Journal
TRAC-TRENDS IN ANALYTICAL CHEMISTRY
Volume 121, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.trac.2019.115678
Keywords
Selective adsorbents; Sample pretreatment; Complex samples; Molecularly imprinted polymers; Non-imprinted adsorbents
Categories
Funding
- National Natural Science Foundation [21576112, 21902060]
- Natural Science Foundation Project of Jilin Province [20180623042TC, 20180101181JC]
- Project of Education Department of Jilin Province [JJKH20191009KJ, JJKH20191010KJ]
- Project of Human Resources and Social Security Department of Jilin Province [2017956]
- Project of Jilin Province Development and Reform Commission [2019C044]
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Sample pretreatment is an important part for qualitative and quantitative analysis of targets in analytical chemistry. With the rapid development of adsorbents in material science, selective adsorbents have been found particularly practical in sample pretreatment due to their resistance to complex matrix interference. Selective adsorbents concern formation of selective recognition sites, involving diverse interactions and distinct size/shape matching cavities for targets, which can selectively extract targets from complex real samples. In this review, selective adsorbents constructed in recent years have been summarized, involving molecularly imprinted polymers (summarizing from faced typical challenges, such as template leakage, low adsorption capacity, poor resistance to macromolecular interference and difficulty in aqueous recognition) and non-imprinted selective adsorbents (discussing from representative types of adsorbents with selectivity). Meanwhile, we concentrate on the application of selective adsorbents in complex sample pretreatment. Finally, a conclusion and a brief assessment of future developments in this area are revealed. (c) 2019 Elsevier B.V. All rights reserved.
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