A new organic-inorganic hybrid compound, penta-morpholinium hexa-hydrogen hexa-molybdoferrate(III) sulfate 3.5-hydrate, (C4H10NO)5[Fe(III)(OH)6Mo6O18](SO4)·3.5H2O, was obtained from an aqueous solution. The polyoxidomolybdate (POM) anion is of the Anderson β-type with a central Fe(III) ion. Three of five crystallographically independent morpholinium cations are disordered over two sets of sites...

Exo-alpha-N-acetylgalactosaminidase has been purified 8000-fold from Clostridium perfringens by gel filtration, ion exchange chromatography, isoelectric precipitation, and negative adsorption on human O type erythrocytes. The resulting enzyme is active at physiological pH and temperature. Phenyl glycosides, oligosaccharides, mucins, glycolipids, and cell membranes are substrates for this enzyme...

We combine ion mobility spectrometry with cryogenic, messenger-tagging, infrared spectroscopy and mass spectrometry to identify different isomeric disaccharides of chondroitin sulfate (CS) and heparan sulfate (HS), which are representatives of two major subclasses of glycosaminoglycans. Our analysis shows that while CS and HS disaccharide isomers have similar drift times, they can be uniquely d...

In the centrosymmetric binuclear title molecule, [Co(2)(SO(4))(2)(C(8)H(7)N(3))(4)], the Co(II) ion is coordinated by two N,N'-bidentate 3-(2-pyrid-yl)pyrazole ligands and two sulfate ions, generating a distorted cis-CoO(2)N(4) octa-hedral geometry for the metal atom. The dihedral angles between the pyridine and pyrazole rings in the two ligands are 10.5 (2) and 7.38 (19)°. The bridging sulfate...

The crystal structure of cyclic AMP-catabolite activator protein (CAP) from Escherichia coli containing cobalt(II) chloride and ammonium sulfate is reported at 1.97 Å resolution. Each of the two CAP subunits in the asymmetric unit binds one cobalt(II) ion, in each case coordinated by N-terminal domain residues His19, His21 and Glu96 plus an additional acidic residue contributed via a crystal co...

Magnesium is necessary for the presynaptic release of acetylcholine from nerve endings and may produce effects similar to calciumentry-blocking drugs [1]. With the discovery of the N-methylD-aspartate (NMDA) receptor and its links to nociceptive pain transmission and central sensitization, there has been renewed interest in utilizing noncompetitive NMDA receptor antagonists, as potential antihy...

The asymmetric unit of the title compound, [Cu(C(6)H(15)NO(3))(H(2)O)(2)]SO(4)·H(2)O, contains a complex cation, a sulfate anion and one uncoordinated water mol-ecule. In the complex cation, the Cu(II) ion is coordinated by five O atoms (three of which are from the triethano-lamine ligand and two from coordinated water mol-ecules) and one N atom of the triethano-lamine ligand in a typical Jahn-...

BACKGROUND: Clostridium septicum has played a significant role as a causative agent of many acute fetal diseases in man and animals. Alpha- toxin is the main factor in the pathogenesis of C. septicum with hemolytic, necrotic and lethal activities. OBJECTIVES: The study was designed to evaluate alpha-toxin purification and antibody production rate against a local strain of C. septicum NH2 which ...

The study included the extraction and purification of glucose oxidase enzyme from Penicillium chrysogenum, pure by precipitation with ammonium sulfate at a saturation rate 70% specific activity in this step reached (10.802) units/mg fold 1.276, was followed dialysis step, 13,593 48.184. Finally, ion exchange chromatography using DEAE-Cellulose column, 19.355 units/mg, 36.59, after which migrate...

Abstract. Sulfate is one of the main components haze fine particles, and its formation mechanism remains controversial. A lack detailed comprehensive field data hinders accurate evaluation relative roles prevailing sulfate pathways. Here, we analyzed production rates using a state-of-the-art multiphase model constrained to observed concentrations transition metal, nitrogen dioxide, ozone, hydro...