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Wormlike core-shell nanoparticles formed by co-assembly of double hydrophilic block polyelectrolyte with oppositely charged fluorosurfactant
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SYSNO ASEP 0379950 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Wormlike core-shell nanoparticles formed by co-assembly of double hydrophilic block polyelectrolyte with oppositely charged fluorosurfactant Author(s) Štěpánek, M. (CZ)
Škvarla, J. (CZ)
Uchman, M. (CZ)
Procházka, K. (CZ)
Angelov, Borislav (UMCH-V) RID
Kováčik, L. (CZ)
Garamus, V. M. (DE)
Mantzaridis, Ch. (GR)
Pispas, S. (GR)Source Title Soft Matter - ISSN 1744-683X
Roč. 8, č. 36 (2012), s. 9412-9417Number of pages 6 s. Language eng - English Country GB - United Kingdom Keywords cryoTEM electron microscopy ; SAXS ; soft matter Subject RIV CF - Physical ; Theoretical Chemistry R&D Projects GAP208/10/1600 GA ČR - Czech Science Foundation (CSF) GAP208/10/0353 GA ČR - Czech Science Foundation (CSF) Institutional support UMCH-V - RVO:61389013 CEZ AV0Z40500505 - UMCH-V (2005-2011) UT WOS 000307904300015 DOI 10.1039/c2sm25588j Annotation Formation of polyelectrolyte–surfactant complexes (PE–S) between an anionic polyelectrolyte, poly(sodium 2-sulfamate-3-carboxylate isoprene)-block-poly(ethylene oxide) (PSCI-PEO) and a cationic fluorosurfactant, N-(3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-heptadecafluorodecyl) pyridinium chloride (HFDPCl) was studied in alkaline aqueous solutions by static, dynamic and electrophoretic light scattering. The structure of the formed PE–S nanoparticles was investigated by SAXS, cryogenic transmission electron microscopy and atomic force microscopy. The results show that the tendency of the fluorosurfactant to form elongated threadlike micelles drives the PE–S co-assembly to a flexible core–shell cylindrical morphology with the core of the PE–S and the shell of the PEO blocks. Unlike other PE–S systems involving double hydrophilic polyelectrolytes, well-defined core–shell particles exist only in the narrow range of HFDPCl-to-PSCI unit stoichiometric ratios corresponding to zero ζ-potential of the aggregates. Workplace Institute of Macromolecular Chemistry Contact Eva Čechová, cechova@imc.cas.cz ; Tel.: 296 809 358 Year of Publishing 2013
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