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231223s2007 xx ||||| 00| ||eng c |
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|a pubmed24n0583.xml
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|a (NLM)18001064
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Burkhardt, Markus
|e verfasserin
|4 aut
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|a Polyisobutylene-block-poly(methacrylic acid) diblock copolymers
|b self-assembly in aqueous media
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|c 2007
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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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|b nc
|2 rdacarrier
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|a Date Completed 28.01.2008
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|a Date Revised 11.12.2007
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Ionic amphiphilic diblock copolymer polyisobutylene-block-poly(methacrylic acid) (PIBx-b-PMAAy), with various lengths of nonpolar (x=25-75) and polyelectrolyte (y=170-2600) blocks, spontaneously dissolve in aqueous media at pH>4, generating macromolecular assemblies, the aggregation number of which depends on external stimuli (pH and ionic strength). Spherical micellar morphology with a compact core formed by the PIB blocks and a swollen corona built up from the PMAA blocks was deduced by cryogenic transmission electron microscopy. The micelles were further characterized by means of dynamic and static light scattering as well as small-angle neutron scattering. The critical micellization concentration, estimated by means of fluorescence spectroscopy with the use of pyrene as a polarity probe, is decisively determined by the length of the PIB block and is insensitive to changes in the length of the PMAA block
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|a Journal Article
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|a Martinez-Castro, Nemesio
|e verfasserin
|4 aut
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|a Tea, Sandrine
|e verfasserin
|4 aut
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|a Drechsler, Markus
|e verfasserin
|4 aut
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|a Babin, Ivan
|e verfasserin
|4 aut
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|a Grishagin, Ivan
|e verfasserin
|4 aut
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|a Schweins, Ralf
|e verfasserin
|4 aut
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|a Pergushov, Dmitry V
|e verfasserin
|4 aut
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|a Gradzielski, Michael
|e verfasserin
|4 aut
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|a Zezin, Alexander B
|e verfasserin
|4 aut
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|a Müller, Axel H E
|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 23(2007), 26 vom: 18. Dez., Seite 12864-74
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:23
|g year:2007
|g number:26
|g day:18
|g month:12
|g pages:12864-74
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