نتایج جستجو برای: fe injection
تعداد نتایج: 235351 فیلتر نتایج به سال:
Paclitaxel is a chemotherapy drug inhibiting cell growth. In some studies, patients with normal liver function have experienced increase in bilirubin, ALT and AST by using paclitaxel. The aim of this study was to evaluate the ef-fect of intra-peritoneal injection of doses 5 and 10 mg/kg nZnO on the liver of rats treated with paclitaxel. 35 adult fe-male Wistar rats were divided into 7 groups in...
1) The effect of hemin on heme synthesis was studied in vivo. Heme synthesis was measured by determining red cell (59)Fe uptake and glycine-2-(14)C incorporation into red cell hemin in normal CF(1) female mice.2) Both bovine and human hemin significantly decreased red cell (59)Fe uptake 48, 72, and 96 hours after hemin injection.3) Glycine-2-(14)C incorporation into red cell hemin was decreased...
One type of oxidative DNA damage, 8-hydroxyguanine (8-OH-Gua), is known to increase in rat kidney DNA after the administration of a renal carcinogen, ferric nitrilotriacetate (Fe-NTA). To determine the involvement of oxygen radicals in Fe-NTA carcinogenesis, we examined whether the 8-OH-Gua repair enzymes are induced in the rat kidney after Fe-NTA administration, in addition to our analysis of ...
INTRODUCTION Accurate and precise determination of inorganic As (III/V) redox species is important in the interpretation of its toxicity and mobility in acid mine waters. Several analytical methods use arsine generation to separate arsenic species but high metal concentrations can suppress arsine production (Creed and others 1996). The potential inhibition of arsine formation by eleven metal sp...
Flow injection (FI) spectrophotometric method for iron (III) determination using Disodium-1-nitroso-2-naphthol-3,6disulphonate (nitroso-R salt) is performed. It is based on the measurement of Fe(III)-nitroso-R salt complex at 720 nm formed by the reaction between Fe(III) and nitroso-R salt in an acetate buffer solution pH 5. The FI parameters that affect the signal response have been optimized ...
The processing of erythrocyte iron by the reticuloendothelial cell has been characterized by kinetic measurements of blood radioactivity made after the intravenous injection of heat-damaged erythrocytes labeled with (59)Fe and of transferrin-bound (55)Fe. The early reticuloendothelial release of iron, a matter of hours, was calculated from the plasma turnover rate of (55)Fe and the plasma reapp...
The absorption of iron has been determined in nine healthy women studied serially during pregnancy and once post delivery. Following the oral administration of 5 mg aqueous 54FeSO4 plus ascorbic acid and the intravenous injection of 200 micrograms 57FeSO4, the isotope ratios of 54Fe: 56Fe and 57Fe: 56Fe in serum were measured by the use of inductively-coupled-plasma mass spectrometry whereby me...
Chemiluminescence (CL) of a metal–phthalocyanine complex was studied, and an analytical application of CL detection-flow injection analysis (FIA) of L-tyrosine was developed. The CL reaction of iron (III)–phthalocyanine tetrasulfonic acid (Fe–PTS) was examined using eight metals (Cu, Fe, Ni, Co, Mg, Pd, Pt and Zn)–phthalocyanine complexes. The CL signal immediately appeared, when the Fe-PTS aqu...
The symptoms of Mn-induced neurotoxicity resemble those of Parkinson's diseases. Since iron (Fe) appears to play a pivotal role in pathophysiology of Parkinson's disease, we set out to test the hypothesis that alterations in Fe-requiring enzymes such as aconitase contribute to Mn-induced neurotoxicity. Mitochondrial fractions prepared from rat brain were preincubated with MnCl2 in vitro, follow...
Successful spin injection into graphene makes it a competitive contender in the race to become a key material for quantum computation, or the spin-operation-based data processing and sensing. Engineering ferromagnetic metal (FM)/graphene heterojunctions is one of the most promising avenues to realise it, however, their interface magnetism remains an open question up to this day. In any proposed...
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