نتایج جستجو برای: sepia officinalis
تعداد نتایج: 6867 فیلتر نتایج به سال:
The biosynthesis, localization and fate of catecholamines in the ink gland of the cuttlefish Sepia officinalis were investigated by combined biochemical and immunohistocytochemical methodologies. HPLC analysis of crude ink gland extracts indicated the presence of dopa (2.18+/-0.82 nmol/mg of protein) and DA (dopamine, 0.06+/-0.02 nmol/mg of protein), but no detectable noradrenaline or adrenalin...
Determination of the quality changes of whole cuttlefish (Sepia officinalis, L., 1758) stored at 2ºC
drosylation reaction and may account for the observed inhibition when crude sepia extracts are tested at high concentrations. The K, for sepia pteridine in the hydrosylation reaction is 3 to 4 X 10e6 M. On a molar basis it is approximately 25 times more active than tetrahydrofolate. The maximal rate of tyrosine formation at saturating levels of cofactor is about the same for sepia pteridinc and...
Cuttlefish eggs were exposed to background concentrations of dissolved Ag and Cd, using the radiotracers (110m)Ag and (109)Cd. At different time of the embryonic development (50 days), some eggs were placed in non-contaminating conditions. During the experiment, the uptake and depuration kinetics, and distribution of these metals among the egg compartments (i.e. eggshell, vitellus, peri-vitelli...
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