Optical and physical properties of wet-spun films of Na-hyaluronate. Evidence of a phase transition. |
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| Authors: | M R Flowers R L Marlow S A Lee N Lavalle and A Rupprecht |
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| Institution: | Department of Physics and Astronomy, University of Toledo, Ohio 43606. |
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| Abstract: | The refractive indices, water content, and volume of wet-spun films of Na-hyaluronate have been measured as a function of relative humidity (rh). These data are used with the Lorentz-Lorenz formula to determine the optical polarizabilities of Na-hyaluronate parallel and perpendicular to the helical axis. The analysis reveals a drop in the optical polarizabilities of approximately 20% between 80 and 88% rh, indicating a phase transition. |
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