Abstract

The present work was carried out to green synthesis of silver nanoparticles by using fresh aqueous tuber extract of Jatropha heynei. The Jt-AgNPs are characterized by different spectroscopic techniques, the surface plasmon resonance of Jt-AgNPs was observed at 420 nm. The FTIR analysis revealed that various functional groups of tuber extract are responsible for the reduction. The average particle size of Jt-AgNPs was detected to be around 12.4 nm ± 1 nm and the zeta potential of Jt-AgNPs was around −13 mV, the negative charge indicates stability and dispersion of the nanoparticles. The elemental silver in Jt-AgNPs was found by EDAX and is around 81.96%. The XRD analysis revealed that the Jt-AgNPs are crystalline in nature. The antibacterial activity on both Gram − ve and Gram + ve bacteria showed excellent activity. The antibacterial potential of Jt-AgNPs resulted in promising inhibitory activity against total coli forms in the drinking water. Finally, we can conclude that Jt-AgNPs may probably be used as water purification agents in the future.

摘要

本工作采用新鲜的麻风树块茎水提取物进行银纳米颗粒的绿色合成。. Jt-AgNPs 通过不同的光谱技术表征，在 420 nm 处观察到 Jt-AgNPs 的表面等离子体共振。FTIR 分析表明，块茎提取物的各种官能团是减少的原因。检测到 Jt-AgNPs 的平均粒径约为 12.4 nm ± 1 nm，Jt-AgNPs 的 zeta 电位约为 -13 mV，负电荷表明纳米颗粒的稳定性和分散性。Jt-AgNPs 中的元素银是由 EDAX 发现的，约为 81.96%。XRD 分析表明 Jt-AgNPs 本质上是结晶的。对革兰氏 - ve 和革兰氏 + ve 细菌的抗菌活性显示出极好的活性。Jt-AgNPs 的抗菌潜力导致了对饮用水中总大肠杆菌形式的有希望的抑制活性。最后，