نتایج جستجو برای: dextran
تعداد نتایج: 9812 فیلتر نتایج به سال:
We studied the effect of intravenous dextran 70 infusion on lung liquid and protein exchange to determine whether its effects were due to altered hemodynamics or to altered microvascular permeability. In each of six instrumented awake sheep with chronic lung lymph fistulas, we performed three experiments: 1) control, 2) a 30-minute infusion of 1 l of 6% dextran 70, and 3) an infusion of 1 l of ...
Severe anemia, which commonly occurs in patients with chronic renal failure, usually results from deficient production of erythropoietin. Other causative factors, i.e., iron deficiency, frequently contribute to the anemia, especially in patients on chronic hemodialysis. This has led to the almost routine use of intravenous iron-dextran. Recently, recombinant erythropoietin has been used in the ...
Cationic polymeric nanoparticles have great potential for developing drug delivery systemswith limited side effects for tumor medication. The goal of this research is investigation ofcationic dextran-spermine polymer (DS) efficacy for improvement of hydrophilic drug deliveryto negatively charged cancerous cells. Capecitabine (as a hydrophilic antineoplastic drug) wasloaded into the magnetic dex...
Wheat bran offers health benefits as a baking ingredient, but is detrimental to bread textural quality. Dextran production by microbial fermentation improves sourdough bread volume and freshness, but extensive acid production during fermentation may negate this effect. Enzymatic production of dextran in wheat bran was tested to determine if dextran-containing bran could be used in baking withou...
We have reported that dextran sulfate is a possible candidate for an antimetastatic drug because it inhibits cell adhesion. It has been demonstrated that dextran sulfate can detach cancer cells adhering to the bottom of plastic flasks, and that the detached cells do not readhere or proliferate. In this study, we investigated the effects of dextran sulfate on cancer cells, focusing on cell cycle...
Dextran, of the variety commonly used as plasma expander, markedly altered antibody synthesis to an unrelated antigenic stimulus, SRBC, in two animal species, guinea pig and mouse. The time at which dextran was administered relative to antigen was found to be most critical for increasing or decreasing the number of IgM and IgG PFC. Furthermore, these times differed for the two species studied. ...
Plasma volume expanders (PVEs) such as hydroxyethyl starch (HES) and dextran are misused in sports because they can prevent dehydration and reduce haematocrit values to mask erythropoietin abuse. Endogenous hydrolysis generates multiple HES and dextran oligosaccharides which are excreted in urine. Composition of the urinary metabolic profiles of PVEs varies depending on post-administration time...
PURPOSE Uveoscleral outflow provides a potential pathway to the posterior segment for drug delivery. In this study, the influence of molecular weight on the intraocular distribution of dextran molecules after intracameral injection in the mouse eye was investigated. METHODS The anterior chambers of the eyes of 64 anesthetized NIH Swiss mice were perfused with various fluorescent dextran solut...
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