PubMed Journals Articles About "American Membrane Corporation" RSS

11:50 EDT 18th March 2018 | BioPortfolio

American Membrane Corporation PubMed articles on BioPortfolio. Our PubMed references draw on over 21 million records from the medical literature. Here you can see the latest American Membrane Corporation articles that have been published worldwide.

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Showing "American Membrane Corporation" PubMed Articles 1–25 of 16,000+

The Evolution of Extracorporeal Membrane Oxygenation for Adult Respiratory Failure.

The use of extracorporeal membrane oxygenation to support patients with cardiac and respiratory failure has increased substantially in the last decade. Although the evidence base for its use in adults with respiratory failure is growing, many questions remain to be answered. Ongoing research is aimed at clarifying the role of extracorporeal membrane oxygenation, as well as extracorporeal carbon dioxide removal, in various forms of hypoxemic and hypercapnic respiratory failure, and at defining the optimal te...

Membrane-Ion Interactions.

Biomembranes assemble and operate at the interface with electrolyte solutions. Interactions between ions in solutions and the lipid affect the membrane structure, dynamics and electrostatic potential. In this article, I review some of the experimental and computational methods that are used to study membrane-ions interactions. Experimental methods that account for membrane-ion interactions directly and indirectly are presented first. Then, studies in which molecular dynamics simulations were used to gain an...

Immunoprecipitation of Membrane Proteins from Arabidopsis thaliana Root Tissue.

Here, we present different methods for immunoprecipitating membrane proteins of Arabidopsis thaliana root material. We describe two extraction methods for the precipitation either for an integral membrane protein of the endoplasmic reticulum (ER) or a peripheral membrane protein partially localized at the plasma membrane, where we precipitate the protein out of the total membrane as well as total cytosolic fractions.

Does Extracorporeal Membrane Oxygenation Improve Survival in Pediatric Acute Respiratory Failure?

Extracorporeal membrane oxygenation (ECMO) has supported gas exchange in children with severe respiratory failure for over 40 years without ECMO efficacy studies.

Impact of Sex, Age, and Season on Sinus Membrane Thickness.

Sinus membrane thickness has been associated with the incidence of membrane perforation during the sinus elevation procedure. Understanding the sinus membrane thickness is essential for prevention of this specific surgical complication. Therefore, the aim of this retrospective study was to investigate the impact of sex, age, and season on the membrane thickness.

High-flux ultrafiltration membrane based on electrospun polyacrylonitrile nanofibrous scaffolds for arsenate removal from aqueous solutions.

Arsenic contamination in drinking water is a serious problem worldwide. In this study, to remove arsenate from contaminated water, a new thin-film composite (TFC) membrane was fabricated and tested. This membrane was composed of an electrospun nanofibrous scaffold, a polyethylene terephthalate (PET) substrate as support, and a polyacrylonitrile (PAN) coating layer. To effectively reject arsenate ions, cetylpyridinium chloride (CPC) pretreatment was used. For evaluating the performance of TFC membrane, its f...

Differences in OCT Assessment of Bruch Membrane Opening Compared to Stereoscopic Photography for Estimating Cup-to-Disc Ratio.

To compare the vertical and horizontal cup-to-disc ratio (VCDR, HCDR) by an updated optical coherence tomography (OCT) Bruch's membrane opening (BMO) algorithm and stereoscopic optic disc photograph readings by glaucoma specialists.

Surface pattern by nanoimprint for membrane fouling mitigation: Design, performance and mechanisms.

Imparting water treatment membrane with surface pattern by nanoimprint offered a novel approach to fouling resistance. We employed nanoimprint to fabricate line-shape nanostructure on membrane distillation (MD) membrane surface. Patterned MD membrane exhibited strong antifouling property to Bovine Serum Albumin (BSA) protein during MD separation. Water flux decline and protein deposition were substantially minimized on the patterned MD membrane in comparison with the pristine one. Such lower fouling propens...

