| 基于液-液萃取机理的新型环境样品前处理方法研究进展 |
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| 引用本文： | 杨春蕾,曹学丽.基于液-液萃取机理的新型环境样品前处理方法研究进展[J].中国农学通报,2011,27(6):242-248. |
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| 作者姓名： | 杨春蕾 曹学丽 |
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| 作者单位： | 北京工商大学北京市植物资源研究开发重点实验室,北京,100037 |
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| 基金项目： | 国家自然科学基金资助项目 |
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| 摘 要： | 新型环境样品前处理技术已经逐步取代传统液-液萃取。液相微萃取、液膜萃取和逆流色谱技术均是集采样、萃取和浓缩于一体的环境友好型环境样品前处理技术。液相微萃取、液膜萃取实质上是微型化的液-液萃取；逆流色谱结合了液液萃取和分配色谱的优点，是一种新型色谱分离技术。3种技术均对环境样品中的痕量/超痕量污染物质有高效的富集、净化效果。笔者综述了液相微萃取、液膜萃取和逆流色谱技术的优缺点及在环境样品前处理中的应用。
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| 关 键 词： | 乙醛脱氢酶基因 乙醛脱氢酶基因 植物表达载体 转化 番茄 |
| 收稿时间： | 2010/12/27 0:00:00 |
| 修稿时间： | 1/9/2011 12:00:00 AM |
Review of New Pretreatment Methods for Environmental Sample Based on Liquid-Liquid Extraction Mechanism |
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| Yang Chunlei,Cao Xueli.Review of New Pretreatment Methods for Environmental Sample Based on Liquid-Liquid Extraction Mechanism[J].Chinese Agricultural Science Bulletin,2011,27(6):242-248. |
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| Authors: | Yang Chunlei Cao Xueli |
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| Institution: | Yang Chunlei,Cao Xueli(Beijing Key Laboratory of Plant Resource Research Development,Beijing Technology and Business University,Beijing 100037) |
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| Abstract: | Traditional liquid-liquid extraction has been replaced by new environmental sample preparation techniques gradually.Liquid-phase microextraction(LPME),liquid membrane extraction(LME) and counter-current chromatography(CCC) are environment-friendly pretreatment techniques for environment sample which complete sampling,extracting and concentration in one step.LPME and LME are essentially miniaturized liquid-liquid extraction;CCC combines advantages of liquid-liquid extraction and partition chromatography as a... |
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| Keywords: | environment sample liquid-phase microextraction liquid membrane extraction counter-current chromatography |
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