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DTSTART;TZID=America/New_York:20191014T120000
DTEND;TZID=America/New_York:20191014T130000
DTSTAMP:20260408T131647
CREATED:20190919T183103Z
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SUMMARY:PSOC Seminar : "Lessons from the Liver: From Chromosome Segregation to Tissue Regeneration"
DESCRIPTION:
URL:https://seasevents.nmsdev7.com/event/psoc-seminar-lessons-from-the-liver-from-chromosome-segregation-to-tissue-regeneration/
LOCATION:PICS Conference Room 534 – A Wing \, 5th Floor\, 3401 Walnut Street\, Philadelphia\, PA\, 19104\, United States
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20191016T150000
DTEND;TZID=America/New_York:20191016T160000
DTSTAMP:20260408T131647
CREATED:20190729T190618Z
LAST-MODIFIED:20190729T190618Z
UID:10006248-1571238000-1571241600@seasevents.nmsdev7.com
SUMMARY:CBE Seminar: "Examining Heterogeneous Populations of Microbes at the Single Cell Level Using Stabilized Emulsions”
DESCRIPTION:Abstract: \nConventional methods in microbiology can be limited by long assay execution and analysis times\, large reagent volumes\, and high single-use supply costs. These limitations can be overcome using drop-based microfluidics in which picoliter-sized\, water-in-oil emulsions serve as independent microreactors\, allowing for the compartmentalization of microbes and high-throughput assaying at the single cell level. Here\, drop-based microfluidics is used to interrogate the physiological heterogeneity of P. aeruginosa cells in a microbial population using a technique we name DropSOAC (Drop Stabilization On A Chip). The DropSOAC method stabilizes the position and volume of monodisperse water-in-oil drops with diameters <20 mm within a monolayer array on a microfluidic chip for 24 h. The stability of drops is maintained by soaking the device in a reservoir containing both water and oil in thermodynamic equilibrium. This ensures that phase equilibrium of the drop emulsion fluids within the porous PDMS material structure is maintained during drop incubation and imaging. Continuing this work\, we aim to study the rapid emergence of antibiotic resistance now observed in common bacterial strains to find effective treatments for persistent bacterial infections. This will be performed using a microfluidic chip that is capable of encapsulating in parallel\, 96 barcoded assay samples in drops using fluorescent particles. Using a custom-built microscope that can read fluorescence from drops at rates of thousands per second\, we demonstrate sorting for a particular barcode combination from our droplet library. The results presented here show the potential of drop-based microfluidics for high-throughput assaying of heterogeneous populations of microbes at the single cell level.
URL:https://seasevents.nmsdev7.com/event/cbe-seminar-examining-heterogeneous-populations-of-microbes-at-the-single-cell-level-using-stabilized-emulsions/
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
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BEGIN:VEVENT
DTSTART;TZID=America/New_York:20191016T150000
DTEND;TZID=America/New_York:20191016T163000
DTSTAMP:20260408T131647
CREATED:20191010T191029Z
LAST-MODIFIED:20191010T191029Z
UID:10006313-1571238000-1571243400@seasevents.nmsdev7.com
SUMMARY:MSE Special Seminar: “What They Don’t Teach You in School that You Need to Succeed in Life”
DESCRIPTION:
URL:https://seasevents.nmsdev7.com/event/mse-special-seminar-what-they-dont-teach-you-in-school-that-you-need-to-succeed-in-life/
LOCATION:Glandt Forum\, Singh Center for Nanotechnology\, 3205 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Colloquium
ORGANIZER;CN="Materials Science and Engineering":MAILTO:johnruss@seas.upenn.edu
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BEGIN:VEVENT
DTSTART;TZID=America/New_York:20191017T104500
DTEND;TZID=America/New_York:20191017T114500
DTSTAMP:20260408T131647
CREATED:20191010T191707Z
LAST-MODIFIED:20191010T191707Z
UID:10006314-1571309100-1571312700@seasevents.nmsdev7.com
SUMMARY:MSE Seminar: “Science and Applications of Topological Photonics across the Electromagnetic Spectrum”
