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CBE Seminar: “Optimizing Work and Heat flows in Sustainable Chemical Processes Using Attainable Regions” (Diane Hildebrandt, Rutgers University)

Wu and Chen Auditorium (Room 101), Levine Hall 3330 Walnut Street, Philadelphia, PA, United States

Abstract: A chemical process transforms feed materials into desired products, necessitating the exchange of heat and work between the process and the environment. Optimizing process performance requires careful selection of chemical pathways, process parameters, and heat/workflows. The reversible process sets the upper-performance limit for sustainable design, thereby setting a target for process design. We propose […]

CBE Seminar: “Backbone Modifications in Peptide Natural Products” (James Link, Princeton University)

Wu and Chen Auditorium (Room 101), Levine Hall 3330 Walnut Street, Philadelphia, PA, United States

Abstract: The posttranslational modifications (PTMs) in RiPPs (ribosomally synthesized and post-translationally modified peptides) dictate their 3D structure and their bioactivity. An underlying structural feature of many RiPPs is macrocyclization, installed by a growing number of different enzymatic strategies. Another common class of PTM in RiPPs is backbone modification, such as the formation of thiazol(in)es and […]

CBE Doctoral Dissertation Defense: “Scaling Mineral Carbonation and Critical Mineral Recovery in Mining Waste: Process Engineering, Techno-Economics, and Public Policy” (Katherine Vaz Gomes)

Room 35, Singh Center for Nanotechnology 3205 Walnut Street, Philadelphia, PA, United States

Abstract: The growing need to secure critical minerals for clean energy technologies, alongside the urgency to mitigate climate change, presents a unique opportunity to combine mineral recovery with carbon sequestration. This dissertation explores the potential of mine tailings as a dual-purpose feedstock, enabling both the extraction of critical minerals and the storage of CO₂ through […]

CBE Seminar: “AI-Guided Closed-Loop Discovery of Photostable Light-Harvesting Molecules” (Charles Schroeder, UIUC)

Wu & Chen Auditorium

Abstract: AI--guided closed-loop experimentation has recently emerged as a promising method to optimize functional properties in materials discovery. However, achieving the full potential of this approach in the chemical sciences requires new methods to efficiently access large chemical spaces. In this talk, I will discuss a closed-loop approach combining automated synthesis, materials characterization, and AI-guided […]

Tedori-Callinan Distinguished Lecture: “Novel Passive and Active Approaches to Fluid Friction Reduction using Polymers & Plastrons”

Wu and Chen Auditorium (Room 101), Levine Hall 3330 Walnut Street, Philadelphia, PA, United States

When a superhydrophobic (SH) textured surface is immersed in water it traps a thin shiny layer of air within the texture that is known as a plastron. Contact line pinning stabilizes this Cassie-Baxter state and the patches of air trapped in the texture can act as shear-free regions that locally lower the frictional dissipation. Recent […]

CBE Seminar: “Scalable Access to the Hidden Topologies of Biology” (Albert Keung, North Carolina State University)

Wu and Chen Auditorium (Room 101), Levine Hall 3330 Walnut Street, Philadelphia, PA, United States

Abstract: Biology is characterized by a diversity of phenotypes and functions that outpace the limited molecular diversity encoded in genomes. How this is achieved is a fundamental and enduring mystery of the cell. It is clear that networks defining how biological molecules interact can drive diverse and complex phenotypes, but the intermolecular interactions or edges […]

CBE Doctoral Dissertation Defense: “Utilization of Atomic Layer Deposition for Heterogeneous Catalysis in Biomass Upgrading Applications” (Mengjie Fan)

Raisler Lounge (Room 225), Towne Building 220 South 33rd Street, Philadelphia, PA, United States

Abstract: The need for sustainable energy sources has intensified interest in biomass upgrading, where biomass-derived feedstocks are transformed into fuels and valuable chemicals. A major challenge in biomass upgrading is the development of highly active, selective, and stable catalysts for complex reactions. Traditional synthesis methods often result in heterogeneous catalysts with poor dispersion of active […]

CBE Seminar: “Creating a New Circular Carbon Economy via Carbon Capture, Utilization and Storage” (Alissa Park, UCLA)

Wu and Chen Auditorium (Room 101), Levine Hall 3330 Walnut Street, Philadelphia, PA, United States

Abstract: To meet the ever-increasing global energy demands while addressing climate change, the development of carbon capture, utilization and storage (CCUS) technologies is one of the critical needs. In particular, there have been significant efforts to develop innovative CO 2 capture materials and CO 2 conversion technologies to create a new circular carbon economy based […]

MSE Seminar: “Single Metal Site Catalysts for Sustainable and Clean Hydrogen Energy”

Wu and Chen Auditorium (Room 101), Levine Hall 3330 Walnut Street, Philadelphia, PA, United States

Fossil fuels have been overwhelmingly used in many industry sectors in past decades, causing significant CO2 and other pollutant emissions, low efficiency, and nonsustainability. Clean and efficient energy storage and conversion via electrochemical reactions associated with hydrogen, oxygen, and water have attracted substantial attention for energy and environmental sustainability. Among compelling energy technologies, hydrogen proton […]

CBE Doctoral Dissertation Defense: “Engineering Biomolecular Condensates: Insights Into Catalytic Activities and Structural Design” (Muyang Guan)

https://upenn.zoom.us/j/96301746733

Abstract: Eukaryotic cells orchestrate cellular processes through spatiotemporal organization achieved by compartmentalization. Biomolecular condensates, formed via liquid-liquid phase separation (LLPS), serve as vital hubs for enzymatic reactions and mediate cellular functions. To investigate catalytic activities within biomolecular condensates, a light-emitting enzyme (NanoLuc) was incorporated into LAF-1 RGG model condensates. Incorporation into condensates led to a […]