Spatially resolved speckle-correlometry of sol-gel transition

A. A. Isaeva; E. A. Isaeva; A. V. Pantyukov; D. A. Zimnyakov

doi:10.1117/12.2315148

26 April 2018 Spatially resolved speckle-correlometry of sol-gel transition

A. A. Isaeva, E. A. Isaeva, A. V. Pantyukov, D. A. Zimnyakov

Proceedings Volume 10717, Saratov Fall Meeting 2017: Laser Physics and Photonics XVIII; and Computational Biophysics and Analysis of Biomedical Data IV; 107171H (2018) https://doi.org/10.1117/12.2315148
Event: Saratov Fall Meeting 2017, 2017, Saratov, Russian Federation

Abstract

Sol-gel transition was studied using the speckle correlometry method with a localized light source and spatial filtering of backscattered radiation. Water solutions of technical or food gelatin with added TiO₂ nanoparticles were used as studied objects. Structural transformation of "sol-gel" system was studied at various temperatures from 25°C to 50°C using analysis of the correlation and structure functions of speckle intensity fluctuations. The characteristic temperatures of “sol – gel” transition were evaluated for studied systems. Obtained results can be used for various applications in biomedicine and food industry.

Citation Download Citation

A. A. Isaeva, E. A. Isaeva, A. V. Pantyukov, and D. A. Zimnyakov "Spatially resolved speckle-correlometry of sol-gel transition", Proc. SPIE 10717, Saratov Fall Meeting 2017: Laser Physics and Photonics XVIII; and Computational Biophysics and Analysis of Biomedical Data IV, 107171H (26 April 2018); https://doi.org/10.1117/12.2315148

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