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PubMed Journals Articles About "Indinavir Sulfate Abacavir Sulfate Amprenavir Nelfinavir Mesylate Efavirenz" - Page: 2 RSS

18:50 EDT 17th August 2018 | BioPortfolio

Indinavir Sulfate Abacavir Sulfate Amprenavir Nelfinavir Mesylate Efavirenz PubMed articles on BioPortfolio. Our PubMed references draw on over 21 million records from the medical literature. Here you can see the latest Indinavir Sulfate Abacavir Sulfate Amprenavir Nelfinavir Mesylate Efavirenz articles that have been published worldwide.

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Showing "Indinavir sulfate Abacavir sulfate Amprenavir Nelfinavir mesylate Efavirenz" PubMed Articles 26–50 of 903

Pro-inflammatory roles of chondroitin sulfate proteoglycans in disorders of the central nervous system.

The extracellular matrix of the central nervous system is an interconnected network of proteins and sugars. It is crucial for homeostasis, but its remodeling in neurological diseases impacts both injury and repair. Here we introduce an extracellular matrix family member that participates in immune-matrix interactions, the chondroitin sulfate proteoglycans. Chondroitin sulfate proteoglycans integrate signals from the microenvironment to activate immune cells, and they boost inflammatory responses by binding ...


Treatment of acidic sulfate-containing wastewater using revolving algae biofilm reactors: Sulfur removal performance and microbial community characterization.

Industries such as mining operations are facing challenges of treating sulfur-containing wastewater such as acid mine drainage (AMD) generated in their plant. The aim of this work is to evaluate the use of a revolving algal biofilm (RAB) reactor to treat AMD with low pH (3.5-4) and high sulfate content (1-4 g/L). The RAB reactors resulted in sulfate removal efficiency up to 46% and removal rate up to 0.56 g/L-day, much higher than those obtained in suspension algal culture. The high-throughput sequencin...

Heparan sulfate is a plasma biomarker of acute cellular allograft rejection.

Despite advances in management of immunosuppression, graft rejection remains a significant clinical problem in solid organ transplantation. Non-invasive biomarkers of graft rejection can facilitate earlier diagnosis and treatment of acute rejection. The purpose of this study was to investigate the potential role of heparan sulfate as a novel biomarker for acute cellular rejection. Heparan sulfate is released from the extracellular matrix during T-cell infiltration of graft tissue via the action of the enzym...


Biosynthesis and Characterization of Zearalenone-14-Sulfate, Zearalenone-14-Glucoside and Zearalenone-16-Glucoside Using Common Fungal Strains.

Zearalenone (ZEN) and its phase II sulfate and glucoside metabolites have been detected in food and feed commodities. After consumption, the conjugates can be hydrolyzed by the human intestinal microbiota leading to liberation of ZEN that implies an underestimation of the true ZEN exposure. To include ZEN conjugates in routine analysis, reliable standards are needed, which are currently not available. Thus, the aim of the present study was to develop a facilitated biosynthesis of ZEN-14-sulfate, ZEN-14-gluc...

Comparative proteome analysis of propionate degradation by Syntrophobacter fumaroxidans in pure culture and in coculture with methanogens.

Syntrophobacter fumaroxidans is a sulfate-reducing bacterium able to grow on propionate axenically or in syntrophic interaction with methanogens or other sulfate-reducing bacteria. We performed a proteome analysis of S. fumaroxidans growing with propionate axenically with sulfate or fumarate, and in syntrophy with Methanospirillum hungatei, Methanobacterium formicicum or Desulfovibrio desulfuricans. Special attention was put on the role of hydrogen and formate in interspecies electron transfer (IET) and ene...

Aggregation and charging of sulfate and amidine latex particles in the presence of oxyanions.

Electrophoretic mobility and time resolved light scattering are used to measure the effect on charging and aggregation of amidine and sulfate latex particles of different oxyanions namely, phosphate, arsenate, sulfate, and selenate. In the case of negatively charged sulfate latex particles oxyanions represent the coions, while they represent counterions in the case of the positively charged amidine latex. Repulsive interaction between the sulfate latex surface and the coions results in weak ion specific eff...

Application of zinc-aluminium layered double hydroxides for adsorptive removal of phosphate and sulfate: Equilibrium, kinetic and thermodynamic.

