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DTSTART;TZID=America/New_York:20240925T150000
DTEND;TZID=America/New_York:20240925T160000
DTSTAMP:20260403T193643
CREATED:20240916T140916Z
LAST-MODIFIED:20240916T140916Z
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SUMMARY:Fall 2024 GRASP SFI: Baxi Chong\, Georgia Institute of Technology\, “Mechanical intelligence in locomotion: from information theory to mesoscale robots”
DESCRIPTION:This will be a hybrid event with in-person attendance in Levine 307 and virtual attendance on Zoom. \nABSTRACT\nLocomotion in complex environments (e.g.\, rubble\, leaf litter\, granular media) is essential to mobile engineered systems such as robots. Effective locomotion requires complex control strategies to interact with terrain heterogeneity. Computational intelligence (CI)\, which typically includes rapid terrain sensing and active feedback controls\, is a widely recognized component in locomotion strategy. Alternatively\, mechanical intelligence (MI) – passive response to environmental perturbation governed by physics laws or mechanical constraints – is an important yet less studied component. In this talk\, I will discuss “why” and “how” MI can contribute to effective locomotion using the examples of multi-legged robots (redundantly segmented bodies with simple legs). For the “why\,” I will quantify a specific MI that emerges from leg redundancy. By modeling locomotion as a stochastic process (analogous to signal transmission over noisy channels)\, I will show that MI\, without any CI\, is sufficient to generate reliable and effective locomotion. To explore the “how\,” I will take a quantitative analogy to signal transmission algorithms (e.g.\, error correcting/detecting codes) and propose a co-design coding scheme for multi-legged locomotion. Specifically\, my talk will cover that (i) additional legs\, with higher control dimensions\, can enable a broader spectrum of capabilities\, including load carrying/pulling\, sidewinding\, rolling\, and obstacle-climbing; (ii) the inclusion of CI (feedback controls) can enhance multi-legged locomotion speed while preserving the feature of robustness; and (iii) CI might reduce the number of redundant legs required to navigate a particular terrain. Finally\, I will discuss the coordination and competition between MI and CI in a broader framework termed Embedded Intelligence (EI) and illustrate the applications of MI-dominated systems in fields like search-and-rescue\, agriculture\, and the development of soft\, micro\, and modular robots.
URL:https://seasevents.nmsdev7.com/event/fall-2024-grasp-sfi-baxi-chong/
LOCATION:Levine 307\, 3330 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Seminar
ORGANIZER;CN="General Robotics%2C Automation%2C Sensing and Perception (GRASP) Lab":MAILTO:grasplab@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20240925T120000
DTEND;TZID=America/New_York:20240925T131500
DTSTAMP:20260403T193643
CREATED:20240709T173551Z
LAST-MODIFIED:20240709T173551Z
UID:10008009-1727265600-1727270100@seasevents.nmsdev7.com
SUMMARY:ASSET Seminar: "Robustness in the Era of LLMs: Jailbreaking Attacks and Defenses"
DESCRIPTION:Abstract: \nDespite efforts to align large language models (LLMs) with human intentions\, popular LLMs such as chatGPT\, Llama\, Claude\, and Gemini are susceptible to jailbreaking attacks\, wherein an adversary fools a targeted LLM into generating objectionable content. For this reason\, interest has grown in improving the robustness of LLMs against such attacks. In this talk\, we review the current state of the jailbreaking literature\, including new questions about robust generalization\, discussions of new black-box attacks on LLMs\, defenses against jailbreaking attacks\, and a new leaderboard to evaluate the robust generalization of production LLMs. \nZoom Link (if unable to attend in-person): https://upenn.zoom.us/j/93335180566
URL:https://seasevents.nmsdev7.com/event/asset-seminar-hamed-hassani-university-of-pennsylvania/
LOCATION:Raisler Lounge (Room 225)\, Towne Building\, 220 South 33rd Street\, Philadelphia\, PA\, 19104\, United States
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20240925T110000
DTEND;TZID=America/New_York:20240925T120000
DTSTAMP:20260403T193643
CREATED:20240821T135416Z
LAST-MODIFIED:20240821T135416Z
UID:10008062-1727262000-1727265600@seasevents.nmsdev7.com
SUMMARY:ESE Fall Seminar - "Power to the People (and to the Datacenters)! Achieving the dream of a clean and reliable electricity supply"
DESCRIPTION:Most of us think of electricity as a clean and reliable source of energy\, which flows out of the plug whenever we need it. The reality is far more complex. The reliability of our electricity supply is increasingly threatened by extreme weather\, causing more frequent power outages. The cleanliness of our electricity supply varies greatly between different locations and hours of the day\, depending on the availability of solar and wind power. \nOur research combines insights from power engineering with tools from linear programming\, stochastic optimization and risk analysis to develop methods that address pressing questions related to our electricity supply. In this talk\, I will present results from two main topics. First\, I will discuss how consumers can reduce their carbon footprint by using electricity where and when low carbon power is available. We will focus on hyperscale data centers as an example\, though the insights apply to anyone consuming electricity (including you and me!). Second\, as an example of extreme weather impacts\, I will discuss the intersection between power grids and wildfires. Specifically\, we will look at how utilities can optimize their operations to minimize both the risk of wildfire ignitions and the extent of power outages.
URL:https://seasevents.nmsdev7.com/event/ese-fall-seminar-title-tbd-12/
LOCATION:Towne 327
CATEGORIES:Colloquium
ORGANIZER;CN="Electrical and Systems Engineering":MAILTO:eseevents@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20240924T153000
DTEND;TZID=America/New_York:20240924T163000
DTSTAMP:20260403T193643
CREATED:20240912T151852Z
LAST-MODIFIED:20240912T151852Z
UID:10008094-1727191800-1727195400@seasevents.nmsdev7.com
SUMMARY:CIS Seminar: "Machine learning for discovery: deciphering RNA splicing logic"
DESCRIPTION:Recent advances in machine learning such as deep learning have led to powerful tools for modeling complex data with high predictive accuracy. However\, the resulting models are typically black box\, limiting their usefulness in scientific discovery. I will describe an “interpretable-by-design” machine learning model capturing a fundamental cellular process known as RNA splicing. Our model provides a systematic understanding of RNA splicing logic\, recapitulating and extending existing domain knowledge. \nThe talk will not assume any prior knowledge\, and should be accessible to a broad audience.
