although delivering of oxygen to patients seems to be easy, but this procedure can include some risks. in this article, we try to show you how this procedure can perform in a safe manner.   have you ever worked in a medical-surgical ward, or emergency department, or also in intensive care unit?   perhaps you ever have the care of patients who have need for supplemental oxygen. oxygen therapy is...

Plants, under natural or experimental conditions, can be subject to a range of O 2 concentrations from normal (normoxia) through deficient (hypoxia) to total absence (anoxia). Many metabolic processes are affected by O 2 deficiency but the most studied events are those related to respiration and metabolism of N. In the absence of a terminal electron acceptor for the electron transport chain, th...

glucose-6-phosphate dehydrogenase (g6pd) deficient subjects are vulnerable to oxidative stress. quercetin, a flavonoids, has been employed as a potent oxygen-free radical scavenger in order to assess the protective effects of quercetin against h2o2-induced oxidative damage in g6pd-deficient and normal human erythrocytes. erythrocytes of g6pd-deficient (n = 10) and normal (n = 10) subjects were ...

Background Central venous oxygen saturation (ScvO2) reflects the balance of oxygen delivery and consumption. Low ScvO2 indicates the presence of inadequate oxygen delivery, while high ScvO2 indicates reduced oxygen consumption and is sometimes associated with a high mortality rate in critically ill patients from dysoxia. Thiamine is an essential cofactor in cellular aerobic metabolism. Thiamine...

a hydroponic experiment was conducted to investigate the effect of of magnesium (mg) deficiency on plant cell metabolism in pgs durum wheat cultivar. the experiment was conducted in 4 replications as a completely randomized design in 2010. result showed that magnesium deficiency increased reactive oxygen species (ros) production such as hydrogen peroxide (h2o2). furthermore, mg deficiency decli...

Ž . Ž . The low-field magnetoresistance LFMR of oxygen-deficient La Sr MnO LSMO thin films deposited by laser 0.5 0.5 3 ablation under various oxygen pressures is studied with characterization of the microstructural, electroand magneto-transŽ . port properties in relation to oxygen vacancies, and explained by the spin-polarized tunneling SPT model. Significant oxygen deficiency dependence of th...