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231223s2008 xx |||||o 00| ||eng c |
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|a 10.1021/la802165f
|2 doi
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|a pubmed24n0608.xml
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|a (DE-627)NLM182399273
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|a (NLM)18788771
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Niu, Jia
|e verfasserin
|4 aut
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| 245 |
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|a Surface-imprinted nanostructured layer-by-layer film for molecular recognition of theophylline derivatives
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|c 2008
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 13.11.2008
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|a Date Revised 24.11.2016
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a In this article we report the introduction of the cooperativity of various specific interactions combined with photo-cross-linking of the interlayers to yield binding sites that can realize better selectivity and imprinting efficiency of a surface molecularly imprinted LbL film (SMILbL), thus providing a new approach toward fabrication of nanostructured molecularly imprinted thin films. It involves preassembly of poly(acrylic acid) (PAA) conjugated of the theophylline residue template via a disulfide bridge, denoted as PAAtheo 15, in solution, and layer-by-layer (LbL) assembly of PAAtheo 15 and a positively charged photoreactive diazo resin (DAR) to form multilayer thin film with designed architecture. After photo-cross-linking of the film and template removal, binding sites specific to 7-(beta-hydroxyethyl)theophylline (Theo-ol) molecules are introduced within the film. Binding assay demonstrates that the SMILbL has a high selectivity of SMILbL to Theo-ol over caffeine. A control experiment demonstrates that the selectivity of SMILbL derives from nanostructured recognition sites among the layers. The imprinting amount per unit mass of the film can be 1 order of magnitude larger than that of the conventional bulk molecular imprinting systems. As this concept of construction SMILbL can be easily extended to the other molecules by the following similar protocol: its applications in building many other different molecular recognition systems are greatly anticipated
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Acrylic Resins
|2 NLM
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|a Cross-Linking Reagents
|2 NLM
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|a Disulfides
|2 NLM
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|a Polymers
|2 NLM
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|a Caffeine
|2 NLM
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|a 3G6A5W338E
|2 NLM
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|a carbopol 940
|2 NLM
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|a 4Q93RCW27E
|2 NLM
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|a Theophylline
|2 NLM
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|a C137DTR5RG
|2 NLM
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| 700 |
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|a Liu, Zhihua
|e verfasserin
|4 aut
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|a Fu, Long
|e verfasserin
|4 aut
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|a Shi, Feng
|e verfasserin
|4 aut
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|a Ma, Hongwei
|e verfasserin
|4 aut
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|a Ozaki, Yukihiro
|e verfasserin
|4 aut
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|a Zhang, Xi
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 24(2008), 20 vom: 21. Okt., Seite 11988-94
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:24
|g year:2008
|g number:20
|g day:21
|g month:10
|g pages:11988-94
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|u http://dx.doi.org/10.1021/la802165f
|3 Volltext
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