[CCoE Notice] Seminar: Extraordinary Acoustic Raman (EAR): Listening to Proteins

[Grayson, Audrey A]

[cid:387D6445-6B09-4CF2-9588-C3F3A11514F7]
SEMINAR
Wednesday, April 1, 2015
SEC 204: 10:00 AM– 11:00 AM


Speaker: Reuven Gordon
Reuven Gordon received his Ph.D. in Physics from the University of Cambridge. In 2002, he joined the University of Victoria, where he currently holds a Canada Research Chair in Nanoplasmonics and a Professor position in the Department of Electrical and Computer Engineering. In 2009, Dr. Gordon was a visiting Professor at the Institute for Photonic Sciences (ICFO, Barcelona, Spain). He has received a Canadian Advanced Technology Alliance Award (2001), an Accelerate BC Industry Impact Award (2007), an AGAUR Visiting Professor Fellowship (2009), and the Craigdarroch Silver Medal for Research Excellence (2011). Dr. Gordon has authored and co-authored over 120 journal papers (including 7 invited contributions). He is co-inventor for three patents and four patent applications. Dr. Gordon is a Professional Engineer of BC. Dr. Gordon has been recognized as an "Outstanding Referee" by the American Physical Society.


Abstract: Extraordinary Acoustic Raman (EAR): Listening to Proteins
Colloidal quantum dots, proteins, viruses, DNA and all other nanoparticles have acoustic vibrations that can act as ‘fingerprints’ to identify their shape, size and mechanical properties, yet high-resolution Raman spectroscopy in this low-energy range has been lacking. Here, we introduce extraordinary acoustic Raman (EAR) spectroscopy, a new technique to measure the Raman-active vibrations of single isolated nanoparticles in the 0.1–10 wavenumber range with ∼0.05 wavenumber resolution. We show how it can be used to distinguish proteins and measure material anisotropy in nanoparticles. I will also discuss more generally nanoaperture optical tweezers and their applications to sensing and studying protein interactions.
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