نتایج جستجو برای: tail moment genotoxicity
تعداد نتایج: 116062 فیلتر نتایج به سال:
This paper concerns moment and tail probability inequalities and the strong law of large numbers for U-statistics with nonnegative or symmetrized kernels and their multisample and decoupled versions. SubBernoulli functions are used to obtain the moment and tail probability inequalities, which are then used to obtain necessary and sufficient conditions for the almost sure convergence to zero of ...
We examine the distribution of the global maximum of an independent superadditive process with negative drift. We show that, under certain conditions, the distribution’s upper tail decays exponentially at a certain rate that can be characterized as the unique positive zero of some limiting logarithmic moment generating function. This limiting logarithmic moment generating function in some sense...
We present a new weak law of large numbers for dependent heterogeneous triangular arrays fyn;tg with applications to tail trimming. The law follows from a new partial sum moment bound Ej Pn t=1 yn;tj p K Pn t=1 Ejyn;tj p for zero mean Lp-mixingale arrays fyn;t;=tg, p 2 [1; 2], where =t is a - eld. We do not require uniform integrability, nor restrict mixingale dependence or heterogeneity. The w...
The effect of diet supplemented with red beet (Beta vulgaris L.) leaf on antioxidant status of plasma and tissue was investigated in C57BL/6J mice. The mice were randomly divided into two groups after one-week acclimation, and fed a high fat (20%) and high cholesterol (1%) diet without (control group) or with 8% freeze-dried red beet leaf (RBL group) for 4 weeks. In RBL mice, lipid peroxidation...
Reactive oxygen species are important risk factors for age-related diseases, but they also act as signaling factors for endogenous antioxidative defense. The hypothesis that a multi-micronutrient supplement with nutritional doses of antioxidant nutrients and phytochemicals (MP) may provide protection against oxidative damage and maintain the endogenous antioxidant defense capacity was assessed ...
Tartrazine is an orange-colored, water soluble powder widely used in food products, drugs and cosmetics. The acceptable daily intake (ADI) oh human is 0-7.5 mg/kg body weight. The objective of our study was to examine the genotoxic effect of different Tartrazine concentrations of fresh whole blood cells; by using alkaline single-cell gel electrophoresis (SCGE), also called the comet assay. This...
[1] We report measurements of impulsive (2 ms) lightning charge moment changes in more than 1000 cloud-to-ground (CG) return strokes detected by the National Lightning Detection Network in three United States High Plains storms during the Severe Thunderstorm Electrification and Precipitation Study (STEPS) field program of 2000. The positive CG strokes (+CGs) in a mesoscale convective system exh...
Approximately 8 percent of couples in the World have problem with offspring production. Male infertility, which is the reason of the half of reproduction failures, is connected with diminished sperm production and deterioration of its quality. One important factor which affects fertility is the appearance of DNA damage in germ cells leading to enhanced frequency of mutations. This study aimed t...
BACKGROUND Comet assay is a quick method for assessing DNA damage in individual cells. It allows the detection of single and double DNA strand breaks, which represent the direct effect of some damaging agents. This study uses standard comet quantification models to compare the neurotoxic effect of orally administered propionic acid (PA) to that produced as a metabolite of bacterial overgrowth i...
Embryo quality and IVF treatment outcomes may correlate with different sperm comet assay parameters.
BACKGROUND Standard semen parameters have proven poor at predicting the outcomes of IVF treatment cycles. As recent studies suggest that the male genome may play an important role in early embryogenesis, this study attempts to correlate the level of sperm DNA damage in fresh semen and prepared sperm with the outcomes of conventional IVF treatment cycles. METHODS Forty patients embarking on IV...
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