PubMed Journals Articles About "American Membrane Corporation" RSS

17:45 EDT 20th October 2017 | 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+

Translocase of Inner Membrane 50 Functions as a Novel Protective Regulator of Pathological Cardiac Hypertrophy.

Translocase of inner membrane 50 (TIM50) is a member of the translocase of inner membrane (TIM) complex in the mitochondria. Previous research has demonstrated the role of TIM50 in the regulation of oxidative stress and cardiac morphology. However, the role of TIM50 in pathological cardiac hypertrophy remains unknown.

Are phloem sieve tubes leaky conduits supported by numerous aquaporins?

Aquaporin membrane water channels have been previously identified in the phloem of angiosperms, but currently their cellular characterization is lacking, especially in tree species. Pinpointing the cellular location will help generate new hypotheses of how membrane water exchange facilitates sugar transport in plants.

In Vivo Characteristics of Corneal Endothelium/Descemet's membrane Complex for the Diagnosis of Corneal Graft Rejection.

To evaluate the utility of Endothelial/Descemet's membrane complex (En/DM) characteristics in diagnosing corneal graft rejection.

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...

Preparation and characterization of an antibacterial ultrafiltration membrane with N-chloramine functional groups.

In this study, a cardo poly(aryl ether ketone) ultrafiltration membrane containing an N-chloramine functional group (PEK-N-Cl membrane) was easily obtained via exposure of a cardo poly(aryl ether ketone) ultrafiltration membrane (PEK-NH membrane) to dilute sodium hypochlorite solution. The chlorination process did not harm membrane performance. In addition, the PEK-N-Cl membrane was stable in both air and water. The PEK-N-Cl membrane exhibited excellent antimicrobial properties against both Gram-negative an...

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.

Influences of fractal dimension of membrane surface on interfacial interactions related to membrane fouling in a membrane bioreactor.

Influences of fractal dimension (Df) of membrane surface on interfacial interactions related to membrane fouling in a membrane bioreactor were investigated based on thermodynamic methods. It was found that membrane surface had significant fractal features, and its fractal dimension could be characterized by the power spectrum method. The modified Weierstrass-Mandelbrot (WM) function was found to be effective to model the fractal membrane surface, and higher Df corresponded to higher number of fine asperitie...

Nanoscale manipulation of membrane curvature for probing endocytosis in live cells.

Clathrin-mediated endocytosis (CME) involves nanoscale bending and inward budding of the plasma membrane, by which cells regulate both the distribution of membrane proteins and the entry of extracellular species. Extensive studies have shown that CME proteins actively modulate the plasma membrane curvature. However, the reciprocal regulation of how the plasma membrane curvature affects the activities of endocytic proteins is much less explored, despite studies suggesting that membrane curvature itself can t...

Conjunctival autograft versus amniotic membrane transplantation for treatment of pterygium: findings from a Cochrane Systematic Review.

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.

Generation of Wavy Structure on Lipid Membrane by Peripheral Proteins: A Linear Elastic Analysis.

We carry out a linear elastic analysis to study wavy structure generation on lipid membrane by peripheral membrane proteins. We model the lipid membrane as linearly elastic and anisotropic material. The hydrophobic insertion by proteins into the lipid membrane has been idealized as penetration of rigid rodlike inclusions into the membrane and the electrostatic interaction between protein and membrane has been modeled by a distributed surface traction acting on the membrane surface. With the proposed model w...

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...

Membrane fouling in a submerged membrane bioreactor: New method and its applications in interfacial interaction quantification.

Quantification of interfacial interactions between two rough surfaces represents one of the most pressing requirements for membrane fouling prediction and control in membrane bioreactors (MBRs). This study firstly constructed regularly rough membrane and particle surfaces by using rigorous mathematical equations. Thereafter, a new method involving surface element integration (SEI) method, differential geometry and composite Simpson's rule was proposed to quantify the interfacial interactions between the two...

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...

Exocytosis for endosymbiosis: membrane trafficking pathways for development of symbiotic membrane compartments.

During endosymbiosis with arbuscular mycorrhizal fungi or rhizobial bacteria, the microbial symbionts are housed within membrane-bound compartments in root cortex or nodule cells respectively. Their development involves polarized deposition of membrane around the symbionts as they enter the cells and the membranes show functional specialization, including transporters that mediate nutrient transfer between host and symbiont. The cellular changes associated with development of these compartments point to mem...

Membrane-Tethered Metalloproteinase Expressed by Vascular Smooth Muscle Cells Limits the Progression of Proliferative Atherosclerotic Lesions.

The MMP (matrix metalloproteinase) family plays diverse and critical roles in directing vascular wall remodeling in atherosclerosis. Unlike secreted-type MMPs, a member of the membrane-type MMP family, MT1-MMP (membrane-type 1 MMP; MMP14), mediates pericellular extracellular matrix degradation that is indispensable for maintaining physiological extracellular matrix homeostasis. However, given the premature mortality exhibited by MT1-MMP-null mice, the potential role of the proteinase in atherogenesis remain...

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 lipids and cell signaling.

Reception and transmission of signals across the plasma membrane has been a function generally attributed to transmembrane proteins. In the last 3 years, however, a growing number of reports have further acknowledged important contributions played by membrane lipids in the process of signal transduction.

Association Between Bone Graft Volume and Maxillary Sinus Membrane Elevation Height.

Maxillary sinus augmentation via crestal approach has been advocated as an alternative approach for sinus membrane elevation. Presently, no study has examined the relationship between the amount of bone grafting material placed and the final sinus membrane elevation height. Therefore, the present study was aimed at investigating the extent of sinus membrane elevation height depending on the amount of bone grafting material inserted as well as three-dimensionally assessing the likelihood of membrane perforat...

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