Institute of Biochemistry and Physiology of Plants and Microorganisms, Russian Academy of Sciences (IBPPM RAS), 13 Prospekt Entuziastov, 410015, Saratov, Russia.
Environ Sci Pollut Res Int. 2000;7(4):191-4. doi: 10.1007/BF02987346.
A plant-based bioremediation (phytoremediation) strategy has been developed and shown to be effective for the clean-up of soil contaminated by the breakdown products of the chemical warfare agent (CWA), yperite. The method involves exploiting the plant growth hormone, indole-3-acetic acid (IAA), to intensify the phytoremediation. For determination of the yperite breakdown products, gas chromatography is used. Soil and plant samples were analysed with a gas chromatograph fitted with an atomic emission detector. The method of standard-free determination was employed to identify sulphur-containing substances (SCSs). A series of soil tests was conducted, which showed that the level of SCSs decreased 4, 8, and more than 20-fold compared with that found in contaminated soil. This decrease was dependent upon the IAA concentrations used for plant treatment. The treated plants accumulated 2.7 to 2.9-fold larger amounts of the SCSs than did the untreated plants. Owing to its simplicity, environmental safety and inexpensiveness, the method can be recommended for the restoration of soil fertility in areas of storage and destruction of blister CWAs.
一种基于植物的生物修复（植物修复）策略已经被开发出来，并被证明对受化学战剂（CWA）糜烂物污染的土壤的清理是有效的。该方法涉及利用植物生长激素吲哚-3-乙酸（IAA）来强化植物修复。为了确定糜烂物的分解产物，使用气相色谱法。使用配备原子发射检测器的气相色谱仪对土壤和植物样品进行分析。采用无标准测定法来识别含硫物质（SCSs）。进行了一系列土壤试验，结果表明，与污染土壤相比，SCSs 的水平降低了 4、8 倍甚至 20 倍以上。这种减少取决于用于植物处理的 IAA 浓度。与未处理的植物相比，处理过的植物积累的 SCSs 量增加了 2.7 到 2.9 倍。由于其简单、环境安全和廉价，该方法可推荐用于储存和销毁水疱 CWA 地区的土壤肥力恢复。
