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  • Title: Preparation and characterization of silicone rubber/nano-copper nanocomposites for use in intrauterine devices.
    Author: Chen Y, Luo Y, Jia Z, Jia D, Chen J.
    Journal: Biomed Mater Eng; 2014; 24(1):1269-74. PubMed ID: 24212022.
    Abstract:
    In this work, a novel silicone rubber/nano-copper nanocomposite for use in intrauterine devices (IUDs) was developed. Moreover, the release rate of Cu2+ ions and the water absorption of the prepared nanocomposite were investigated in detail. The results indicate that the release rate of Cu2+ ions and water absorption capability of the silicone rubber/nanocopper nanocomposite increase as the nano-copper content increases. SEM analysis suggested there is a uniform dispersion of nano-copper in the silicone matrix. Further, systematic analysis indicated that the release rate of Cu2+ ions in the prepared nanocomposite-based IUD can be stabilized for months, which is not possible in the case of traditional IUDs.
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