نتایج جستجو برای: temperature suppression
تعداد نتایج: 555963 فیلتر نتایج به سال:
Temperature is a key seasonal signal that shapes plant growth. Elevated ambient temperature accelerates growth and developmental transitions [1] while compromising plant defenses, leading to increased susceptibility [2, 3]. Suppression of immunity at elevated temperature is at the interface of trade-off between growth and defense [2, 4]. Climate change and the increase in average growth-season ...
پیش زمینه و هدف: اگر چه روش های مختلفی برای تشخیص مرگ مغزی وجود دارد، ولی تست های تائید کننده بعدی نیز مورد نیاز می باشد. انجام این تست ها نیاز به صرف هزینه زیاد، به خصوص پرسنل و تکنولوژی، انتقال بیماران به خارج از بخش مراقبت های ویژه و استفاده از ماده حاجب دارد. شاخص دو طیفی (bis) امکان پایش عینی و مداوم سطح هوشیاری را فراهم می سازد، هدف این مطالعه تعیین حساسیت مونیتورینگ شاخص دو طیفی در تائید...
Mammalian hibernation involves periods of substantial suppression of metabolic rate (torpor) allowing energy conservation during winter. In thirteen-lined ground squirrels (Ictidomys tridecemlineatus), suppression of liver mitochondrial respiration during entrance into torpor occurs rapidly (within 2 h) before core body temperature falls below 30°C, whereas reversal of this suppression occurs s...
Chung DJ, Szyszka B, Brown JC, Hüner NP, Staples JF. Changes in the mitochondrial phosphoproteome during mammalian hibernation. Physiol Genomics 45: 389–399, 2013. First published April 9, 2013; doi:10.1152/physiolgenomics.00171.2012.—Mammalian hibernation involves periods of substantial suppression of metabolic rate (torpor) allowing energy conservation during winter. In thirteen-lined ground ...
Activation of group I metabotropic glutamate receptors (mGluRs) leads to a concerted modulation of spike afterpotentials in guinea pig hippocampal neurons including a suppression of both medium and slow afterhyperpolarizations (AHPs). Suppression of AHPs may be long-lasting, in that it persists after washout of the agonist. Here, we show that persistent AHP suppression differs from short-term, ...
We have observed back-bending structures at high bias current in the current-voltage curves of intrinsic Josephson junctions. These structures may be caused by nonequilibrium quasiparticle injection and/or Joule heating. The energy gap suppression varies considerably with temperature. Different levels of the suppression are observed when the same level of current passes through top electrodes o...
Introduction: Multiple myeloma (MM) is typically presented with abundant monoclonal secretion of one type of immunoglobulin. The other classes of immunoglobulins, which are uninvolved and not secreted by malignant plasma cells, could be decreased. A number of previous studies reported the effect of suppression of uninvolved immunoglobulins on the outcome of patients with myeloma. However, its e...
Suppression of seed germination at supraoptimal high temperature (thermoinhibiton) during summer is crucial for Arabidopsis (Arabidopsis thaliana) to establish vegetative and reproductive growth in appropriate seasons. Abscisic acid (ABA) and gibberellins (GAs) are well known to be involved in germination control, but it remains unknown how these hormone actions (metabolism and responsiveness) ...
We perform time- and angle-resolved photoemission spectroscopy of a prototypical topological insulator (TI) Bi(2)Se(3) to study the ultrafast dynamics of surface and bulk electrons after photoexcitation. By analyzing the evolution of surface states and bulk band spectra, we obtain their electronic temperature and chemical potential relaxation dynamics separately. These dynamics reveal strong ph...
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