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Showing 1-28 of 28 results for "472360" within Papers
Luyi De Prada et al.
American journal of kidney diseases : the official journal of the National Kidney Foundation, 61(1), 131-133 (2012-10-23)
Much progress has been made in the biocompatibility of hemodialysis membranes with the development of synthetic membranes. However, despite better biocompatibility, thrombocytopenia has been observed in patients who are dialyzed with various polysulfone membranes. Recent publications have attributed this phenomenon
Eugenia Villaverde-de-Sáa et al.
Analytica chimica acta, 740, 50-57 (2012-07-31)
A method for the determination of seven perfluorinated carboxylic acids and perfluorooctane sulphonate (PFOS) in aqueous samples using low-cost polymeric sorptive extraction as sample preparation technique, followed by liquid chromatography-tandem mass spectrometry (LC-MS/MS) determination has been developed and validated. Simplicity
Jingchuan Dang et al.
Water science and technology : a journal of the International Association on Water Pollution Research, 66(4), 799-803 (2012-07-07)
In this study, a three-bore polyethersulfone (PES) hollow fiber ultrafiltration (UF) membrane with antibacterial properties was prepared by phase inversion, using PES as the membrane material, N,N-dimethylacetamide (DMAC) as solvent, polyvinylpyrrolidone (PVP) and CuCl(2) as additives. The effect of CuCl(2)
Zhensheng Mai et al.
ChemSusChem, 6(2), 328-335 (2013-01-24)
Anion exchange membranes prepared from quaternized poly(tetramethyl diphenyl ether sulfone) (QAPES) were first investigated in the context of vanadium flow battery (VFB) applications. The membranes showed an impressive suppression effect on vanadium ions. The recorded vanadium permeability was 0.02×10(-7)-0.09×10(-7) cm(2)
Dongsheng Wang et al.
Langmuir : the ACS journal of surfaces and colloids, 28(37), 13284-13293 (2012-08-17)
In the present study, photoresponsive surface molecularly imprinted poly(ether sulfone) microfibers are prepared via nitration reaction, the wet-spinning technique, surface nitro reduction reaction, and surface diazotation reaction for the selectively photoregulated uptake and release of 4-hydrobenzoic acid. The prepared molecularly
Yifeng Chen et al.
Water science and technology : a journal of the International Association on Water Pollution Research, 67(7), 1519-1524 (2013-04-05)
In this study, a three-bore polyethersulfone (PES) hollow fiber ultrafiltration (UF) membrane with antibacterial properties was prepared by phase inversion, using PES as the membrane material, N,N-dimethylacetamide (DMAC) as solvent, polyvinylpyrrolidone (PVP) and AgNO3 as additives. The silver particles were
Etiënne L M Vermeirssen et al.
Environmental science & technology, 46(12), 6759-6766 (2012-05-19)
Passive samplers for polar organic compounds often use a polyethersulfone (PES) membrane to retain the particulate sorbent material (e.g., in a POCIS; polar organic chemical integrative sampler) or to reduce the sampling rate and thus extend the kinetic regime (e.g.
Min Tang et al.
Journal of colloid and interface science, 386(1), 428-440 (2012-08-23)
Sulfonated polyethersulfone (SPES) and poly (acrylonitrile-co-acrylic acid-co-vinyl pyrrolidone) (P(AN-AA-VP)), which provided sulfonic acid (-SO(3)H) and carboxylic acid groups (-COOH), respectively, were used to modify polyethersulfone (PES) membrane with a heparin-like surface by blending method. The SPES was prepared by sulfonation
Mingjun Hu et al.
Langmuir : the ACS journal of surfaces and colloids, 28(18), 7101-7106 (2012-04-27)
We have developed a kind of high-yield synthesis strategy for silver nanowires by a two-step injection polyol method. Silver nanowires and polyethylene oxide (PEO) (M(w) = 900,000) were prepared in a homogeneous-coating ink. Wet composite films with different thicknesses were
Shogo Takamuku et al.
ChemSusChem, 6(2), 308-319 (2013-01-12)
The morphologies and proton-transport efficiencies of segmented copoly(arylene ether sulfone) ionomers that contain tetrasulfonated sequences are compared with the corresponding copolymers with disulfonated sequences. Tetrasulfonated 4,4'-bis[(4-chlorophenyl)sulfonyl]-1,1'-biphenyl (sBCPSBP) is synthesized by metalation and sulfination. This new monomer is then used in
Daniel Schneditz et al.
Clinical hemorheology and microcirculation, 58(3), 455-469 (2013-11-21)
It was the aim to examine the fluid flow in blood and dialysate compartments of highly permeable hollow fiber dialyzers where internal filtration contributes to solute removal but where excessive filtration bears a risk of cell activation and damage. Flow
Mario Bonomini et al.
Therapeutics and clinical risk management, 14, 1-9 (2018-01-04)
The success and the quality of hemodialysis therapy are mainly related to both clearance and biocompatibility properties of the artificial membrane packed in the hemodialyzer. Performance of a membrane is strongly influenced by its interaction with the plasma protein repertoire
Shichang Zhang et al.
Journal of materials science. Materials in medicine, 23(8), 2001-2011 (2012-05-16)
A bioartificial liver bioreactor requires a bifunctional hollow fiber that is hemocompatible on one side and cytocompatible on the other side. In this study, we developed a single-layer skin polyethersulfone (PES) hollow fiber with smooth inner surface and rough/porous outer
Tao Xiang et al.
