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|a (NLM)15875845
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|e rakwb
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|a eng
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| 100 |
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|a Schach, R
|e verfasserin
|4 aut
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|a Formation of weak polyelectrolyte multilayers studied by spin labeling
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|c 2004
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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|a Band
|b nc
|2 rdacarrier
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| 500 |
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|a Date Completed 03.08.2006
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|a Date Revised 26.10.2019
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a Multilayers of alternately adsorbing poly(allylamine) (PAH) and poly(acrylic acid) (PAA) of opposite charges on silica have been studied by the spin labeling technique, as a function of pH. The two polyelectrolytes have been labeled independently by a nitroxide free radical. Its electron paramagnetic resonance spectrum is mainly sensitive to the local Brownian motion and shows lines typical of two different environments, namely, loops protruding in solution with a fast motion and trains adsorbed on the solid with a hindered motion. These two parts have been evaluated for each of the polymer layers separately, and the thickness of the coatings has been described more precisely by characterizing the four contributions existing, for example, for a bilayer. Complexation is demonstrated by the loss of loops and tails belonging to the first polyelectrolyte. The overall picture emerging from the data is explained in terms of compensation of charges and entropy of confinement
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|a Journal Article
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|a Hommel, H
|e verfasserin
|4 aut
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|a Van Damme, H
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Dejardin, P
|e verfasserin
|4 aut
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| 700 |
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|a Amsterdamsky, C
|e verfasserin
|4 aut
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| 773 |
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8 |
|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1999
|g 20(2004), 8 vom: 13. Apr., Seite 3173-9
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|x 1520-5827
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|g volume:20
|g year:2004
|g number:8
|g day:13
|g month:04
|g pages:3173-9
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