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15 March 2023 On the relationship between shear and longitudinal moduli of hydrogels (Conference Presentation)
Raymundo Rodriguez López, George Fytas, Peter Kofinas, Zuyuan Wang, Metecan Erdi, Giuliano Scarcelli
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Proceedings Volume PC12381, Optical Elastography and Tissue Biomechanics X; PC123810L (2023) https://doi.org/10.1117/12.2650290
Event: SPIE BiOS, 2023, San Francisco, California, United States
Abstract
Brillouin microscopy provides information about the longitudinal modulus (M’) of materials; however, in cell and tissue biomechanics the preferred information for mechanical characterizations is the Shear Modulus (G’). These two quantities have been empirically correlated, but this correlation is ill-defined due to the different underlying physics corresponding to these moduli. Using hydrogels as models, we hypothesize and demonstrate that the empirical connection between the two moduli is due to underlying biochemical and physical local packaging.
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Raymundo Rodriguez López, George Fytas, Peter Kofinas, Zuyuan Wang, Metecan Erdi, and Giuliano Scarcelli "On the relationship between shear and longitudinal moduli of hydrogels (Conference Presentation)", Proc. SPIE PC12381, Optical Elastography and Tissue Biomechanics X, PC123810L (15 March 2023); https://doi.org/10.1117/12.2650290
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KEYWORDS
Polymers
Microscopy
Physics
Tissues
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