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首页> 美国卫生研究院文献>Materials >In Situ Synthesis of Silver Nanoparticles on Cellulose Fibers Using D-Glucuronic Acid and Its Antibacterial Application
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In Situ Synthesis of Silver Nanoparticles on Cellulose Fibers Using D-Glucuronic Acid and Its Antibacterial Application

机译：D-葡萄糖醛酸在纤维素纤维上原位合成银纳米粒子及其抗菌应用

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摘要

The development of ecofriendly procedures to avoid the use of toxic chemicals for the synthesis of stable silver nanoparticles (AgNPs) is highly desired. In the present study, we reported an eco-friendly and green technique for in situ fabrication of AgNPs on bleached hardwood pulp fibers (bhpFibers) using D-glucuronic acid as the only reducing agent. Different amounts of D-glucuronic acid were introduced and its effect on the size and distribution of AgNPs on the bhpFibers was discussed. The morphology and structures of bhpFibers@AgNPs were proved by electron microscope-dispersive spectroscopy (SEM-EDS), X-ray diffraction (XRD), Fourier transform infrared (FT-IR) and X-ray photoelectron spectroscopy (XPS). Then, a series of bhpFibers@AgNPs with different AgNPs loadings were also prepared by adjusting the concentration of the AgNO solution. After a papermaking process via vacuum filtration, the prepared papers displayed an outstanding antibacterial performance against (gram -negative) and (gram-positive). It is foreseeable that the bhpFibers@AgNPs have a promising application in the field of biomedical.
机译：迫切需要开发环保程序以避免使用有毒化学物质来合成稳定的银纳米颗粒（AgNP）。在本研究中，我们报道了使用D-葡萄糖醛酸作为唯一还原剂在漂白硬木纸浆纤维（bhpFibers）上原位制备AgNPs的绿色环保技术。引入了不同量的D-葡萄糖醛酸，并讨论了其对bhpFibers上AgNP的大小和分布的影响。通过电子显微镜-色散光谱法（SEM-EDS），X射线衍射（XRD），傅立叶变换红外光谱（FT-IR）和X射线光电子能谱（XPS）证明了bhpFibers @ AgNPs的形态和结构。然后，通过调节AgNO溶液的浓度，制备了一系列具有不同AgNPs负载的bhpFibers @ AgNPs。在通过真空过滤的造纸过程之后，所制备的纸对（革兰氏阴性）和（革兰氏阳性）显示出优异的抗菌性能。可以预见，bhpFibers @ AgNPs在生物医学领域具有广阔的应用前景。

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