DESCRIPTION:The 2016 Nobel Prize in Physics was awarded to Kosterlitz\, Thouless\, and Haldane for their pioneering theoretical work on the novel and counter-intuitive phases of matter that are now referred to as topological phases. Almost half a century after these researchers applied powerful mathematical techniques of topology to condensed matter systems\, a new rapidly developing area is taking shape\, now in the field of photonics. While very different in many respects from their condensed matter counterparts\, topological phases of light share some of their unique properties that make topological photonics particularly suitable for practical applications. Just as the inventors of photonic crystals (often referred to as the “semiconductors of light”) borrowed crucial ideas\, such as propagation bands\, bandgaps\, and Brillouin zone\, from condensed matter physics\, so do the researchers in the field of topological photonics that attempts to emulate the key concepts from low-dimensional topological materials. Those include photonic topological insulators (PTIs)\, reflection-less edge states that propagate along the domain walls of the PTIs\, and spin-polarized/valley-polarized transport. \nIn this talk\, Dr. Shvets will provide an overview of the field\, with special emphasis on the photonic emulation of the canonical quantum topological phases such as the Hall\, spin-Hall\, and valley-Hall phases. He will then describe how such heterogeneous PTIs can be integrated and used for developing novel devices such as compact circulators. Experimental results demonstrating reflection-less transport of topologically protected edge states will be presented. He will also discuss how the ideas from topological photonics can be used for complete reimagining of the architectures of photonic devices such as add/drop filters\, delay lines\, and logical gates based on the valley degree of freedom of photons (“photonic valleytronics”). Finally\, Dr. Shvets will discuss the prospects of realizing reconfigurable topological photonic structures on a nanoscale. The prospects for exciting topologically protected microwaves using high current beams\, and using the latter for high-power magnets-free microwave radiation\, will also be discussed.
URL:https://seasevents.nmsdev7.com/event/mse-seminar-science-and-applications-of-topological-photonics-across-the-electromagnetic-spectrum/
LOCATION:Auditorium\, LRSM Building\, 3231 Walnut Street\, Philadelphia\, PA\, 19104\, United States
ORGANIZER;CN="Materials Science and Engineering":MAILTO:johnruss@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20191018T150000
DTEND;TZID=America/New_York:20191018T160000
DTSTAMP:20260408T131647
CREATED:20190806T152312Z
LAST-MODIFIED:20190806T152312Z
UID:10006259-1571410800-1571414400@seasevents.nmsdev7.com
SUMMARY:ESE Seminar: "Information Security for the Connected World"
DESCRIPTION:Abstract: An all-wireless vision connecting billions of devices is finally in sight with the Internet-of-Everything paradigm. This vision entails large networks with dynamic connectivity\, ad hoc formation and heterogeneous nodes. Central to be able to integrate all our lives to this massive virtual domain is security and privacy of the information that flows through it. Current wireless systems have security of information as an add-on to current design\, and rely on application layer protocols\, which have worked well for the scale and the resources of the systems to date. Going forward however\, with massive scale formation of networks of asymmetric resources\, these protocols involving key exchanges and shared randomness for security may prove to be less than practical. \nSecuring information at the foundation of system design can alleviate these issues by replacing or strengthening the present cryptographic solutions. This foundational design approach brings us to information theoretic security for the all- connected world. In this talk\, we will provide an overview of this approach that relies on local randomness and produces information theoretic security guarantees\, e.g\, for confidentiality and authentication\, utilizing the properties of the transmission medium. We will review the insights that have emerged when information security is included as a design primitive and provide the state of the art directions towards realizing the potential of this approach. We will also introduce models where this approach can be integrated with encryption for nodes with local memory storage.
URL:https://seasevents.nmsdev7.com/event/ese-seminar-aylin-yenner/
LOCATION:PICS Conference Room 534 – A Wing \, 5th Floor\, 3401 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Seminar
ORGANIZER;CN="Electrical and Systems Engineering":MAILTO:eseevents@seas.upenn.edu
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