硒
纳米颗粒
电感耦合等离子体质谱法
硒缺乏症
生物合成
生物
化学
纳米技术
环境化学
植物
生物化学
材料科学
质谱法
抗氧化剂
有机化学
色谱法
基因
谷胱甘肽过氧化物酶
过氧化氢酶
作者
Jonas Verstegen,Klaus Guenther
标识
DOI:10.1080/21691401.2022.2155660
摘要
Selenium is a non-essential element with beneficial and toxic effects on plants, whose exact role in plant physiology leaves many unanswered questions. Various species of hydroponically grown plants produce defined selenium nano particles (SeNP) with a narrow size distribution and about 2 million selenium atoms by biosynthesis when being exposed to selenite, proving that green synthesis of SeNP is not only possible in plants extracts, but also in living organisms. The detection was performed with single particle inductively coupled plasma mass spectrometry. These results require a new view of the selenium biochemistry in plants and its impact on nutrition, food sciences and medicine. To the best of our knowledge, this is the first report on the synthesis of elemental nanoparticles in general and selenium nanoparticles in particular by living plants.
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