About: Interaction of premicellar states of a PEO-PPO-PEO triblock copolymer with partially hydrophobic substances: NMR study

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About: Interaction of premicellar states of a PEO-PPO-PEO triblock copolymer with partially hydrophobic substances: NMR study Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	According to 1H and 13C NMR spectra, relaxations, and PFG NMR self-diffusion measurements, partially hydrophobic additives methyl–ethyl ketone (MEK), methyl-isopropyl ketone (MIPK), and methyl-t-butyl ketone (MTBK) facilitate the conformation change and subsequent self-association of the copolymer Pluronic L64. The correlation time (4–9 ms) and activation energy (43–52 kJ/mol) of transition between its conformation states decrease with the increasing hydrophobicity and bulkiness of the additive. The temperature of the first PPO self-association decreases in the same order (by 4 K for MTBK). According to 1H and 13C NMR spectra, relaxations, and PFG NMR self-diffusion measurements, partially hydrophobic additives methyl–ethyl ketone (MEK), methyl-isopropyl ketone (MIPK), and methyl-t-butyl ketone (MTBK) facilitate the conformation change and subsequent self-association of the copolymer Pluronic L64. The correlation time (4–9 ms) and activation energy (43–52 kJ/mol) of transition between its conformation states decrease with the increasing hydrophobicity and bulkiness of the additive. The temperature of the first PPO self-association decreases in the same order (by 4 K for MTBK). (en)
Title	Interaction of premicellar states of a PEO-PPO-PEO triblock copolymer with partially hydrophobic substances: NMR study Interaction of premicellar states of a PEO-PPO-PEO triblock copolymer with partially hydrophobic substances: NMR study (en)
skos:prefLabel	Interaction of premicellar states of a PEO-PPO-PEO triblock copolymer with partially hydrophobic substances: NMR study Interaction of premicellar states of a PEO-PPO-PEO triblock copolymer with partially hydrophobic substances: NMR study (en)
skos:notation	RIV/61389013:_____/12:00376309!RIV13-AV0-61389013
http://linked.open...avai/riv/aktivita	I P Z
http://linked.open...avai/riv/aktivity	I, P(GA203/09/1478), P(GAP205/11/1657), Z(AV0Z40500505)
http://linked.open...iv/cisloPeriodika	14
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Kříž, Jaroslav
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav makromolekulární chemie AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	142274
http://linked.open...ai/riv/idVysledku	RIV/61389013:_____/12:00376309
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	pluronics; hydrophobic interaction; NMR (en)
http://linked.open.../riv/klicoveSlovo	hydrophobic interaction pluronics NMR
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[7F93842B97B0]
http://linked.open...i/riv/nazevZdroje	Journal of Physical Chemistry B
http://linked.open...in/vavai/riv/obor	CD
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	1 (xsd:int)
http://linked.open...vavai/riv/projekt	Poloxamers and their modification – micelisation and gelation mechanism The control of biocompatible thermosensitive polymer nanoparticles by low-molecular weight additives: the study of underlying interactions
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	116
http://linked.open...iv/tvurceVysledku	Kříž, Jaroslav
http://linked.open...ain/vavai/riv/wos	000302591500033
http://linked.open...n/vavai/riv/zamer	Progresivní makromolekulární materiály a supramolekulární systémy: syntéza a studium vlastností, jevů a možností využití pro speciální aplikace a moderní technologie
issn	1520-6106
number of pages	8 (xsd:int)
http://bibframe.org/vocab/doi	10.1021/jp3003323

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