氧化铈纳米颗粒的单次和重复应用对……的生长和生物量积累有不同影响。（……） （原文此处括号内容缺失具体信息）
Single and Repeated Applications of Cerium Oxide Nanoparticles Differently Affect the Growth and Biomass Accumulation of . ().
作者信息
Lizzi Daniel, Mattiello Alessandro, Piani Barbara, Gava Emanuele, Fellet Guido, Marchiol Luca
机构信息
Department of AgriFood, Environmental and Animal Science, University of Udine, via delle Scienze 206, 33100 Udine, Italy.
Department of Life Sciences, University of Trieste, Via Licio Giorgieri 10, 34127 Trieste, Italy.
出版信息
Nanomaterials (Basel). 2021 Jan 16;11(1):229. doi: 10.3390/nano11010229.
Cerium oxide nanoparticles (CeO) have a wide variety of applications in industry. Models demonstrated that CeO can reach environmental compartments. Studies regarding the relationships between plants and CeO considered only crop species, whereas a relevant knowledge gap exists regarding wild plant species. Specimens of () were grown in greenhouse conditions in a substrate amended with a single dose (D1) and two and three doses (D2 and D3) of 20 mg kg and 200 mg kg CeO suspensions, respectively. sp-ICP-MS and ICP-MS data demonstrated that CeO was taken up by plant roots and translocated towards aerial plant fractions. Biometric variables showed that plants responded negatively to the treatments with a shortage in biomass of roots and stems. Although not at relevant concentrations, Ce was accumulated mainly in roots and plant leaves.
氧化铈纳米颗粒（CeO）在工业中有广泛的应用。模型表明CeO能够进入环境各部分。关于植物与CeO之间关系的研究仅考虑了农作物物种，而对于野生植物物种存在相关知识空白。分别用单剂量（D1）以及20毫克/千克和200毫克/千克CeO悬浮液的两剂量和三剂量（D2和D3）改良基质，在温室条件下种植（）的样本。单颗粒电感耦合等离子体质谱法（sp-ICP-MS）和电感耦合等离子体质谱法（ICP-MS）数据表明，CeO被植物根系吸收并向地上植物部分转运。生物特征变量表明，植物对这些处理有负面反应，根和茎的生物量不足。尽管浓度不高，但铈主要积累在根和植物叶片中。
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