نتایج جستجو برای: 27
تعداد نتایج: 157360 فیلتر نتایج به سال:
We have recently been the first to demonstrate that interleukin (IL)-27 protects against the emergence and progression of autochthonous tumors. Accumulating evidence suggests that IL-27 might be uniquely well positioned to amplify beneficial TH1 anticancer immune responses while suppressing the unwanted accumulation of regulatory T cells.
The respiration of Escherichia coli is severely inhibited, during hyperosmotic stress period, as a consequence of plasmolysis; deplasmolysis allows the cell to recover respiration. A mutant lacking all K+ transport systems can neither deplasmolyze nor recover respiration unless betaine is present in the medium. Betaine, in these conditions, increases both cytoplasmic volume and respiration; thi...
The scattering time is an important factor which is connected with the maximum energy particle in the diffusive shock. In present simulations, the maximum momentum is calculated by allowing us to determine the scattering probability by scattering time in the scattering processes. We obtain the shape of the energy spectrum with cutoff at some maximum momentum. Also, we find that the value of the...
At the end of last lecture we introduced a very practical problem: how to generate a random graph with power law degree distribution. It turns out to be a nontrivial problem, so we will briefly look at several possible models here. In a random graph with a power law degree distribution, the expected number of degree k vertices is c n kα , where α is a parameter of the distribution (typically α ...
Introduction: Since its identification, hepatitis C virus infection has been implicated in the pathogenesis of several B cell disorders, specifically mixed cryoglobulinemia. Case Report: The authors describe the case of a 41-year-old male, who developed a mixed cryoglobulinemia vasculitis with renal involvement, several years after successful eradication of HCV with interferon therapy. Discussi...
False mildew is a serious disease of safflower crops in the Yaqui Valley, Mexico, and is caused by infection with a fungus belonging to the genus Ramularia. In the present study, a fungus isolated from leaf lesions was grown under different growth conditions in order to study its mycelial growth and spore production, determining that the solid medium of Septoria tritici at 18 °C of incubation a...
j=1 p̂j log2(p̂j) • LP Estimator The LP Estimator works by transforming the samples {Xi}i=1 into a fingerprint, which is the vector f = (f1, f2, ...) for which fi is the number of elements in the domain that occurred i times in the sample, i.e. with empirical frequency i/n. The fingerprint is also known as the “type” of a sample. The fingerprint serves as an estimate of the histogram of the distr...
marten using a broom rust in Engelmann spruce as a resting site Figure 29-Brooms caused by spruce broom rust are most conspicuous durmg the summer when yellow-brown spores are present. Figure 28Spruce broom rust on Engelmann spruce.
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