1. Department of Botany, Bishop Heber College, Affiliated to Bharathidasan University, Trichy 620017, Tamil Nadu, India
2. Centro de Investigaciòn de Polimeros Avanzados (CIPA), Avendia Collao 1202, Edificio de Laboratorios de CIPA, Concepciòn, Chile
3. KIRND Institute of Research and Development PVT LTD, Tiruchirappalli 620020, Tamil Nadu, India
4. PG and Research Department of Physics, Jamal Mohamed College (Affiliated to Bharathidasan University), Tiruchirappalli, Tamil Nadu, 620 020, India
5. Department of Zoology, Fatima College, Madurai 625001, Tamil Nadu, India
6. Institute of NanoEngineering Research (INER), Department of Chemical, Metallurgical & Materials Engineering (Polymer Division), Tshwane University of Technology, Pretoria West Campus, Staatsarillerie Rd, Pretoria, 1083, South Africa