نتایج جستجو برای: osmolarity
تعداد نتایج: 2564 فیلتر نتایج به سال:
Objective: The aim of the present study was to evaluate the possible protective effect of Plantago major (P. major) extract against doxorubicin (DXR)-induced renal inflammation in rats. Materials and Methods: 80 male albino rats were randomly divided into 8 groups as follows: control, DXR, Ext (extract) 600, Ext1200, dexamethasone+DXR, vitamin E+DXR, Ext600+DXR, and Ext1200+DXR. Duration of the...
BACKGROUND Glycerol, whose formation contributes to cellular redox balancing and osmoregulation in Saccharomyces cerevisiae, is an important by-product of yeast-based bioethanol production. Replacing the glycerol pathway by an engineered pathway for NAD+-dependent acetate reduction has been shown to improve ethanol yields and contribute to detoxification of acetate-containing media. However, th...
Introduction: Ever since there is insufficient and incoherent information about the effect of the Ramadan Fasting together with regular exercise on levels of serum osmolarity, and electrolytes concentration. The aim of this study was to compare the effect of fasting and physical activity on active and non-active males’ body composition, serum osmolarity levels and some parameters of electrolyte...
the ion_ osmoregulation and salinity tolerance capabilities of juvenile acipenser persicus of different age and size groups with 90 fry for each treatment in freshwater (fw :< 0.5 ‰), estuary water (ew: 9.5 ‰) and the caspian sea water (csw: 12.5 ‰) were investigated. the fishes are directly transferred from fw to ew and csw. the possible repercussions of ion_osmoregulatory processes on some cl...
Salmonella enterica serovar Typhi z66-positive strains have two different flagellin genes, fliC:d/j and fljB:z66, located on the chromosome and on a linear plasmid, respectively. To investigate the mechanism underlying the expressional regulation of fljB:z66, gene deletion mutants of the regulators FliA, FlhDC, and OmpR were constructed in this study. The expression levels of fliC and fljB:z66 ...
YOUNG, DAVID B., AND HOWARD I-L ROSTORFER. BloodJEow and filtration rate responses to alterations in mal arterial osmolarity. Am. J. Physiol. 225(5) : 1003-1008. 19 73 .-By infusing small volumes of hypertonic or hypotonic solutions of NaCl, dextrose, or urea into the renal arteries of anesthetized dogs, renal arterial plasma osmolarity was changed over a range of + 56 to 34 mOsm/liter. Within ...
OBJECTIVES This study examined how physiological levels of extracellular osmolarity influence proteoglycan accumulation in articular chondrocytes in a three-dimensional culture system. METHODS Cells were obtained from metacarpal phalangeal joints of 18-24 month bovine. They were cultured for 6 days in alginate beads at 4 million cells/ml in DMEM containing 6% FBS under 21% O2. Medium osmolari...
This study evaluated the protective effect of protein, as dependent on osmolarity, and the quality of water sources used to prepare embryo culture media. In Experiment 1, two concentrations of NaCl were used to obtain culture media with normal (280 mOSM) and low (245 mOSM) osmolarity, each supplemented with either bovine serum albumin (BSA) or polyvinyl alcohol (PVA). Low osmolarity improved bl...
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