In this study, a series of layered double hydroxide (ZxAy LDH) material was synthesized with different molar ratios and calcination temperatures to remove phosphate and sulfate ions from synthetic solution. ZxAy LDH was characterized by XRD, FTIR, BET and SEM analysis. The highest removal was obtained by Z3A200 LDH that is LDH with a Zn-Al molar ratio of 3 and calcined at 200 °C. The leaching of Zn and Al was more under highly acidic pH compared to pH 5 and 8. Adsorption isotherms data had a good fit wit...

Indoxyl sulfate generates free radicals, decreases antioxidant defense and leads to damage to mononuclear blood cells.

Indoxyl sulfate (IS) is a uremic toxin that has been associated with inflammation, oxidative stress as well as with the progression of chronic kidney disease (CKD). Indoxyl sulfate is a protein metabolite that is concentrated in the serum of CKD patients. IS is a well-known uremic toxin but there are very few reports on the effect of IS on cells including mononuclear cells (MNCs). We hypothesized that a high concentration of IS in CKD patients may induce changes in redox balance in the in vitro cells expose...

A novel LC-MS/MS assay to quantify dermatan sulfate in cerebrospinal fluid as a biomarker for mucopolysaccharidosis II.

The study aimed to develop an LC-MS/MS assay to measure dermatan sulfate (DS) in human cerebrospinal fluid (CSF).

Preparation and structural characterization of regioselective 4-O/6-O-desulfated chondroitin sulfate.

The sulfation pattern plays a crucial role in chondroitin sulfate (CS) biological activity, and preparation of CS with defined structure is essential for accurate pharmacological study. In this study, we focused on the preparation of regioselective 4-O/6-O-desulfated CS derived from porcine, employing a dimethyl sulfoxide-methanol (DMSO-MeOH) method and an N-methyl-N-(trimethylsilyl) -trifluoroacetamide (MTSTFA) method CS, respectively. Results showed that the sulfate at C4 position (4-O-S) of N-acetylgalac...

Magnesium Sulfate Reduced Opioid Consumption in Obese Patients Undergoing Sleeve Gastrectomy: a Prospective, Randomized Clinical Trial.

The purpose of the study was to investigate the effect of magnesium sulfate on pain management for pain after sleeve gastrectomy operation.

The bioenergetics mechanisms and applications of sulfate-reducing bacteria in remediation of pollutants in drainage: A review.

Sulfate-reducing bacteria (SRB), a group of anaerobic prokaryotes, can use sulfur species as a terminal electron acceptor for the oxidation of organic compounds. They not only have significant ecological functions, but also play an important role in bioremediation of contaminated sites. Although numerous studies on metabolism and applications of SRB have been conducted, they still remain incompletely understood and even controversial. Fully understanding the metabolism of SRB paves the way for allowing the ...

Bioactive Bacterial Cellulose Sulfate Electrospun Nanofibers for Tissue Engineering Applications.

Cellulosic materials have been of tremendous importance to mankind since its discovery due to its superior properties and its abundance in nature. Recently, an increase in demand for alternate green materials has rekindled the interest for cellulosic materials. Here bacterial cellulose has been functionalized with sulfate groups through acetosulfation to gain solubility in aqueous media, which provides access to several applications. The cell viability, antioxidant and hemocompatibility assays have verified...

Rapid quantification of tyrosine sulfation in therapeutic proteins.

Protein tyrosine sulfation (Tyr-O-SO3) is a common post-translational modification (PTM), which is important for protein function. Absolute quantitation of Tyr-O-SO3 in recombinant therapeutic proteins has been challenging. We report here an MRM method used for absolute quantitation of Tyr-O-SO3 in the hydrolysate of a recombinant Fc-fusion protein. Quantitation is achieved by monitoring the sum of two transitions: the loss of carboxylic acid from tyrosine sulfate (major transition) and sulfate group from t...

Structural and Conformational Studies of the Heparan Sulfate Mimetic PI-88.

The heparan sulfate mimetic PI-88 is a complex mixture of sulfated oligosaccharides with anti-metastatic and anti-angiogenic activity due to its potent inhibition of heparanase and heparan sulfate-dependent angiogenic growth factors. It was recently in Phase III clinical trials for post-resection hepatocellular carcinoma. The major oligosaccharide constituents of PI-88 were prepared for the first time by sulfonation of individually purified phosphorylated oligosaccharides isolated from the PI-88 precursor. ...

Formation and evolution of aqSOA from aqueous-phase reactions of phenolic carbonyls: comparison between ammonium sulfate and ammonium nitrate solutions.

