نتایج جستجو برای: f1 neuron
تعداد نتایج: 89029 فیلتر نتایج به سال:
Mallada basalis (Walker) has the potential to be a valuable biological control agent because of its predatory abilities, strong reproductive capacity, and broad prey range. This study aimed to improve on a previously used artificial diet for M. basalis, to achieve a longer oviposition period and greater survival rate and fecundity. We analyzed the development, survival, longevity, and reproduct...
Experiments showed that a neuron can fire when its membrane potential (an intrinsic quality related to electrical charge) reaches specific threshold. On theoretical studies, there are two crucial issues in exploring cortical neuronal dynamics: (i) what model describes spiking dynamics of each neuron, and (ii) how the neurons connected [E. M. Izhikevich, IEEE Trans. Neural Networks, 15 (2004)]. ...
1. The capacity of the histone-DNA complex to act as a template for RNA synthesis is increased by phosphorylation of histone F1. 2. In regenerating liver, DNA synthesis is preceded by phosphorylation of histone F1. 3. Exposure to ionizing radiation in vivo decreases and delays the phosphorylation of histone F1 in regenerating liver, and decreases it in the hyperplastic kidney. 4. Histone F1 is ...
We propose a solution to the challenge of the CoNLL 2008 shared task that uses a generative history-based latent variable model to predict the most likely derivation of a synchronous dependency parser for both syntactic and semantic dependencies. The submitted model yields 79.1% macroaverage F1 performance, for the joint task, 86.9% syntactic dependencies LAS and 71.0% semantic dependencies F1....
In classical fixed point and coincidence theory the notion of Nielsen numbers has proved to be extremely fruitful. We extend it to pairs (f1, f2) of maps between manifolds of arbitrary dimensions, using nonstabilized normal bordism theory as our main tool. This leads to estimates of the minimum numbers MCC(f1, f2) (and MC(f1, f2), resp.) of pathcomponents (and of points, resp.) in the coinciden...
Well-defined tissue tropism makes Autonomous Parvoviruses a valuable model for studies of virus-cell interactions and gene therapy research. We developed a new Minute Virus of Mice variant, different from the known prototype (MVMp) and immunosuppressive (MVMi) strains. The new virus variant, designated F1, was isolated from the culture of semi-permissive Fisher Rat Fibroblasts, F111, infected w...
We examined the effect of lactational exposure to tributyltin on innate immunodefenses in the F1 generation using in vivo and in vitro experiments. Pregnant C57BL/6 mice were given drinking water containing 0, 15, or 50 microg/ml of tributyltin chloride (TBTCl) from parturition to weaning. At weaning time, offspring were inoculated with Escherichia coli K-12, and bacterial clearances from the p...
1. The activity of the soluble phosphokinase for histone F1 increases in regenerating rat liver during the first period of DNA synthesis after partial hepatectomy. The increase probably represents new enzyme synthesis. 2. A dose of 500rd of gamma-irradiation given early in G1 decreases the amount of histone F1 phosphokinase found 22h after partial hepatectomy by 60-70%. 3. The enzyme preparatio...
Purified preparations of F1-ATPase (ATP phosphohydrolase; EC 3.6.1.3) isolated from yeast mitochondria catalyze the reaction of oleoylphosphate with ADP to yield ATP and oleic acid. Formation of ATP is specifically inhibited by the F1-ATPase inhibitor 1799 and by dinitrophenol. In the presence of F1, dinitrophenol "uncouples" the synthase reaction by causing rapid hydrolysis of oleoylphosphate ...
In classical fixed point and coincidence theory, the notion of Nielsen numbers has proved to be extremely fruitful. Here we extend it to pairs ( f1, f2) of maps between manifolds of arbitrary dimensions. This leads to estimates of the minimum numbers MCC( f1, f2) (and MC( f1, f2), resp.) of path components (and of points, resp.) in the coincidence sets of those pairs of maps which are ( f1, f2)...
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