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Capillary-assisted flat-field formation: a platform for advancing nanoparticle tracking analysis in an integrated on-chip optofluidic environment.
- Source :
- Nanophotonics (21928606); Jul2024, Vol. 13 Issue 17, p3135-3145, 11p
- Publication Year :
- 2024
-
Abstract
- Here, we present the concept of flat-field capillary-assisted nanoparticle tracking analysis for the characterization of fast diffusing nano-objects. By combining diffusion confinement and spatially invariant illumination, i.e., flat-fields, within a fiber-interfaced on-chip environment, ultra-long trajectories of fast diffusing objects within large microchannels have been measured via diffraction-limited imaging. Our study discusses the design procedure, explains potential limitations, and experimentally confirms flat-field formation by tracking gold nanospheres. The presented concept enables generating flat-fields in a novel on-chip optofluidic platform for the characterization of individual nano-objects for fundamental light/matter investigations or applications in bioanalytics and nanoscale material science. [ABSTRACT FROM AUTHOR]
- Subjects :
- NANOPARTICLES
NANOSTRUCTURED materials
NANOSCIENCE
MATERIALS science
OPTICAL fibers
Subjects
Details
- Language :
- English
- ISSN :
- 21928606
- Volume :
- 13
- Issue :
- 17
- Database :
- Complementary Index
- Journal :
- Nanophotonics (21928606)
- Publication Type :
- Academic Journal
- Accession number :
- 178620155
- Full Text :
- https://doi.org/10.1515/nanoph-2024-0139