Issue 14, 2012
From the journal:

Nanoscale

A DNA-templated fluorescent silver nanocluster with enhanced stability†

Jaswinder Sharma,a   Reginaldo C. Rocha,a   M. Lisa Phipps,a   Hsin-Chih Yeh,a   Kirill A. Balatsky,a   Dung M. Vu,b   Andrew P. Shreve,c   James H. Wernera  and  Jennifer S. Martinez*a  

* Corresponding authors

a MPA-Center for Integrated Nanotechnologies, Los Alamos National Laboratory, MS K771, Los Alamos, NM 87545, USA
E-mail: jenm@lanl.gov
Fax: +1-505-665-9030
Tel: +1-505-665-0045

b C-PCS, Los Alamos National Laboratory, Los Alamos, NM 87545, USA

c Center for Biomedical Engineering and Department of Chemical and Nuclear Engineering, University of New Mexico, Albuquerque, NM 87131, USA

Abstract

We report the discovery of a DNA sequence that templates a highly stable fluorescent silver nanocluster. In contrast to other DNA templated silver nanoclusters that have a relatively short shelf-life, the fluorescent species templated in this new DNA sequence retains significant fluorescence for at least a year. Moreover, this new silver nanocluster possesses low cellular toxicity and enhanced thermal, oxidative, and chemical stability.

Graphical abstract: A DNA-templated fluorescent silver nanocluster with enhanced stability

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Article information

DOI
https://doi.org/10.1039/C2NR30662J
Article type
Communication
Submitted
19 Mar 2012
Accepted
05 May 2012
First published
30 May 2012

Nanoscale, 2012,4, 4107-4110

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A DNA-templated fluorescent silver nanocluster with enhanced stability

J. Sharma, R. C. Rocha, M. L. Phipps, H. Yeh, K. A. Balatsky, D. M. Vu, A. P. Shreve, J. H. Werner and J. S. Martinez, Nanoscale, 2012, 4, 4107 DOI: 10.1039/C2NR30662J

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