URL:https://seasevents.nmsdev7.com/event/cis-seminar-machine-learning-for-discovery-deciphering-rna-splicing-logic/
LOCATION:Wu and Chen Auditorium (Room 101)\, Levine Hall\, 3330 Walnut Street\, Philadelphia\, PA\, 19104\, United States
ORGANIZER;CN="Computer and Information Science":MAILTO:cherylh@cis.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20240924T140000
DTEND;TZID=America/New_York:20240924T140000
DTSTAMP:20260403T193643
CREATED:20240923T203037Z
LAST-MODIFIED:20240923T203037Z
UID:10008105-1727186400-1727186400@seasevents.nmsdev7.com
SUMMARY:ESE Ph.D. Thesis Defense: "Design and control of dynamical systems: a classical to quantum perspective"
DESCRIPTION:The design and control of dynamical systems have long been core objectives of engineering. In this thesis\, we tackle the complexities of design and control across paradigms ranging from Boolean models of genetic networks\, to thermally driven stochastic systems\, to quantum-mechanical systems. These disparate domains share common challenges\, including the large dimensionality of the design space and the computational intractability of objective functions. For classical systems\, we draw inspiration from optimization heuristics and genetic programming\, leveraging the inherent symmetries within these problems. This approach led to the discovery of a novel symmetry in biological systems\, which we term dynamical mirror symmetry\, and the subsequent design of artificial mechanical structures that emulate the behavior of biological prions. Quantum systems introduce an additional layer of complexity: the exponential growth in the dimensionality of the Hilbert space\, which makes classical simulations impractical. As a test platform\, we develop control sequences tailored for nitrogen vacancy centers to achieve precise control. Our approach begins with the use of standardized quantum control sequences\, demonstrating their capability to infer the parameters of a quantum Hamiltonian. We then develop a more general method inspired by diagrammatic path integrals\, which enables full differentiability and supports perturbative expansions for optimization and control.
URL:https://seasevents.nmsdev7.com/event/ese-ph-d-thesis-defense-design-and-control-of-dynamical-systems-a-classical-to-quantum-perspective/
LOCATION:Raisler Lounge (Room 225)\, Towne Building\, 220 South 33rd Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Dissertation or Thesis Defense
ORGANIZER;CN="Electrical and Systems Engineering":MAILTO:eseevents@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20240924T101500
DTEND;TZID=America/New_York:20240924T111500
DTSTAMP:20260403T193643
CREATED:20240821T173619Z
LAST-MODIFIED:20240821T173619Z
UID:10008071-1727172900-1727176500@seasevents.nmsdev7.com
SUMMARY:MEAM Seminar: "Controlling Adhesion and Friction of Soft Interfaces by Meso-Scale Structures"
DESCRIPTION:Discoveries of unique adhesive and frictional properties in biological attachment systems have\, over the past two decades\, demonstrated how near-surface architecture at lengths between the molecular (a few nm) and continuum (mm) scales can be used to achieve interesting and unique surface mechanical properties. This has spurred considerable research activity in design of meso-scale\, near-surface architecture (typically at micron to mm length scales). This talk will present some of our group’s contributions to this field\, including design and understanding of film-terminated fibrillar structures for adhesion and friction enhancement\, shape-complementary interfaces for controlled adhesion and friction\, enhancement of elasto-hydrodynamic friction by surfaces with periodic modulation of properties\, and understanding of transitions in lubricated friction of soft solids.
URL:https://seasevents.nmsdev7.com/event/meam-seminar-controlling-adhesion-and-friction-of-soft-interfaces-by-meso-scale-structures/
LOCATION:Wu and Chen Auditorium (Room 101)\, Levine Hall\, 3330 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Seminar
ORGANIZER;CN="Mechanical Engineering and Applied Mechanics":MAILTO:meam@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20240923T110000
DTEND;TZID=America/New_York:20240923T120000
DTSTAMP:20260403T193643
CREATED:20240821T135130Z
LAST-MODIFIED:20240821T135130Z
UID:10008061-1727089200-1727092800@seasevents.nmsdev7.com
SUMMARY:ESE Fall Seminar - "Beyond the Exit of the Device Miniaturization Tunnel"
DESCRIPTION:For the past fifty years\, researchers of semiconductor technology have felt like walking inside a tunnel. There was a single path forward – two-dimensional down-scaling of device sizes\, also referred to as 2D miniaturization. With device features approaching atomic scale\, semiconductor technology has reached the exit of this tunnel. The future is bright at the exit of the tunnel as there are many possible paths that create new opportunities for architectures that are extremely difficult (or even impossible) to implement using existing technology approaches that rely mainly on 2D miniaturization. It is no longer possible to draw a clear boundary between design and fabrication. Many innovations across the entire system stack – from architectures to circuits\, devices\, fabrication processes\, and materials – will provide large multiplicative benefits at the system level. And there will be a change in the supplier-integrator and fabless-foundry ecosystems that have been in place for over 30 years. \nSpecifically\, AI computation benefits tremendously simply by having more on-chip memory capacity. To derive the highest energy efficiency\, not only the chip architecture needs to be application domain specific\, but the memory technologies must also be application domain-specific to capture the highest benefits while incurring the lowest impact on latency\, bandwidth and cost. As an example\, I will describe the use of ultra-low leakage transistors (< 10-18 A/µm) with large band gap oxide semiconductor materials to build gain cell memory. Gain cell memory has only two transistors and can be built in a 3D stack (thus small cell size and high density) that can complement SRAM to provide larger on-chip memory capacity [1]. More importantly\, these memory technologies can be integrated on Si logic chips to arrive at a computing system that integrates multiple heterogeneous device technologies in a 3D monolithic\, stacked\, assembled integrated circuit: 3D MOSAIC [2]. These Differentiated Access Memory (DAM) systems will require us to revisit and re-examine computing at all levels\, from the design of new memory technologies to high-level algorithms. \n[1] S. Liu et al.\, “Gain Cell Memory on Logic Platform – Device Guidelines for Oxide Semiconductor Transistor Materials Development\,” 2023 International Electron Devices Meeting (IEDM)\, San Francisco\, CA\, USA\, 2023\, pp. 1-4\, doi: 10.1109/IEDM45741.2023.10413726. \n[2] R. M. Radway et al.\, “The Future of Hardware Technologies for Computing: N3XT 3D MOSAIC\, Illusion Scaleup\, Co-Design\,” 2021 IEEE International Electron Devices Meeting (IEDM)\, San Francisco\, CA\, USA\, 2021\, pp. 25.4.1-25.4.4\, doi: 10.1109/IEDM19574.2021.9720647. \nAcknowledgements: This presentation benefits from a long-time collaboration with Prof. Subhasish Mitra (Stanford). This work is supported in part by Department of Defense Microelectronics Commons California-Pacific-Northwest AI Hardware Hub\, Eccalon/DoD\, National Science Foundation (award number 2235329)\, SRC JUMP 2.0 CHIMES Center and PRISM Center\, and member companies of the Stanford SystemX Alliance\, Stanford Non-Volatile Memory Technology Research Initiative (NMTRI)\, and the Stanford Differentiated Access Memory (DAM) industry affiliate programs.
