Optical properties of porous polylactide scaffolds

Vladimir I. Yusupov; Alexander P. Sviridov; Vyacheslav S. Zhigarkov; Andrey G. Shubnyy; Nataliya N. Vorobieva; Semyon N. Churbanov; Nikita V. Minaev; Peter S. Timashev; Yury A. Rochev; Victor N. Bagratashvili

doi:10.1117/12.2315006

26 April 2018 Optical properties of porous polylactide scaffolds

Vladimir I. Yusupov, Alexander P. Sviridov, Vyacheslav S. Zhigarkov, Andrey G. Shubnyy, Nataliya N. Vorobieva, Semyon N. Churbanov, Nikita V. Minaev, Peter S. Timashev, Yury A. Rochev, Victor N. Bagratashvili

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Proceedings Volume 10716, Saratov Fall Meeting 2017: Optical Technologies in Biophysics and Medicine XIX; 107161U (2018) https://doi.org/10.1117/12.2315006
Event: Saratov Fall Meeting 2017, 2017, Saratov, Russian Federation

Abstract

Light field intensity distribution in three-dimensional polylactide scaffolds after irradiation with low-intensity light from one side of the samples has been determined in the visible and near-infrared regions of the spectrum. Two different types of scaffolds manufactured by the methods of supercritical fluid foaming and surface selective laser sintering have been investigated. The problem is solved by numerical calculation according to the Monte Carlo method involving experimentally obtained information about effective optical parameters of the scaffold material. Information about intensity distribution of the incident light in the matrix volume is needed to assess the radiation level for the scaffold cells after photobiostimulation. It has been shown that the formation of the light field in case of strongly scattering media, such as polylactide scaffolds, is determined by anisotropy g and the scattering coefficient μs.

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Vladimir I. Yusupov, Alexander P. Sviridov, Vyacheslav S. Zhigarkov, Andrey G. Shubnyy, Nataliya N. Vorobieva, Semyon N. Churbanov, Nikita V. Minaev, Peter S. Timashev, Yury A. Rochev, and Victor N. Bagratashvili "Optical properties of porous polylactide scaffolds", Proc. SPIE 10716, Saratov Fall Meeting 2017: Optical Technologies in Biophysics and Medicine XIX, 107161U (26 April 2018); https://doi.org/10.1117/12.2315006

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KEYWORDS

Scattering

Light scattering

Foam

Anisotropy

Collimators

Optical properties

Collimation

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