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DTSTART;TZID=America/New_York:20230112T100000
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SUMMARY:MEAM Seminar: "Role of Water in the Mechanics of Cells and Tissues"
DESCRIPTION:A large fraction of cell and tissue mass is made of water. The flow of water across the cell surface follows osmotic and hydraulic pressure gradients\, and is actively controlled by the cell. This physical fact suggests that the mechanical behavior of cells is intimately connected with cell ionic homeostasis and osmotic control. In this talk\, we will describe some of our recent experimental and modeling work on water dynamics in cells. We explore how cells control their cytoplasm water content and therefore the cell size. We will describe how cells can use directional flow of water to propel themselves and migrate\, and in the case of epithelia\, pump fluid between tissue compartments. In the later case\, epithelial pumping of water can strongly influence tissue shape and morphogenesis.
URL:https://seasevents.nmsdev7.com/event/meam-seminar-role-of-water-in-the-mechanics-of-cells-and-tissues/
LOCATION:Glandt Forum\, Singh Center for Nanotechnology\, 3205 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Seminar
ORGANIZER;CN="Mechanical Engineering and Applied Mechanics":MAILTO:meam@seas.upenn.edu
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DTSTART;TZID=America/New_York:20230112T103000
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SUMMARY:MSE Seminar: “Building With Fluids: A Lazy Approach to Fabrication”
DESCRIPTION:In nature\, organized arrays of elements arise spontaneously from the interactions between their component parts\, e.g. reaction-diffusion problems\, clustering colloidal particles and granular media\, wrinkling surfaces\, propagating cracks and flowing liquids. In the wake of biomimicry\, I will discuss several strategies aiming to harness mechanical instabilities in flowing liquids\, e.g. coiling\, droplet formation\, digitation\, drainage\, capillary suction\, and use the regular shapes and universally self-organized patterns they naturally produce as templates for materials design. These flows are “frozen” as the liquids we use solidify into solids\, e.g.\, through curing\, cooling or evaporation. The shapes and patterns they form are universal and transcend the traditional divisions between scientific fields or even between living and inert matter. I will show that these similarities result from the mathematical analogies in the rules that govern pattern formation. In turn\, I will demonstrate how to compose with these rules to augment our manufacturing capabilities\, e.g. in soft robotics.
URL:https://seasevents.nmsdev7.com/event/mse-seminar-building-with-fluids-a-lazy-approach-to-fabrication/
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
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