URL:https://seasevents.nmsdev7.com/event/ese-fall-seminar-title-tbd-10/
LOCATION:Raisler Lounge (Room 225)\, Towne Building\, 220 South 33rd Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Colloquium
ORGANIZER;CN="Electrical and Systems Engineering":MAILTO:eseevents@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20240920T140000
DTEND;TZID=America/New_York:20240920T150000
DTSTAMP:20260403T193643
CREATED:20240828T184618Z
LAST-MODIFIED:20240828T184618Z
UID:10008076-1726840800-1726844400@seasevents.nmsdev7.com
SUMMARY:PICS Colloquium: Motion-based rules and solitary waves: ameloblasts and birds
DESCRIPTION:Information is usually expected to propagate across a population of active agents such as living cells or birds in a diffusive manner. Yet waviness in the microstructure of dental enamel implies coherent wave motion among the generative ameloblast cells over exceptionally long periods\, from a week in the mouse to months in the human; and trajectory data for starling flocks show solitary wave disturbances that propagate in much shorter times but with constant speed and amplitude across the entire flock. Necessary conditions for coherent wave behavior include persistent network invariance\, i.e.\, neighbor sets not changing too quickly\, and some form of non-mass inertia. \nIn a top-down strategy\, a wave equation is conjectured for 2D sheets of ameloblasts with a single unknown parameter supplying rate inertia. Optimizing only \, the wave equation can predict the observed cross-sectional shape of the enamel body in the mouse incisor. Nonlinearity in the wave equation gives rise to solitary waves\, which also predict the time of a key transformation in ameloblast behavior. Most interestingly for modeling biological development\, solitary waves coupled explicitly to shape or motility transformations in cells have characteristics determined internally and independent of remote conditions. Complex pattern formation\, e.g.\, segmentation\, can be derived from coupled systems of transformations\, using rules based only on displacements and their derivatives. \nGoverning equations for solitary waves can be constructed for ameloblasts and birds that deal with different variables but are isomorphic and account successfully for observations in both populations\, an instance of substrate independence in rules for emergent behavior.
URL:https://seasevents.nmsdev7.com/event/pics-colloquium-motion-based-rules-and-solitary-waves-ameloblasts-and-birds/
LOCATION:PICS Conference Room 534 – A Wing \, 5th Floor\, 3401 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Colloquium
ORGANIZER;CN="Penn Institute for Computational Science (PICS)":MAILTO:dkparks@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20240920T130000
DTEND;TZID=America/New_York:20240920T180000
DTSTAMP:20260403T193643
CREATED:20240821T150341Z
LAST-MODIFIED:20240821T150341Z
UID:10008070-1726837200-1726855200@seasevents.nmsdev7.com
SUMMARY:ASSET & Warren Center Research Mixer
DESCRIPTION:The ASSET and Warren Center will be hosting a research mixer to welcome new PhD students and expose new and current students to the wide range of research in Penn Engineering in AI/ML. The program will consist of (short) faculty talks\, poster presentations by students/postdocs\, and a reception to end the night!
URL:https://seasevents.nmsdev7.com/event/warren-asset-center-research-mixer/
LOCATION:Glandt Forum\, Singh Center for Nanotechnology\, 3205 Walnut Street\, Philadelphia\, PA\, 19104\, United States
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20240920T103000
DTEND;TZID=America/New_York:20240920T114500
DTSTAMP:20260403T193643
CREATED:20240913T181149Z
LAST-MODIFIED:20240913T181149Z
UID:10008096-1726828200-1726832700@seasevents.nmsdev7.com
SUMMARY:GRASP Industry Talk: Amazon Robotics - Scanless Technologies\, “Amazon Robotics Tech Talk”
DESCRIPTION:This will be an in-person event only with in-person attendance in Wu and Chen. This seminar will not be recorded or available on Zoom. \nAmazon Robotics Tech Talk & Networking Event \n  \nAmazon Robotics’ Scanless Technologies Team is excited to invite you to join us for a Tech Talk presentation followed by a Networking Event on Friday\, 9/20 starting at 10:30am in Wu & Chen Auditorium\, 101 Levine Hall. \nJoin us for the Tech Talk from 10:30-11:45am to get the unique opportunity to learn about how our applied science research work in computer vision addresses real-world challenges within Amazon’s fulfillment centers in the areas of action detection/recognition and item identification. \nConnect in person and engage in meaningful discussions with Amazon Robotics applied scientists\, software managers\, and campus recruiters at our Networking Event in Levine 512 immediately following the Tech Talk. The Networking Event will run from 12:00pm – 1:00pm. \nMeet our Amazon Robotics Scanless Technologies speakers for this event: \n\nNick Hu\, Applied Scientist II (GRASP alum)\nMansi Agarwal\, Applied Scientist\nFrank Preiswerk\, Principal Applied Scientist\nCara Garber\, Software Development Manager\n\nWe look forward to meeting you all!
URL:https://seasevents.nmsdev7.com/event/grasp-industry-talk-amazon-robotics-scanless-technologies-amazon-robotics-tech-talk/
LOCATION:Wu and Chen Auditorium (Room 101)\, Levine Hall\, 3330 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Seminar
ORGANIZER;CN="General Robotics%2C Automation%2C Sensing and Perception (GRASP) Lab":MAILTO:grasplab@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20240920T090000
DTEND;TZID=America/New_York:20240920T110000
DTSTAMP:20260403T193643
CREATED:20240904T192801Z
LAST-MODIFIED:20240904T192801Z
UID:10008085-1726822800-1726830000@seasevents.nmsdev7.com
SUMMARY:BE Doctoral Dissertation Defense: "Extracting Insights From Electronic Health Records Using Optimized Large Language Models" (Kevin Xie)
DESCRIPTION:The Department of Bioengineering at the University of Pennsylvania and Dr. Brian Litt are pleased to announce the Doctoral Dissertation Defense of Kevin Xie.\n\nTitle: Extracting Insights From Electronic Health Records Using Optimized Large Language Models\nDate: September 20th\, 2024\nTime: 9:00 AM\nLocation: Glandt Forum\, Singh Center for Nanotechnology\nAdvisor: Dr. Brian Litt\nZoom link: https://upenn.zoom.us/j/91430247073?pwd=nsDh7ebUjVZNHbdVldc9OfxmavzGri.1\n\nThe public is welcome to attend.
