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Due to thiolation of poly‐ and oligosaccharides numerous favorable properties for tissue engineering and wound healing can be introduced. Poly‐ and oligosaccharides can be thiolated via hydroxyl‐to‐thiol conversions or the covalent attachment of sulfhydryl ligands to hydroxyl, carbonic acid or amino groups on them. Since thiolated poly‐ and oligosaccharides can cross‐link via disulfide bonds, they...
The past two decades have witnessed a rapid progress in the development of surface charge‐reversible nanoparticles (NPs) for drug delivery and diagnosis. These NPs are able to elegantly address the polycation dilemma. Converting their surface charge from negative/neutral to positive at the target site, they can substantially improve delivery of drugs and diagnostic agents. By specific stimuli like...