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riboflavin/hipoksi
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Sayfa 1 itibaren 18 Sonuçlar
Hypoxia potentiates ultraviolet A-induced riboflavin cytotoxicity.
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Flavins are thought to be important chromophores for chronic photo-induced skin injury, but the mechanism is not well known. We have reported that the primary cytotoxicity remaining in ultraviolet A-irradiated riboflavin solution is attributable to hydrogen peroxide. Because the dermis is more
Riboflavin supplementation improves energy metabolism in mice exposed to acute hypoxia.
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This study investigated the effects of riboflavin on energy metabolism in hypoxic mice. Kunming mice were fed diets containing riboflavin at doses of 6, 12, 24 and 48 mg/kg, respectively for 2 weeks before exposure to a simulated altitude of 6000 m for 8 h. Changes of riboflavin status and energy
[Variations of the riboflavin and nicotinic acid content in rats exposed to repeated hypoxia].
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The effect of riboflavin deficiency upon carbohydrate metabolism in anoxia.
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Effects of antioxidant supplementation on exercise performance in acute normobaric hypoxia.
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OBJECTIVE
To compare the effects of a 3-week supplementation between two different mixtures of antioxidants and placebo on aerobic exercise performance in acute normobaric hypoxia.
METHODS
Seventeen subjects were randomly assigned in a double-blind fashion to receive a broad-based antioxidants
Uptake of riboflavin by rat intestinal mucosa in vitro.
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The uptake of riboflavin was studied in everted sacs of rat intestine using [14C]riboflavin and [3H]polyethylene glycol to define the mechanism of mucosal membrane transport. Three-minute incubations were used throughout. Initial studies indicated the presence of saturable uptake in duodenum,
Biological activity of PtIV prodrugs triggered by riboflavin-mediated bioorthogonal photocatalysis.
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We have recently demonstrated that riboflavin (Rf) functions as unconventional bioorthogonal photocatalyst for the activation of PtIV prodrugs. In this study, we show how the combination of light and Rf with two PtIV prodrugs is a feasible strategy for light-mediated pancreatic cancer cell death
[Characteristics of status epilepticus in MELAS. Analysis of four cases].
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BACKGROUND
Clinical characteristics of status epilepticus (SE) as a first manifestation in patients with MELAS who had not previously epileptic episode has been studied little in the literature.
OBJECTIVE
Our aim was to analyse precipitating factors, clinical characteristics, EEG and difficulties in
[Congenital and acquired methemoglobinemia and its therapy].
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The hemoglobin (Hb) function is to bear oxygen. Hb is under the exposition of high oxygen concentration in the lung capillaries and it is very slowly oxidated to methemoglobin (MetHb) which is not able to bear oxygen. Enzymatic equipment of erythrocyte protects Fe2+ in HEM in front of the oxidation
Global transcriptional response of Caulobacter crescentus to iron availability.
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BACKGROUND
In the alpha subclass of proteobacteria iron homeostasis is controlled by diverse iron responsive regulators. Caulobacter crescentus, an important freshwater α-proteobacterium, uses the ferric uptake repressor (Fur) for such purpose. However, the impact of the iron availability on the C.
A bolt from the blue; A case report of an unusual asthma exacerbation.
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[A variant of pathogenetic therapy in the acute period of perinatal hypoxic-traumatic brain lesions in premature infants].
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The restorative potential of reparative cellular processes was studied in 39 immature infants born in hypoxia and receiving a pathogenetic treatment. In addition to the conventional treatment the test group of 24 infants received intravenously 20% piracetam solution, 1% riboflavin-mononucleotide
Interaction of antioxidants and their implication in genetic anemia.
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The generation of reactive oxygen species (ROS) is a steady-state cellular event in respiring cells. Their production can be grossly amplified in response to a variety of pathophysiological conditions such as inflammation, immunologic disorders, hypoxia, hyperoxia, metabolism of drug or alcohol,
Blue light induced reactive oxygen species from flavin mononucleotide and flavin adenine dinucleotide on lethality of HeLa cells.
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Photodynamic therapy (PDT) is a safe and non-invasive treatment for cancers and microbial infections. Various photosensitizers and light sources have been developed for clinical cancer therapies. Flavin mononucleotide (FMN) and flavin adenine dinucleotide (FAD) are the cofactor of enzymes and are
Electron transfer oxidation of tryptophan and tyrosine by triplet states and oxidized radicals of flavin sensitizers: a laser flash photolysis study.
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The riboflavin (RF, Vitamin B2) and flavin adenine dinucleotide (FAD)-sensitized photooxidation of tryptophan (TrpH) and tyrosine (TyrOH) were studied by laser flash photolysis. TrpH and TyrOH quench triplet flavin sensitizers to produce reduced flavin radicals (FlH*) and oxidized radicals of TrpH
Bilim tarafından desteklenen en eksiksiz şifalı otlar veritabanı
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- Görüntüye göre bitki tanıma
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- Aramanızla ilgili bilimsel yayınları okuyun
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Bir belirti veya hastalık yazın ve yardımcı olabilecek bitkiler hakkında bilgi edinin, bir bitki yazın ve karşı kullanıldığı hastalıkları ve semptomları görün.
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