Chronologie Chemie 1800–1970
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Light amplified inhibition of oxidative phosphorylation by chlorophyllins in rat liver mitochondria.
Chlorophyllins inhibit oxidative phosphorylation in rat liver mitochondria, a-ketoglutarate oxi dation is more sensitive than oxidizing succinate or /?-hydroxybutyrate oxidation. When chlorophyllin is present, a sudden illumination of mitochondria incubated in the dark leads to a remarkable decrease of their 0 2-comsumption. In the absence of light the inhibition is diminished but not abolished.
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The unequivocal identification of phenylthiohydantoins of the 20 amino acids usually occurring in proteins is possible by mass spectrometry and by combined gas chromatography-mass spectro metry. The method is sensitive enough to be applied to the identification of phenylthiohydantoins obtained from automated Edman degradations of polypeptides. Mass spectra of 21 amino acid phenylthiohydantoins...
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On 01.01.2015 it is planned to change the License Conditions (the removal of the Creative Commons License condition “no derivative works”). This is to allow reuse in the area of future scientific usage. Dieses Werk wurde im Jahr 2013 vom Verlag Zeitschrift für Naturforschung in Zusammenarbeit mit der Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V. digitalisiert und unter folgender...
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auch bei Bestrahlung in Anwesenheit von Schutz stoff auftreten, kann dam it erk lärt werden, daß eine H -A bstraktion am Zucker zwar zu einem Strang bruch führt, dieser aber im Gegensatz zum Schaden an der Desoxyribose durch Cysteamin nicht beein flußt werden kann. Unsere Ergebnisse deuten darauf hin, daß nicht das Öffnen der Zucker-Phosphatbindungen der DNS, sondern offenbar V eränderungen...
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The intravenous injection of Padutin, bradykinin, kallidin and eledoisin is without effect on the blood pressure of cartilagenous and teleost fish. Preparations of fish pancreas and fish serum prepared in the same manner as organs of mammals and birds for prekallikrein/ kallikrcin or kininogen/kinin were also without effect. Therefore in fish the existence of a kallikrein-kinin like circulation...
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ورودعنوان ژورنال:
- Medical History
دوره 22 شماره
صفحات -
تاریخ انتشار 1978