AustralieFrV1, Main, Exploration, bibRecord, 008893

Acid‐Degradable Core‐Crosslinked Micelles Prepared from Thermosensitive Glycopolymers Synthesized via RAFT Polymerization

Identifieur interne : 008893 ( Main/Exploration ); précédent : 008892; suivant : 008894

Acid‐Degradable Core‐Crosslinked Micelles Prepared from Thermosensitive Glycopolymers Synthesized via RAFT Polymerization

Auteurs : Ling Zhang [Australie] ; Julien Bernard [France] ; Thomas P. Davis [Australie] ; Christopher Barner-Kowollik [Australie] ; Martina H. Stenzel [Australie]

Source :

Macromolecular Rapid Communications [ 1022-1336 ] ; 2008-01-17.

RBID : ISTEX:BE0DB534B25FC0E9D28CDB8EC722AE29588E2603

Descripteurs français

Wicri :
- topic : Polymère.

English descriptors

KwdEn :
- Acidic, Acidic environment, Aldehyde, Aldehyde groups, Aqueous solution, Block copolymer, Block copolymers, Buffer solution, Chem, Commun, Copolymer, Crosslinked, Crosslinked micelle, Crosslinked micelles, Crosslinking, Crosslinking agent, Crosslinking agent conversion, Degradation, Dithioester chain ends, Glycopolymers, Gmbh, Hydrodynamic, Hydrodynamic diameter, Hydrodynamic diameters, Kgaa, Lcst, Macromol, Macromolecule, Micelle, Multimolecular assemblies, Particle size, Phosphate buffer, Pnipaam, Polym, Polymer, Raft agent, Raft polymerization, Raft process, Rapid commun, Reaction mixture, Stenzel, Thermosensitive, Thermosensitive glycopolymers, Triblock, Verlag, Verlag gmbh, Weinheim, Zhang.
Teeft :
- Acidic, Acidic environment, Aldehyde, Aldehyde groups, Aqueous solution, Block copolymer, Block copolymers, Buffer solution, Chem, Commun, Copolymer, Crosslinked, Crosslinked micelle, Crosslinked micelles, Crosslinking, Crosslinking agent, Crosslinking agent conversion, Degradation, Dithioester chain ends, Glycopolymers, Gmbh, Hydrodynamic, Hydrodynamic diameter, Hydrodynamic diameters, Kgaa, Lcst, Macromol, Macromolecule, Micelle, Multimolecular assemblies, Particle size, Phosphate buffer, Pnipaam, Polym, Polymer, Raft agent, Raft polymerization, Raft process, Rapid commun, Reaction mixture, Stenzel, Thermosensitive, Thermosensitive glycopolymers, Triblock, Verlag, Verlag gmbh, Weinheim, Zhang.

Abstract

A thermoresponsive block copolymer, namely poly(acryloyl glucosamine)‐block‐poly(N‐isopropylacryamide) (PAGA180‐b‐PNIPAAM350) was simultaneously self‐assembled and crosslinked in aqueous medium via RAFT polymerization at 60 °C to afford core‐crosslinked micelles exhibiting a glycopolymer corona and a PNIPAAM stimuli‐responsive core. An acid‐labile crosslinking agent, 3,9‐divinyl‐2,4,8,10‐tetraoxaspiro[5.5]undecane, was employed to generate thermosensitive and acid‐degradable core‐shell nanoparticles. Stable against degradation at pH = 6 and 8.2, the resulting core crosslinked micelles readily hydrolyzed into well‐defined free block copolymers at lower pH (30 min and 12 h respectively at pH = 2 and 4).

Url:

https://api.istex.fr/document/BE0DB534B25FC0E9D28CDB8EC722AE29588E2603/fulltext/pdf

DOI: 10.1002/marc.200700663

Affiliations:

Links toward previous steps (curation, corpus...)

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Le document en format XML

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<term>Macromolecule</term>
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<front><div type="abstract" xml:lang="en">A thermoresponsive block copolymer, namely poly(acryloyl glucosamine)‐block‐poly(N‐isopropylacryamide) (PAGA180‐b‐PNIPAAM350) was simultaneously self‐assembled and crosslinked in aqueous medium via RAFT polymerization at 60 °C to afford core‐crosslinked micelles exhibiting a glycopolymer corona and a PNIPAAM stimuli‐responsive core. An acid‐labile crosslinking agent, 3,9‐divinyl‐2,4,8,10‐tetraoxaspiro[5.5]undecane, was employed to generate thermosensitive and acid‐degradable core‐shell nanoparticles. Stable against degradation at pH = 6 and 8.2, the resulting core crosslinked micelles readily hydrolyzed into well‐defined free block copolymers at lower pH (30 min and 12 h respectively at pH = 2 and 4).</div>
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Acid‐Degradable Core‐Crosslinked Micelles Prepared from Thermosensitive Glycopolymers Synthesized via RAFT Polymerization

Acid‐Degradable Core‐Crosslinked Micelles Prepared from Thermosensitive Glycopolymers Synthesized via RAFT Polymerization

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

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