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See detailDesign of reversibly disulfide core cross-linked polymer micelles
Cajot, Sébastien ULg; Schol, Daureen ULg; Danhier, F. et al

Poster (2011, December 07)

Detailed reference viewed: 31 (10 ULg)
See detailDesign of reversibly disulfide core cross-linked polymer micelles
Cajot, Sébastien ULg; Schol, Daureen ULg; Danhier, F. et al

Poster (2011, November 21)

Over the last decade, polymer micelles attracted an increasing interest in drug pharmaceutical research because they could be used as efficient drug delivery systems. Micelles of amphiphilic block ... [more ▼]

Over the last decade, polymer micelles attracted an increasing interest in drug pharmaceutical research because they could be used as efficient drug delivery systems. Micelles of amphiphilic block copolymers are supramolecular core-shell type assemblies of tens of nanometers in diameter. An accumulation of polymer nanocarriers to solid tumours is possible due to the EPR effect. Even if micelles get a high stability in aqueous media, the dissociation of micelles is not always preserved when they are injected in the blood compartment. This work aims at reporting on the design of reversibly cross-linked micelles based on PEO-b-PCL copolymers by introducing disulfide bridges in the micelle core to provide higher stability. Different kinds of macromolecular architectures are employed to study their impact on the micelles and their biological behavior. These new functional copolymers were all successfully micellized, reversibly cross-linked and are stealthy, which show the efficiency of the developed cross-linking process and offer a set of nanocarriers to be tested further, as shown on the first biological tests. [less ▲]

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See detailDisulfide bridges, new prospect in drug delivery systems?
Cajot, Sébastien ULg; Danhier, F.; Schol, Daureen ULg et al

Poster (2011, September 03)

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See detailReversibly core-cross-linked micelles sensitive to reductive environment for the design of drug delivery systems
Cajot, Sébastien ULg; Danhier, F.; Collodoro, M. et al

Poster (2011, June 16)

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See detailDesign of reversibly core cross-linked micelles sensitive to reductive environment
Cajot, Sébastien ULg; Lautram, N.; Passirani, Catherine et al

in Journal of Controlled Release (2011), 152(1), 30-36

Azido-functional amphiphilic macromolecules based on a biodegradable aliphatic polyester (poly-epsilon-caprolactone, PCL) and a bioeliminable hydrophilic poly(ethylene oxide) (PEO) block have been used in ... [more ▼]

Azido-functional amphiphilic macromolecules based on a biodegradable aliphatic polyester (poly-epsilon-caprolactone, PCL) and a bioeliminable hydrophilic poly(ethylene oxide) (PEO) block have been used in order to build micellar drug delivery systems. Such azido groups being able to react by alkyne-azide 1,3 Huisgens cycloaddition (a click reaction) have been used further in order to cross-link the micelles via redox-sensitive disulfide bridges. This reversible cross-linking allows to prevent micelles dissociation at high dilution upon injection and to trigger their dissociation in more reductive environment, such as the cytosol. Copolymers having three different architectures, i.e. able to crosslink either the core or the shell of core-shell-corona system have been used to investigate their micellization, cross-linking and cross-linking reversibility. The stealthiness of these micelles crosslinked in the hydrophobic segment has also been studied in vitro. [less ▲]

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See detailSynthesis and characterization of reversibly core cross-linked micelles sensitive to reductive environment
Cajot, Sébastien ULg; Danhier, F.; Collodoro, M. et al

Poster (2011, May 12)

Detailed reference viewed: 36 (14 ULg)
See detailNovel amphiphilic copolymers and design of smart nanoparticles for drug delivery systems
Cajot, Sébastien ULg; Danhier, F.; Lautram, N. et al

Poster (2011, April 29)

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See detailSynthesis of core cross-linked micelles for the development of new drug delivery systems
Cajot, Sébastien ULg; Danhier, F.; Lautram, N. et al

Poster (2010, October 29)

Detailed reference viewed: 24 (6 ULg)