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2015 | 13 | 1 |
Tytuł artykułu

Dummy molecularly imprinted mesoporous silicates for selective adsorption of 2-naphthol

Treść / Zawartość
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
Dummy molecularly imprinted mesoporous silicates (MIMS-2) were made by co-condensation of tetraethyl orthosilicate (TEOS) with precursors of bi-functional mimic of 2-naphthol, 2,7-dihydroxynaphthalene, around triblock copolymer surfactant Pluronic (P123) micelles. The bi-functional template was linked to two functional monomers through thermally cleavable covalent bonds to generate imprint precursor. This provides the possibility of incorporating the target into the cross-linked mesoporous silicate matrix in the non-ionic surfactant templated sol-gel process. P123 was eluted by ethanol extraction and template molecules were removed by refluxing the materials in a mixture of dimethyl sulfoxide (DMSO) and water. MIMS-1 was prepared similarly except that 2-naphthol was used as template instead of 2,7-dihydroxynaphthalene. Solid phase extraction studies showed that MIMS-2 exhibited good retention and selectivity for 2-naphthol among its structural analogues. The mono-functional molecule 2-naphthol was unable to be incorporated into the silica matrix of mesoporous material by the identical method, and the resulting material MIMS-1 exhibits poor selectivity to the template analogues.
EN
Wydawca
Czasopismo
Rocznik
Tom
13
Numer
1
Opis fizyczny
Daty
otrzymano
2014-05-03
zaakceptowano
2014-11-07
online
2015-02-05
Twórcy
autor
  • Chengdu Institute of Biology,
    Chinese Academy of Sciences, Chengdu 610041, China
autor
  • Chengdu Institute of Biology,
    Chinese Academy of Sciences, Chengdu 610041, China
autor
  • College of Architecture and Environment, Sichuan
    University, Chengdu 610065, China
autor
  • Chemistry & Chemical Engineering College, Hainan
    Normal University, Haikou 571158, China
autor
  • Chengdu Institute of Biology,
    Chinese Academy of Sciences, Chengdu 610041, China
autor
  • Chengdu Institute of Biology,
    Chinese Academy of Sciences, Chengdu 610041, China
Bibliografia
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Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.-psjd-doi-10_1515_chem-2015-0090
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