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

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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 882

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...

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 ...

Modelling sulfate reduction in anaerobic digestion: Complexity evaluation and parameter calibration.

A comparative analysis of five different structures of sulfate reduction (SR) models for anaerobic digestion (AD) was conducted to evaluate their accuracy to provide model developers and users with better information to decide on the optimum degree of complexity. The models evaluated differ in terms of the number/type of sulfate reducing bacterial activities considered based on the electron donors used. A systematic calibration of the evaluated models against a large set of experimental data was also conduc...

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...

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...

Switchable Photoacoustic Intensity of Methylene Blue via Sodium Dodecyl Sulfate Micellization.

The interaction between methylene blue (MB) and sodium dodecyl sulfate (SDS) has been widely studied spectroscopically, but details about their interactions are limited. Here, we combined photoacoustic (PA) imaging with nanoparticle tracking analysis (NTA) and spectroscopy to further elucidate this interaction. PA imaging of 0.05 mM MB showed a 492-fold increase in intensity upon addition of 3.47 mM SDS. Higher concentrations above SDS's critical micelle concentration (CMC) at 8.67 mM decreased the PA inten...

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...

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

Genetic Variation, Magnesium Sulfate Exposure, and Adverse Neurodevelopmental Outcomes Following Preterm Birth.

 To evaluate the association of magnesium sulfate (MgSO) exposure and candidate gene polymorphisms with adverse neurodevelopmental outcomes following preterm birth.

Keratan Sulfate Phenotype in the β-1,3-N-Acetylglucosaminyltransferase-7-Null Mouse Cornea.

Synthesis of keratan sulfate (KS) relies on coordinated action of multiple enzymes, including the N-acetylglucosamine-transferring enzyme, β-1,3-N-acetylglucosaminyltransferase-7 (β3GnT7). A mouse model deficient in β3GnT7 was developed to explore structural changes in KS and the extracellular matrix (ECM; i.e., the corneal stroma), elucidate the KS biosynthesis mechanism, and understand its role in corneal organization.

Structural and Mechanistic Analysis of the Choline Sulfatase from Sinorhizobium melliloti: A Class I Sulfatase Specific for an Alkyl Sulfate Ester.

Hydrolysis of organic sulfate esters proceeds by two distinct mechanisms, water attacking at either sulfur (S-O bond cleavage) or carbon (C-O bond cleavage). In primary and secondary alkyl sulfates attack at carbon is favored, whereas in aromatic sulfates and sulfated sugars attack at sulfur is preferred. This mechanistic distinction is mirrored in the classification of enzymes that catalyze sulfate ester hydrolysis: arylsulfatases catalyze S-O cleavage in sulfate sugars and arylsulfates and alkyl sulfatase...

Magnesium sulfate versus esomeprazole impact on the neonates of preeclamptic rats.

Preeclampsia represents a major complication of pregnancy, associated with greater maternal and fetal complications. We compared the effects of esomeprazole (a proton pump inhibitor) and magnesium sulfate (MgSO4) on the deleterious effects observed on the mother and neonates in experimentally induced preeclampsia in rats.

Inhaled magnesium sulfate in the treatment of acute asthma.

Asthma exacerbations can be frequent and range in severity from mild to life-threatening. The use of magnesium sulfate (MgSO₄) is one of numerous treatment options available during acute exacerbations. While the efficacy of intravenous MgSO₄ has been demonstrated, the role of inhaled MgSO₄ is less clear.

The effect of isohydric hemodialysis on the binding and removal of uremic retention solutes.

There is growing evidence that the accumulation of protein- bound uremic retention solutes, such as indoxyl sulfate, p-cresyl sulfate and kynurenic acid, play a role in the accelerated cardiovascular disease seen in patients undergoing chronic hemodialysis. Protein-binding, presumably to albumin, renders these solutes poor-dialyzable. We previously observed that the free fraction of indoxyl sulfate was markedly reduced at the end of hemodialysis. We hypothesized that solute binding might be pH-dependent and...

Biochemical composition and antioxidant activity affected by spraying potassium sulfate in black grape (Vitis vinifera L. cv. Rasha).

The physiological and metabolic processes involved with grapevine growth and production are influenced by key macro and micro-nutrients. Potassium is an essential plant nutrient that affects growth and fruit quality. In this study, the impact of foliar spraying of potassium sulfate (K SO ) on qualitative characteristics of grape berries was evaluated in the cultivar 'Rasha', a commonly cultivated cultivar in Kurdistan province of Iran. Leaves of the fully-grown vines were sprayed with each of the 1.5 g L an...

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