Prof. Dr. Rahmi, S.Si., M.Si. is a Professor of Physical Chemistry at Syiah Kuala University and Head of the Physical Chemistry Laboratory, with extensive expertise in biopolymers, nanocomposites, and green materials. Her research focuses on the development of sustainable materials for environmental remediation, including biobased adsorbents, polymer composites, and membrane technologies. With a strong academic background and long-standing experience in teaching and research, she has led numerous projects and contributed significantly to advancing environmentally friendly materials and applications in chemistry.