纳米银包衣剂对萝卜体内银积累及生长的影响

IF 1.2 4区农林科学 Q2 AGRICULTURE, MULTIDISCIPLINARY

Journal of Agricultural Science and Technology Pub Date : 2022-11-01 DOI:10.52547/jast.24.6.1473

A. Bazoobandi, A. Fotovat, A. Halajnia, A. Philippe

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引用次数: 0

摘要

银纳米颗粒(AgNPs)在各行各业的广泛应用引起了人们对这些材料命运的关注。因此，作为人类食物链的第一步，本研究旨在评估土壤中银颗粒包衣剂的作用以及它们如何与植物相互作用。萝卜(Raphanus sativus)暴露于硝酸银(agno3)和不同涂层的AgNPs:柠檬酸盐(AgNPs- cit)、聚乙烯亚胺(AgNPs- pei)和聚乙烯吡罗烷酮(AgNPs- pvp)。比较了5、25、125 mg kg -1土壤处理浓度和涂膜类型对萝卜干重的影响。结果表明，不同处理对萝卜干重有影响，其中agno3处理的干重降幅最大，枝条干重降幅达51%。萝卜根、块茎和茎部的总银测定结果表明，包膜类型和浓度对AgNPs的积累有影响。带有正电荷涂层(PEI)的AgNPs比其他处理具有更高的转移率。研究结果表明，萝卜具有在其根、块茎和芽中大量储存银的能力，因此有可能成为人类银污染的来源。

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Effect of Coating Agents of Silver Nanoparticles on Their Accumulation in and Growth of Radish (Raphanus sativus )

The widespread use of silver Nanoparticles (AgNPs) in various industries has raised concerns about the fate of these materials. Therefore, the present study aimed to assess the effects of coating agents of Ag particles in soil and how they interact with plants as the first step in the human food chain. Radish ( Raphanus sativus ) was exposed to silver Nitrate (AgNO 3 ) as well as AgNPs with different coatings: Citrate (AgNPs-Cit), Polyethyleneimine (AgNPs-PEI), and Polyvinylpyrrolidone (AgNPs-PVP) at different concentrations. The effect of concentration (5, 25, 125 mg kg -1 soil) and the type of coatings on the dry weight of radish were compared with the control. The results revealed that the type of treatments affected dry weight of radish and, among all treatments, AgNO 3 had the highest weight loss, in which shoot dry weight decreased by 51%. Total silver measurement in radish root, tuber, and shoot indicated that the accumulation of AgNPs was influenced by the type and concentration of the coating. The AgNPs with positive charge coating (PEI) had a higher transfer ratio than other treatments. The findings indicated that radish had the ability to store silver in its root, tuber, and shoots in large amounts, thus having the potential to act as a source of silver contamination for humans.

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来源期刊

Journal of Agricultural Science and Technology AGRICULTURE, MULTIDISCIPLINARY-

CiteScore

1.90

自引率

8.30%

发文量

审稿时长

4.5 months

期刊介绍： Journal of Agricultural Science and Technology is one of the TMU Press journals that is published by the responsibility of its Editor-in-Chief and Editorial Board in the determined scopes. Journal of Agricultural Science and Technology (JAST) is an international research journal published bimonthly for the purpose of advancing the scientific studies. The subjects covered by JAST include all aspects of agriculture and natural resources (see Areas Covered). The journal will consider submissions from all over the world, on research works not being published or submitted for publication towards publication as full paper, review article and research note. The Papers are published in English with an extra abstract in Persian.