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In situ nanoparticle sizing with zeptomole sensitivity.

Abstract:

We present the basis for an entirely new approach to in situ nanoparticle sizing. Nanoparticles containing just 12 zeptomoles (1 zeptomole = 10(-21) moles) of silver, are detected via in situ particle coulometry. These stochastic charge measurements correspond to the transfer of only 7000-8000 electrons, yielding direct information relating to the individual nanoparticle volumes. The resulting particle size distribution (average equivalent radius 5 nm) obtained via nanoparticle coulometry is ...

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Publication status:
Published
Peer review status:
Peer Reviewed

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Publisher copy:
10.1039/c5an00474h

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Institution:
University of Oxford
Department:
Oxford, MPLS, Chemistry, Physical and Theoretical Chem
Role:
Author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Chemistry, Physical and Theoretical Chem
Role:
Author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Chemistry, Physical and Theoretical Chem
Role:
Author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Chemistry, Physical and Theoretical Chem
Role:
Author
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Grant:
European Unions Seventh Framework Programme (FP/2007–2013)/ERC Grant Agreement No. [320403]
Journal:
The Analyst
Volume:
140
Issue:
15
Pages:
5048-5054
Publication date:
2015-07-05
DOI:
EISSN:
1364-5528
ISSN:
0003-2654
URN:
uuid:06a78630-92df-4b0b-9141-1cba8e553b46
Source identifiers:
527294
Local pid:
pubs:527294
Language:
English

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