نتایج جستجو برای: fluid filtration

تعداد نتایج: 256376  

Journal: :The Journal of clinical investigation 2015
Jun-Jae Chung Tobias B Huber Markus Gödel George Jarad Björn Hartleben Christopher Kwoh Alexander Keil Aleksey Karpitskiy Jiancheng Hu Christine J Huh Marina Cella Richard W Gross Jeffrey H Miner Andrey S Shaw

Podocytes are specialized epithelial cells in the kidney glomerulus that play important structural and functional roles in maintaining the filtration barrier. Nephrotic syndrome results from a breakdown of the kidney filtration barrier and is associated with proteinuria, hyperlipidemia, and edema. Additionally, podocytes undergo changes in morphology and internalize plasma proteins in response ...

Journal: :Journal of Advanced Research in Fluid Mechanics and Thermal Sciences 2022

Due to the general confusion over mask's efficiency against COVID-19 virus droplets, professionals and public may find it difficult stop disease from spreading. This study intends investigate fluid flow across N95 filtration layer based on experimental data create a simulation model analysis. Therefore, is simulated using ANSYS Fluent, part of Computational Fluid Dynamics (CFD) solver software....

2014
Lilya Ghazaryan

In this chapter we present a new method for simulating the motion of a disperse particle phase in a carrier gas through porous media. We assume a sufficiently dilute particle-laden flow and compute, independently of the disperse phase, the steady laminar fluid velocity using the Immersed Boundary (IB) method. Given the velocity of the carrier gas, the equations of motion for the particles exper...

Journal: :The Journal of rheumatology 2007
Liping Yu Jian Wang James R O'Dell James Oates William P Arend George S Eisenbarth

OBJECTIVE To evaluate whether a new fluid-phase filtration radioassay possesses both high sensitivity and specificity compared with the currently used ELISA and Farr assays. METHODS Sequential sera (25 samples) from 9 patients with systemic lupus erythematosus (SLE), sera from 20 patients with SLE possessing anti-dsDNA antibodies by the Crithidia assay, 75 patients with rheumatoid arthritis p...

Golbarg Kolahi Ahari, Mohammad Tajedin , Mohammad Ali Mozayeni , Omid Dianat , Soheila Darmiani , Yazdan Shantiaee ,

Objectives: Different chelators may be used during root canal treatment, offering various advantages including lubricant effect inside the canal and smear layer removal. However, chelator residues in narrow root canals can lead to apical microleakage. The aim of this in-vitro study was to compare apical microleakage following the use of three root canal chelators via fluid filtration method in ...

Journal: :Glycobiology 1998
J J van Rooijen U Jeschke J P Kamerling J F Vliegenthart

Transferrin, a glycoprotein involved in iron transport in body fluids, was isolated from amniotic fluid of a hydramniospatient by sequential anion-exchange chromatography and gel filtration. The N-glycans of human amniotic fluid transferrin (hAFT) were enzymatically liberated by PNGase-F digestion, isolated by gel filtration and fractionated by (high-pH) anion-exchange chromatography. After alk...

2015
Yuan Wang Xuefei Liu Jing Guan David Waite Greg Leslie

A three-dimensional Computational Fluid Dynamics model, coupled with sludge rheology models to account for the behaviour of mixed liquor and porous media models to represent the resistance of membranes to the fluid field, was developed and used in estimating shear stress in the filtration zone of membrane bioreactors. The influence of a suite of factors on shear stress including aerator positio...

Journal: :Journal of clinical microbiology 2009
Romano Mattei Arnaldo Savarino Marco Fabbri Sara Moneta Enrico Tortoli

The definitive diagnosis of extrapulmonary tuberculosis is made by a positive body fluid culture result. Conventional culture methods require centrifugation or filtration of body fluid (peritoneal, pleural, synovial, or pericardial fluid) in order to improve the sensitivity. The aim of the present study was to evaluate the feasibility of the direct inoculation, at the patient's bedside, of up t...

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