Molecularly imprinted composite membranes for selective binding of desmetryn from aqueous solutions

Viktor Kochkodan, Wilfried Weigel, Mathias Ulbricht

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

Thin-layer molecularly imprinted polymer (MIP) composite membranes for selective binding of triazine herbicide desmetryn from aqueous solutions were developed using photoinitiated copolymerization of 2-acrylamido-2-methyl-1-propane sulphonic acid and N,N'-methylene-bis-acrylamide in the presence of template, followed by a deposition of MIP layer on the surface of either hydrophobic or hydrophilically precoated polyvinylidene fluoride (PVDF) microfiltration membranes. MIP membranes with different degrees of surface modification were prepared. It was shown MIP membranes provide a high selective binding of desmetryn from aqueous mixtures of structurally similar herbicides. It was concluded that MIP membrane binding specificity is a result of both multi-sites binding to the template via ionic and hydrophobic interactions and the correct position of functional groups involved in binding in imprints.

Original languageEnglish
Pages (from-to)323-328
Number of pages6
JournalDesalination
Volume149
Issue number1-3
DOIs
Publication statusPublished - 10 Sep 2002
Externally publishedYes

Fingerprint

Composite membranes
Polymers
aqueous solution
polymer
membrane
Membranes
Herbicides
herbicide
Triazines
Propane
Microfiltration
Sulfonic Acids
triazine
propane
Binding sites
fluoride
Copolymerization
Functional groups
functional group
Surface treatment

Keywords

  • Affinity membranes
  • Desmetryn
  • Filtration
  • Molecular imprinting
  • Photo-initiated copolymerization
  • Solid-phase extraction

ASJC Scopus subject areas

  • Filtration and Separation

Cite this

Molecularly imprinted composite membranes for selective binding of desmetryn from aqueous solutions. / Kochkodan, Viktor; Weigel, Wilfried; Ulbricht, Mathias.

In: Desalination, Vol. 149, No. 1-3, 10.09.2002, p. 323-328.

Research output: Contribution to journalArticle

Kochkodan, Viktor ; Weigel, Wilfried ; Ulbricht, Mathias. / Molecularly imprinted composite membranes for selective binding of desmetryn from aqueous solutions. In: Desalination. 2002 ; Vol. 149, No. 1-3. pp. 323-328.
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