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Issue 46, 2012
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Silver atom and strand numbers in fluorescent and dark Ag:DNAs

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Abstract

We use tandem HPLC-mass spectrometry with in-line spectroscopy to identify silver atom numbers, NAg, of 10 to 21 in visible- to infrared-emitting Ag:DNA complexes stabilized by oligonucleotide monomers and dimers. Qualitatively different absorbance spectra from bare, same-NAg silver clusters point to silver-base interactions as the origin for the color of Ag:DNAs.

Graphical abstract: Silver atom and strand numbers in fluorescent and dark Ag:DNAs

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Article information


Submitted
08 Dec 2011
Accepted
28 Mar 2012
First published
28 Mar 2012

Chem. Commun., 2012,48, 5748-5750
Article type
Communication

Silver atom and strand numbers in fluorescent and dark Ag:DNAs

D. Schultz and E. G. Gwinn, Chem. Commun., 2012, 48, 5748
DOI: 10.1039/C2CC17675K

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