Now showing items 421-426 of 426
Selective catechol oxidations with diphenyl selenoxide. Applications to phenolic coupling.
(Elsevier, 1979)
Diphenyl selenoxide was used as a mild and selective oxidant in the synthesis of aporphines and homoaporphines. An intramolecular coupling between a phenol and a catechol is believed to proceed catechol selenurane intermediates.
Electron paramagnetic resonance studies on nitrogenase. II. Interaction of adenosine 5'-triphosphate with azoferredoxin
(Elsevier, 1973-02-22)
The interaction of ATP with both iron-sulfur proteins of nitrogenase from Clostridium pasteurianum, azoferredoxin and molybdoferredoxin, has been studied by low-temperature EPR spectroscopy. ATP in the presence of Mg2+ ...
Quantitative effects of unsaturated fatty acids in microbial mutants : VII. Influence of the acetylenic bond location on the effectiveness of acyl chains
(Elsevier, 1977-03-25)
The ability of a series of 18 carbon acetylenic fatty acids to fulfill the unsaturated fatty acid requirements of Escherichia coli and Saccharomyces cerevisiae was investigated. Despite their high melting points (>40[deg]C), ...
Generation of submicron metal particles
(Elsevier, 1975-04)
A low inductance circuit was designed, built and employed for the evaporation of metal wires with subsequent condensation of the metal vapor into small particles. The metal vapor was produced by the fast transfer of energy ...
Glassy Carbon low-temperature thermodynamic properties
(Elsevier, 1970-11)
The heat capacity of Glassy Carbon was measured by adiabatic calorimetry from 5 to 350 K and has no transitions or thermal anomalies. It parallels that of pyrolytic graphite annealed at 2600 [deg]C in showing an approximate ...