Center of Analysis and Measurement, Fudan University, Shanghai, People's Republic of China.
Modern Physics Research Center, Fudan University, Shanghai, People's Republic of China.
IET Nanobiotechnol. 2020 Jun;14(4):325-330. doi: 10.1049/iet-nbt.2019.0282.
Metallic nanoparticles can be synthesised in living plants, which provide a friendly approach. In this work, the authors aimed to study the synthesis of silver nanoparticles (AgNPs) in Arabidopsis and the two-dimensional (2D) distribution of Ag and other elements (Ca, P, S, Mg, and CI) in the Arabidopsis plant tissues. The concentrations of Ag in the plant tissues were determined by inductively coupled plasma-atomic emission spectrometer, showing that the majority of Ag was retained in the roots. Transmission electron micrographs showed the morphology of AgNPs and the location in plant cells. The distributions of Cl and Ag were consistent in plant tissues by 2D proton-induced X-ray emission. In conclusion, this is the first report of the AgNP synthesis in Arabidopsis living plants and its 2D distribution of important elements, which provide a new clue for further research.
金属纳米粒子可以在活体植物中合成，这提供了一种友好的方法。在这项工作中，作者旨在研究拟南芥中银纳米粒子（AgNPs）的合成以及 Ag 和其他元素（Ca、P、S、Mg 和 Cl）在拟南芥植物组织中的二维（2D）分布。通过电感耦合等离子体质谱仪测定植物组织中的 Ag 浓度，结果表明大部分 Ag 保留在根部。透射电子显微镜显示了 AgNPs 的形态和在植物细胞中的位置。通过二维质子诱导 X 射线发射，Cl 和 Ag 在植物组织中的分布是一致的。总之，这是首次报道拟南芥活体植物中 AgNP 的合成及其重要元素的 2D 分布，为进一步研究提供了新线索。
