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DNA capping agent control of electron transfer from silver nanoparticles

Abstract:

Silver nanoparticles capped with either DNA or citrate are investigated electrochemically using stripping voltammetry and nano-impacts. Whilst the citrate capped particles are readily oxidised to silver cations at 0.7 V, the DNA capped particles undergo electron transfer from the silver core to the electrode in two distinct potential ranges - 0.8 to 1.1 V and 1.125 to 1.2 V, and only undergo complete oxidation at the higher potential range. These potentials reflect the oxidation of guanine an...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Accepted manuscript

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Publisher copy:
10.1039/C7CP01721A

Authors


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Institution:
University of Oxford
Department:
Oxford, MPLS, Chemistry, Physical & Theoretical Chem
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Chemistry, Physical & Theoretical Chem
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Materials
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Chemistry, Physical & Theoretical Chem
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Grant:
(FP/2007-2013)/ERC Grant Agreement no. [320403]
Publisher:
Royal Society of Chemistry Publisher's website
Journal:
Physical Chemistry Chemical Physics Journal website
Volume:
19
Issue:
15
Pages:
9733-9738
Publication date:
2017-03-29
Acceptance date:
2017-03-29
DOI:
EISSN:
1463-9084
ISSN:
1463-9076
Pubs id:
pubs:687310
URN:
uri:725baac3-cf0f-4665-9c66-7243c7c89f5b
UUID:
uuid:725baac3-cf0f-4665-9c66-7243c7c89f5b
Local pid:
pubs:687310

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