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

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 […]

CIS Seminar: “Challenges of Incorporating Algorithms into Decision Making: Fairness, Welfare and Disparate Interactions”

Zoom - Email CIS for link cherylh@cis.upenn.edu

Algorithms have entered the center of many decision making processes, either by providing predictions or assessments to facilitate human decision making or, in some scenarios, suggesting decisions directly. More and more attention has been placed to ensure algorithms satisfy some desirable notion of fairness, which is an important step forward. In this talk, I will […]

Doctoral Dissertation: “Biomechanical & Biochemical Contributions of Matrix Metalloproteinases in Joint Pain: Models, Mechanisms & Patients”

The Department of Bioengineering at the University of Pennsylvania and Dr. Beth Winkelstein are pleased to announce the Doctoral Dissertation Defense of Meagan Ita.   Title: "Biomechanical & Biochemical Contributions of Matrix Metalloproteinases in Joint Pain: Models, Mechanisms & Patients" Join Zoom Meeting https://upenn.zoom.us/j/92269228349 Meeting ID: 922 6922 8349

PICS Colloquium: “Swarming bacteria as novel active biomaterials – insights into the collective mechanics, particle transport and morphological adaptation in swarming bacteria from in-silico experiments”

Abstract: Flagellated and motile bacteria, in isolation or in coexistence with fungi, are implicated in about two-thirds of human infections. During infection, and generally even in relatively benign situations, bacteria may colonize surfaces via a process called swarming – a form of rapid translocation associated with changes in cell phenotype.  As swarmer cells move rapidly, they interact […]

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

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 […]

CBE Seminar: “Bio-inspired Pathways to Manipulating Architecture and Mechanics in Polymeric Materials”

Zoom - Email CBE for link

Abstract Fiber constructs are prevalent in natural systems, from collagen fiber networks in tendon to tough, spider silk fibers. Recent innovations in multilayer co-extrusion technology have translated to the fabrication of melt-extruded fiber-reinforced composites, reminiscent of the nanoscale features of the Brown Recluse Spider. Distinct advantages of this modular approach over other traditional techniques include […]

ESE Seminar: “The Role of Explicit Regularization in Overparameterized Neural Networks”

Zoom - Email ESE for Link jbatter@seas.upenn.edu

Overparameterized neural networks have proved to be remarkably successful in many complex tasks such as image classification and deep reinforcement learning. In this talk, we will consider the role of explicit regularization in training overparameterized neural networks. Specifically, we consider ReLU networks and show that the landscape of commonly used regularized loss functions have the […]