URL:https://seasevents.nmsdev7.com/event/be-doctoral-dissertation-defense-extracting-insights-from-electronic-health-records-using-optimized-large-language-models-kevin-xie/
LOCATION:Glandt Forum\, Singh Center for Nanotechnology\, 3205 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Doctoral,Graduate,Student,Dissertation or Thesis Defense
ORGANIZER;CN="Bioengineering":MAILTO:be@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20240919T153000
DTEND;TZID=America/New_York:20240919T163000
DTSTAMP:20260403T193643
CREATED:20240905T123157Z
LAST-MODIFIED:20240905T123157Z
UID:10008088-1726759800-1726763400@seasevents.nmsdev7.com
SUMMARY:CIS Seminar: "Learning Controllers for multi-robot Teams"
DESCRIPTION:We have recently demonstrated the possibility of learning controllers that are zero-shot transferable to groups of real quadrotors via large-scale\, multi-agent\, end-to-end reinforcement learning. We train policies parameterized by neural networks that can control individual drones in a group in a fully decentralized manner. Our policies\, trained in simulated environments with realistic quadrotor physics\, demonstrate advanced flocking behaviors\, perform aggressive maneuvers in tight formations while avoiding collisions with each other\, break and re-establish formations to avoid collisions with moving obstacles\, and efficiently coordinate in pursuit-evasion tasks. The model learned in simulation transfers to highly resource-constrained physical quadrotors performing station-keeping and goal-swapping behaviors. Motivated by these results and the observation that neural control of memory-constrained\, agile robots requires small yet highly performant models\, the talk will conclude with some thoughts on coaxing learned models onto devices with modest computational capabilities.
URL:https://seasevents.nmsdev7.com/event/cis-seminar-learning-controllers-for-multi-robot-teams/
LOCATION:Wu and Chen Auditorium (Room 101)\, Levine Hall\, 3330 Walnut Street\, Philadelphia\, PA\, 19104\, United States
ORGANIZER;CN="Computer and Information Science":MAILTO:cherylh@cis.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20240919T103000
DTEND;TZID=America/New_York:20240919T120000
DTSTAMP:20260403T193643
CREATED:20230908T153334Z
LAST-MODIFIED:20230908T153334Z
UID:10007677-1726741800-1726747200@seasevents.nmsdev7.com
SUMMARY:MSE Seminar: "Materials\, Mechanics\, and Performance of Flexible Polymeric Actuators in Robotics" (Sameh Tawfick - University of Illinois\, Urbana-Champaign)
DESCRIPTION:My group is developing a roadmap for soft actuating materials to replace bulky electric motors in miniature robots requiring large mechanical work output. \nFirst\, I will describe the materials microstructure and mechanics of polymeric coiled muscles made by twisting nylon fishing lines\, and how these actuators use internal strain energy to achieve a “record breaking” performance. Then I will describe intriguing hierarchical super-\, and hyper-coiled artificial muscles which\, inspired by natural muscles\, exploit the interplay between nonlinear mechanics and material microstructure. \nNext\, I will describe their use to actuate the dynamic snapping of insect-scale jumping robots. The combination of strong but slow muscles with a fast-snapping beam gives rise to dynamic buckling cascade phenomena leading to effective robotic jumping mechanisms. These examples shed light on the future of robotics propelled by new bioinspired materials\, nonlinear mechanics\, and unusual manufacturing processes.
URL:https://seasevents.nmsdev7.com/event/mse-seminar-materials-mechanics-and-performance-of-flexible-polymeric-actuators-in-robotics-sameh-tawfick-university-of-illinois-urbana-champaign/
LOCATION:Wu and Chen Auditorium (Room 101)\, Levine Hall\, 3330 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Seminar
ORGANIZER;CN="Materials Science and Engineering":MAILTO:johnruss@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20240919T100000
DTEND;TZID=America/New_York:20240919T110000
DTSTAMP:20260403T193643
CREATED:20240905T144305Z
LAST-MODIFIED:20240905T144305Z
UID:10008089-1726740000-1726743600@seasevents.nmsdev7.com
SUMMARY:MEAM Ph.D. Thesis Defense: "Contacts with Dynamically Tunable Adhesion and Friction via Active Materials with Thermally Modulated Stiffness"
DESCRIPTION:Contact interactions\, including adhesion and friction\, are critical to the design of many engineered systems. Currently\, most systems rely on materials with static mechanical properties\, requiring careful selection of materials to realize effective systems for specialized tasks. However\, with advances in smart materials\, system design is no longer limited to materials with static properties. There is a significant potential to exploit active materials for dynamic control of mechanical behaviors\, including adhesion and friction\, to enable the design of systems with improved performance and new functionalities. Example applications of such systems include the gripping and manipulation of objects in robotics and manufacturing\, the temporary attachment of wearable devices\, and the creation of tactile interfaces for virtual reality. In this work\, active control of adhesion and friction is realized using materials with tunable stiffness. In particular\, thermally responsive polymers\, which exhibit substantial changes in stiffness\, provide significant potential for adhesion and friction control. We demonstrate the use of a conductive thermoplastic and a shape memory polymer\, both with thermally modulated stiffness\, to dynamically tune adhesion and friction. Through a combination of experimentation and finite element analysis\, we present a composite microstructured adhesive with high strength and adhesion switchability\, while highlighting the role of scale in achieving fast response times. Through further experimentation\, we investigate the ability to tune friction\, using stiffness modulation to enable a transition from Coulomb friction to adhesion-dominated friction. This ability to dynamically control adhesion and friction offers new opportunities for the design of engineered systems.
URL:https://seasevents.nmsdev7.com/event/meam-ph-d-thesis-defense-contacts-with-dynamically-tunable-adhesion-and-friction-via-active-materials-with-thermally-modulated-stiffness/
LOCATION:Room 337\, Towne Building\, 220 South 33rd Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Doctoral,Dissertation or Thesis Defense
ORGANIZER;CN="Mechanical Engineering and Applied Mechanics":MAILTO:meam@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20240918T153000
DTEND;TZID=America/New_York:20240918T163000
DTSTAMP:20260403T193643
CREATED:20240816T201722Z
LAST-MODIFIED:20240816T201722Z
UID:10008049-1726673400-1726677000@seasevents.nmsdev7.com
SUMMARY:CBE Seminar: "Autonomous Soft and Colloidal Matter Fueled by Chemical Reactions" (Taylor Woehl\, University of Maryland)
DESCRIPTION:Abstract: \nBiological systems utilize networks of biochemical reactions to drive autonomous and dynamic processes. Examples include the dynamic polymerization of microtubules and the dynamic min protein system in E. Coli. In contrast\, synthetic soft and colloidal matter generally requires active stimulation to undergo reconfiguration\, such as application of external fields or manual changes in solution chemistry. These materials exhibit singular responses to stimulation\, such as shape change or self-assembly\, but lack temporal control. In recent years\, synthetic chemical reaction cycles have been discovered that enabled active soft materials that exhibit transient responses to a single chemical stimulus. This seminar will describe recent work in Professor Woehl’s lab that utilize chemical reactions to drive transient and autonomous responses in colloids and hydrogels. In the first of three vignettes\, I will discuss the colloidal interactions occurring during chemically fueled assembly of micron sized colloids. Here\, aqueous colloids are exposed to a carbodiimide chemical fuel that temporarily renders their surface hydrophobic. We systematically identify ranges of fuel concentration that lead to no assembly\, transient assembly\, and irreversible assembly of colloids. Experimental measurements of colloid surface charge and hydrophobicity inform a colloidal interaction model that corroborates the experimental observations. This work identifies electrostatic and hydrophobic forces as critical for controlling transient assembly and establishes a colloidal interaction model for rationally choosing fuel concentrations for colloids of varying size. In the second vignette\, I will discuss the use redox reaction cycles to generate transient protein hydrogels. Here\, a strong oxidizer and weak reducing agent are concurrently added to denatured serum albumin\, which causes formation of a transient disulfide crosslinked hydrogel. We found that increasing the denaturant concentration decreased the lifetime of the hydrogel. Biophysical measurements revealed this to be due to changes in the unfolding state of the protein\, which mediated the concentration of free cysteines available to react with the oxidizer. This work uncovered a novel approach to tune the lifetime of transient protein hydrogels and established a connection between molecular protein structure and macroscopic hydrogel properties. In the final vignette\, I will present recent work on chemically fueled shape changes in porous hydrogels. Prior work has demonstrated slow responses of polymer hydrogels to chemical fuels\, typically on the order of ~10 hours. Here we utilize a combination of co-polymer hydrogels\, porosity\, and pH clock reactions to reduce the reconfiguration time to ~10 minutes. This work demonstrates the most rapid autonomous shape change in chemically fueled hydrogels to date.
