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Selective and simultaneous determination of trace bisphenol A and tebuconazole in vegetable and juice samples by membrane-based molecularly imprinted solid-phase extraction and HPLC

Wu, Ya-ting (author)
Zhang, Yan-hong (author)
Zhang, Meng (author)
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Liu, Fei (author)
Wan, Ying-chun (author)
Huang, Zheng (author)
Ye, Lei (author)
Lund University,Lunds universitet,Tillämpad biokemi,Centrum för tillämpade biovetenskaper,Kemiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Pure and Applied Biochemistry,Center for Applied Life Sciences,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH
Zhou, Qi (author)
Shi, Yun (author)
Lu, Bin (author)
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 (creator_code:org_t)
Elsevier BV, 2014
2014
English.
In: Food Chemistry. - : Elsevier BV. - 1873-7072 .- 0308-8146. ; 164, s. 527-535
  • Journal article (peer-reviewed)
Abstract Subject headings
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  • Nanofibrous molecularly imprinted membranes (nano-MIMs) with multi-analyte selectivity were prepared by encapsulating two types of molecularly imprinted polymer nanoparticles (MIP-NPs) into electrospun polyvinyl alcohol nanofibers. The obtained nano-MIMs maintained high molecular selectivity offered by each of the MIP-NPs. Nano-MIM embedding BPA-imprinted nanoparticles and TBZ-imprinted nanoparticles together showed the highest binding selectivity for acid bisphenol A (BPA) and basic tebuconazole (TBZ). This nano-MIM was used as affinity material of membrane-based molecularly imprinted solid-phase extraction (m-MISPE) to extract trace BPA and TBZ in vegetables and juices simultaneously. The recoveries of BPA and TBZ from different samples were higher than 70.33% with RSDs lower than 9.57%. m-MISPE gave better HPLC separation efficiencies and higher recoveries than conventional SPE based on C18/SCX. Multi-analyte selective m-MISPE combined with HPLC realized selective and simultaneous determination of several trace analytes with opposite charges/polarities in different food samples. (C) 2014 Elsevier Ltd. All rights reserved.

Subject headings

LANTBRUKSVETENSKAPER  -- Lantbruksvetenskap, skogsbruk och fiske -- Livsmedelsvetenskap (hsv//swe)
AGRICULTURAL SCIENCES  -- Agriculture, Forestry and Fisheries -- Food Science (hsv//eng)

Keyword

Molecularly imprinted polymers
Electrospun nanofibrous membrane
Bisphenol A
Tebuconazole
Membrane-based molecularly imprinted
solid-phase extraction
Vegetable and juice samples

Publication and Content Type

art (subject category)
ref (subject category)

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