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题名: High-efficiency extraction of nucleosides based on the combination of self-assembly ionic liquid layer and boronic acid-functionalized attapulgite
作者: Li, HH; Cheng, T; Wang, SX; Zhu, XY; Zhang, HX(张海霞)
收录类别: SCIE ; EI ; MEDLINE ; BIOSIS
出版日期: 2016-06-01
刊名: TALANTA
卷号: 153, 页码:71-78
英文摘要: Boronate affinity materials have been widely used for selective capture of cis-diol-containing molecules, but most do not have sufficient extraction efficiency. We have prepared boronic acid-functionalized attapulgite, and then it was coated with imidazolium-based ionic liquid, 1-dodecyl-3-methylimidazolium bromide (C(12)mimBr), via physical self-assembly process. The extraction efficiency of the material increased dramatically after coated with C(12)mimBr, and its enrichment ratios for nucleosides increased by 9- to 282-fold. Besides, the C(12)mimBr-coated adsorbent did not lose selectivity and was able to capture cis-diols in the presence of a 100 -fold excess of interferences. C(12)mimBr-coated material was applied to selective enrichment of nucleosides from human urine. The limits of detection and the limits of quantification were in the range of 0.06-0.46 ng mL(-1) and 0.20-1.53 ng mL(-1), respectively. Reproducibility of the method was determined with relative standard deviations <= 9.9%. The recoveries of the target nucleosides from spiked human urine were in the range of 87.8-109.6%. In our preception, self-assembly ionic liquid layer can serve as a promising alternative to improve the extraction efficiency of boronate affinity materials. (C) 2016 Elsevier B.V. All rights reserved.
关键词: Boronate affinity ; Ionic liquid ; Self-assembly ; Extraction efficiency ; Nucleoside
作者部门: Lanzhou Univ, State Key Lab Appl Organ Chem, Lanzhou 730000, Peoples R China ; Lanzhou Univ, Coll Chem & Chem Engn, Lanzhou 730000, Peoples R China
学科分类: Chemistry
文章类型: Article
所属项目编号: National Natural Science Foundation of China [21375052, 21575055, J1103307]
所属项目名称: 国家自然科学基金项目 ; 国家基础科学人才培养基金项目
项目资助者: NSFC
语种: 英语
DOI: 10.1016/j.talanta.2016.02.004
ISSN号: 0039-9140
WOS记录号: WOS:000376052900011
EI记录号: 20161002076431
PM记录号: 27130092
BIOSIS记录号: BCI:BCI201600525831
IR记录号: WOS:000376052900011
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内容类型: 期刊论文
URI标识: http://ir.lzu.edu.cn/handle/262010/180458
Appears in Collections:化学化工学院_期刊论文

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Recommended Citation:
Li, HH,Cheng, T,Wang, SX,et al. High-efficiency extraction of nucleosides based on the combination of self-assembly ionic liquid layer and boronic acid-functionalized attapulgite[J]. TALANTA,2016,153:71-78.
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