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期刊Effect of electron beam radio sterilization on cyclic olefin copolymers used as pharmaceutical storage materials.pdf

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Radiation Physics and Chemistry 84 (2013) 223–231 Contents lists available at SciVerse ScienceDirect Radiation Physics and Chemistry journal homepage: /locate/radphyschem Effect of electron beam radio sterilization on cyclic oleﬁn copolymers used as pharmaceutical storage materials Hala Barakat a,b,n, Caroline Aymes-Chodur a, Johanna Saunier a, Najet Yagoubi a a ´ ´ ´ ´ ´ ˆ Laboratoire Materiaux et Sante EA 401, IFR 141, Faculte de Pharmacie, Universite Paris Sud-11, 5 rue J. B. Clement, 92296 Chatenay-Malabry, France b Quality Control Departement, Faculty of Pharmacy, Tishreen University, Latakia, Syria a r t i c l e i n f o a b s t r a c t Article history: The aim of this work was to study the effect of radio-sterilization on cyclo oleﬁn copolymers (COC), that Received 1 January 2011 can be used as pharmaceutical storage materials, both on the surface and in the volume of the material, Accepted 1 January 2012 and to investigate the impact of the presence of a lubricant. A cyclo oleﬁn copolymer (TOPASs 8007) Available online 7 June 2012 was treated with an electron beam radio-sterilization at different doses ranging from 25 to 150 kGy. Keywords: Polymer structure and bulk properties were evaluated by Fourier Transform Infrared Spectroscopy COC (FTIR), Differential Scanning Calorimetry (DSC) and Size Exclusion Chromatograp