URL:https://seasevents.nmsdev7.com/event/cbe-seminar-autonomous-soft-and-colloidal-matter-fueled-by-chemical-reactions-taylor-woehl-university-of-maryland/
LOCATION:Wu and Chen Auditorium (Room 101)\, Levine Hall\, 3330 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Seminar
ORGANIZER;CN="Chemical and Biomolecular Engineering":MAILTO:cbemail@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20240918T150000
DTEND;TZID=America/New_York:20240918T160000
DTSTAMP:20260403T193643
CREATED:20240903T173842Z
LAST-MODIFIED:20240903T173842Z
UID:10008082-1726671600-1726675200@seasevents.nmsdev7.com
SUMMARY:Fall 2024 GRASP SFI: Dian Wang\, Northeastern University\, “Equivariant Learning for Robotic Manipulation”
DESCRIPTION:This will be a hybrid event with in-person attendance in Levine 307 and virtual attendance on Zoom. \nABSTRACT\nDespite recent advances in machine learning for robotics\, current approaches often lack sample efficiency\, posing a significant challenge due to the enormous time consumption to collect real-robot data. In this talk\, I will present our innovative methods that tackle this challenge by leveraging the inherent symmetries in the physical environment. Specifically\, I will outline a comprehensive framework of equivariant policy learning and its application across various problem settings\, including reinforcement learning\, behavior cloning\, and grasping. Our methods not only significantly outperform state-of-the-art baselines but also achieve these results with far less data\, both in simulation and in real-world scenarios. Furthermore\, our approach demonstrates robustness in the presence of symmetry distortions\, such as variations in camera angles.
URL:https://seasevents.nmsdev7.com/event/fall-2024-grasp-sfi-dian-wang/
LOCATION:Levine 307\, 3330 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Seminar
ORGANIZER;CN="General Robotics%2C Automation%2C Sensing and Perception (GRASP) Lab":MAILTO:grasplab@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20240918T130000
DTEND;TZID=America/New_York:20240918T150000
DTSTAMP:20260403T193643
CREATED:20240829T223843Z
LAST-MODIFIED:20240829T223843Z
UID:10008079-1726664400-1726671600@seasevents.nmsdev7.com
SUMMARY:BE Doctoral Dissertation Defense: "Quantitative Informatics Approaches to Characterize and Predict Childhood Genetic Epilepsies" (Peter Galer)
DESCRIPTION:The Department of Bioengineering at the University of Pennsylvania along with Drs. Brian Litt and Ingo Helbig proudly announce the Doctoral Dissertation Defense of Peter Galer.\n\nTitle: Quantitative Informatics Approaches to Characterize and Predict Childhood Genetic Epilepsies\nDate: Wednesday September 18\nTime: 1:00pm\nLocation: Glandt Forum\, Singh Center for Nanotechnology\nAdvisors: Dr. Brian Litt & Dr. Ingo Helbig\nZoom link:  https://upenn.zoom.us/j/97035487377\n\nThe public is welcome to attend.
URL:https://seasevents.nmsdev7.com/event/be-doctoral-dissertation-defense-quantitative-informatics-approaches-to-characterize-and-predict-childhood-genetic-epilepsies-peter-galer/
LOCATION:Glandt Forum\, Singh Center for Nanotechnology\, 3205 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Doctoral,Graduate,Student,Dissertation or Thesis Defense
ORGANIZER;CN="Bioengineering":MAILTO:be@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20240918T120000
DTEND;TZID=America/New_York:20240918T131500
DTSTAMP:20260403T193643
CREATED:20240709T173450Z
LAST-MODIFIED:20240709T173450Z
UID:10008008-1726660800-1726665300@seasevents.nmsdev7.com
SUMMARY:ASSET Seminar: "Representation-based Learning and Control for Dynamical Systems"
DESCRIPTION:Abstract:  \nThe explosive growth of machine learning and data-driven methodologies have revolutionized numerous fields. Yet\, the translation of these successes to the domain of dynamical physical systems remains a significant challenge. Closing the loop from data to actions in these systems faces many difficulties\, stemming from the need for sample efficiency and computational feasibility\, along with many other requirement such as verifiability\, robustness\, and safety. In this talk\, we bridge this gap by introducing innovative representations to develop nonlinear stochastic control and reinforcement learning methods. Key in the representation is to  represent the stochastic\, nonlinear  dynamics linearly onto a nonlinear feature space. We present a comprehensive framework to develop control and learning strategies which achieve efficiency\, safety\, robustness\, and scalability with provable performance. We also show how the representation could be used to close the sim-to-real gap. Lastly\, we will briefly present some concrete real-world applications\, discussing how domain knowledge is applied in practice to further close the loop from data to actions. \nZoom Link (if unable to attend in-person): https://upenn.zoom.us/j/99029916016
URL:https://seasevents.nmsdev7.com/event/asset-seminar-na-lina-li-harvard-university/
LOCATION:Raisler Lounge (Room 225)\, Towne Building\, 220 South 33rd Street\, Philadelphia\, PA\, 19104\, United States
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20240917T153000
DTEND;TZID=America/New_York:20240917T163000
DTSTAMP:20260403T193643
CREATED:20240905T122211Z
LAST-MODIFIED:20240905T122211Z
UID:10008087-1726587000-1726590600@seasevents.nmsdev7.com
SUMMARY:CIS Seminar: "Recent Advances in Spatial Generative AI"
DESCRIPTION:Generative spatial AI offers unprecedented capabilities for photorealistic scene representation\, generation\, and novel-view synthesis\, among other tasks. In this talk\, we discuss recent advances in large-scale 3D scene representations\, efficient neural rendering approaches\, and generative AI strategies that allow us to generate photorealistic multi-view-consistent digital humans and general 3D scenes.