We investigate the effects of sulfate and nitrate on the formation and evolution of secondary organic aerosol formed in the aqueous phase (aqSOA) from photooxidation of two phenolic carbonyls emitted from wood burning. AqSOA was formed efficiently from the photooxidation of both syringaldehyde (CHO) and acetosyringone (CHO) in ammonium sulfate and ammonium nitrate solutions, with mass yields ranging from 30% to 120%. Positive matrix factorization on the organic mass spectra acquired by an Aerosol Mass Spect...

Preparation of chitosan sulfate and vesicle formation with a conventional cationic surfactant.

Chitosan of high molecular weight and 85% deacetylation was used to prepare chitosan sulfate (CHS) by employing an industrial recognized green and highly reactive sulfating agent gas SO3. FT-IR and solid-state CP-MAS 13C NMR spectra confirmed that sulfate groups were successfully introduced into chitosan chains with a sulfur content of 16.50% and the substitution degree of 1.75 according to the results of elemental analysis. The aggregation behavior of the mixture of chitosan sulfate polyelectrolyte and opp...

Ultra-low Sample Volume Cupric Sulfate Oxidation Method for the Analysis of Dissolved Lignin.

A novel cupric sulfate (CuSO) oxidation method was developed to enable the analysis of dissolved lignin phenols in small volumes of open ocean seawater (

Intravenous and Nebulized Magnesium Sulfate for Treating Acute Asthma in Children: A Systematic Review and Meta-Analysis.

This study aimed to evaluate the efficacy of intravenous (IV) and nebulized magnesium sulfate in acute asthma in children.

Sulfate-reducing mixed communities with the ability to generate bioelectricity and degrade textile diazo dye in microbial fuel cells.

The biotreatment of recalcitrant wastes in microbial fuel cells (MFCs) rather than chemical, physical, and advanced oxidation processes is a low-cost and eco-friendly process. In this study, sulfate-reducing mixed communities in MFC anodic chamber were employed for simultaneous electricity generation, dye degradation, and sulfate reduction. A power generation of 258 ± 10 mW/mwas achieved under stable operating conditions in the presence of electroactive sulfate-reducing bacteria (SRB). The SRBs domin...

Chondroitin sulfate-stabilized silver nanoparticles: Improved synthesis and their catalytic, antimicrobial, and biocompatible activities.

Herein, we describe an improved procedure for the green synthesis of chondroitin sulfate stabilized silver nanoparticles (ChS-AgNPs). Glucose was used as a reducing agent under alkaline conditions to obtain a small particle size (

Sulfur isotope fractionation by sulfate-reducing microbes can reflect past physiology.

Sulfur (S) isotope fractionation by sulfate-reducing microorganisms is a direct manifestation of their respiratory metabolism. This fractionation is apparent in the substrate (sulfate) and waste (sulfide) produced. The sulfate-reducing metabolism responds to variability in the local environment, with the response determined by the underlying genotype, resulting in the expression of an 'isotope phenotype'. Sulfur isotope phenotypes have been used as a diagnostic tool for the metabolic activity of sulfate-red...

Deciphering functional glycosaminoglycan motifs in development.

Glycosaminoglycans (GAGs) such as heparan sulfate, chondroitin/dermatan sulfate, and keratan sulfate are linear glycans, which when attached to protein backbones form proteoglycans. GAGs are essential components of the extracellular space in metazoans. Extensive modifications of the glycans such as sulfation, deacetylation and epimerization create structural GAG motifs. These motifs regulate protein-protein interactions and are thereby repsonsible for many of the essential functions of GAGs. This review foc...

Electrochemical activation of sulfate by BDD anode in basic medium for efficient removal of organic pollutants.

Electrochemical advanced oxidation processes (EAOPs) based on hydroxyl radicals (OH) have some limitations when they are applied to real wastewater treatment, such like strict requirements on pH (acidic electrolyte) and high energy consumption. Compared to OH, Sulfate radicals (SO) have high redox potential in wider range of pH (2-9). In this study, SO were efficiently produced by electrochemical activation of SO at boron doped diamond (BDD) anode. The degradation rate of 2,4-DCP (k = 0.828 ± 0.05 ...

Improved protein determination assays obtained after substitution of copper sulfate by copper oxide nanoparticles.

Copper oxide nanoparticles (nano CuO) provide Cuions which can be easily harnessed for protein determination as an alternative to the use of copper sulfate (CuSO). In the present work, nano CuO of size


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