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首页> 外文期刊>Journal of Applied Polymer Science >Preparation of chitin-CdTe quantum dots films and antibacterial effect on Staphylococcus aureus and Pseudomonas aeruginosa
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Preparation of chitin-CdTe quantum dots films and antibacterial effect on Staphylococcus aureus and Pseudomonas aeruginosa

机译：丁蛋白 - CdTe量子点薄膜的制备及葡萄球菌葡萄球菌和假单胞菌铜绿假单胞菌的抗菌作用

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摘要

Novel chitin-cadmium-tellurium quantum dot (Chitin-CdTeQD) hybrid films combining chitin and CdTe quantum dots (CdTeQDs) were prepared via a facile aqueous synthesis route at room temperature. Films were characterized by high-resolution field emission scanning electron microscopy (HR-FESEM) and energy dispersive X-ray (EDX) spectroscopy, Fourier transform infrared (FTIR) spectroscopy, thermogravimetric analysis (TGA), and X-ray diffraction analysis (XRD). Antibacterial activity was studied on both Gram-positive (Staphylococcus aureus) and Gram-negative (Pseudomonas aeruginosa) bacteria. Antibacterial properties were investigated with agar diffusion testing assay and with confocal laser scanning microscopic image analysis. Chitin-CdTeQD films exhibited an excellent antibacterial activity against both Gram-positive and Gram-negative bacteria. Chitin-CdTeQD films might be a desirable antibacterial material for wide range of biomedical applications including wound dressing, burn treatment, drug delivery systems, packaging, ophthalmology, and implants. (C) 2017 Wiley Periodicals, Inc.
机译：新颖壳多糖 - 镉 - 碲量子点（甲壳素CdTeQD）杂化膜结合几丁质和CdTe量子点（CdTeQDs）中制备经由一个浅显的含水合成路线在室温下。膜通过高分辨率的场发射扫描电子显微镜（HR-FESEM）和能量色散X射线（EDX）光谱，傅里叶变换红外光谱（FTIR），热重量分析（TGA），和X射线衍射分析（XRD，其特征在于）。抗菌活性研究了革兰氏阳性（金黄色葡萄球菌）和革兰氏阴性（绿脓杆菌）细菌。用琼脂扩散试验测定并且采用共聚焦激光扫描显微图像分析抗菌性能进行了研究。几丁质CdTeQD膜表现出对革兰氏阳性和革兰氏阴性细菌的优异的抗菌活性。几丁质CdTeQD膜可能是宽范围的生物医学应用，包括伤口敷料所希望的抗菌材料，烧伤治疗，药物递送系统，包装，眼科，和植入物。 （c）2017 Wiley期刊，Inc。

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