Analysis of Quantum Rod Diffusion by Polarized Fluorescence Correlation Spectroscopy

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To measure the polarization dependence of fluorescent probes, a confocal-microscope-based polarized fluorescence correlation spectroscopy system was developed, and the polarization dependence on the rotational diffusion of well-defined quantum rods (Qrods) was investigated and characterized. The rotational diffusion region of the Qrods was observed over a time range of less than 10(-5) s in a water solution, and the rotational diffusion parameters were extracted using a rotational diffusion model in which the viscosity of the solution media was varied. Our work demonstrated that polarized fluorescence correlation spectroscopy (FCS) is useful for investigating both the rotational and translational diffusion of fluorescent probes.
Publisher
SPRINGER/PLENUM PUBLISHERS
Issue Date
2014-09
Language
English
Article Type
Article
Keywords

ROTATIONAL DIFFUSION; TRANSLATIONAL DIFFUSION; LIVING CELLS; NANORODS; DOTS; FLUCTUATIONS; NANOCRYSTALS; BLINKING; MOBILITY; PROBES

Citation

JOURNAL OF FLUORESCENCE, v.24, no.5, pp.1371 - 1378

ISSN
1053-0509
DOI
10.1007/s10895-014-1367-2
URI
http://hdl.handle.net/10203/192783
Appears in Collection
PH-Journal Papers(저널논문)
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