Fruit of the Vine, Two Buck Chuck, or Lighter Fluid: Nuclear Magnetic Resonance in Wine and Homeland Security Problems

Speaker: 
Matthew Augustine (UC Davis)
Event Date and Time: 
Thu, 2012-03-22 16:00 - 17:00
Location: 
Hennings 201
Local Contact: 
Carl Michal
Intended Audience: 
Undergraduate
With the emergence of a new technique, wine collectors now have a promising procedure for quantifying the amount of spoilage in unopened bottles of fine and, often, expensive wine. Although originally developed to screen for the oxidative spoilage of fine wine, this full bottle nuclear magnetic resonance (NMR) method has recently been extended to the detection of explosive liquid precursors in stream of commerce non-ferrous metal containers. The use of lower magnetic fields and carefully designed radio frequency pulses are what make the measurement of magnetic resonance signals in conducting containers possible. Spin-off projects involving multi-photon excitation and rf field focusing will also be mentioned.
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