A Shiny New Tool for Imaging Biomolecules « Berkeley Lab News Center

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URL

http://newscenter.lbl.gov/feature-stories/2012/03/23/a-shiny-new-tool-for-imaging-biomolecules/

Description

Researchers with the U.S. Department of Energy (DOE)’s Lawrence Berkeley National Laboratory (Berkeley Lab) and the University of California (UC) Berkeley, have developed the first practical application of optical nanoantennas in cell membrane biology. A scientific team led by chemist Jay Groves has developed a technique for lacing artificial lipid membranes with billions of gold “bowtie” nanoantennas. Through the phenomenon known as “plasmonics,” these nanoantennas can boost the intensity of a fluorescent or Raman optical signal from a protein passing through a plasmonic “hot-spot” tens of thousands of times without the protein ever being touched.

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