BOUSQUET, Antoine; IBARBOURE, Emmanuel; DRUMMOND, Carlos; LABRUGÈRE, Christine; PAPON, Eric; RODRIGUEZ-HERNANDEZ, Juan

doi:10.1021/ma702504d

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BOUSQUET, Antoine
Laboratoire de Chimie des polymères organiques [LCPO]

IBARBOURE, Emmanuel
Laboratoire de Chimie des polymères organiques [LCPO]

DRUMMOND, Carlos

Centre de recherches Paul Pascal [CRPP]

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International Journal of Biological Macromolecules. 2008, vol. 41, n° 4, p. 1053-1056

Elsevier

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The surface segregation has been found to be an appropriate method for preparing functionalized surfaces with polypeptide-b-polystyrene diblock copolymers. The preparation of stimuli-responsive surfaces containing polypeptide poly(L-glutamic acid) (PGA) segments at the surface by using amphiphilic polystyrene-b-poly(L-glutamic acid) block copolymers as surface modification agents has been demonstrated. Poly(L-glutamic acid), revealed at the surface by annealing in humid environment, has the capability of changing back and forth between a charged and a neutralized state giving a pH-responsive character to the surface. Such surfaces are currently being evaluated for different potential applications including cellular adhesion in which both surface charge density and structure are key parameters.< Réduire

Mots clés en anglais

Radical polymerization

Surface segregation

Block copolymers

Polystyrene

Polymers

Polypeptide

Mebranes

Design

Blends

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Design of stimuli-responsive surfaces prepared by surface segregation of polypeptide-b-polystyrene diblock copolymers

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