1. School of Environmental Sciences; Mahatma Gandhi University; Priyadarsini Hills Kottayam Kerala India
2. Laboratory of Analytical Chemistry and Experimental Toxicology; University Paris Descartes; Paris France
3. Department of Chemistry; Pohang University of Science and Technology (POSTECH); Pohang 790-784 Republic of Korea
4. Advanced Centre of Environmental Studies and Sustainable Development (ACESSD); Mahatma Gandhi University; Priyadarsini Hills Kottayam Kerala India
5. Department of Chemistry; N.S.S. Hindu College; Changanachery Kerala India
6. Inter University Instrumentation Centre (IUIC); Mahatma Gandhi University; Priyadarsini Hills Kottayam Kerala India