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Physics Colloquium, January 24, 2006Does hbar matter in biology?Robert H. AustinPrinceton UniversityAlthough globular proteins are complex nanoscale objects, they can be roughly characterized as having an inner core which is not in contact with the solvent and an outer shell which is strongly coupled with the solvent. In addition, a protein consists of a large number of somewhat anharmonic oscillators which interact with each other both through through-bond coupling and electromagnetic interactions. The question is: can concepts from condensed matter physics and basic quantum mechanics help us understand the dynamics of energy flow in these nanomachines? I'll discuss picosecond infrared experiments at FELIX, a free electron laser in Holland, which attempt to address this basic question. 4:00 p.m., Physics Research Building (PRB), Room 1080Reception at 3:45 p.m., Atrium, PRB |
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