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Reports on Materials Science Findings from University of Munich Provide New Insights (Plasmonic Nanoantenna Arrays for Surface-Enhanced Raman...

August 5, 2014



Reports on Materials Science Findings from University of Munich Provide New Insights (Plasmonic Nanoantenna Arrays for Surface-Enhanced Raman Spectroscopy of Lipid Molecules Embedded in a Bilayer Membrane)

By a News Reporter-Staff News Editor at Journal of Technology -- Fresh data on Materials Science are presented in a new report. According to news reporting out of Munich, Germany, by VerticalNews editors, research stated, "We demonstrate a strategy for surface-enhanced Raman spectroscopy (SERS) of supported lipid membranes with arrays of plasmonic nanoantennas. Colloidal lithography refined with plasma etching is used to synthesize arrays of triangular shaped gold nanoparticles."

Our news journalists obtained a quote from the research from the University of Munich, "Reducing the separation distance between the triangle tips leads to plasmonic coupling and to a strong enhancement of the electromagnetic field in the nanotriangle gap. As a result, the Raman scattering intensity of molecules that are located at this plasmonic 'hot-spot' can be increased by several orders of magnitude. The nanoantenna array is then embedded with a supported phospholipid membrane which is fluid at room temperature and spans the antenna gap."

According to the news editors, the research concluded: "This configuration offers the advantage that molecules that are mobile within the bilayer membrane can enter the 'hot-spot' region via diffusion and can therefore be measured by SERS without static entrapment or adsorption of the molecules to the antenna itself."

For more information on this research see: Plasmonic Nanoantenna Arrays for Surface-Enhanced Raman Spectroscopy of Lipid Molecules Embedded in a Bilayer Membrane. ACS Applied Materials & Interfaces, 2014;6(12):8947-8952. ACS Applied Materials & Interfaces can be contacted at: Amer Chemical Soc, 1155 16TH St, NW, Washington, DC 20036, USA. (American Chemical Society - www.acs.org; ACS Applied Materials & Interfaces - www.pubs.acs.org/journal/aamick)

Our news journalists report that additional information may be obtained by contacting P. Kuhler, University of Munich, Center NanoSci CeNS, D-80799 Munich, Germany. Additional authors for this research include M. Weber and T. Lohmuller.

Keywords for this news article include: Munich, Europe, Germany, Materials Science

Our reports deliver fact-based news of research and discoveries from around the world. Copyright 2014, NewsRx LLC


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Source: Journal of Technology


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