نتایج جستجو برای: chloride symporters
تعداد نتایج: 89553 فیلتر نتایج به سال:
Regulation of transport of D-glucose and D-fructose was studied in Kluyveromyces marxianus grown in continuous culture. Both substrates could be transported by at least two different transport systems, low-affinity transport and high-affinity proton-sugar symport. The low-affinity transporter, specific for both glucose and fructose, was constitutively present and was apparently not regulated by...
Absorption and secretion of ions in gastrointestinal and other epithelial tissues require the concerted activities of ion pumps, channels, symporters, and exchangers, which operate in coupled systems to mediate transepithelial transport. Our understanding of the identities, membrane locations, and biochemical activities of epithelial ion transporters has advanced significantly in recent years, ...
Results of resonance searches in the Xi(-)pi(-), Xi(-)pi(+), Xi;(+)pi(-), and Xi;(+)pi(+) invariant mass spectra in proton-proton collisions at sqrt[s]=17.2 GeV are presented. Evidence is shown for the existence of a narrow Xi(-)pi(-) baryon resonance with mass of 1.862+/-0.002 GeV/c(2) and width below the detector resolution of about 0.018 GeV/c(2). The significance is estimated to be above 4....
Interaction of a frequency-chirped laser pulse with single protons and a hydrogen gas target is studied analytically and by means of particle-in-cell simulations, respectively. The feasibility of generating ultraintense (10(7) particles per bunch) and phase-space collimated beams of protons (energy spread of about 1%) is demonstrated. Phase synchronization of the protons and the laser field, gu...
در بخش اول این کار تحقیقاتی بطری های نوشابه از جنس پلی(اتیلن ترفتالات) (pet) با روش گلیکولیز توسط اتیلن گلیکول(eg) و در حضور کاتالیزورهای زیست سازگارزیرکونیل کلرید(zirconyl chloride)(zrocl2)، بیسموتکلرید(bismuth chloride)(bicl3)و سدیم کربنات(sodium carbonate)((na2co3به منظور تولید بیس(2-هیدروکسی اتیل ترفتالات) (bhet) مورد مطالعه قرار گرفتند. تحت شرایط عملیاتی متفاوت از قبیل دما( ?c 198-185)، زم...
chemical pollutants presence in water may induce severe ecological consequences and consequently affecting aquatic ecosystems integrity. heavy metals are dangerous pollutants for aquatic inhabitants that have a great stability. heavy metals contamination (pollution) of the surface waters happens widely by discharge of mill effluents. the objective of the present study was to determine the 50% l...
In this paper, we present a strategy for the (1)H(N) resonance assignment in solid-state magic-angle spinning (MAS) NMR, using the alpha-spectrin SH3 domain as an example. A novel 3D triple resonance experiment is presented that yields intraresidue H(N)-N-C(alpha) correlations, which was essential for the proton assignment. For the observable residues, 52 out of the 54 amide proton resonances w...
I summarize the theoretical and experimental status of multijet production in DIS. I present the state of the art theoretical predictions and compare those to the corresponding experimental results obtained by analysing the data collected by the H1 and ZEUS collaborations at HERA. I also show new predictions for three-jet event-shape distributions at the NLO accuracy.
The CDF and D0 experiments at the Fermilab Tevatron have measured the asymmetry between yields of forward- and backward-produced top and antitop quarks based on their rapidity difference and the asymmetry between their decay leptons. These measurements use the full data sets collected in proton-antiproton collisions at a center-of-mass energy of sqrt[s]=1.96 TeV. We report the results of combi...
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