“New sorbents for sample pretreatment: Development and applications”

IF 11.8 1区 化学 Q1 CHEMISTRY, ANALYTICAL Trends in Analytical Chemistry Pub Date : 2024-08-22 DOI:10.1016/j.trac.2024.117924
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Abstract

Sample preparation prior to instrumental analysis is a key step to achieve high quality qualitative/quantitative analytes determinations present in complex samples. Development of pretreatment methods, with the aim of preconcentrate analyte(s) of interest or isolating them from their matrices which may contain possible interferents, has been a continuous task over the years. Multiple goals are pursued to obtain improved pretreatment methods, such as low sample consumption, specificity or selectivity, high throughput, simplicity, robustness, as well as reducing economic costs. In recent years, sample pretreatment has also focused on reducing environmental pollution and enabling miniaturization and automation. Therefore, classic methods of liquid-liquid extraction and liquid-solid extraction are being replaced at a significant rate by miniaturized techniques such as single-drop microextraction, dispersive liquid-liquid microextraction, solid-phase microextraction, dispersive solid phase microextraction, microextraction with packed sorbents, among others, using a wide variety of sorbents, including monolithic polymers, metal-organic frameworks, carbon-based and magnetic nanomaterials. This review summarizes the most relevant progress achieved in the last five years on advanced sorbent materials for sample preparation. In addition, most employed miniaturized solid phase extraction techniques and their applications to extraction of organic compounds in complex matrices were considered. Advantages and disadvantages, analytical performance, as well as their underlying principles and environmental benefits are discussed. Several applications of these modern materials in sample preparation methods are shown and future trends in the development of new sorbents used are proposed.

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"用于样品预处理的新型吸附剂:开发与应用"
仪器分析前的样品制备是对复杂样品中的分析物进行高质量定性/定量测定的关键步骤。多年来,人们一直致力于开发预处理方法,目的是预先浓缩感兴趣的分析物,或将其从可能含有干扰物的基质中分离出来。为了改进预处理方法,人们追求多种目标,如低样品消耗、特异性或选择性、高通量、简便性、稳健性以及降低经济成本。近年来,样品前处理的重点还包括减少环境污染、实现微型化和自动化。因此,传统的液液萃取和液固萃取方法正被单滴微萃取、分散液液微萃取、固相微萃取、分散固相微萃取、填料吸附剂微萃取等微型化技术迅速取代,使用的吸附剂种类繁多,包括整体聚合物、金属有机框架、碳基和磁性纳米材料等。本综述总结了过去五年中在用于样品制备的先进吸附剂材料方面取得的最相关进展。此外,还考虑了最常用的微型化固相萃取技术及其在复杂基质中有机化合物萃取中的应用。讨论了这些技术的优缺点、分析性能、基本原理和环境效益。介绍了这些现代材料在样品制备方法中的若干应用,并提出了新型吸附剂的未来发展趋势。
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来源期刊
Trends in Analytical Chemistry
Trends in Analytical Chemistry 化学-分析化学
CiteScore
20.00
自引率
4.60%
发文量
257
审稿时长
3.4 months
期刊介绍: TrAC publishes succinct and critical overviews of recent advancements in analytical chemistry, designed to assist analytical chemists and other users of analytical techniques. These reviews offer excellent, up-to-date, and timely coverage of various topics within analytical chemistry. Encompassing areas such as analytical instrumentation, biomedical analysis, biomolecular analysis, biosensors, chemical analysis, chemometrics, clinical chemistry, drug discovery, environmental analysis and monitoring, food analysis, forensic science, laboratory automation, materials science, metabolomics, pesticide-residue analysis, pharmaceutical analysis, proteomics, surface science, and water analysis and monitoring, these critical reviews provide comprehensive insights for practitioners in the field.
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