نتایج جستجو برای: nucleus reaction
تعداد نتایج: 518289 فیلتر نتایج به سال:
The isospin mixing was deduced in the compound nucleus ^{80}Zr at an excitation energy of E^{*}=54 MeV from the γ decay of the giant dipole resonance. The reaction ^{40}Ca+^{40}Ca at E_{beam}=136 MeV was used to form the compound nucleus in the isospin I=0 channel, while the reaction ^{37}Cl+^{44}Ca at E_{beam}=95 MeV was used as the reference reaction. The γ rays were detected with the AGAT...
The distribution of vasoactive intestinal polypeptide-like (VIP) immunoreactivity in neurons and processes within the suprachiasmatic nuclei (SCN) of the rat was investigated with light and electron microscopic immunocytochemical techniques. These studies utilized well characterized antisera directed to synthetic vasoactive intestinal polypeptide. Specificity was established by absorption of th...
gamma aminobutyrate (gaba) is a non-protein amino acid that is thought to play an important role in the modulation of the central response to stress. mechanisms by which gaba may facilitate these responses to stress are metabolic and/or mechanical disruptions. environmental stresses increase gaba accumulation through cytosolic acidification, induce an acidic ph-dependent activation of glutamate...
Defence-Aggression Reaction including its cardiovascular components may be inhibited during habituation or by stimulation in the restricted area of the prefrontal cortex. During the process of habituation components of the Defence-Aggression Reaction are inhibited on the level of nucleus paragigatocellularis lateralis of the ventral lateral medulla. The prefrontal cortex probably plays an impor...
An enzyme that catalyzes the reduction of Il-dehydrosteroids has been purified approximately 250-fold from acetone powder extracts of bovine adrenal glands. The reaction is specific for DPNH, but no structural requirements of substrate other than the steroid nucleus were evident. Steroids are competitive inhibitors with respect to 21-dehydrocortisol reduction. The reaction catalyzed was shown t...
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