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Economical synthesis of silver nanoparticles using leaf extract of Acalypha hispida and its application in the detection of Mn(II) ions

机译:利用棉铃虫叶提取物经济地合成银纳米颗粒及其在检测锰离子中的应用

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摘要

class="kwd-title">Keywords: Acalypha hispida, Silver nanoparticles, TEM, GC–MS, Mn(II) ions, Industrial effluents class="head no_bottom_margin" id="ab010title">AbstractThis study was focused on the synthesis of silver nanoparticles using Acalypha hispida leaf extract and the characterization of the particles using UV–Vis spectroscopy, XRD, FT-IR, and TEM. The results showed the formation of silver nanoparticles, crystalline in nature, with an average size of 20–50 nm. The leaf extract components were analyzed with GC–MS and exhibited a high content of Phytol (40.52%), n-Hexadecanoic acid (9.67%), 1,2,3-Benzenetriol (7.04%), α-d-Mannofuranoside methyl (6.22%), and d-Allose (4.45%). The optimization and statistical investigation of reaction parameters were studied and maximum yield with suitable properties of silver nanoparticles was obtained at leaf extract volume (0.5 mL), the concentration of silver nitrate (1.75 mM), and reaction temperature (50 °C). The method of detecting Mn2+ ions using the colloidal silver nanoparticles was discussed. The minimum and maximum detection limit were found to be 50 and 200 µM of Mn(II) ions, respectively. Thus, the obtained results encourage the use of economical synthesis of silver nanoparticles in the development of nanosensors to detect the pollutants present in industrial effluents.
机译:<!-fig ft0-> <!-fig @ position =“ position” anchor“ == f4-> <!-fig mode =” anchred“ f5-> <!-fig / graphic | fig / alternatives / graphic mode =“ anchored” m1-> class =“ kwd-title”>关键字:古埃及浮雕,银纳米颗粒,TEM,GC-MS,Mn(II)离子,工业废水< h2 class =“ head no_bottom_margin” id =“ ab010title”>摘要该研究的重点是利用组圆棘叶提取物合成银纳米粒子,以及使用UV-Vis光谱,XRD,FT-IR表征粒子和TEM。结果显示形成了纳米晶体,其性质为晶体,平均大小为20-50 nm。用GC-MS分析了叶提取物的成分,并显示出高含量的植物醇(40.52%),正十六烷酸(9.67%),1,2,3-苯三醇(7.04%),α-d-呋喃呋喃糖苷甲基( 6.22%)和d-Allose(4.45%)。研究了反应参数的优化和统计研究,并在叶提取物体积(0.5 mL),硝酸银浓度(1.75 mM)和反应温度(50°C)下获得了具有适当性能的银纳米颗粒的最大收率。讨论了利用胶态银纳米粒子检测Mn 2 + 离子的方法。发现最小和最大检出限分别为50和200μM的Mn(II)离子。因此,所获得的结果鼓励在纳米传感器的开发中经济地合成银纳米颗粒,以检测工业废水中存在的污染物。

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