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    • ASSET Seminar: “Inherent Interpretability via Language Model Guided Bottleneck Design” (Mark Yatskar, Penn)

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    Levine 307 3330 Walnut Street, Philadelphia, PA, United States

    ABSTRACT: As deep learning systems improve, their applicability to critical domains is hampered because of a lack of transparency. Post-hoc explanations attempt to address this concern but they provide no guarantee of faithfulness to the model’s computations. Inherently interpretable models are an alternative but such models are often considered to be too simple to perform […]

    CBE Doctoral Dissertation: “A Multiscale Computational Framework for Simulating Thrombus Growth Under Flow” (Kaushik Shankar)

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    Room 534 A Wing, 3401 Walnut 3401 Walnut Street, Philadelphia, PA, United States

    Abstract: Modeling thrombus growth in pathological flows allows evaluation of risk under patient-specific pharmacological, hematological, and hemodynamical conditions. To this end, we have developed a 3D multiscale framework for the prediction of thrombus growth under flow on a spatially resolved surface presenting collagen and tissue factor (TF). The multiscale framework is composed of four coupled […]

    Fall 2023 GRASP SFI: Xiaolong Wang, University of California San Diego, “Generalizable Geometric Robot Learning”

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    Levine 307 3330 Walnut Street, Philadelphia, PA, United States

    This is a hybrid event with in-person attendance in Levine 307 and virtual attendance on Zoom. ABSTRACT Robot learning has witnessed significant progress in terms of generalization recently, with the help of data-driven learning and image/text foundation models. While these achievements are encouraging, most tasks conducted in this context are relatively simple (e.g., pick-and-place with a […]

    CBE Seminar: “Revolutionizing Bioimaging to Elevate Human Health”

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

    Holistic imaging of diverse functional, anatomical, and molecular architecture that span multiple levels, from cells to an entire system, remains a major challenge in biology. In this talk, I will introduce a series of technologies that enable integrated multiscale imaging and molecular phenotyping of both animal tissues and human clinical samples. I will discuss how […]

    MSE Seminar: “Aluminum Scandium Nitride Thin Films and Microdevices for Radio Frequency Filters and Magnetoelectric Sensors”

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

    Aluminum Nitride (AlN) is a well-established thin film piezoelectric material. AlN bulk acoustic wave (BAW) radio frequency (RF) filters were one of the key innovations that enabled the 3G and 4G smart phone revolution. Recently, the substitutional doping of scandium (Sc) for aluminum (Al) to form aluminum scandium nitride (AlScN) has been studied to significantly […]

    ESE Fall Seminar – “Electromagnetics for advanced power electronics and wireless power transfer”

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    Glandt Forum, Singh Center for Nanotechnology 3205 Walnut Street, Philadelphia, PA, United States

    Power electronics is an essential enabler for efficient energy utilization across many different applications as well for renewable electricity generation.  Advances in power semiconductor materials and devices are improving power electronics capabilities, but power electronics also relies heavily on passive electromagnetic components---inductors, transformers, and capacitors.  The capabilities of these components are increasingly the bottlenecks limiting […]

    BE Doctoral Dissertation Defense: “A robotic system for automated genetics of Caenorhabditis elegans” (John Zihao Li)

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    Greenberg Lounge (Room 114), Skirkanich Hall 210 South 33rd Street, Philadelphia, PA, United States

    The Department of Bioengineering at the University of Pennsylvania and Dr. Christopher Fang-Yen are pleased to announce the Doctoral Dissertation Defense of John Zihao Li. Title: A robotic system for automated genetics of Caenorhabditis elegans. Date: Thursday, November 30, 2023 Time: 2:00pm Location: Greenberg Lounge, 114 Skirkanich Hall Zoom Option: https://upenn.zoom.us/j/5692069917?pwd=M2tmSnV5QnZxakx5QVhLd0VDR2YzQT09 Meeting ID: 569 206 9917 Passcode: […]

    CIS Seminar: “Diffusion Models in Computer Vision”

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

    Denoising diffusion models represent a recent emerging topic in computer vision, demonstrating impressive results in generative modeling. A diffusion model is a deep generative model that is based on two stages, a forward diffusion stage and a reverse diffusion stage. In the forward diffusion stage, the input data is gradually perturbed over several steps by […]

    • CBE Doctoral Dissertation: “Understanding and Controlling Polymer-Porous Solid Interactions for Catalytic Recycling of Polymers” (Tian Ren)

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    Berger Auditorium (Room 13), Skirkanich Hall 210 South 33rd Street, Philadelphia, PA, United States

    Abstract: Understanding and controlling polymer-solid interactions is critical for optimizing the catalytic processes involved in polymer upcycling. In this Ph.D. thesis, I explored the intricacies of polymer behavior in nanoporous materials by monitoring the capillary infiltration dynamics of polystyrene (PS) and polyethylene (PE) into random packings of silica nanoparticles. To test the effect of surface […]

    PRECISE Seminar: Protecting Health Care & Cyberphysical Systems – Wicked Bizarre Semiconductor Physics of Sensor Security

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    Levine 307 3330 Walnut Street, Philadelphia, PA, United States

    Medical devices, healthcare delivery, and other cyber-physical systems depend on sensors to make safety-critical, automated decisions. My research lab investigates the problem of how to protect cyber-physical systems from adversaries who can maliciously control sensor output by subverting its semiconductor physics. Finding principled, systematic solutions is extremely important to give consumers confidence in innovative medical […]

    Fall 2023 GRASP on Robotics: Nancy Amato, University of Illinois at Urbana-Champaign, “Sampling-Based Task and Motion Planning: From Robotic Manipulators to Intelligent CAD to Analyzing Proteins”

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

    This is a hybrid event with in-person attendance in Wu and Chen and virtual attendance on Zoom. ABSTRACT Task and motion planning has application in robotics, animation, virtual prototyping and training, and even for seemingly unrelated tasks such as evaluating architectural plans or simulating protein motions. Surprisingly, sampling-based methods have proven effective on problems from all […]

    BE Doctoral Dissertation: “Piezo1 regulation of muscle stem cell heterogeneity and function and skeletal muscle generation” (Nuoying Ma)

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    CRB Auditorium 415 Curie Boulevard, Philadelphia, PA, United States

    The Department of Bioengineering at the University of Pennsylvania and Dr. Foteini Mourkioti are pleased to announce the Doctoral Dissertation Defense of Nuoying Ma. Title: Piezo1 regulation of muscle stem cell heterogeneity and function and skeletal muscle generation. Date: Monday, December 4, 2023 Time: 9:30AM Location: CRB Austrian Auditorium Zoom link: https://us06web.zoom.us/j/81956870491?pwd=Q3GuaOdgeYeTAdMFzHuYVYsvBR24nb.1 The public is welcome […]