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阴-非离子混合表面活性剂对黑麦草吸收菲和芘的影响
  • ISSN号：0023-074X
  • 期刊名称：《科学通报》
  • 时间：0
  • 分类：O647.2[理学—物理化学;理学—化学] X520.322.5[环境科学与工程—环境工程]
  • 作者机构：[1]浙江大学环境科学系,污染环境修复与生态健康教育部重点实验室,杭州310028
  • 相关基金：国家自然科学基金（批准号：20737002,40571143）、国家重点基础研究发展计划（批准号：2003CB415004）及教育部长江学者和创新团队计划（批准号：IRT0536）资助项目
作者： 孙璐[1], 朱利中[1]
关键词： 阴-非离子混合表面活性剂, 菲, 芘, 黑麦草, 吸收
中文摘要：

研究了水培体系中SDBS-TX100阴-非离子混合表面活性剂对黑麦草吸收菲和芘的影响．结果表明，SDBS-TX100能促进黑麦草吸收积累菲和芘，其作用机制是促进了黑麦草根对菲和芘的吸收．SDBS-TX100增强黑麦草吸收菲和芘的程度与混合表面活性剂配比、浓度以及有机污染物本身的性质等密切相关．不同配比的SDBS-TX100在临界胶束浓度（CMC）附近对黑麦草吸收菲和芘的促进作用最显著，并且较单一表面活性剂能在更大浓度范围内促进黑麦草吸收积累菲和芘．随SDBS摩尔分数的增大，SDBS-TX100对黑麦草吸收菲和芘的促进作用增强，其中对菲的促进效果更为显著；当SDBS-TX100摩尔比为9：1时，根中菲和芘的最大浓度分别是无表面活性剂对照处理的216和8．16倍．

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期刊信息
  • 《科学通报》
  • 北大核心期刊（2011版）
  • 主管单位:中国科学院
  • 主办单位:中国科学院
  • 主编：周光召
  • 地址：北京东黄城根北街16号
  • 邮编：100717
  • 邮箱：csb@scichina.org
  • 电话：010-64036120 64012686
  • 国际标准刊号：ISSN：0023-074X
  • 国内统一刊号：ISSN：11-1784/N
  • 邮发代号:80-213
  • 获奖情况:
  • 首届国家期刊奖,中国期刊方阵“双高”期刊,第三届中国出版政府奖
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  • 被引量:81792