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231223s2005 xx ||||| 00| ||eng c |
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|a pubmed24n0523.xml
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|a (DE-627)NLM15677481X
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|a (NLM)16042442
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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1 |
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|a Kim, Byoung-Suhk
|e verfasserin
|4 aut
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|a Assembly and mechanical properties of phosphorus dendrimer/polyelectrolyte multilayer microcapsules
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|c 2005
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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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|a Date Completed 22.06.2006
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|a Date Revised 19.11.2015
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|a published: Print
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|a Citation Status MEDLINE
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|a We report the preparation, characterization, and mechanical properties of polyelectrolyte/phosphorus dendrimer multilayer microcapsules. The shells of these microcapsules are composed either by alternating poly(styrenesulfonate) (PSS) and positively charged dendrimer G4(NH+Et2Cl-)96 or by alternating poly(allylamine hydrochloride) (PAH) and negatively charged dendrimer G4(CH-COO-Na+)96. The same multilayers were constructed on planar support to examine their layer-by-layer growth and to measure the multilayer thickness. Surface plasmon resonance spectroscopy (SPR) showed regular linear growth of the assembly upon each bilayer deposited. We probe the mechanical properties of these polyelectrolyte/dendrimer microcapsules by measuring force-deformation curves with the atomic force microscope (AFM). The experiment suggests that they are much softer than PSS/PAH microcapsules studied before. This softening is attributed to an enhanced permeability of the polyelectrolyte/dendrimer multilayer shells as compared with multilayers formed by linear polyelectrolytes. In contrast, Young's modulus of both dendrimer-based multilayers was found to be on the same order as that of PSS/PAH multilayers
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Cations
|2 NLM
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|a Dendrimers
|2 NLM
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|a Electrolytes
|2 NLM
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|a Lipid Bilayers
|2 NLM
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|a Polyamines
|2 NLM
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|a Polystyrenes
|2 NLM
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|a Phosphorus
|2 NLM
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|a 27YLU75U4W
|2 NLM
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|a polyallylamine
|2 NLM
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|a 30551-89-4
|2 NLM
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|a polystyrene sulfonic acid
|2 NLM
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| 650 |
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|a 70KO0R01RY
|2 NLM
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| 700 |
1 |
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|a Lebedeva, Olga V
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kim, Dong Ha
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Caminade, Anne-Marie
|e verfasserin
|4 aut
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|a Majoral, Jean-Pierre
|e verfasserin
|4 aut
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|a Knoll, Wolfgang
|e verfasserin
|4 aut
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|a Vinogradova, Olga I
|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 21(2005), 16 vom: 02. Aug., Seite 7200-6
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
1 |
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|g volume:21
|g year:2005
|g number:16
|g day:02
|g month:08
|g pages:7200-6
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|a AR
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|d 21
|j 2005
|e 16
|b 02
|c 08
|h 7200-6
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