1. Fluorensic Materials Lab, Department of Applied Chemistry, Karunya Institute of Technology and Sciences (Deemed to Be University), Karunya Nagar, Coimbatore 641 114, India
2. Division of Organic Chemistry and Biochemistry, Ruđer Bošković Institute, Bijenička cesta 54, Zagreb 10000, Croatia
3. Department of Physics, Anna University, Chennai 600025, India
4. Department of Microbiology, Bharathidasan University, Tiruchirappalli 620 024, India