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231223s2011 xx |||||o 00| ||eng c |
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|a 10.1021/la103754a
|2 doi
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|a pubmed24n0681.xml
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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 Nuraje, Nurxat
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Durable antifog films from layer-by-layer molecularly blended hydrophilic polysaccharides
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|c 2011
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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 05.05.2011
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|a Date Revised 21.11.2013
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Mechanically durable, long-lasting antifog coatings based on polysaccharides were developed using a layer-by-layer (LBL) assembly process. The unique properties of these coatings are a result of a molecular-level blending of the polysaccharides, with multilayers containing chitosan and carboxymethyl cellulose providing the best overall properties. The antifog properties resulted from a strong interaction between the polar and H-bonding elements of the assembled polymers and water molecules and the concomitant formation of thin films of water. Environmental scanning electron microscopy (ESEM) studies confirmed that fogging coatings are decorated with light scattering, micrometer-sized droplets of water whereas antifogging coatings remain droplet free. To improve the mechanical durability of the multilayer films on substrates, the surface was modified via self-assembly of epoxy-functionalized silane molecules. Cross-linking chemistry was then applied to improve the mechanical robustness of the LBL films on various surfaces. These films were characterized using several techniques: optical profilometery (PL), spectroscopic ellipsometry (EL), contact angle goniometry (CA), and atomic force microscopy (AFM). The antifog properties of the films were evaluated by several tests under different environmental conditions. This work demonstrates that the unique water-adsorbing properties of polysaccharides can be exploited to create permanent antifog properties, which may be useful for various applications
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|a Journal Article
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|a Research Support, U.S. Gov't, Non-P.H.S.
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|a Coated Materials, Biocompatible
|2 NLM
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|a Membranes, Artificial
|2 NLM
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|a Polysaccharides
|2 NLM
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|a Water
|2 NLM
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| 650 |
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|a 059QF0KO0R
|2 NLM
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| 700 |
1 |
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|a Asmatulu, Ramazan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Cohen, Robert E
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Rubner, Michael F
|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 27(2011), 2 vom: 18. Jan., Seite 782-91
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
1 |
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|g volume:27
|g year:2011
|g number:2
|g day:18
|g month:01
|g pages:782-91
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|u http://dx.doi.org/10.1021/la103754a
|3 Volltext
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