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Biosynthesis of Silver Nanoparticles Using Peel Extract of Raphanus sativus L.

机译:萝卜丝果皮提取物生物合成银纳米颗粒

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In present study, Silver nanoparticles (AgNPs) were synthesized using peel Raphanus sativus L extract that acts as a reducing and stabilizing agent. The AgNPs formation was observed as a color change of the mixture from red to dark-brownish we have developed a green synthetic method for silver nanoparticles using peel of R. sativus extract. Silver Nanoparticle prepared were characterized by using UV–visible spectroscopy, Scanning electron microscopy(SEM), X-ray diffraction (XRD) and Dynamic light scattering (DLS). The best Condition of experiments includes temperature 50°C, pH 9, time 0.5 h, sliver nitrate concentration 1 mM and mixing ratio of the reactant on sliver nanoparticles synthesis 5:95. The AgNPs showed surface plasmon resonance at 430 nm, size ranges from 34 nm to 50 nm determined by using a laser particle size analyzer (DLS).
机译:在目前的研究中,银纳米颗粒(AgNPs)是使用作为还原和稳定剂的果皮萝卜提取物合成的。观察到AgNPs的形成是混合物的颜色从红色变为深棕色,我们已经开发了一种绿色的合成方法,该方法可使用桔梗提取物的果皮合成银纳米颗粒。使用紫外可见光谱,扫描电子显微镜(SEM),X射线衍射(XRD)和动态光散射(DLS)对制备的银纳米颗粒进行表征。最佳实验条件包括温度50°C,pH 9,时间0.5 h,硝酸银的浓度为1 mM和反应物在银纳米颗粒合成中的混合比为5:95。 AgNPs显示出在430nm处的表面等离子体共振,通过使用激光粒度分析仪(DLS)确定的尺寸范围为34nm至50nm。

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