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Abstract The partial and integral enthalpies of mixing of liquid Ce-Mg alloys and the enthalpies of formation and melting of the intermetallic compound CeMg 3 were determined using different… (More)
ABSTRACT. A dozen molecular forms of purified jackbean urease have been characterized. Preparations of the enzyme at low ionic strength in the presence of thiols yield pure a urease, the traditional… (More)
Abstract Investigation of their ultracentrifugal and electrophoretic behavior and chemical reactivity has been used to characterize the suprastructure of the nongenetic urease isozymes. As purified… (More)
Heat capacity measurements of sodium alkoxides, namely sodium methoxide, sodium ethoxide, sodium n-propoxide and sodium iso-propoxide were carried out using differential scanning calorimetry (DSC) in… (More)
The thiazine ring in the title compound, C14H13N3O4S2, adopts a half-chair conformation. The methyl group at N3 is axial to the thiazine ring due to the tetrahedral geometry of the N3 atom. The… (More)
Abstract A number of factors governing the polymerization of α-urease, the monomer which represents the traditional enzyme of 480,000 molecular weight, have been explicitly defined. Of major… (More)
An efficient protocol for the synthesis of various substituted phenylpiperazines is presented using sulfolane as solvent.
Abstract Three previously uncharacterized, nongenetic urease isozymes have been analyzed by sucrose density gradient sedimentation, gel electrophoresis, and chemical reactivity. The full complement… (More)
The 15 N-NMR spectra of azoles, with natural isotope abundance, have been measured under different experimental conditions, and chemical shifts are reported for imidazoles, pyrazoles, oxazoles,… (More)