نتایج جستجو برای: chitosan microparticles
تعداد نتایج: 24600 فیلتر نتایج به سال:
Platelet microparticles are a normal constituent of circulating blood. Several studies have demonstrated positive correlations between thrombotic states and platelet microparticle levels. Yet little is known about the processes by which platelet microparticles are generated in vivo. We now characterize microparticles derived directly from megakaryocytes. Video microscopy of live mouse megakaryo...
OBJECTIVE Microparticles are small, membrane-coated vesicles that can serve as novel signaling structures between cells. The aim of the present study was to analyze the profile of microparticles in the blood of patients with systemic sclerosis (SSc; scleroderma) and healthy controls. METHODS The study population consisted of 37 patients with SSc and 15 healthy subjects of comparable sex and a...
BACKGROUND We recently assigned a new fibrinolytic function to cell-derived microparticles in vitro. In this study we explored the relevance of this novel property of microparticles to the in vivo situation. DESIGN AND METHODS Circulating microparticles were isolated from the plasma of patients with thrombotic thrombocytopenic purpura or cardiovascular disease and from healthy subjects. Micro...
conclusions algino-pectinate mucoadhesive formulations exhibited promising properties of a sustained release form for piroxicam and provided distinct tissue protection in stomach. objective the purpose of this research was to decrease gastric side effects of piroxicam by formulating microspheres of alginate and algino-pectinate beads of the drug. materials and methods ionotropic gelation was us...
This study examined the role of platelet microparticles in thromboxane A2 (TXA2) production. Incubation of microparticles with [14C]arachidonic acid and A23187 produced 14C-labeled TXB2, the stable metabolite of TXA2. To investigate the possibility that endothelial cells (ECs) transfer arachidonic acid to platelet microparticles and promote TXB2 synthesis, ECs with their cellular lipids prelabe...
A bioactive grape pomace extract (GPE) rich in polyphenols was encapsulated into alginate (GPE-Alg) or chitosan (GPE-CS) microparticles, later incorporated coconut water. Biological and sensory properties were evaluated. Storage performed at 4 ˚C followed by quality assessment. Evaluation of water after gastrointestinal digestion on the growth pathogens probiotic bacteria showed that fortificat...
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