نتایج جستجو برای: dynamic permeability
تعداد نتایج: 454542 فیلتر نتایج به سال:
OBJECTIVE The purpose of this study was to correlate permeability parameters measured with dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) using a clinical 3-tesla scanner with extravasation of Evans blue in a rat model with transient cerebral ischemia. MATERIALS AND METHODS Sprague-Dawley rats (n = 13) with transient middle cerebral artery occlusion were imaged using a 3-tesla...
Dysregulated angiogenesis and high tumor vasculature permeability, two vascular endothelial growth factor (VEGF)-mediated processes and hallmarks of human tumors, are in part phosphatidylinositol 3-kinase (PI3K) dependent. NVP-BEZ235, a dual PI3K/mammalian target of rapamycin (mTOR) inhibitor, was found to potently inhibit VEGF-induced cell proliferation and survival in vitro and VEGF-induced a...
Surface active components, salt component, and polar molecules in the fluid may adsorb on solid surface form boundary layer during low-speed flow a porous medium, which will influence flowing law medium. Previous studies low-permeability reservoirs mainly focus effects of threshold pressure gradient. But few them have considered time-varying effect thickness solving numerical simulation. The co...
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