URL:https://seasevents.nmsdev7.com/event/cis-seminar-recent-advances-in-spatial-generative-ai/
LOCATION:Wu and Chen Auditorium (Room 101)\, Levine Hall\, 3330 Walnut Street\, Philadelphia\, PA\, 19104\, United States
ORGANIZER;CN="Computer and Information Science":MAILTO:cherylh@cis.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20240917T110000
DTEND;TZID=America/New_York:20240917T120000
DTSTAMP:20260403T193643
CREATED:20240821T134920Z
LAST-MODIFIED:20240821T134920Z
UID:10008060-1726570800-1726574400@seasevents.nmsdev7.com
SUMMARY:ESE Fall Seminar - "Big AI for Small Devices"
DESCRIPTION:As artificial intelligence (AI) transforms industries\, state-of-the-art models have exploded in size and capability. However\, deploying these models on resource-constrained edge devices remains a significant challenge. Smartphones\, wearables\, and IoT sensors face stringent limitations on compute\, memory\, power\, and communication\, creating a gap between demanding AI models and edge hardware capabilities that hinders the deployment of intelligence. In this talk\, we will re-examine techniques to bridge this gap and embed big AI on small devices. We will begin by discussing how the properties of various hardware platforms impact the design strategies of efficient deep neural network (DNN) models\, such as quantization and pruning. Next\, we will discuss techniques aimed at reducing the inference and training costs of distributed collaborative edge AI systems. Finally\, we will delve into the underlying design philosophies and their evolution toward efficient\, scalable\, robust\, and secure edge computing systems.
URL:https://seasevents.nmsdev7.com/event/ese-fall-seminar-title-tbd-8/
LOCATION:Raisler Lounge (Room 225)\, Towne Building\, 220 South 33rd Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Colloquium
ORGANIZER;CN="Electrical and Systems Engineering":MAILTO:eseevents@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20240917T101500
DTEND;TZID=America/New_York:20240917T111500
DTSTAMP:20260403T193643
CREATED:20240828T131823Z
LAST-MODIFIED:20240828T131823Z
UID:10008074-1726568100-1726571700@seasevents.nmsdev7.com
SUMMARY:MEAM Seminar: "Natural Structural Materials: Lessons on Toughening Mechanisms\, Weight Reduction\, and Multifunctionality"
DESCRIPTION:Structural materials that are damage-tolerant\, lightweight\, multifunctional\, and sustainable are highly desirable for many engineering applications. Such combinations of properties are often found in the biological world. Organisms from nature construct various biological structural materials for protection\, predation\, body support\, camouflage\, etc. Despite the fact that these materials are made from limited constituent materials with usually poor intrinsic mechanical properties\, such as brittle minerals and soft biopolymers\, biological materials are often able to achieve remarkable mechanical properties while offering additional functionalities simultaneously\, such as low density\, coloration\, transparency\, flexibility\, visual sensitivity\, etc. In this talk\, I will present our recent work in elucidating the structure-property relationships in some natural structural materials by focusing on their strategies for achieving damage tolerance\, weight reduction\, and multifunctionality. For example\, I will present a unique damage-tolerant\, dual-scale\, single-crystalline\, low-density microlattice we recently discovered in an echinoderm skeletal system. Our research combines quantitative multiscale 3D structural analysis\, in-situ mechanical analysis\, theoretical and computational modeling\, and design and manufacturing of bio-inspired materials. I hope this talk will stimulate more discussions in research areas such as materials\, mechanics\, biomimetics\, biology\, and manufacturing.
URL:https://seasevents.nmsdev7.com/event/meam-seminar-natural-structural-materials-lessons-on-toughening-mechanisms-weight-reduction-and-multifunctionality/
LOCATION:Wu and Chen Auditorium (Room 101)\, Levine Hall\, 3330 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Seminar
ORGANIZER;CN="Mechanical Engineering and Applied Mechanics":MAILTO:meam@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20240912T153000
DTEND;TZID=America/New_York:20240912T163000
DTSTAMP:20260403T193643
CREATED:20240903T174856Z
LAST-MODIFIED:20240903T174856Z
UID:10008083-1726155000-1726158600@seasevents.nmsdev7.com
SUMMARY:CIS Seminar: "Trustworthy Forecasting Algorithms"
DESCRIPTION:Algorithms are increasingly tasked with forecasting the probabilities of uncertain events: a creditor repaying a loan\, a user clicking an advertisement\, or a word appearing next in a stream of text\, for example. Such forecasts are trustworthy if their users can be sure they won’t regret treating the predicted probabilities as if they were actual distributions from which outcomes would be sampled. The term “calibration” refers to various measures of forecast accuracy that formalize this property of trustworthiness. Defining calibration\, and designing algorithms to achieve it\, turns out to be a tightrope walk between strong definitions\, which ensure reliable results for users but are computationally and statistically harder to achieve\, and weak definitions\, which have the opposite benefits and drawbacks. I will report on some recent research aimed at locating a sweet spot between these two extremes: calibration properties that are achievable using no more samples or computation than the easiest statistical learning tasks\, while providing guarantees for downstream users that are\, in many cases\, as powerful as the strongest notions of calibration. \nThis talk is based on joint work with Michael Kim\, Princewill Okoroafor\, Renato Paes Leme\, Jon Schneider\, and Yifeng Teng.
URL:https://seasevents.nmsdev7.com/event/cis-seminar-trustworthy-forecasting-algorithms/
LOCATION:Wu and Chen Auditorium (Room 101)\, Levine Hall\, 3330 Walnut Street\, Philadelphia\, PA\, 19104\, United States
ORGANIZER;CN="Computer and Information Science":MAILTO:cherylh@cis.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20240912T140000
DTEND;TZID=America/New_York:20240912T160000
DTSTAMP:20260403T193643
CREATED:20240827T135356Z
LAST-MODIFIED:20240827T135356Z
UID:10008073-1726149600-1726156800@seasevents.nmsdev7.com
SUMMARY:BE Doctoral Dissertation Defense: "Mechanistic Elucidation and Amelioration of RNA Lipid Nanoparticle Side Effects for Therapeutic Applications" (Serena Omo-Lamai)
DESCRIPTION:The Department of Bioengineering at the University of Pennsylvania and Dr. Jacob Brenner proudly announce the Doctoral Dissertation Defense of Serena Omo-Lamai.\n\nTitle: Mechanistic Elucidation and Amelioration of RNA Lipid Nanoparticle Side Effects for Therapeutic Applications \nAdvisor: Jacob Brenner\, MD\, PhD\n\nDate: Thursday September 12th\nTime: 2:00pm\nLocation: BRB 1412\n\nZoom Option Info: Serena Omo-Lamai is inviting you to a scheduled Zoom meeting.\nTopic: Serena Omo-Lamai’s Thesis Defense Time: Sep 12\, 2024 02:00 PM Eastern Time (US and Canada)\nJoin Zoom Meeting https://upenn.zoom.us/j/99710440253 Meeting ID: 997 1044 0253\n\nThe public is welcome to attend.
