نتایج جستجو برای: yb 175
تعداد نتایج: 18298 فیلتر نتایج به سال:
A detailed study of sandstones recovered from the upper part recently discovered KL-01 magmatic pipe in southern Arkhangelsk diamondiferous province (ADP), containing material and rare kimberlite indicator minerals, is presented this paper. Results are compared to composition crater samples highly Vladimir Grib several poorly non-diamondiferous ADP pipes. To identify type admixture, a model bin...
A total of two hundred and thirteen (213) bacterial isolates were obtained gastrointestinal, urogenital and urinary tract specimens Specialist Hospital and Decent Laboratory in Kofar M The isolates were screened for the production of β method. β-lactamase production w lactamase production among Gram negative and G found to be 141(70.15%) and 5 (41.67%) respectively Haemophilus spp. 1(100%), Sal...
We describe a method, DNA array to protein array (DAPA), which allows the ‘printing’ of replicate protein arrays directly from a DNA array template using cell-free protein synthesis. At least 20 copies of a protein array can be obtained from a single DNA array. DAPA eliminates the need for separate protein expression, purification and spotting, and also overcomes the problem of long-term functi...
Interleukin 17 (IL-17) is a cytokine associated with inflammation, autoimmunity and defense against some bacteria. Here we show that IL-17 can promote autoimmune disease through a mechanism distinct from its proinflammatory effects. As compared with wild-type mice, autoimmune BXD2 mice express more IL-17 and show spontaneous development of germinal centers (GCs) before they increase production ...
Tb-Yb co-doped NaYF4 nanoparticles (NPs) are prepared by sintering the assynthesized NaYF4:Tb, Yb NPs at 380°C under air atmosphere. The oxidization of Tb ions to Tb ions in NaYF4 NPs after sintering is demonstrated through X-ray photoelectron spectroscopy (XPS). The near-infrared (NIR) downconversion (DC) luminescence of TbYb couple is measured and investigated for the first time. The results ...
Resistance to chemotherapy is responsible for a failure of current treatment regimens in cancer patients. We have reported previously that the Y-box protein YB-1 regulates expression of the P-glycoprotein gene mdr1, which plays a major role in the development of a multidrug resistant-tumor phenotype. YB-1 predicts drug resistance and patient outcome in breast cancer. Thus, YB-1 is a promising t...
Multidrug resistance (MDR) to chemotherapeutic agents is a major obstacle to successful treatment in breast cancer patients. The aims of this study were to investigate whether miR-137 was involved in the regulation of MDR, and to explore the mechanism of miR-137 on the sensitivity of MCF-7/ADM cells. miR-137 was downregulated in MCF-7/ADM cells, and its expression was found to inversely correla...
Thin films of amorphous aluminum oxide (a-Al2O3) codoped with Er 31 and Yb ions have been in-depth nanostructured by distributing the rate earth ~RE! ions in layers separated in the 0–3 nm range. The Yb to Er concentration ratio is varied from 0 to 3.6. The photoluminescence ~PL! response at 1.53 mm exhibits an increase of up to two orders of magnitude with respect to that of films doped only w...
Our experiments demonstrate that alloying the cubic-phase $\mathrm{Yb}\mathrm{N}$ into wurtzite-phase $\mathrm{Al}\mathrm{N}$ results in clear mechanical softening and enhanced electromechanical coupling of $\mathrm{Al}\mathrm{N}$. First-principle calculations reproduce experimental well, predict a maximum 270% increase coefficient caused by (1) an piezoelectric response induced local strain $\...
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