RODRIGUEZ-HERNANDEZ, Juan; BABIN, Jerome; ZAPPONE, B.; LECOMMANDOUX, Sebastien

doi:10.1021/bm0501499

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RODRIGUEZ-HERNANDEZ, Juan
Laboratoire de Chimie des polymères organiques [LCPO]

BABIN, Jerome
Laboratoire de Chimie des polymères organiques [LCPO]

ZAPPONE, B.
Centre de recherches Paul Pascal [CRPP]

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Biomacromolecules. 2005, vol. 6, n° 4, p. 2213-2220

American Chemical Society

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Supramolecular structures formed by self-assembly of diblock copolymers in solution are stable over restricted environmental conditions: concentration, temperature, pH, or ion strength among others. To enlarge their domain of application, it appears necessary to develop stabilization strategies. We report here different strategies to stabilize the shell of micelles formed by self-assembly of amphiphilic polydiene-b-polypeptide diblock copolymers. For this purpose, covalent bonds can be formed between either amine or carboxylic acid groups distributed along the soluble peptide block and a cross-linking agent that contains respectively aldehyde or amine functions. Shell stabilization affords systems with unique properties that combine three main advantages: shape persistence, control of the porosity, and stimuli-resonsive behavior. The covalent capture of such macromolecular objects has been studied by light scattering, AFM, and conductimetry< Leer menos

Palabras clave en inglés

NANOPARTICLES

MICELLIZATION

COMPLEX

METHACRYLATE)

DIBLOCK COPOLYMERS

NANOSPHERES

VESICLES

NANOFIBERS

MICELLES

POLYSTYRENE

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Preparation of shell cross-linked nano-objects from hybrid-peptide block copolymers

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