Zobrazeno 1 - 10
of 209
pro vyhledávání: '"W. Schellenberger"'
Autor:
T. Remmerbach, M. Hannig, Susanne Kneist, K. Breitung, Stefan Rupf, Klaus Eschrich, W. Schellenberger
Publikováno v:
Journal of Dental Research. 87:1172-1176
Information concerning phenotypic heterogeneity of Streptococcus mutans in carious dentin is sparse. Matrix-assisted laser-desorption/ionization-time-of-flight mass-spectrometry (MALDI-TOF-MS) facilitates the phenotypic differentiation of bacteria to
Publikováno v:
European Journal of Endocrinology. :224-230
OBJECTIVE: To identify binding proteins of leptin in human plasma. METHODS: Binding was evaluated by electrophoresis, size exclusion chromatography (SEC), Western blotting, and radioisotope labeling. Quantification of leptin and the different forms o
Autor:
W. Schellenberger, J. F. Hervagault
Publikováno v:
Journal of Biological Systems. :375-387
In a previous paper [26] the emergence of irreversible transitions between alternative branches of stationary states in a bistable dynamical regime of the phosphofructokinase/fructose 1,6-bisphosphatase model cycle was shown to exist in addition to r
Publikováno v:
Biomedica biochimica acta. 50(7)
Several methods for the permeabilization of Saccharomyces cerevisiae M1 were compared. Cells were permeabilized in the presence of 3% toluene/mercaptoethanol, and the activities of 6-phosphofructo-2-kinase, fructose-2,6-bisphosphatase and alkaline ph
Publikováno v:
Biomedica biochimica acta. 50(12)
Intramolecular cross-linking of octameric yeast phosphofructokinase was applied to study the effect of substrate-imprinted conformational changes on the regulatory properties of the enzyme:Cross-linking performed in the presence of fructose 6-phospha
Publikováno v:
Biomedica biochimica acta. 49(6)
The initial kinetics as well as the reactivity of the fast reacting thiol groups of a tetrameric form of phosphofructokinase from baker's yeast (called 12 S-enzyme), obtained by limited proteolysis in the presence of ATP were studied by the stopped-f
Publikováno v:
Biomedica biochimica acta. 49(5)
A cross-linked form of yeast phosphofructokinase in which up to four of the subunits of the octameric molecule were found covalently linked by dimethyl suberimidate exhibits no cooperativity with respect to fructose 6-phosphate and is only weakly inh
Akademický článek
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Publikováno v:
Physica Status Solidi (b). 44:403-410
A new simplified model for the calculation of the atomic structure of screw dislocations in b.c.c. metals is suggested. The results for the two different equilibrium configurations are discussed. They are in good agreement with those obtained by latt
Autor:
R. Heinrich, W. Schellenberger
Publikováno v:
Physica Status Solidi (b). 47:81-92
A model for the calculation of the Peierls potential of straight screw dislocations in the b.c.c. lattice is developed. The method takes into account the detailed atomic nonequilibrium structure of the dislocation. Those nonequilibrium configurations