1. Department of Chemistry; Thiagarajar College; Madurai 625009 India
2. Department of Microbiology and Immunology, Institute of Biomedical Sciences, College of Health Science; Mekelle University; Mekelle 1871 Ethiopia
3. Department of Biotechnology, Faculty of Biological Sciences; Quaid-i-Azam University; Islamabad 45320 Pakistan
4. Department of Pharmaceutical Biotechnology, School of Pharmacy; Shahid Beheshti University of Medical Sciences; Tehran 19166 Iran