Acoustofluidics-Assisted Engineering of Multifunctional Three-Dimensional Zinc Oxide Nanoarrays.
SERS sensing
ZnO nanoarray
acoustics
acoustofluidics
microfluidics
Journal
ACS nano
ISSN: 1936-086X
Titre abrégé: ACS Nano
Pays: United States
ID NLM: 101313589
Informations de publication
Date de publication:
26 05 2020
26 05 2020
Historique:
pubmed:
1
5
2020
medline:
15
5
2021
entrez:
1
5
2020
Statut:
ppublish
Résumé
The integration of acoustics and microfluidics (termed acoustofluidics) presents a frontier in the engineering of functional micro-/nanomaterials. Acoustofluidic techniques enable active and precise spatiotemporal control of matter, providing great potential for the design of advanced nanosystems with tunable material properties. In this work, we introduce an acoustofluidic approach for engineering multifunctional three-dimensional nanostructure arrays and demonstrate their potential in enrichment and biosensing applications. In particular, our acoustofluidic device integrates an acoustic transducer with a sharp-edge-based acoustofluidic reactor that enables uniform patterning of zinc oxide (ZnO) nanoarrays with customizable lengths, densities, diameters, and other properties. The resulting ZnO nanoarray-coated glass capillaries can rapidly and efficiently capture and enrich biomolecules with sizes ranging from a few nanometers to several hundred nanometers. In order to enable the detection of these biomolecules, silver (Ag) nanoparticles are deposited onto the ZnO nanoarrays, and the integrated ZnO-Ag capillary device functions as a label-free plasmonic biosensing system for surface-enhanced Raman spectroscopy (SERS) based detection of exosomes, DNA oligonucleotides, and
Identifiants
pubmed: 32352741
doi: 10.1021/acsnano.0c02145
pmc: PMC7415004
mid: NIHMS1612304
doi:
Substances chimiques
Silver
3M4G523W1G
Zinc Oxide
SOI2LOH54Z
Types de publication
Journal Article
Research Support, N.I.H., Extramural
Research Support, Non-U.S. Gov't
Research Support, U.S. Gov't, Non-P.H.S.
Langues
eng
Sous-ensembles de citation
IM
Pagination
6150-6163Subventions
Organisme : NIGMS NIH HHS
ID : R01 GM135486
Pays : United States
Organisme : NIA NIH HHS
ID : R43 AG063643
Pays : United States
Organisme : NCATS NIH HHS
ID : UG3 TR002978
Pays : United States
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