The Department of Polymer Science recently hosted a distinguished guest lecture by Dr. Jayantha Amarasekara, a leading consultant to the US chemical industry, titled “Mastering the Polymer Challenge.” The session served as a critical platform for students and researchers to re-examine the role of polymers in a sustainable future, moving beyond the “plastic guilt” often found in popular media toward a more nuanced, empirical understanding of material science. By framing the discussion around the complexities of global sustainability, Dr. Amarasekara inspired a refreshed perspective on the responsibility of future material scientists to balance high-performance material utility with environmental stewardship.

Key Themes in Material Sustainability

The lecture centered on the critical intersection of material science and environmental health, emphasizing the need to replace emotional narratives with rigorous, data-driven Lifecycle Assessments (LCA). A primary theme was the “carbon invisibility” of non-polymer alternatives, highlighting how the lightweight nature and low processing temperatures of plastics often result in a significantly smaller total carbon footprint compared to energy-intensive materials like glass or metal. Furthermore, the discussion explored the concept of material efficiency, illustrating how the high-performance capabilities of polymers allow for maximum protection with minimal mass—a vital factor in reducing global resource waste. Ultimately, the session advocated for a shift toward a Circular Economy, framing the “Polymer Challenge” not as a mandate for eradication, but as a call for innovation in chemical recycling and design to ensure these essential materials are managed responsibly throughout their entire lifespan.

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A Guest Lecture on “Targeting Host Pathways for Dengue Treatment” organized by the Department of Immunology and Molecular Medicine will be held on the 2nd of June 2023 from 11.30 am to 12.30pm at the Senate Boardroom of 91´«Ă˝. The Guest lecturer will be Prof. Ashley St. John, PI of the Laboratory of Immunity and Immune Pathology in the Programme in Emerging Infectious Diseases, Duke-NUS Medical School.

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Date: Thursday, 24th November 2022

Time: 3.00- 4.00 pm

Venue: C-1 Lecture Theatre, Dept of Chemistry, FAS

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