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Thermodynamic and kinetic aspects of coassembly of PEO-PMAA block copolymer and DPCl surfactants into ordered nanoparticles in aqueous solutions studied by ITC, NMR, and time-resolved SAXS techniques
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SYSNO ASEP 0391524 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Thermodynamic and kinetic aspects of coassembly of PEO-PMAA block copolymer and DPCl surfactants into ordered nanoparticles in aqueous solutions studied by ITC, NMR, and time-resolved SAXS techniques Author(s) Uchman, M. (CZ)
Gradzielski, M. (DE)
Angelov, Borislav (UMCH-V) RID
Tošner, Z. (CZ)
Oh, J. (KR)
Chang, T. (KR)
Štěpánek, M. (CZ)
Procházka, K. (CZ)Source Title Macromolecules. - : American Chemical Society - ISSN 0024-9297
Roč. 46, č. 6 (2013), s. 2172-2181Number of pages 10 s. Language eng - English Country US - United States Keywords isothermal titration calorimetry ; SAXS ; soft matter Subject RIV CD - Macromolecular Chemistry R&D Projects GAP208/10/0353 GA ČR - Czech Science Foundation (CSF) GCP205/11/J043 GA ČR - Czech Science Foundation (CSF) Institutional support UMCH-V - RVO:61389013 UT WOS 000316847500015 DOI 10.1021/ma302503w Annotation The electrostatic coassembly of a block copolymer polyelectrolyte poly(ethylene oxide-block-poly-(methacrylic acid), PEO705−PMAA476, and oppositely charged surfactant, N-dodecylpyridinium chloride (DPCl), has been investigated by a combination of isothermal titration calorimetry (ITC), spin-echo NMR spectroscopy, and time-resolved SAXS measurements. The results reveal new insight into the thermodynamic and kinetic behavior of the self-assembling system. The most important finding obtained by stopped-flow time-resolved SAXS measurements concerns the surprisingly high rate of processes of creation of structurally ordered cores of self-assembled surfactant−polyelectrolyte nanoparticles (<50 ms). Workplace Institute of Macromolecular Chemistry Contact Eva Čechová, cechova@imc.cas.cz ; Tel.: 296 809 358 Year of Publishing 2014
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