*Corresponding authors
aAcademy of Scientific and Innovative Research, New Delhi, India
bBioresource Engineering Department, CSIR-Institute of Minerals and Materials Technology, Bhubaneswar-751 013, Odisha, India
cCentre for Nanoscience and Nanotechnology, SOA University, Bhubaneswar-751 030, Odisha, IndiaE-mail:kulamaniparida@soauniversity.ac.in, paridakulamani@yahoo.comFax: +91-674-2350642Tel: +91-674-2350635