URL:https://seasevents.nmsdev7.com/event/be-doctoral-dissertation-defense-mechanistic-elucidation-and-amelioration-of-rna-lipid-nanoparticle-side-effects-for-therapeutic-applications-serena-omo-lamai/
LOCATION:BRB 1412
CATEGORIES:Doctoral,Graduate,Student,Dissertation or Thesis Defense
ORGANIZER;CN="Bioengineering":MAILTO:be@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20240912T103000
DTEND;TZID=America/New_York:20240912T120000
DTSTAMP:20260403T193643
CREATED:20240814T222323Z
LAST-MODIFIED:20240814T222323Z
UID:10008042-1726137000-1726142400@seasevents.nmsdev7.com
SUMMARY:MSE Seminar: "Sustainability Efforts at Dow: Vision\, Strategy\, Case Studies\, and Challenges\,” Kumar Sanketh\, Dow
DESCRIPTION:Materials and chemicals impact daily life\, as they enable modern healthcare\, preservation of food\, and delivering performance and efficiency of transportation and infrastructure. The talk will focus on Dow’s vision and path for carbon neutrality. An overview of Dow Chemical’s portfolio and the breadth of chemistries being practiced will be discussed. Dow has a vision of being carbon neutral by 2050 and recycling 3MM MT of plastics by 2030. To meet this ambitious goal\, innovation is being focused on four different fronts related to sustainable chemistry and Engineering. They include Reducing Hazards\, Atom economy\, Energy footprint\, & Holistic design. Case studies will be presented on how innovation in these spaces is being developed and commercialized. To address the complex challenges in sustainable materials and circularity there is a need for collaborative efforts across Industry\, academia\, and government policy. In this regard\, some of the challenges which can be considered for collaboration will be presented.
URL:https://seasevents.nmsdev7.com/event/mse-seminar-sustainability-efforts-at-dow-vision-strategy-case-studies-and-challenges-kumar-sanketh-dow/
LOCATION:Wu and Chen Auditorium (Room 101)\, Levine Hall\, 3330 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Seminar
ORGANIZER;CN="Materials Science and Engineering":MAILTO:johnruss@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20240911T140000
DTEND;TZID=America/New_York:20240911T150000
DTSTAMP:20260403T193643
CREATED:20240905T192732Z
LAST-MODIFIED:20240905T192732Z
UID:10008090-1726063200-1726066800@seasevents.nmsdev7.com
SUMMARY:GRASP Seminar: Shlomi Laufer\, Technion – Israel Institute of Technology\, "Enhancing Surgical Skill Assessment Through Computer Vision"
DESCRIPTION:*This seminar will be held in-person in Levine 307 as well as virtually via Zoom.  \nABSTRACT\nMedical education traditionally employs the apprenticeship model\, where trainees learn directly under the supervision of experienced practitioners. This model necessitates close follow-up and typically provides extremely subjective and non- standardized feedback. Over the years\, efforts to introduce more objective assessment tools have gained momentum\, although these tools often remain time-consuming and can still be influenced by subjective evaluations. Recently\, the integration of motion sensors with medical simulators has provided a more objective form of feedback. However\, they are typically limited to different aspects of motion economy. In this presentation\, I will explore how advancements in computer vision can be utilized to create more informative assessments and feedback on surgical skills. I will also briefly discuss automatic assessment of anesthesiologists. Additionally\, I will demonstrate how introducing cameras into the operating room provides a new avenue\nfor analyzing surgical workflows.
URL:https://seasevents.nmsdev7.com/event/grasp-seminar-shlomi-laufer-technion-israel-institute-of-technology-enhancing-surgical-skill-assessment-through-computer-vision/
LOCATION:Levine 307\, 3330 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Seminar
ORGANIZER;CN="General Robotics%2C Automation%2C Sensing and Perception (GRASP) Lab":MAILTO:grasplab@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20240911T133000
DTEND;TZID=America/New_York:20240911T153000
DTSTAMP:20260403T193643
CREATED:20240820T180336Z
LAST-MODIFIED:20240820T180336Z
UID:10008058-1726061400-1726068600@seasevents.nmsdev7.com
SUMMARY:BE Doctoral Dissertation Defense: "Quantitative Intracranial EEG Methods for Targeted Therapy in Drug-resistant Epilepsy" (Akash Pattnaik)
DESCRIPTION:The Department of Bioengineering at the University of Pennsylvania and Dr. Brian Litt proudly announce the Doctoral Dissertation Defense of Akash Pattnaik.\n \n\nTitle: Quantitative Intracranial EEG Methods for Targeted Therapy in Drug-resistant Epilepsy\n\nDate: Wednesday September 11\nTime: 1:30pm\nLocation: Glandt Forum\, Singh Center for Nanotechnology\nAdvisor: Dr. Brian Litt\nZoom option: https://upenn.zoom.us/j/93665199428?pwd=kSjDphv31aMk1pfwb2Jp8BZCQetxfY.1\n\nThe public is welcome to attend.
