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含单乙醇胺盐的二元羧酸和植物生长调节剂对汞吸收和积累的影响

Effect of monoethanolamine salt-containing dicarboxylic acid and plant growth regulators on the absorption and accumulation of mercury.

作者信息

Makarova Anna, Nikulina Elena, Tsirulnikova Nina, Pishchaeva Ksenia, Fedoseev Andrey

机构信息

D. Mendeleev University of Chemical Technology of Russia, Miusskaya Sq., 9, 125047 Moscow, Russia.

Institute of Chemical Reagents and Special Purity Chemicals of the National Research Center Kurchatov Institute (IREPC), St. Bogorodsky Val, 3, 107076 Moscow, Russia.

出版信息

Saudi J Biol Sci. 2022 May;29(5):3448-3455. doi: 10.1016/j.sjbs.2022.02.035. Epub 2022 Feb 25.

DOI:10.1016/j.sjbs.2022.02.035
PMID:35844374
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9280225/
Abstract

In the modern world, mercury has become an extremely dangerous pollutant due to intensive human activity. Currently, sources of mercury are wastes from chemical industries, as well as mines, oil combustion products, and household waste. Phytoextraction of heavy metals from soil is considered one of the most promising and cost-effective technologies. The efficiency of this process can be increased by introducing various amendments. The use of additives in phytoextraction can enhance the absorption of heavy metals and increase their concentration in various parts of the plant. This article presents the results of a study of various chelating agents for effective phytoextraction of mercury with white clover () and watercress (). In the present study, the monoethanolamine salt of dithiodiacetic acid (MEDBA) was used. The optimal concentration of MEDBA on watercress and creeping clover has been determined for highly efficient phytoextraction of mercury. Research has been carried out with a complex of exogenous growth regulators (GA / IAA / Fe-EDDHA). The results showed that the use of phytohormones and plant growth regulators led to a synergistic effect in combination with thiosulfate, but a pronounced inhibitory effect was observed with the use of MEDBA.

摘要

在现代世界中，由于人类活动密集，汞已成为一种极其危险的污染物。目前，汞的来源包括化学工业废物、矿山、石油燃烧产物和家庭垃圾。从土壤中植物提取重金属被认为是最有前景且成本效益最高的技术之一。通过引入各种改良剂可以提高这一过程的效率。在植物提取中使用添加剂可以增强重金属的吸收，并提高其在植物各部位的浓度。本文介绍了用白三叶草（）和豆瓣菜（）对汞进行有效植物提取的各种螯合剂的研究结果。在本研究中，使用了二硫代二乙酸单乙醇胺盐（MEDBA）。已确定MEDBA在豆瓣菜和匍匐三叶草上的最佳浓度，以实现汞的高效植物提取。已对外源生长调节剂（GA/IAA/Fe-EDDHA）复合物进行了研究。结果表明，植物激素和植物生长调节剂的使用与硫代硫酸盐结合产生了协同效应，但使用MEDBA时观察到明显的抑制作用。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/782c/9280225/152ec7259364/gr4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/782c/9280225/b0a96d49a004/gr1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/782c/9280225/6bf2ed56cb14/gr3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/782c/9280225/152ec7259364/gr4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/782c/9280225/b0a96d49a004/gr1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/782c/9280225/6bf2ed56cb14/gr3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/782c/9280225/152ec7259364/gr4.jpg

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Heavy Metal Pollutions: State of the Art and Innovation in Phytoremediation.重金属污染：植物修复的现状与创新。
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Phytotoxicity reduction of the mercury chloride effect by natural products from Eugenia jambolana Lam.: A new strategy against the toxic metal pollution.
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