نتایج جستجو برای: fischer matrices
تعداد نتایج: 83349 فیلتر نتایج به سال:
Inbred •¿ Fischer 344/N rats were immunized to a benz(a)pyrene-induced Fischer 344/N sarcoma (BP-1R) by the excision of growing tumor transplants. This tumor contained tumor-specific transplantation antigens; spleen cells from rats immunized to this tumor adoptively transferred tumor-specific transplantation immunity to syngeneic, normal recipients. RNA-rich extracts were prepared from the sp...
The Fischer indole synthesis is perhaps the most powerful method for indole preparation, but it often suffers from low regioselectivities with unsymmetric aliphatic ketone substrates and strong acidic conditions and is not suitable for α,β-unsaturated ketones. In this article, we disclose an efficient synthesis of N-protected indoles from N-arylhydroxamic acids/N-aryl-N-hydroxycarbamates and a ...
Impulsivity, a tendency toward immediate action without consideration of future consequences, is associated with a wide array of problematic behaviors. Response impulsivity, a type of behaviorally-assessed impulsivity characterized by behavioral disinhibition, is also associated with health risk behaviors. Response impulsivity is distinct from choice impulsivity, which is characterized by intol...
In selection index procedure, phenotype and genetic (co)variance matrices of traits are used for calculating different genetic parameters like index coefficients, index variance, genetic gain in selection goal and selection accuracy. Sometimes, it is possible that these matrices become inconsistent or they are not positive, nor definite. In the current study, for investigation of the effect of ...
This paper deals with an investigation of the effect of these reactions on bacteria. Not only the common staining behavior but also certain other similarities (Fischer et al., 1949; Fischer, 1951) between intact wool and gram negative bacteria, medium degraded wool and gram variable bacteria, as well as between highly degraded wool and gram positive bacteria suggested that reversal of gram stai...
BACKGROUND Different strains of rats have been used to study alcoholic liver disease (ALD) while the reason for selecting a particular rat strain was not apparent. PURPOSE The aim of our study was to compare outbred (Wistar) and inbred (Fischer) strains to evaluate pathological, biochemical changes, and gene expression differences associated with ethanol-induced early hepatic steatosis. STU...
The dynamic patterns of basal and stimulated hypothalamo-pituitary-adrenal (HPA) activity of freely moving female Lewis and Fischer 344 rats were compared using an automated blood-sampling system. Both strains showed pulsatile corticosterone release throughout the 24 h cycle. Lewis rats showed clear circadian variation in both pulse frequency (8.4 +/- 0.4 pulses between 1700-2300 h vs. 5.3 +/- ...
Citation: Fischer MH and Shaki S (2015) Two steps to space for numbers. The study of spatial-numerical associations (SNAs) is an active research project that was triggered by a landmark publication reporting several simple reaction time experiments: Adults classified visually presented numbers according to their parity by using left and right response keys (Dehaene et al., 1993). The main findi...
objective eudragits are widely used polymers in the production of oral sustained release dosage forms. the application of these polymers in the production of inert insoluble matrices has been investigated. however the effect of particle size, compaction force and presence of aerosil 200 as a glidant on the properties of eudragit rs and rl matrices prepared by direct compression of their physica...
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