About: Amphiphilic Graft Copolymers in Selective Solvents: Molecular Dynamics Simulations and Scaling Theory

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Description	Intramolecular structures in amphiphilic graft copolymers with hydrophilic side chains and hydrophobic backbone have been studied by molecular dynamics simulations. We have found that balance of repulsive and attractive intramolecular interactions may result in the pearl-necklace-type conformations. The globular ?pearls? are formed by collapsed segments of the main chain comprising multiple spacers; these pearls are stabilized against aggregation by repulsive interactions of the hydrophilic grafts. The size of the pearls is controlled by the intramolecular hydrophilic-hydrophobic balance, whereas the total number of pearls in the graft copolymer depends on the length of the main chain. The results of simulations, in particular behavior of polymers of finite chain length, are rationalized on the basis of revised and extended scaling theory. Intramolecular structures in amphiphilic graft copolymers with hydrophilic side chains and hydrophobic backbone have been studied by molecular dynamics simulations. We have found that balance of repulsive and attractive intramolecular interactions may result in the pearl-necklace-type conformations. The globular ?pearls? are formed by collapsed segments of the main chain comprising multiple spacers; these pearls are stabilized against aggregation by repulsive interactions of the hydrophilic grafts. The size of the pearls is controlled by the intramolecular hydrophilic-hydrophobic balance, whereas the total number of pearls in the graft copolymer depends on the length of the main chain. The results of simulations, in particular behavior of polymers of finite chain length, are rationalized on the basis of revised and extended scaling theory. (en)
Title	Amphiphilic Graft Copolymers in Selective Solvents: Molecular Dynamics Simulations and Scaling Theory Amphiphilic Graft Copolymers in Selective Solvents: Molecular Dynamics Simulations and Scaling Theory (en)
skos:prefLabel	Amphiphilic Graft Copolymers in Selective Solvents: Molecular Dynamics Simulations and Scaling Theory Amphiphilic Graft Copolymers in Selective Solvents: Molecular Dynamics Simulations and Scaling Theory (en)
skos:notation	RIV/00216208:11310/09:10000118!RIV10-GA0-11310___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GD203/05/H001), P(IAA400500703), Z(MSM0021620857)
http://linked.open...iv/cisloPeriodika	17
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Limpouchová, Zuzana Procházka, Karel Kuldová, Jitka Košovan, Peter
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	Univerzita Karlova v Praze / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	302657
http://linked.open...ai/riv/idVysledku	RIV/00216208:11310/09:10000118
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Block copolymer; polyelectrolytes; pearl-necklace; polymer chains; conformation, poor solvents (en)
http://linked.open.../riv/klicoveSlovo	conformation Block copolymer poor solvents polyelectrolytes polymer chains pearl-necklace
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[2EB32416EFE9]
http://linked.open...i/riv/nazevZdroje	Macromolecules
http://linked.open...in/vavai/riv/obor	CD
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Three-dimensional distributions of branched polymers Experimental Study and Computer Modeling of the Structure and Function of the Complex Molecular Systems and Bio(macro)molecules
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	42
http://linked.open...iv/tvurceVysledku	Košovan, Peter Kuldová, Jitka Limpouchová, Zuzana Procházka, Karel Borisov, Oleg V Zhulina, Ekaterina B
http://linked.open...ain/vavai/riv/wos	000269635900052
http://linked.open...n/vavai/riv/zamer	Nové molekulární systémy pro pokročilé aplikace prospěšné pro zdraví a šetrné k životnímu prostředí
issn	0024-9297
number of pages	13 (xsd:int)
http://localhost/t...ganizacniJednotka	11310
is http://linked.open...avai/riv/vysledek of	Amphiphilic Graft Copolymers in Selective Solvents: Molecular Dynamics Simulations and Scaling Theory Amphiphilic Graft Copolymers in Selective Solvents: Molecular Dynamics Simulations and Scaling Theory Amphiphilic Graft Copolymers in Selective Solvents: Molecular Dynamics Simulations and Scaling Theory Amphiphilic Graft Copolymers in Selective Solvents: Molecular Dynamics Simulations and Scaling Theory

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