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In Vitro Evaluation of Chemically Cross-Linked Shape-Memory Acrylate-Methacrylate Copolymer Networks as Ocular Implants

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机构: [1]Univ Sci & Technol Beijing, Sch Mat Sci & Engn, Beijing 100083, Peoples R China [2]Capital Med Univ, Beijing Tongren Eye Ctr, Beijing Tongren Hosp, Beijing Ophthalmol & Visual Sci Key Lab, Beijing 100730, Peoples R China
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Acrylates have been used in ophthalmic practice as a paradigmatic implant material for decades, especially as intraocular lens for their excellent transparency. A novel polymeric shape memory system of chemically cross-linked acrylate methacrylate copolymer networks was developed and characterized in this study. The thermomechanical properties, shape memory properties, transparency, and surface wettability as well as cytotoxicity were systematically evaluated to mimic the in vivo situation by differential scanning calorimetry (DSC), tensile tests, spectrophotometer. Abbe refractometer, contact angle measurements, and mu assay. It was found that the chemically cross-linked copolymer network behaves as an elastomer capable of arbitrary shaping above the glass-transition temperature. Transition temperatures of the networks were tunable through the change of the composition of monomers.

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出版当年[2009]版:
大类 | 2 区 化学
小类 | 2 区 物理化学
最新[2023]版:
大类 | 2 区 化学
小类 | 3 区 物理化学
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出版当年[2008]版:
Q1 CHEMISTRY, PHYSICAL
最新[2023]版:
Q3 CHEMISTRY, PHYSICAL

影响因子: 最新[2023版] 最新五年平均 出版当年[2008版] 出版当年五年平均 出版前一年[2007版] 出版后一年[2009版]

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第一作者机构: [1]Univ Sci & Technol Beijing, Sch Mat Sci & Engn, Beijing 100083, Peoples R China
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通讯机构: [1]Univ Sci & Technol Beijing, Sch Mat Sci & Engn, Beijing 100083, Peoples R China [2]Capital Med Univ, Beijing Tongren Eye Ctr, Beijing Tongren Hosp, Beijing Ophthalmol & Visual Sci Key Lab, Beijing 100730, Peoples R China
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