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首页> 外文期刊>Environmental Science & Technology: ES&T >Foliar Application of Reaction Products Derived from Selenite Removal by Iron Monosulfide for Brassica rapa ssp. Chinensis L
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Foliar Application of Reaction Products Derived from Selenite Removal by Iron Monosulfide for Brassica rapa ssp. Chinensis L

机译:Foliar Application of Reaction Products Derived from Selenite Removal by Iron Monosulfide for Brassica rapa ssp. Chinensis L

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摘要

The extensive application of FeS in environmental remediation requires the recovery and reuse of reaction products between FeS and pollutants. Therefore, foliar application of reaction products derived from selenite Se(IV) removal by FeS for pak choi was performed. The removal rate of Se(IV) by 100 mg/L FeS was 0.047 h~(-1). 93.2 of Se(IV) was reduced to Se(0), and FeS was correspondingly oxidized to goethite (78.9), lepidocrocite (21.1), and S(0) (91.5) based on the analysis of X-ray absorption fine structure. The reaction products promoted the growth of pak choi in terms of firesh biomass, vitamin C, and protein, ascribed to the key roles of Fe and S in enhancing the electron transfer rate and light conversion rate. Furthermore, the application of reaction products decreased by 64 of disease incidence as compared with the pathogen Pseudomonas syringae pv. maculicola-infected control. The total Se content in plants increased to 576 μg/kg and was composed of 11.9 of SeMeCys, 29.8 of SeMet, and 58.3 of SeCys after exposure to reaction products, which is beneficial to the human dietary intake from pak choi. This study demonstrated that the reaction products between FeS and Se(IV) could be recovered and applied as a nano-enabled strategy to prevent crop insecurity.

著录项

  • 来源
    《Environmental Science & Technology: ES&T》 |2022年第22期|16281-16291|共11页
  • 作者单位

    Key Laboratory of Integrated Regulation and Resources Development on Shallow Lakes of Ministry of Education, College of Environment, Hohai University, Nanjing 210098, China;

    SCNU Environmental Research Institute, Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & MOE Key Laboratory of Theoretical Chemistry of Environment, South China Normal University, Guangzhou 510006, China;

    Institute of Environmental Processes and Pollution Control and School of Environment and Civil Engineering Jiangnan University, Wuxi 214122, China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 英语
  • 中图分类 环境科学、安全科学;
  • 关键词

    FeS; selenite removal; reaction products; reuse; foliar application; pak choi cultivation; disease control;

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