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Antimicrobial and optical properties of PET chemically modified and grafted with borane compounds

机译:用硼烷化合物化学修饰的PET的抗微生物和光学性质

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摘要

Polyethylene terephthalate (PET) foils were activated with piranha solution and grafted with selected amino compounds (cysteamine, ethylenediamine or chitosan) and then with borane compounds. Changes in their surface properties after particular modification steps were examined using electrokinetic analysis, X-ray photoelectron spectroscopy (XPS), goniometry and UV-vis spectroscopy. Several tests showed that the presence of some amino compounds and one borane cluster significantly improved the antimicrobial properties of the composites investigated. In particular, they exhibited strong antibacterial activity against Staphylococcus epidermidis but only weak activity against Escherichia coli. The samples modified with amino compounds and subsequently with borane clusters were luminescent under UV lamp irradiation. Therefore, the nanocomposites consisting of (cheap) polymer and (more expensive) borane could be used in luminophore development, medicine or environmental protection.
机译:用Piranha溶液活化聚对苯二甲酸乙二醇酯(PET)箔,并用选定的氨基化合物(半胱胺,乙二胺或壳聚糖)接枝,然后用硼烷化合物接枝。 使用电动分析,X射线光电子能谱(XPS),焦管测量法和UV-Vis光谱检查特定修改步骤后其表面性质的变化。 几次测试表明,存在一些氨基化合物和一个硼烷簇的存在显着改善了所研究的复合材料的抗微生物性质。 特别是,它们表现出对葡萄球菌的强烈抗菌活性,但仅对对大肠杆菌的弱活动弱。 用氨基化合物和随后用硼烷簇改性的样品在UV灯照射下发光。 因此,由(廉价)聚合物和(更昂贵)硼烷组成的纳米复合材料可用于发光体发育,药物或环保。

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  • 来源
    《RSC Advances》 |2018年第27期|共8页
  • 作者单位

    JE Purkinje Univ Usti Nad Labem Fac Sci Ceske Mladeze 8 Usti Nad Labem 40096 Czech Republic;

    JE Purkinje Univ Usti Nad Labem Fac Sci Ceske Mladeze 8 Usti Nad Labem 40096 Czech Republic;

    JE Purkinje Univ Usti Nad Labem Fac Sci Ceske Mladeze 8 Usti Nad Labem 40096 Czech Republic;

    Univ Chem &

    Technol Prague Inst Solid State Engn Tech 5 Prague 16628 6 Czech Republic;

    JE Purkinje Univ Usti Nad Labem Fac Sci Ceske Mladeze 8 Usti Nad Labem 40096 Czech Republic;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学;
  • 关键词

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