Optical and thermal fields induced in the bone marrow by external laser irradiation

Yusupov, V. I.; Vorobyeva, N. N.; Chailakhyan, R. K.; Sviridov, Аlexander P.

doi:10.1007/s10103-021-03380-4

Cited by 3 publications

(1 citation statement)

References 28 publications

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“…Using the given initial and boundary conditions, as well as the known optical characteristics of the material, this method makes it possible to calculate the distributions of light intensity and absorbed energy in samples of polylactide scaffolds and tissues. 90,95,97 Unfortunately, Monte Carlo-based photon migration is significantly limited by the low computational efficiency.…”

Section: Optical Properties Of Tissue-engineered Constructs and Scaff...mentioning

confidence: 99%

Photobiomodulation in 3D tissue engineering

et al. 2022

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. Significance : The method of photobiomodulation (PBM) has been used in medicine for a long time to promote anti-inflammation and pain-resolving processes in different organs and tissues. PBM triggers numerous cellular pathways including stimulation of the mitochondrial respiratory chain, alteration of the cytoskeleton, cell death prevention, increasing proliferative activity, and directing cell differentiation. The most effective wavelengths for PBM are found within the optical window (750 to 1100 nm), in which light can permeate tissues and other water-containing structures to depths of up to a few cm. PBM already finds its applications in the developing fields of tissue engineering and regenerative medicine. However, the diversity of three-dimensional (3D) systems, irradiation sources, and protocols intricate the PBM applications. Aim: We aim to discuss the PBM and 3D tissue engineered constructs to define the fields of interest for PBM applications in tissue engineering. Approach : First, we provide a brief overview of PBM and the timeline of its development. Then, we discuss the optical properties of 3D cultivation systems and important points of light dosimetry. Finally, we analyze the cellular pathways induced by PBM and outcomes observed in various 3D tissue-engineered constructs: hydrogels, scaffolds, spheroids, cell sheets, bioprinted structures, and organoids. Results: Our summarized results demonstrate the great potential of PBM in the stimulation of the cell survival and viability in 3D conditions. The strategies to achieve different cell physiology states with particular PBM parameters are outlined. Conclusions: PBM has already proved itself as a convenient and effective tool to prevent drastic cellular events in the stress conditions. Because of the poor viability of cells in scaffolds and the convenience of PBM devices, 3D tissue engineering is a perspective field for PBM applications.

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Section: Optical Properties Of Tissue-engineered Constructs and Scaff...mentioning

confidence: 99%