Enhancing liquid-phase microextraction efficiency through chemical reactions

被引：18

作者：

Basheer, Chanbasha ^{[1
]}

Kamran, Muhammad ^{[1
]}

Ashraf, Muhammad ^{[1
]}

Lee, Hian Kee ^{[2
,3
,4
]}

机构：

[1] King Fahd Univ Petr & Minerals, Dept Chem, Dhahran 31261, Saudi Arabia

[2] Natl Univ Singapore, Dept Chem, 3 Sci Dr 3, Singapore 117543, Singapore

[3] Natl Univ Singapore, Environm Res Inst, T Lab Bldg 02-01,5A Engn Dr 1, Singapore 117411, Singapore

[4] Natl Univ Singapore, Trop Marine Sci Inst, S2S,18 Kent Ridge Rd, Singapore 119227, Singapore

来源：

TRAC-TRENDS IN ANALYTICAL CHEMISTRY | 2019年 / 118卷

关键词：

Single-drop microextraction; Hollow fiber liquid-phase microextraction; Dispersive liquid-liquid-microextraction; Chemical reactions; FLOATING ORGANIC DROP; DEEP EUTECTIC SOLVENT; ATOMIC-ABSORPTION-SPECTROMETRY; OPTICAL EMISSION-SPECTROMETRY; CARRIER-MEDIATED TRANSPORT; BIOLOGICAL SAMPLES PRIOR; IONIC LIQUID; BIOGENIC-AMINES; HUMAN URINE; HF-LPME;

D O I：

10.1016/j.trac.2019.05.049

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Liquid-phase microextraction (LPME) is a miniaturized extraction technique with a similar extraction principle to liquid-liquid extraction. In LPME, extraction and preconcentration can be performed in a single step. The basic LPME configuration is that in which extraction involves a single drop of solvent. Another mode of LPME, which entails the use of a porous membrane assisted hollow fiber LPME (HF-LPME) and it is suitable for direct extraction of complex environmental matrices. A more recent LPME development is dispersive liquid-liquid microextraction that has attracted tremendous interest. LPME has the versatility to incorporate chemical reactions in order to enhance extractability and impart compatibility of the final extract with analytical instrumentation. This review focuses on recent developments in LPME involving chemical reactions as part of the extraction process. Reactions that improve the sensitivity of LPME, including ion-pair extraction, complexation, chemical derivatization, phase transfer catalysis, and nanoparticle-assisted chemical reactions are given prominence. (C) 2019 Elsevier B.V. All rights reserved.

引用

页码：426 / 433

页数：8

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