URL:https://seasevents.nmsdev7.com/event/be-doctoral-dissertation-defense-quantitative-intracranial-eeg-methods-for-targeted-therapy-in-drug-resistant-epilepsy-akash-pattnaik/
LOCATION:Glandt Forum\, Singh Center for Nanotechnology\, 3205 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Doctoral,Graduate,Student,Dissertation or Thesis Defense
ORGANIZER;CN="Bioengineering":MAILTO:be@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20240911T120000
DTEND;TZID=America/New_York:20240911T131500
DTSTAMP:20260403T193643
CREATED:20240814T160009Z
LAST-MODIFIED:20240814T160009Z
UID:10008041-1726056000-1726060500@seasevents.nmsdev7.com
SUMMARY:ASSET Seminar: "Machine Learning and Brain Imaging: Contributions to Diagnostics\, Prognostication\, and Treatment Guidance"
DESCRIPTION:Abstract: \nNeuroimaging has significantly expanded our understanding of brain changes in neuropsychiatric disorders as well as in aging and neurodegenerative diseases. However\, it wasn’t until the advent of machine learning tools that imaging signatures that can be detected in individuals\, rather than groups\, were constructed. More importantly\, imaging signatures derived via machine learning models have shown promise in prognostication\, as well as in guiding personalized treatments. This talk will present work on deriving imaging signatures of diagnostic and predictive value. It will then focus on weakly-supervised machine learning methods for analysis of the heterogeneity of brain imaging phenotypes\, arriving at a dimensional representation reflecting the heterogeneity of brain aging and of various brain diseases. Finally\, international consortia pooling and harmonizing large numbers of brain MRIs from many studies are presented as means for creating sufficiently large datasets for robust machine learning training and heterogeneity analysis\, but also pose new challenges\, including that or harmonization and domain adaptation across studies. \nZoom Link (if unable to attend in-person): https://upenn.zoom.us/j/92905415705
URL:https://seasevents.nmsdev7.com/event/asset-seminar-christos-davatzikos-university-of-pennsylvania/
LOCATION:Raisler Lounge (Room 225)\, Towne Building\, 220 South 33rd Street\, Philadelphia\, PA\, 19104\, United States
ATTACH;FMTTYPE=image/png:https://seasevents.nmsdev7.com/wp-content/uploads/2024/08/3.png
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20240911T100000
DTEND;TZID=America/New_York:20240911T120000
DTSTAMP:20260403T193643
CREATED:20240904T193341Z
LAST-MODIFIED:20240904T193341Z
UID:10008086-1726048800-1726056000@seasevents.nmsdev7.com
SUMMARY:BE Doctoral Dissertation Defense: "Guided organogenesis using mosaic patterns of progenitors" (Catherine Porter)
DESCRIPTION:The Department of Bioengineering at the University of Pennsylvania and Dr. Alex Hughes are pleased to announce the Doctoral Dissertation Defense of Catherine Porter.\n\n\nTitle: Guided organogenesis using mosaic patterns of progenitors\n\nDate: September 11\, 2024\nTime: 10:00 AM\nLocation: BRB Auditorium\n\nZoom info:\nTopic: Catherine Porter’s Dissertation Defense\nTime: Sep 11\, 2024 10:00 AM Eastern Time (US and Canada) \nJoin Zoom Meeting\nhttps://upenn.zoom.us/j/99041449653?pwd=xgLYkg2vO3qh6lqpNBsqELEgTaG6Ew.1 \nMeeting ID: 990 4144 9653\nPasscode: 045418 \n\nThe public is welcome to attend.
URL:https://seasevents.nmsdev7.com/event/be-doctoral-dissertation-defense-guided-organogenesis-using-mosaic-patterns-of-progenitors-catherine-porter/
LOCATION:BRB Auditorium
CATEGORIES:Doctoral,Graduate,Student,Dissertation or Thesis Defense
ORGANIZER;CN="Bioengineering":MAILTO:be@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20240910T103000
DTEND;TZID=America/New_York:20240910T120000
DTSTAMP:20260403T193643
CREATED:20240904T123547Z
LAST-MODIFIED:20240904T123547Z
UID:10008084-1725964200-1725969600@seasevents.nmsdev7.com
SUMMARY:Biomedical Data Science Seminar Series - "Unlocking Brain Insights: Machine Learning for Neuroimaging Studies"
DESCRIPTION:Modern neurotechnologies generate vast and intricate imaging data across multiple modalities\, capturing nuanced aspects of brain structure and function in both healthy and diseased states\, thus propelling neuroimaging into the ‘big data’ era. The quantitative analysis of such extensive neuroimaging datasets presents unprecedented opportunities for uncovering novel insights into various neuroscience problems. Machine learning and AI have emerged as promising tools for these analyses\, capable of producing personalized\, quantitative imaging-based indices with diagnostic and prognostic value\, potentially revolutionizing healthcare delivery. However\, technical challenges persist due to the high dimensionality of imaging data\, disease heterogeneity\, and the integration of these technologies into clinical workflows. In this talk\, I will discuss novel computational approaches that harness advanced machine learning techniques to tackle these challenges. First\, I will present progress toward a scalable unsupervised non-negative matrix factorization framework for interpretable and reproducible dimensionality reduction of neuroimaging data. Second\, I will delve into a deep learning framework designed to parse disease heterogeneity and generate subject-specific abnormality maps. Finally\, I will explore deep learning models aimed at overcoming obstacles in implementing AI-enabled clinical workflows. I will illustrate the broad impact of these approaches through their applications in diverse settings\, with a focus on Alzheimer’s disease.
URL:https://seasevents.nmsdev7.com/event/biomedical-data-science-seminar-series-unlocking-brain-insights-machine-learning-for-neuroimaging-studies/
LOCATION:Raisler Lounge (Room 225)\, Towne Building\, 220 South 33rd Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Seminar
ORGANIZER;CN="Center for Biomedical Image Computing & Analytics":MAILTO:jessicai@pennmedicine.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20240910T101500
DTEND;TZID=America/New_York:20240910T111500
DTSTAMP:20260403T193643
CREATED:20240820T193100Z
LAST-MODIFIED:20240820T193100Z
UID:10008059-1725963300-1725966900@seasevents.nmsdev7.com
SUMMARY:MEAM Seminar: "Elasticity of Fluids in Nanopores: Molecular Modeling and Ultrasonic Experiments"
DESCRIPTION:Fluids confined in nanopores are ubiquitous in nature and technology. In recent years\, the interest in confined fluids has grown\, driven by research on unconventional hydrocarbon resources — shale gas and shale oil\, much of which are confined in nanopores. When fluids are confined in nanopores\, many of their properties differ from those of the same fluid in the bulk. These properties include density\, freezing point\, transport coefficients\, thermal expansion coefficient\, and\, as it was shown recently\, elastic properties. \nThe elastic modulus of a fluid confined in the pores contribute to the overall elasticity of the fluid-saturated porous medium and determine the speed at which elastic waves traverse through the medium. In this talk I will show how elastic modulus of a confined fluid in a nanopore can be calculated based on Monte Carlo and molecular dynamics simulations and illustrate it with calculations for various fluids. Additionally\, I will present our recent experimental measurements of elastic properties of water confined in nanoporous glass samples. Our results suggest that some of the models widely used for describing elasticity of fluid-saturated porous solids need to be revised.
URL:https://seasevents.nmsdev7.com/event/meam-seminar-elasticity-of-fluids-in-nanopores-molecular-modeling-and-ultrasonic-experiments/
LOCATION:Wu and Chen Auditorium (Room 101)\, Levine Hall\, 3330 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Seminar
ORGANIZER;CN="Mechanical Engineering and Applied Mechanics":MAILTO:meam@seas.upenn.edu
END:VEVENT
END:VCALENDAR