One Ring, Two Membranes: IM30 Ring Complex and the Thylakoid Membrane Fusion.

Direct membrane fusion in chloroplasts and cyanobacteria is triggered by IM30 protein oligomers, but so far the exact mechanism of membrane binding has remained obscure. In this issue of Structure, Saur et al. (2017) describe the detailed structure of Janus-faced IM30 rings crucial for thylakoid membrane fusion and membrane layer architecture.

In-situ split liver splitting under extra-corporeal membrane oxygenation in brain-dead donor.

Hemodynamic instability is generally considered as a contraindication to liver splitting, in particular when using an in-situ technique. We describe the cases of two young donors with brain death in whom refractory cardiac arrest and hemodynamic instability were supported by veno-arterial extracorporeal membrane oxygenation (VA-ECMO), allowing uneventful in situ splitting. Two adult and two pediatric liver recipients were successfully transplanted with immediate graft function. Favorable outcomes were also ...

Bleeding Complications and Mortality in Neonates Receiving Therapeutic Hypothermia and Extracorporeal Membrane Oxygenation.

Membrane fouling mechanism of biofilm-membrane bioreactor (BF-MBR): Pore blocking model and membrane cleaning.

Biofilm membrane bioreactor (BF-MBR) is considered as an important wastewater treatment technology that incorporates advantages of both biofilm and MBR process, as well as can alleviate membrane fouling, with respect to the conventional activated sludge MBR. But, to be efficient, it necessitates the establishment of proper methods for the assessment of membrane fouling. Four Hermia membrane blocking models were adopted to quantify and evaluate the membrane fouling of BF-MBR. The experiments were conducted w...

Bleeding and Thrombosis in Pediatric Extracorporeal Membrane Oxygenation. Can We Improve Anticoagulation Strategies?

Effectiveness of IHD with Adsorptive PMMA Membrane in Myeloma Cast Nephropathy: A Cohort Study.

In patients with cast nephropathy and acute kidney injury (AKI) requiring dialysis, the reduction of serum free light chains (FLC) using chemotherapy and intensive hemodialysis (IHD) with a high cut-off filter may improve renal and patient outcomes. We evaluated the effectiveness of a combination of chemotherapy and IHD with an adsorbent polymethylmethacrylate membrane (IHD-PMMA) on renal recovery and survival.

Autophagy in the context of the cellular membrane-trafficking system: the enigma of Atg9 vesicles.

Macroautophagy is an intracellular degradation system that involves the de novo formation of membrane structures called autophagosomes, although the detailed process by which membrane lipids are supplied during autophagosome formation is yet to be elucidated. Macroautophagy is thought to be associated with canonical membrane trafficking, but several mechanistic details are still missing. In this review, the current understanding and potential mechanisms by which membrane trafficking participates in macroaut...

Optimization of membrane unit location in a full-scale membrane bioreactor using computational fluid dynamics.

The location of membrane units in the membrane tank is a key factor in the construction of a full-scale membrane bioreactor (MBR), as it would greatly affect the hydrodynamics in the tank, which could in turn affect the membrane fouling rate while running. Yet, in most cases, these units were empirically installed in tanks, no theory guides were currently available for the design of a proper location. In this study, the hydrodynamics in the membrane tank of a full-scale MBR was simulated using computational...

Influence of nanoparticles on filterability of fruit-juice industry wastewater using submerged membrane bioreactor.

In this study, polyethersulfone (PES) ultrafiltration membrane surface was modified with nano-sized zinc oxide (nZnO) and silver (nAg) to improve the membrane filterability of the mixed liquor and used to treat fruit-juice industry wastewater in a submerged membrane bioreactor (MBR). The nAg was synthesized using three different methods. In the first method, named as nAg-M1, PES membrane was placed on the membrane module and nAg solution was passed through the membrane for 24 h at 25 ± 1 °C. In the second...

