PEG-b-PPS diblock copolymer aggregates for hydrophobic drug solubilization and release: Cyclosporin A as an example
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Peptide based and peptide hybrid materials represent two interesting and challenging classes of biomaterials. Both classes consist of and contain, respectively, one or more polypeptide blocks, endowing the resulting polymers with enhanced self-assembly pro ...
Effective encapsulation of small, volatile, weakly water-soluble molecules such as flavors and fragrances is necessary to protect them from degradation, to increase their lifetime, and to improve their water dispersion and fixation depending on the substra ...
Carrier-mediated drug delivery has emerged as a powerful methodology for the treatment of various pathologies. The therapeutic index of traditional and novel drugs is enhanced via the increase of specificity due to targeting of drugs to a particular tissue ...
Pd nanoparticles (2 nm) stabilized in the micelle core of poly(ethylene oxide)-block-poly(2-vinylpyridine) were studied in partial hydrogenation of 2-butyne-1,4-diol. Both unsupported micelles (0.6 kg Pd/m3) and supported ones on g-Al2O3 (0.042% Pd) showed ...
A new class of water-soluble, amphiphilic star block copolymers with a large number of arms was prepared by sequential atom transfer radical polymerization (ATRP) of n-butyl methacrylate (BMA) and poly-(ethylene glycol) methyl ether methacrylate (PEGMA). A ...
A review. The ubiquitous use of poly(ethylene glycol) in the biomaterials field has also boosted the research activity in the chem. derivatization of this polymer. We focused our interest on the prepn. of tailor-made poly(ethylene glycol)-based structures ...
A family of graft copolymers that can sterically inhibit interactions between biological surfaces was developed. These copolymers contained phenylboronic acid (PBA) groups as saccharide-binding moieties on a poly-(L-lysine) backbone and poly(ethylene glyco ...
The self-assembly in aqueous solution of hybrid block copolymers consisting of amphiphilic ?-strand peptide sequences flanked by one or two PEG chains was investigated by means of circular dichroism spectroscopy, small-angle X-ray scattering, and transmiss ...
A one pot synthetic method was developed for prepn. of amphiphilic block copolymers using episulfide anionic polymn. for generating sym. or asym. tri- or multi-block copolymers via living mechanism. The method is based on in situ generated thiolates, which ...
A review, with 17 refs., on prepn. and properties and uses of polyelectrolytes based on poly(4-vinylpyridine) via functionalization. Cationic polyelectrolytes and polymeric betaines with narrow mol. wt. distribution and styrene block copolymers contg. char ...