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2009 OCT 13 ... oxidoreductases (Grxs) have previously been demonstrated to be involved in iron-sulfur (Fe-S) center biogenesis, including that in yeast, here we report data suggesting ...
2009 NOV 3 ... for both reduced and oxidized forms. Spectroscopic measurements indicate that the heme iron in C-cyt c(z) is in a low-spin state and this does not change with the redox state. ...
2009 NOV 3 ... brain function. Of particular importance is the regulation of redox metals such as iron (Fe), where excess levels can contribute to oxidative stress and protein aggregation, ...
2009 NOV 16 ... secret, Lu's team studied the behavior of the cupredoxin, azurin. Cupredoxins are redox-active copper proteins that play crucial roles in many important processes, such as ... electron transfers, and fuel-cell catalysts for energy conversion.From rusting iron to forest fires to the beating of a human heart, oxidation-reduction reactions, which ...
Subject: University of Illinois at Urbana-Champaign
2009 SEP 14 ... and may contribute toward disease pathogenesis by affecting cell metabolism as well as iron homeostasis," wrote B.E. Dwyer and colleagues. The researchers concluded: ...
2009 OCT 12 ... bacteria, the cellular response to oxidative stress is activated by oxidation of the iron-sulfur clusters in SoxR, which then induces transcription of soxS, turning on a battery ...
2009 OCT 12 ... 'The heme-binding protein HbpS regulates the activity of the Streptomyces reticuli iron-sensing histidine kinase SenS in a redox-dependent manner,' are discussed in a new ...
2009 NOV 27 ... recovery (LRSR) process, based on reactive absorption of H2S(g) in an acidic (pH 1.0) iron solution [Fe(III) = 9-8 g L-1, [Fe(II) = 1-2 g L-1) and electrochemical regeneration of ...
2009 NOV 23 ... like hesperetin, evidence a pro-oxidant activity higher than the ascorbic acid/iron reference system," wrote D. Barreca and colleagues, University of Messina. ...
2009 OCT 13 ... between different diatomic signal molecules, NO and CO, both ligands of the reduced haem iron in vitro, suggesting that DNR responds specifically to NO." Castiglione ...
2009 OCT 19 ... "The interaction of amyloid-beta (A beta) and redox-active metals, two important biomarkers present in the. senile plaques of Alzheimer's disease ... of oxygen to produce H2O2, These findings provide significant insight into the role of iron and A beta in the development of AD. The binding of iron by A beta modulates the redox ...
2009 NOV 16 ... vivo. After 2 h aerobic induction of PFL-AE expression, approximately 44% of the total iron is present in [4Fe-4S](2+), Clusters, 6% in [2Fe-2S](2+) clusters, and the remainder as ...
2009 OCT 12 ... According to recent research from Nagoya, Japan, "High-yield synthesis of the iron-sulfur cluster [{N(SiMe3)(2)}{SC(NMe2)(2))Fe4S3](2)(mu(6)-S) {mu-N(SiMe3)(2))(2) (1), ...
2009 SEP 28 ... catalyzes the rate-limiting step in heme catabolism to generate CO, biliverdin, and free iron. Two isoforms of HO have been identified in mammals: inducible HO-1 and constitutively ...
2009 OCT 13 ... c biogenesis: mechanisms for covalent modifications and trafficking of heme and for heme-iron redox control.' "Heme is the prosthetic group for cytochromes, which are directly ...
2009 OCT 12 ... New research, 'Synthesis, structure, spectra and reactivity of iron(III) complexes of imidazole and pyrazole containing ligands as functional models for ...
2009 OCT 5 ... hydrogenase contains several metal centres, including the bimetallic Ni-Fe active site, iron-sulfur clusters and a Mg(2+) ion. The Ni-Fe active site is located in the inner part of ...
2009 OCT 13 ... liquid chromatography (HPLC) with electrochemical detector. Both copper (Cu) and iron (Fe) ions generated DHBA isomers in a concentration-dependent manner but at different ...
2009 OCT 6 ... oxygenation remain uncertain. Here we use chromium (Cr) stable isotopes from banded iron formations (BIFs) to track the presence of Cr(VI) in Precambrian oceans, providing a ...
