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Dynamic mechanical analyzer curves as a function of measurement temperature. (a) Storage modulus and (b) loss modulus. For PLGA, PLGA/GO (1 wt%), and PLGA/GO (2 wt%) nanofibers. Optical microscope images of PC 12 cells on (c) PLGA nanofibers; (d) PLGA/GO (1 wt%) nanocomposites; (e) PLGA/GO (2 wt%) nanocomposites; and (f) cell proliferation and viability data obtained by WST-1 assay of the cells cultured for 2 days (n = 12, p <0.05) [85].