Regulation of Kv7.2/Kv7.3 channels by cholesterol: Relevance of an optimum plasma membrane cholesterol content.

Kv7.2/Kv7.3 channels are the molecular correlate of the M-current, which stabilizes the membrane potential and controls neuronal excitability. Previous studies have shown the relevance of plasma membrane lipids on both M-currents and Kv7.2/Kv7.3 channels. Here, we report the sensitive modulation of Kv7.2/Kv7.3 channels by membrane cholesterol level. Kv7.2/Kv7.3 channels transiently expressed in HEK-293 cells were significantly inhibited by decreasing the cholesterol level in the plasma membrane by three dif...

Getting to Transplantation.

Candidates for lung transplantation (LTX) are increasingly critically-ill at the time of transplantation, and as such more often require invasive support strategies to bridge to transplant (1). Traditionally, this required invasive Mechanical Ventilation (iMV), and today more frequently includes the use of Extra-Corporeal Membrane Oxygenation (ECMO) to achieve adequate gas exchange. While there has been concern regarding futility of transplantation in such critically-ill cohorts due to early experience, pos...

An Optimal Partial Ossicular Prosthesis Should Connect Both to the Tympanic Membrane and Malleus: a Temporal Bone Study Using Laser Doppler Vibrometry.

To compare stapes vibrations in different partial ossicular replacement prosthesis (PORP) applications.

Membrane Repair Assay for Human Skeletal Muscle Cells.

The characterization of the membrane repair machinery in human skeletal muscle has become crucial, since it has been shown that some muscular dystrophies result from a defect of this fundamental physiological process. Deciphering membrane repair mechanism requires the development of methodologies allowing studying the response of skeletal muscle cells to sarcolemma damage and identifying candidate proteins playing a role in the membrane repair machinery. Here, we describe a protocol that is based on the cre...

Membrane order in the plasma membrane and endocytic recycling compartment.

The cholesterol content of membranes plays an important role in organizing membranes for signal transduction and protein trafficking as well as in modulating the biophysical properties of membranes. While the properties of model or isolated membranes have been extensively studied, there has been little evaluation of internal membranes in living cells. Here, we use a Nile Red based probe, NR12S, and ratiometric live cell imaging, to analyze the membrane order of the plasma membrane and endocytic recycling co...

Determination of Hydrophobic Lengths of Membrane Proteins with the HDGB Implicit Membrane Model.

A protocol for predicting the hydrophobic length of membrane proteins using the heterogeneous dielectric generalized Born (HDGB) implicit membrane model is presented. The method involves optimal positioning in the membrane, identification of lipid-facing and inward-facing residues, followed by energy optimization of the implicit membrane model to obtain the hydrophobic length from the optimal membrane width. The latest HDGB version 3 (HDGBv3) and HDGB van der Waals (HDGBvdW) models were applied to a test se...

Developing new adsorptive membrane by modification of support layer with iron oxide microspheres for arsenic removal.

Arsenic-contaminated water has significant adverse impacts on human health and ecosystems. We developed a new adsorptive membrane by modifying the porous support layer of a phase inversion formed membrane for arsenic removal. Iron oxide (Fe3O4) microspheres were immobilized in the support layer of the membrane by reverse filtration, followed by dopamine polymerization. The prepared adsorptive membrane was compared with a virgin membrane without Fe3O4 microspheres and a Fe3O4 blended membrane in terms of mem...

Recent Developments of Graphene Oxide-Based Membranes: A Review.

Membrane-based separation technology has attracted great interest in many separation fields due to its advantages of easy-operation, energy-efficiency, easy scale-up, and environmental friendliness. The development of novel membrane materials and membrane structures is an urgent demand to promote membrane-based separation technology. Graphene oxide (GO), as an emerging star nano-building material, has showed great potential in the membrane-based separation field. In this review paper, the latest research pr...

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