نتایج جستجو برای: pd membranes
تعداد نتایج: 151295 فیلتر نتایج به سال:
The permeability of lecithin bilayer membranes to nonelectrolytes is in reasonable agreement with Overton's rule. The is, Pd alpha DKhc, where/Pd is the permeability coefficient of a solute through the bilayer, Khc is its hydrocarbon:water partition coefficient, and D is its diffusion coefficient in bulk hydrocarbon. The partition coefficients are by far the major determinants of the relative m...
Programmed death-1 receptor (PD-1) and its ligand (PD-L1) play an integral role in regulating the immune response against cancer. This study investigated the prognostic significance of PD-L1 expression on tumor cells and tumor-infiltrating immune cells (TILs) in the tumor microenvironment in Chinese patients with esophageal squamous cell carcinoma (ESCC). Archival formalin-fixed, paraffin-embed...
Abstract The functioning of hydrogen selective metal membranes relies on the fine‐tuned interaction their surfaces with inner bulk. link between permeation and surface concentration is unveiled using a novel combination thin film preparation science analysis to probe intentionally modify properties palladium vanadium composite membranes. in situ allows for observation ultra‐clean hydrogenation ...
Experimental evidence indicates a significant role of oxidative stress in the pathogenesis of idiopathic Parkinson’s disease (PD). However, some studies report no decrease in common antioxidants in blood plasma as a marker of oxidative stress (1). The aim of this study was to estimate plasmalogen levels in blood plasma samples of patients with PD, a group of 1-alkenyl-2-acyl-sn-glycero-3-phosph...
within the reference range in patients with renal failure [6] . However, the role of OG and serum osmolality in this condition was not established very well. The aim of this study is to determine the serum OG and osmolality in children with various stages of CRF and the effect of dialysis modalities on these parameters. We also investigated the possible relationship among the changes of OG and ...
Advanced glycation end products (AGE), growth factors, and nitric oxide contribute to alterations of the peritoneum during peritoneal dialysis (PD). These mediators are also involved in chronic uremia, a condition associated with increased permeability of serosal membranes. It is unknown whether chronic uremia per se modifies the peritoneum before PD initiation. A rat model of subtotal nephrect...
In the healthy brain, less than 5% of α-synuclein (α-syn) is phosphorylated at serine 129 (Ser(P)-129). However, within Parkinson disease (PD) Lewy bodies, 89% of α-syn is Ser(P)-129. The effects of Ser(P)-129 modification on α-syn distribution and solubility are poorly understood. As α-syn normally exists in both membrane-bound and cytosolic compartments, we examined the binding and dissociati...
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