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The present work was aimed to prepare hydrogels from polymer blend between poly (N-vinyl pyrrolidone) (PVP) and methyl hydroxyethyl cellulose (MHEC) via 60Co gamma irradiation. The crosslinking structures in the hydrogels were induced by varying the irradiation doses from 10 to 40 kGy. The gel fraction and the swelling ratio of hydrogels were characterized. The results showed that the swelling ratio...
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