Role of Oligoethylene Glycol Side Chain Length in Responsive Polymeric Nanoassemblies

An oft-desired feature of a responsive nanomaterial is that it should undergo disassembly or morphological change upon application of a specific stimulus. The extent of response has been found to depend on factors such as the nature and the number of responsive functionalities incorporated into thes...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 35(2019), 24 vom: 18. Juni, Seite 7929-7936
1. Verfasser: Raghupathi, Kishore (VerfasserIn)
Weitere Verfasser: Kumar, Vikash, Sridhar, Uma, Ribbe, Alexander E, He, Huan, Thayumanavan, S
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2019
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Research Support, U.S. Gov't, Non-P.H.S.
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520 |a An oft-desired feature of a responsive nanomaterial is that it should undergo disassembly or morphological change upon application of a specific stimulus. The extent of response has been found to depend on factors such as the nature and the number of responsive functionalities incorporated into these particles. In this work, the length of oligoethylene glycol (OEG) side chains associated with the polymers has been shown to greatly influence the responsive behavior of polymeric nanoparticles. The integrity of these OEG-based polymeric assemblies was found to depend not only on the chemical cross-links but also on the physical cross-links in these aggregates in cases where the polymer chains bear long OEG side chains. The physical cross-linking in longer OEG side chain containing polymeric nanogels is present in the form of crystalline domains. Our results here highlight that these ethylene glycol-based hydrophilic units are not to be ignored as spectator units with water-solubilization characteristics but must be analyzed in the context of assembly stabilization and triggerability with the targeted stimulus 
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700 1 |a Kumar, Vikash  |e verfasserin  |4 aut 
700 1 |a Sridhar, Uma  |e verfasserin  |4 aut 
700 1 |a Ribbe, Alexander E  |e verfasserin  |4 aut 
700 1 |a He, Huan  |e verfasserin  |4 aut 
700 1 |a Thayumanavan, S  |e verfasserin  |4 aut 
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