نتایج جستجو برای: coating of chitosan
تعداد نتایج: 21169972 فیلتر نتایج به سال:
This work proposes the use of nonporous, smart, and stimulus responsive chitosan-based scaffolds for bone tissue engineering applications. The overall vision is to use biodegradable scaffolds based on chitosan and starch that present properties that will be regulated by bone regeneration, with the capability of gradual in situ pore formation. Biomimetic calcium phosphate (CaP) coatings were use...
Magnetic chitosan nanoparticles were prepared by the suspension cross-linking technique for use in the application of magnetic carrier technology. The Fe3O4 magnetic nanoparticles were synthesized by co-precipitation of FeCl2 and FeCl3 solution in base medium for using in the preparation of the magnetic chitosan. The morphological and magnetic properties of the magnetic nanoparticles were chara...
In this communication, we report a facile nanotopographical control over a stainless steel surface via an electrophoretic deposition of colloidal amphiphilic chitosan for preferential growth, proliferation or migration of vascular smooth muscle cells (VSMCs) and human umbilical vein endothelial cells (HUVECs). Atomic force microscopy revealed that the colloidal surface exhibited a deposition ti...
The objective of this work was to evaluate the physical properties and in vivo circulation of chitosan (CH)-coated liposomes of mitoxantrone (MTO). Changes in particle size and zeta potential confirmed the existence of a coating layer on the surface of liposomes. The in vitro release of adsorbed CH from the liposomes was significantly slower than CH solution, indicating the stable interaction b...
Here, we show the importance of the marine biomaterial chitin and its derivative, chitosan, in bioimplant applications. Titanium and titanium alloys have shown high potential for load bearing in bioimplant applications. However, after their application, a bond with living bone often does not develop or the integration of the implants with bone tissue takes several months. Moreover, the surface ...
Scientific research regarding the use of live bacterial cells for therapeutic purposes has been rapidly growing over the years and has generated considerable interest to scientists and health professionals. Probiotics are defined as essential live microorganisms which, when administered in adequate amounts, confer a health benefit on the host. Due to considerable beneficial health effects, thes...
PURPOSE The aim of this prospective study was to evaluate whether blending two kinds of biomaterials, chitosan and polycaprolactone (PCL), can be used as scaffold and carrier for growth and differentiation of corneal endothelial cells (CECs). METHODS A transparent, biocompatible carrier with cultured CECs on scaffold would be a perfect replacement graft. In the initial part of experiment, for...
In this study, the effects of different temperatures, incubation times and types reducing sugars, including glucose low molecular weight (Mw) chito-oligosaccharides (COS) with varying acetylation degree (AD), on extent Maillard reaction (MR) chitosan-based films were studied. Interestingly, an improvement structural functional properties all MR-crosslinked was noted, which is more pronounced by...
In this study, lipid modified polymeric nanoparticles for oral delivery of insulin was developed. Firstly, chitosan nanoparticles (CS NPs) was prepared by cross-linking of chitosan with triphosphate TPP as the core of the core-shell structured nanocarriers. Then lipid coating chitosan nanoparticles (LCS) was prepared by co-incubation of the CS NPs with EPC liposomes. The morphologies of these n...
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