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|a eng
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|a Borisov, O V
|e verfasserin
|4 aut
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|a Reentrant morphological transitions in copolymer micelles with pH-sensitive corona
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|c 2005
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|a Text
|b txt
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|a ohne Hilfsmittel zu benutzen
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|a Date Completed 08.08.2006
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|a Date Revised 05.04.2005
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a In contrast to self-assembled aggregates of conventional ionic (including polymeric) surfactants the equilibrium micelles of diblock copolymer with a pH-sensitive polyelectrolyte block can exhibit two inverse sequences of morphological transitions triggered by an increase in solution salinity. The direct sequence of the sphere-cylinder-lamella transitions is similar to that for the copolymer with a strongly dissociating ionic block and occurs at a high salt concentration in solution. The abnormal reversed sequence of the lamella-cylinder-sphere transitions is predicted to occur at relatively low ionic strength in solution. The origin of the reentrant transitions is coupling between aggregation and ionization in copolymer micelles
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|a Letter
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|a Zhulina, E B
|e verfasserin
|4 aut
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|t Langmuir : the ACS journal of surfaces and colloids
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|g volume:21
|g year:2005
|g number:8
|g day:12
|g month:04
|g pages:3229-31
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