Spatiotemporal Dynamics of Laser-Induced Molecular Crystal Precursors Visualized by Particle Image Diffusometry

We have succeeded in label-free visualization of spatiotemporal dynamics of laser-induced crystal precursors in aqueous solutions. The tracking-free evaluation of the diffusion-coefficient field for the observation domain with tens of micrometers on a side from microscopy movie data is realized by p...

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Published inThe journal of physical chemistry letters Vol. 10; no. 23; pp. 7452 - 7457
Main Authors Hanasaki, Itsuo, Okano, Kazuki, Yoshikawa, Hiroshi Y, Sugiyama, Teruki
Format Journal Article
LanguageEnglish
Published United States American Chemical Society 05.12.2019
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Summary:We have succeeded in label-free visualization of spatiotemporal dynamics of laser-induced crystal precursors in aqueous solutions. The tracking-free evaluation of the diffusion-coefficient field for the observation domain with tens of micrometers on a side from microscopy movie data is realized by particle image diffusometry (PID). PID revealed the time fluctuation of coverage composition with the nonuniform space distribution of diffusion coefficients by the prenucleation clusters. Furthermore, the results indicate the existence of a loose aggregation domain of prenucleation clusters where the order of viscosity corresponds to that of honey.
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content type line 23
ISSN:1948-7185
1948-7185
DOI:10.1021/acs.jpclett.9b02571