1. Environmental Microbiology and Biotechnology Unit, Department of Microbiology, Faculty of Biological Sciences, University of Calabar, Calabar, Nigeria
2. University of Calabar Collection of Microorganisms (UCCM), University of Calabar, Calabar, Nigeria
3. Department of Physics, Faculty of Physical Sciences, University of Calabar, Calabar, Nigeria
4. Department of Chemical Engineering, Faculty of Engineering, University of Benin, Benin-City, Nigeria
5. Department of Chemical Engineering, Faculty of Industrial Technology, Universitas Pembangunan Nasional “Veteran” Yogyakarta, Yogyakarta, Indonesia