciences; North-West University; Mmabatho Republic of South Africa
2. Department of Chemical; Metallurgical and Materials Engineering; Tshwane University of Technology; Pretoria South Africa
3. Department of Chemistry; University of Fort Hare; Eastern Cape South Africa
4. Department of Textile and Polymer Science & Technology; Yaba College of Technology; Lagos Nigeria
5. Center for Advanced Polymer Research; CIPA; Concepción Chile