Dr Arumugam Kosiha is an Assistant Professor (Research) in the Department of Chemistry at Vels Institute of Science, Technology & Advanced Studies (VISTAS), Chennai, India. She holds a PhD in Chemistry and specialises in functional nanomaterials, metal–organic frameworks (MOFs), chemical sensing and environmental remediation. Her research focuses on developing sustainable MOF-based materials from recycled PET bottles for environmental, biomedical and technological applications. She has expertise in fluorescent and colorimetric sensors, photocatalytic pollutant degradation and energy-storage materials. Her research integrates sustainable materials development, nanotechnology and innovative chemical approaches to address environmental and technological challenges.