Institution: | 1. Department of Chemistry, Quaid-i-Azam University, Islamabad-45320, Pakistan;2. Department of Chemistry, Allama Iqbal Open University, H/8, Islamabad, Pakistan;3. Department of Biochemistry, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, Pakistan;4. Institute of Physics, University of Neuchatel, Rue Emile-Argand 11, CH-2009 Neuchatel, Switzerland |