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X-WR-CALDESC:Events for Physics & Astronomy
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DTSTART;TZID=America/Chicago:20181102T153000
DTEND;TZID=America/Chicago:20181102T163000
DTSTAMP:20190116T144718Z
CREATED:20180918T165757Z
LAST-MODIFIED:20190116T144718Z
UID:10396522-1541172600-1541176200@uwm.edu
SUMMARY:Physics Colloquium - Thomas T. Perkins
DESCRIPTION:Thomas T. Perkins\, JILA \nWatching Individual Proteins Unfold and Refold Using 1-µs Resolution Force Spectroscopy \nProtein folding occurs as a set of transitions between structural states within an energy landscape. An oversimplified view of the folding process emerges when transiently populated states are undetected because of limited instrumental resolution. To achieve state-of-the-art performance\, we integrated several recent technical advances that improve the precision\, stability\, and accuracy of AFM-based single molecule force spectroscopy. Using modified cantilevers optimized for 1-µs resolution\, we reexamined the unfolding of individual bacteriorhodopsin (bR) molecules in native lipid bilayers.  The experimental data revealed the unfolding pathway in unprecedented detail.  Numerous newly detected intermediates—many separated by as few as 2–3 amino acids—exhibited complex dynamics\, including frequent refolding and state occupancies of <10 µs. Equilibrium measurements between such states enabled the folding free-energy landscape to be deduced.  These results sharpen the picture of the mechanical unfolding of bR.  Finally\, recent efforts to improve the quantity and quality of AFM studies of diverse biomolecules\, including nucleic-acid structures and globular proteins\, will be discussed. \nEvent posting flyer here
URL:https://uwm.edu/physics/event/colloquium-thomas-perkins/
LOCATION:Lapham 160\, 3209 N. Maryland Ave.\, Milwaukee\, WI\, 53211\, United States
CATEGORIES:Physics Colloquia
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BEGIN:VEVENT
DTSTART;TZID=America/Chicago:20181109T153000
DTEND;TZID=America/Chicago:20181109T163000
DTSTAMP:20230119T213420Z
CREATED:20180918T165757Z
LAST-MODIFIED:20230119T213420Z
UID:10393533-1541777400-1541781000@uwm.edu
SUMMARY:Physics Colloquium - Open
DESCRIPTION:There is no speaker currently scheduled for this week.
URL:https://uwm.edu/physics/event/colloquium-open/2018-11-09/
LOCATION:Lapham 160\, 3209 N. Maryland Ave.\, Milwaukee\, WI\, 53211\, United States
CATEGORIES:Physics Colloquia
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END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Chicago:20181116T153000
DTEND;TZID=America/Chicago:20181116T163000
DTSTAMP:20230119T213420Z
CREATED:20180918T165757Z
LAST-MODIFIED:20230119T213420Z
UID:10393534-1542382200-1542385800@uwm.edu
SUMMARY:Physics Colloquium - Open
DESCRIPTION:There is no speaker currently scheduled for this week.
URL:https://uwm.edu/physics/event/colloquium-open/2018-11-16/
LOCATION:Lapham 160\, 3209 N. Maryland Ave.\, Milwaukee\, WI\, 53211\, United States
CATEGORIES:Physics Colloquia
X-TRIBE-STATUS:
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BEGIN:VEVENT
DTSTART;TZID=America/Chicago:20181123T153000
DTEND;TZID=America/Chicago:20181123T163000
DTSTAMP:20180918T170718Z
CREATED:20180918T165757Z
LAST-MODIFIED:20180918T170718Z
UID:10396523-1542987000-1542990600@uwm.edu
SUMMARY:No Physics Colloquium - Thanksgiving
DESCRIPTION:There is no physics colloquium scheduled for this week due to Thanksgiving.
URL:https://uwm.edu/physics/event/colloquium-open-2018-11-23/
LOCATION:Lapham 160\, 3209 N. Maryland Ave.\, Milwaukee\, WI\, 53211\, United States
CATEGORIES:Physics Colloquia
X-TRIBE-STATUS:
GEO:43.0757204;-87.8840564
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=Lapham 160 3209 N. Maryland Ave. Milwaukee WI 53211 United States;X-APPLE-RADIUS=500;X-TITLE=3209 N. Maryland Ave.:geo:-87.8840564,43.0757204
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Chicago:20181130T153000
DTEND;TZID=America/Chicago:20181130T163000
DTSTAMP:20190116T144843Z
CREATED:20180918T165757Z
LAST-MODIFIED:20190116T144843Z
UID:10380413-1543591800-1543595400@uwm.edu
SUMMARY:Physics Colloquium - Peter Milonni
DESCRIPTION:Peter W. Milonni\, Theoretical Division\, Los Alamos National Lab and Dept. of Physics & Astronomy\, Univ. of Rochester \nZero-Point Energy: Still Interesting (and Mysterious) After All These Years \nFollowing a brief review of how zero-point energy first appeared in quantum theory\, and how the concept has come to be accepted over the years\, I will describe some of the evidence for the physical reality of zero-point energy and zero-point fluctuations\, especially in the context of quantum electrodynamics and quantum optics. I will also address some questions surrounding the existence of zero-point energy. \nEvent flyer available here
URL:https://uwm.edu/physics/event/colloquium-peter-milonni/
LOCATION:Lapham 160\, 3209 N. Maryland Ave.\, Milwaukee\, WI\, 53211\, United States
CATEGORIES:Physics Colloquia
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