نتایج جستجو برای: oxygen deficiency
تعداد نتایج: 342153 فیلتر نتایج به سال:
the hybrid molten/solid in2o3 - 30-48 wt.% bi2o3 oxide materials were studied with respect to their transport properties. the conductivities, oxygen ion transport numbers and oxygen permeation fluxes have been measured by using the four-probe dc, volumetric measurements of the faradaic efficiency and gas flow techniques, respectively. we show that the oxygen permeability of the hybrid molten/so...
introduction: oxygen is a drug and physician and nurses should be familiar with the effects and potential risks of oxygen therapy. the current study aimed to assess familiarity of physicians and nurses with various aspects of oxygen therapy. method: in this cross sectional study, the familiarity of physicians and nurses with various aspects of oxygen therapy in a teaching hospital was evaluated...
cd8 deficiency is a rare primary immunodeficiency with low or absent peripheral cd8 cells which results from tap deficiency, zap 70 deficiency and cd8 α gene mutation. we report a 14 year old female who presented with a history of recurrent pneumonia, bronchiectasis, otitis, severe varicella, herpetic lesions of mouth, bilateral uveitis, and cataract formation since the age of 8 years. she had ...
Background: Myeloperoxidase (MPO), an iron-containing protein, is found in the azurophilic granules of neutrophils (PMNs), and catalyzes the conversion of hydrogen peroxide and chloride ions (Cl) into hypochlorous acid, which plays an important role in oxygen-dependent bacterial killing. The enzyme was first isolated in 1941, and deficiency of MPO was first described in 1954. Fewer than 5% of p...
Iron (Fe) plays an important role in the growth and development of plants. The effects different Fe concentrations, 1-aminocyclopropane-1-carboxylic acid (ACC), cobalt chloride (Co2+) treatments on plant growth, quality adaptive response to deficiency stress were investigated flowering Chinese cabbage. results revealed that inhibited growth. contents vitamin C, soluble protein, sugar leaves sta...
OBJECTIVE Although nicotinamide adenine dinucleotide phosphate oxidase 2 (NOX2) is reportedly essential for phagocyte host defenses, it has been found to aggravate atherosclerosis in apolipoprotein E (Apoe)-null mice through excess production of superoxide. We therefore assessed the role of NOX2 in an experimental model of abdominal aortic aneurysm (AAA) and assessed the mechanism of NOX2 actio...
Thioredoxin 2 (TXN2; also known as Trx2) is a small mitochondrial redox protein essential for the control of mitochondrial reactive oxygen species homeostasis, apoptosis regulation and cell viability. Exome sequencing in a 16-year-old adolescent suffering from an infantile-onset neurodegenerative disorder with severe cerebellar atrophy, epilepsy, dystonia, optic atrophy, and peripheral neuropat...
Chlorophyll a (Chl) is a light-absorbing tetrapyrrole pigment that is essential for photosynthesis. The molecule is produced from glutamate via a complex biosynthetic pathway comprised of at least 15 enzymatic steps. The first half of the Chl pathway is shared with heme biosynthesis, and the latter half, called the Mg-branch, is specific to Mg-containing Chl a. Bilin pigments, such as phycocyan...
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