Colloids and surfaces. B, Biointerfaces, 110, 15-21 (2013-05-23)
Surface-initiated atom transfer radical polymerization (SI-ATRP) was used to tailor the functionality of polyethersulfone (PES) membranes. A two-step method including nitration reaction and amination reaction was used to synthesize aminated polyethersulfone (PES-NH2) for the preparation of PES/PES-NH2 membranes. Covalently tethered
Laure Patrier et al.
Journal of nephrology, 26(2), 342-349 (2012-05-11)
Reducing circulating levels of fibroblast growth factor-23 (FGF-23) in patients on renal replacement therapy (RRT) could appear as an appealing approach for cardiovascular events prevention. The purpose of our study was to compare the clearance of FGF-23 between high flux
Shengqiang Nie et al.
Colloids and surfaces. B, Biointerfaces, 100, 116-125 (2012-07-06)
In this study, a novel triblock copolymer of poly (styrene-co-acrylic acid)-b-poly (vinyl pyrrolidone)-b-poly(styrene-co-acrylic acid) (P(St-co-AA)-b-PVP-b-P(St-co-AA)) is synthesized via reversible addition-fragmentation chain transfer (RAFT) polymerization, and used for the modification of blood contacting surface of polyethersulfone (PES) membrane to improve blood
Wenhong Zhu et al.
Journal of visualized experiments : JoVE, (66)(66), e4108-e4108 (2012-08-17)
Although human saliva proteome and peptidome have been revealed they were majorly identified from tryptic digests of saliva proteins. Identification of indigenous peptidome of human saliva without prior digestion with exogenous enzymes becomes imperative, since native peptides in human saliva
Honglei Zhang et al.
Bioresource technology, 112, 28-33 (2012-03-20)
Hybrid catalytic membranes consisting of cation ion-exchange resin particles (CERP) and polyethersulfone (PES) were prepared by immersion phase inversion and used as heterogeneous catalysts for the esterification of acidified oil with methanol, ethanol, propanol and butanol. The membranes were characterized
Osamu Morinaga et al.
Phytochemical analysis : PCA, 24(2), 124-128 (2012-07-12)
Paeoniae radix is one of the most important crude drugs used in Kampo medicines (KMs). A part of its pharmaceutical properties is due to the presence of paeoniflorin (PF) and albiflorin (AF). For the specific and easy identification of PF
Ailette Prieto et al.
Analytica chimica acta, 716, 119-127 (2012-01-31)
The capabilities of four commercially available and low cost polymeric materials for the extraction of polar and non-polar contaminants (logK(ow)=-0.07-6.88, from caffeine to octocrylene, respectively) from water samples was compared. Tested sorbents were polyethersulphone, polypropylene and Kevlar, compared to polydimethylsiloxane
Isaac Desheng Liu et al.
Pediatric nephrology (Berlin, Germany), 28(5), 819-822 (2013-01-12)
Initiating continuous renal replacement therapy (CRRT) in infants exposes them to the dual hemodynamic challenges of high circuit extracorporeal volumes and potential membrane reactions, in the case of acrylonitrile AN69 membranes. The use of the new Prismaflex HF20 membrane in
Detlef H Krieter et al.
Artificial organs, 37(3), 283-290 (2012-11-14)
The estrogenic endocrine-disrupting substance bisphenol A (BPA) is extensively used as a starting material for a variety of consumer plastic products including dialyzer materials. The present study was performed to explore plasma BPA levels in patients with impaired renal function
Jianfeng Song et al.
Water research, 47(6), 2065-2074 (2013-02-13)
A high performance versatile composite hollow fiber nanofiltration (NF) membrane is reported for the separation of glyphosate from saline waste streams. Preparation of SPEEK based on an amorphous poly (ether ether ketone, PEEK) was investigated. The membrane was prepared by
Norhan Nady et al.
Journal of colloid and interface science, 378(1), 191-200 (2012-05-09)
Poly(ethersulfone) (PES) can be modified in a flexible manner using mild, environmentally benign components such as 4-hydroxybenzoic acid and gallic acid, which can be attached to the surface via catalysis by the enzyme laccase. This leads to grafting of mostly
Honglei Zhang et al.
Bioresource technology, 123, 72-77 (2012-09-04)
The traditional heating and microwave assisted method for biodiesel production using cation ion-exchange resin particles (CERP)/PES catalytic membrane were comparatively studied to achieve economic and effective method for utilization of free fatty acids (FFAs) from waste cooking oil (WCO). The
Jozef Kochan et al.
Water research, 46(16), 5401-5409 (2012-08-14)
Membranes with antibacterial properties were developed using surface modification of polyethersulfone ultrafiltration membranes. Three different modification strategies using polyelectrolyte layer-by-layer (LbL) technique are described. The first strategy relying on the intrinsic antibacterial properties of poly(diallyldimethylammonium chloride) (PDADMAC) and poly(ethylenimine) (PEI)
Manying Zhang et al.
Water research, 46(7), 2077-2087 (2012-02-15)
Biofouling is a major problem for the application of membrane technology in water and wastewater treatment. One of the practical strategies to decrease biofouling is the use of advanced anti-biofouling membrane material. In this study, different amounts of biogenic silver
Jens Hartmann et al.
The International journal of artificial organs, 35(5), 352-359 (2012-04-03)
In extracorporeal blood purification, citrate anticoagulation offers several substantial advantages over conventional heparin anticoagulation. However, there is still a lack of information on citrate kinetics, especially on the citrate clearance of conventional hemodialyzers. The aim of this study was to
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