نتایج جستجو برای: 24 dinitrophenylhydrazone
تعداد نتایج: 348201 فیلتر نتایج به سال:
In 1942 Wiesner (1) and Waksman, Horning, and Spencer (2) demonstrated that filtrates from cultures of Aspergillus clavatus grown upon synthetic media possess antibiotic activity. These investigators extracted and partially purified the active material (which was named clavacin by Waksman) but did not report its isolation in pure form. As a result of the observations made by Waksman’s group, pa...
Introduction: Diabetes is chronic disease which characterised by defect in insulin secretion and action leading to hyperglycaemia. Aim: To detect protein carbonyl as oxidative stress marker Type 2 Mellitus (T2DM). Materials Methods: The present cross-sectional study was conducted on 100 subjects (aged 40 70 years) out of 50 were T2DM normal individuals. Serum tested for Fasting Blood Sugar (FBS...
1. Two strains of Pseudomonas were grown with phenol and used to prepare cell extracts that metabolized catechol with the transient formation of 2-hydroxymuconic semialdehyde. 2. One of these preparations catalysed the conversion of 1mol. of catechol into 1mol. each of formate and 4-hydroxy-2-oxovalerate. 3. A method for the determination of 4-hydroxy-2-oxovalerate is described, together with s...
acetoacetate level is markedly raised it does not contribute to any increase in the third spot. The absence of any detectable acetoacetate spot is probably due to decarboxylation, both during the extraction process and during the run on the paper, and it was noticed that an acetone 2:4-dinitrophenylhydrazone spot was regularly seen on the chromatograms from the alloxan-treated animals. In view ...
of results (averages). R.P. R.P.+V. L. L.+V. Initial 2 hours 2 hours Diff. 1 hour 1 hour Diff. Residual. Normal (1) 1 18 Avitaminous (5) 1-17 2-12 1-69 0*43 Lactate. Normal (6) 0-92 2-32 Avitaminous (11) 6-48 4-89 1.59 L. +Fl. L. L.+V. L.+Fl. +V. L.+ L.+GI. 2 hours 2 hours Diff. 2 hours 2 hours Diff. lodo. L. + G. +Iodo. Lactate. Normal (6) 3-33 3-19 7-72 3-18 5-67 Avitaminous (11) 9-28 5-58 3 ...
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