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December 2020

MEAM Seminar: “’Smart’ Biodegradable Polymer at Nano and Micro Scales for Medical Applications”

December 1 at 10:30 AM - 12:00 PM
Zoom – Email MEAM for Link, peterlit@seas.upenn.edu

The ability to transform medical polymers, commonly used for resorbable surgical sutures, into desired 3D forms/shapes/structures at nano and micro scales with “smart” functions, while sustaining the materials’ excellent biocompatibility and biodegradability, provides significant applications in different biomedical fields, ranging from tissue engineering and controlled drug/vaccine delivery to medical devices. Here, I will present our recent research works to create 3D microstructures of biodegradable polymers for developing single-administered vaccines, and convert the biopolymers into “smart” piezoelectric nanomaterials, which can generate…

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MEAM Seminar: “Bridging Physical Models and Observational Data with Physics-informed Deep Learning”

December 8 at 10:30 AM - 12:00 PM
Zoom – Email MEAM for Link, peterlit@seas.upenn.edu

Physical models of many natural and engineered systems are, at best, only partially known; a common setting under which classical analytical or computational tools inevitably face challenges and introduce many sources of uncertainty. Therefore, observational data plays a crucial role, yet our ability to collect them far outpaces our ability to sensibly assimilate it, let alone understand it. Despite their towering empirical success, machine learning approaches are not currently able to extract interpretable information and knowledge from this data deluge.…

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