Results 181 to 190 of about 3,260 (236)

Proteins from hyperthermophilic Archeae [PDF]

open access: yes, 1992
Hensel, R.   +3 more
core  

Optimization of Cyanocobalamin (Vitamin B12) Sorption onto Mesoporous Superparamagnetic Iron Oxide Nanoparticles. [PDF]

open access: yesMolecules
Flieger J   +6 more
europepmc   +1 more source
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The inorganic chemistry of the cobalt corrinoids - an update.

Journal of Inorganic Biochemistry, 2023
The inorganic chemistry of the cobalt corrinoids, derivatives of vitamin B12, is reviewed, with particular emphasis on equilibrium constants for, and kinetics of, their axial ligand substitution reactions. The role the corrin ligand plays in controlling and modifying the properties of the metal ion is emphasised. Other aspects of the chemistry of these
H. Marques
semanticscholar   +3 more sources

A method for the efficient adenosylation of corrinoids.

Methods in Enzymology, 2022
Adenosylcobamides (AdoCbas) are coenzymes required by organisms from all domains of life to perform challenging chemical reactions. AdoCbas are characterized by a cobalt-containing tetrapyrrole ring, where an adenosyl group is covalently attached to the cobalt ion via a unique Co-C organometallic bond.
Flavia G. Costa   +2 more
semanticscholar   +3 more sources

Analysis of corrinoids in ovine tissues.

Biomedical Chromatography, 2006
Corrinoids from various ovine tissue samples (liver, blood, small intestinal fluid and faeces) were analysed using a combination of high-performance liquid chromatography (HPLC) and a radioisotope dilution assay (RIDA) to estimate the distribution of ...
R. Kelly   +3 more
semanticscholar   +5 more sources

Complex samples cyanide detection with immobilized corrinoids.

ACS Applied Materials & Interfaces, 2012
Colorimetric solid phase with spatially separated extraction and detection zones as a rapid, effective and economic method for the optical detection of cyanide in complex samples is described.
Christine Männel-Croisé, Felix Zelder
semanticscholar   +3 more sources

Multiple Functions of Corrinoids in Prokaryote Biology

Prikladnaia biokhimiia i mikrobiologiia, 2003
Data on more than 30 metabolic processes and biochemical reactions, involving corrinoids, which have been described in prokaryotes thus far, are reviewed. These pathways (central or specific, catabolic or anabolic) are inherent in bacteria and archebacteria of diverse phylogenetic lineages, comprising several physiological groups.
E. P. Ryzhkova
semanticscholar   +4 more sources

Guanylcobamide and hypoxanthylcobamide-Corrinoids formed by Desulfovibrio vulgaris

Archives of Microbiology, 1994
The corrinoids synthesized by the sulfate-reducing bacterium Desulfovibrio vulgaris were analyzed. The compounds found were guanylcobamide and hypoxanthylcobamide; structures were determined by mass spectrometry, 1H-NMR, and ultraviolet/visible spectroscopy. D.
Daniel Harald Guimarães   +4 more
semanticscholar   +3 more sources

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