نتایج جستجو برای: opc
تعداد نتایج: 2027 فیلتر نتایج به سال:
Previous studies of differential gene expression in sleep and wake pooled transcripts from all brain cells and showed that several genes expressed at higher levels during sleep are involved in the synthesis/maintenance of membranes in general and of myelin in particular, a surprising finding given the reported slow turnover of many myelin components. Other studies showed that oligodendrocyte pr...
The in vitro antibacterial activity of OPC-17116, a new fluoroquinolone, against a wide variety of clinical isolates was evaluated and compared with those of ciprofloxacin, ofloxacin, and norfloxacin. OPC-17116 showed potent broad-spectrum activity against gram-positive and -negative bacteria. The activity of this compound against gram-positive bacteria was higher than those of other quinolones...
BACKGROUND The majority of human papillomavirus (HPV)-related oropharyngeal carcinomas (OPCs) are associated with HPV genotype 16; however, OPC can be associated with other high-risk non-HPV16 genotypes. METHODS This was a retrospective analysis of patients with high-risk non-HPV16 OPC treated at a single tertiary institution. Sociodemographic and clinical information was obtained by chart re...
An important step in today’s Integrated Circuit (IC) manufacturing is optical proximity correction (OPC). In model based OPC, masks are systematically modified to compensate for the non-ideal optical and process effects of optical lithography system. The polygons in the layout are fragmented, and simulations are performed to determine the image intensity pattern on the wafer. Then the mask is p...
Differences in neuroepithelial patterning and neurogenesis modes contribute to area-specific diversifications of neural circuits. In the Drosophila visual system, two neuroepithelia, the outer (OPC) and inner (IPC) proliferation centers, generate neuron subtypes for four ganglia in several ways. Whereas neuroepithelial cells in the medial OPC directly convert into neuroblasts, in an IPC subdoma...
OPC-18790 is a positive inotropic and vasodilating agent that increases intracellular cyclic AMP and stimulates Ca currents. We examined its direct electrophysiological effects in isolated blood-perfused canine cardiac preparations. OPC-18790 caused an acceleration of the intraventricular conduction in association with an increase of the contractile force and the coronary blood flow. We also ex...
The light scattering effects of turbid media causing opacity may be undone via Optical Phase Conjugation (OPC). Here we rigorously simulate light scattering through a macroscopic random using the pseudospectral time-domain (PSTD) technique. The OPC phenomenon of multiply scattered light can be quantitatively analyzed which is not feasible otherwise. Specifically, factors affecting the electroma...
Fabrication of fine features of smaller 0.15um is vital for future ultra-large scale integrated (ULSI) devices. An area of particular concern is whether and how optical lithography can delineate such feature sizes, i.e., smaller than the exposure wavelength. Resolution enhancement techniques for achieving subwavelength optical lithography are presented. Various types of phase shift mask (PSM) t...
OPC-51803 is the first nonpeptide vasopressin (AVP) V(2)-receptor-selective agonist. Its pharmacological profile, including antidiuretic action and receptor binding, was characterized using conscious Brattleboro rats with hereditary diabetes insipidus and Sprague-Dawley rats. In membrane preparations from the liver and kidney, OPC-51803 displaced the [(3)H]AVP binding to V(2)-receptors (K(i) = ...
Sexual transmission of human papillomavirus (HPV), particularly HPV16, has been associated with an increasing incidence of oropharyngeal squamous cell carcinoma (OPC). Telomere shortening results in chromosomal instability, subsequently leading to cancer development. Given that HPV16 can affect telomerase activity and telomere length, we conjectured that telomere length in peripheral blood lymp...
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