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Characterization of nanoparticle size distributions using a microfluidic device with integrated optical microcavities

Abstract:

We introduce a method for analyzing the physical properties of nanoparticles in fluids via the competition between viscous drag and optical forces in a microfluidic device with integrated optical microcavities. The optical microcavity acts as a combined optical trap and sensor, such that the time duration of individual particle detection events can be used as a measure of particle size via a parameter which represents the dielectric polarizability per unit radius. Characterization of polymer ...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1039/d2lc00180b

Authors


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Role:
Author
ORCID:
0000-0003-3739-8799
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Institution:
University of Oxford
Division:
MPLS
Department:
Materials
Oxford college:
Mansfield College
Role:
Author
ORCID:
0000-0002-4572-0867
Publisher:
Royal Society of Chemistry
Journal:
Lab on a Chip More from this journal
Volume:
22
Issue:
18
Pages:
3499-3507
Publication date:
2022-08-10
Acceptance date:
2022-08-05
DOI:
EISSN:
1473-0189
ISSN:
1473-0197
Pmid:
35968777
Language:
English
Keywords:
Pubs id:
1275732
Local pid:
pubs:1275732
Deposit date:
2022-11-28

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