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MEAM PhD Thesis Defense: “A Differential Homogenization Framework for Precipitation-Strengthened Metals”

Zoom - Email MEAM for Link peterlit@seas.upenn.edu

Composite materials, such as metal- and polymer-matrix composites, exhibit both elastic and dissipative effects when subjected to macroscopic loadings. Even when the phases of the composite are characterized by a simple Maxwell rheology, the complex viscoelastic interactions between the phases give rise to emergent behavior at the macroscopic scale. Incorporating these ``long-memory'' effects in the […]

MEAM PhD Thesis Defense: “Dynamic Behavior of Periodic Media and Elastic Metamaterials”

Zoom - Email MEAM for Link peterlit@seas.upenn.edu

Periodic media and resonant, acoustic/elastic metamaterials possess extraordinary frequency band gaps where no waves may propagate. In this dissertation, we leverage numerical simulations to gain insight into practical ways to effectively measure and characterize the behavior of these materials from experimental observables and also explore physical mechanisms to optimize their performance, particularly in the context […]

MEAM PhD Thesis Defense: “Analytical Homogenization Estimates for the Effective Properties and Field Statistics of Viscoplastic Composites and Particle Suspensions”

Zoom - Email MEAM for Link peterlit@seas.upenn.edu

Heterogeneous materials are commonly found in nature (e.g. soil, rock, blood) and engineering applications (e.g. paints, lubricants, sintered materials). Understanding the microstructure-properties relations is crucial to predicting how these materials fail and behave during processing. In this thesis, we develop semi-analytical homogenization estimates for the macroscopic properties and field statistics of viscoplastic composites. A generalization […]

CBE PhD Dissertation Defense | “Process Development and Modeling for the Advancement of Direct Air Capture Technologies”

Zoom - Email CBE for link

Abstract:  "As the catastrophic effects of climate change are felt throughout our global society, we must take immediate action. A portfolio of climate solutions must include both deep and robust decarbonization, and systems to remove carbon dioxide directly from the atmosphere. One promising suite of carbon removal technologies is Direct Air Capture (DAC). DAC refers […]

BE Doctoral Dissertation Defense: “Mechano-regulation of meniscus development and maturation” (Tonia Tsinman)

https://upenn.zoom.us/j/96715197752

The Department of Bioengineering at the University of Pennsylvania and Dr. Rob Mauck are pleased to announce the Doctoral Dissertation Defense of Tonia Tsinman. Title: "Mechano-regulation of meniscus development and maturation" Date: October 29, 2021 Time: 11:00am The public is welcome to attend via zoom at the following  link: https://upenn.zoom.us/j/98160257924

CBE PhD Dissertation Defense | “3D-stiffness Microenvironment Leads to Nuclear Envelope Rupture, DNA Damage, and Genome Variation”

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

Abstract:  "Solid tumor cells grow in a stiff microenvironment with dense extracellular matrix (ECM) and condensed packing of adjacent cells. Tumor cells are capable of migrating through constricted pores formed by ECM or surrounded by other cells, and the nuclear envelope can break with repair factor mislocalization, further leading to DNA damage and genetic changes, […]

BE Dissertation Defense: “Versican/Collagen Interactions in Tissue Structure and Mechanics” (Dongning Chen)

BRB 253

The Department of Bioengineering at the University of Pennsylvania and Dr. Rebecca Wells are pleased to announce the Doctoral Dissertation Defense of Dongning Chen. Title: Versican/Collagen Interactions in Tissue Structure and Mechanics Date: Nov. 8, 2021 Time: 12pm    The public is welcome to attend in person at BRB 253 and via zoom: https://upenn.zoom.us/j/6088045110

MEAM Ph.D. Thesis Defense: “Flying Modular Robots: From Self-Assembling Structures in Midair to Embedding Grasping Capabilities”

Zoom - Email MEAM for Link peterlit@seas.upenn.edu

Flying modular robots offer a suitable autonomous platform for multiple applications such as: search and rescue, cargo lifting, and object transportation. In addition, modular robots in a swarm can use their own bodies as building units to assemble large structures. This thesis introduces ModQuad, the self-assembly structure that can cooperatively fly based on autonomous modules. […]

MEAM PhD Thesis Defense: “High Throughput Immunospecific Detection and Analysis of Subcellular Nanomaterials at the Single Particle Level”

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

Extracellular vesicles (EVs) have shown great potential in diagnostics, therapeutics, and have been discovered to play a key role in intercellular communication. The study of EVs in biological fluids has proven challenging due to the nanoscale size of EVs (30 nm-1 µm diameter), the enormous quantity of EVs present in clinical samples (e.g. 10E10/mL), and […]

ESE Ph.D. Thesis Defense: “Computer-aided Clinical Trials for Medical Devices”

Zoom - Meeting ID 916 4694 2571

Life-critical medical devices require robust safety and efficacy to treat patient populations with potentially large inter-patient and intra-patient variability. Today, the de facto standard for evaluating medical devices is the randomized clinical trial. However, even after years of device development many clinical trials fail. For example, in the Rhythm ID Goes Head to Head Trial […]