Practical mediated-assembly synthesis of silver nanowires using commercial Camellia sinensis extracts and their antibacterial properties

Flores-Gonzalez M.; Talavera-Rojas M.; Soriano-Vargas E.; Rodriguez-Gonzalez V.

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Practical mediated-assembly synthesis of silver nanowires using commercial Camellia sinensis extracts and their antibacterial properties

机译：使用商业山茶花中的实际介导 - 组装银纳米线的合成及其抗菌性能

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Camellia sinensis is a well-known plant used for health purposes due to its high phenolic compound content and antioxidant properties. For the first time, the infusion of green tea has allowed the growth and stabilization of silver nanowires (AgNWs). Two commercial types of green tea leaf extracts were used for the practical synthesis of AgNWs at low temperature. The use of low concentrations of polyvinylpyrrolidone (PVP) as a directing agent was successful to obtain nanobar/nanorod assemblies that form 2-fold to 10-fold nanowires. FESEM, HRTEM and HAADF microscopies helped identify nanowires of similar to 50 nm in diameter and similar to 1.3 micron in length. The antibacterial properties of the AgNWs were investigated against Escherichia coli and Staphylococcus aureus. The AgNW morphology may damage the cell wall, accelerating cellular stress that leads to fatal inactivation of infectious microorganisms. This work provides a green approach to the aqueous biosynthesis of AgNWs with promising antibacterial properties.

机译：Camellia Sinensis是由于其高酚类化合物含量和抗氧化性能而用于健康目的的知名植物。首次，注射绿茶的含量允许银纳米线（Agnws）的生长和稳定性。两种商业类型的绿茶叶提取物用于低温下的AgNW的实际合成。使用低浓度的聚乙烯吡咯烷酮（PVP），其为导向剂的成功，得到形成2倍至10倍的纳米线nanobar /纳米棒组件。 FESEM，HRTEM和HAADF显微术帮助确定在直径类似于50nm且类似于在长度1.3微米的纳米线。针对大肠杆菌和金黄色葡萄球菌研究了AgNW的抗菌性质。 Agnw形态可能损伤细胞壁，加速细胞应激，导致感染性微生物的致命灭活。该作品提供了具有有前途抗菌性能的AgNW的水性生物合成的绿色方法。

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《New Journal of Chemistry》 |2018年第3期|共7页
作者
Flores-Gonzalez M.; Talavera-Rojas M.; Soriano-Vargas E.; Rodriguez-Gonzalez V.;
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Inst Potosino Invest Cient &

Tecnol Div Mat Avanzados Camino Presa San Jose 2055 Col Lomas 4a Secc San Luis Potosi 78216 SLP Mexico;

Unit Autonoma Estado Mexico Ctr Invest &

Estudios Avanzados Salud Anim Kilometro 15-5 Carretera Panamer Toluca Atlacomul Mexico City 50200 DF Mexico;

Unit Autonoma Estado Mexico Ctr Invest &

Estudios Avanzados Salud Anim Kilometro 15-5 Carretera Panamer Toluca Atlacomul Mexico City 50200 DF Mexico;

Inst Potosino Invest Cient &

Tecnol Div Mat Avanzados Camino Presa San Jose 2055 Col Lomas 4a Secc San Luis Potosi 78216 SLP Mexico;

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Practical mediated-assembly synthesis of silver nanowires using commercial Camellia sinensis extracts and their antibacterial properties

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