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Highly class-selective solid-phase extraction of bisphenols in milk, sediment and human urine samples using well-designed dummy molecularly imprinted polymers
Sun, Xiaoli1,2; Wang, Jincheng1; Li, Yun1; Jin, Jing1; Yang, Jiajia1,2; Li, Fang1,2; Shah, Syed Mazhar1; Chen, Jiping1
KeywordDummy Template Bisphenols Class-selective Molecularly Imprinted Polymers Solid-phase Extraction
Source PublicationJOURNAL OF CHROMATOGRAPHY A
2014-09-19
DOI10.1016/j.chroma.2014.07.055
Volume1360Pages:9-16
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine ; Physical Sciences
WOS SubjectBiochemical Research Methods ; Chemistry, Analytical
WOS Research AreaBiochemistry & Molecular Biology ; Chemistry
WOS KeywordPERFORMANCE LIQUID-CHROMATOGRAPHY ; ENDOCRINE-DISRUPTING COMPOUNDS ; MASS-SPECTROMETRY ; WATER SAMPLES ; RIVER WATER ; ENVIRONMENTAL WATER ; HUMAN EXPOSURE ; UNITED-STATES ; SURFACE ; ANALOGS
AbstractDummy molecularly imprinted polymers (DMIPs) towards bisphenols (Bps) were prepared employing 1,1,1-tris(4-hydroxyphenyl)ethane (THPE) and phenolphthalein (PP) as dummy templates. The selectivity of the resulting DMIPs was evaluated by high-performance liquid chromatography (HPLC). Both PP-DMIP and THPE-DMIP showed excellent class selectivity towards bisphenols. THPE-DMIP prepared using the template molecule with three hydroxyphenyl functionalities achieved higher imprinting factors (IF) for the bisphenols over a range of 7.9-19.8. An efficient approach based on dummy molecularly imprinted solid phase extraction (DMISPE) coupled with HPLC-DAD was developed for selective extraction of eight bisphenols in sediment, milk and human urine samples using THPE-DMIP as sorbents. The method showed good recoveries (82-102%) and precision (RSD 0.2-4%, n=3) for these samples spiked at two concentration levels (25 and 250 ng g(-1) or ng mL(-1)). The detection limits ranged between 0.6 and 1.1 ng g(-1) or ng mL(-1). Efficient removal of sample matrix and interferences was also achieved for these samples after DMISPE process. The results demonstrated great potential of the optimized methods for sample preparation in the routine analysis of trace BPs in complex samples. (C) 2014 Elsevier B.V. All rights reserved.
Language英语
WOS IDWOS:000341469400002
Citation statistics
Cited Times:41[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/145906
Collection中国科学院大连化学物理研究所
Affiliation1.Chinese Acad Sci, Dalian Inst Chem Phys, Key Lab Separat Sci Analyt Chem, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Sun, Xiaoli,Wang, Jincheng,Li, Yun,et al. Highly class-selective solid-phase extraction of bisphenols in milk, sediment and human urine samples using well-designed dummy molecularly imprinted polymers[J]. JOURNAL OF CHROMATOGRAPHY A,2014,1360:9-16.
APA Sun, Xiaoli.,Wang, Jincheng.,Li, Yun.,Jin, Jing.,Yang, Jiajia.,...&Chen, Jiping.(2014).Highly class-selective solid-phase extraction of bisphenols in milk, sediment and human urine samples using well-designed dummy molecularly imprinted polymers.JOURNAL OF CHROMATOGRAPHY A,1360,9-16.
MLA Sun, Xiaoli,et al."Highly class-selective solid-phase extraction of bisphenols in milk, sediment and human urine samples using well-designed dummy molecularly imprinted polymers".JOURNAL OF CHROMATOGRAPHY A 1360(2014):9-16.
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