19 February 2018 Brillouin light scattering spectroscopy for tissue engineering application
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Abstract
Biomechanical properties of mammalian bones, such as strength, toughness and plasticity, are essential for understanding how microscopic scale mechanical features can link to macroscale bones’ strength and fracture resistance. We employ Brillouin light scattering (BLS) micro-spectroscopy for local assessment of elastic properties of bones under compression and the efficacy of the tissue engineering approach based on heparin-conjugated fibrin (HCF) hydrogels, bone morphogenic proteins (BMPs) and osteogenic stem cells in the regeneration of the bone tissues. BLS is noninvasive and label-free imaging modality for probing mechanical properties of hard tissues that can give information on structure-function properties of normal and pathological tissues. Results showed that HCF gels containing combination of all factors had the best effect with complete defect regeneration at week 9 and that the bones with fully consolidated fractures have higher values of elastic moduli compared to the bones with defects.
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Dana Akilbekova, Dana Akilbekova, Talgat Yakupov, Talgat Yakupov, Vyacheslav Ogay, Vyacheslav Ogay, Bauyrzhan Umbayev, Bauyrzhan Umbayev, Vladislav V. Yakovlev, Vladislav V. Yakovlev, Zhandos N. Utegulov, Zhandos N. Utegulov, } "Brillouin light scattering spectroscopy for tissue engineering application", Proc. SPIE 10496, Optical Elastography and Tissue Biomechanics V, 104961I (19 February 2018); doi: 10.1117/12.2289923; https://doi.org/10.1117/12.2289923
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