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Tiny nanocubes help scientists tell left from right
Date:6/28/2013

The observed amplification of the circular dichroism signal is a consequence of the interaction between the plasmonic particles and the "exciton," or energy absorbing, electrons within the DNA-nanocube complex, the scientists explained.

"This research could serve as a promising platform for ultrasensitive sensing of chiral molecules and their transformations in synthetic, biomedical, and pharmaceutical applications," Lu said.

"In addition," said Gang, "our approach offers a way to fabricate, via self-assembly, discrete plasmonic nano-objects with a chiral optical response from structurally non-chiral nano-components. These chiral plasmonic objects could greatly enhance the design of metamaterials and nano-optics for applications in energy harvesting and optical telecommunications."


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Contact: Karen McNulty Walsh
kmcnulty@bnl.gov
631-344-8350
DOE/Brookhaven National Laboratory
Source:Eurekalert

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