نتایج جستجو برای: c16
تعداد نتایج: 2058 فیلتر نتایج به سال:
The long-chain fatty acids extracted from the whole cells of 12 clinically significant species of peptococci and peptostreptococci were characterized by gas-liquid chromatography. The resulting methylated fatty acid profiles (and some unidentified compounds) of 82 strains allowed the 12 species to be separated into four groups. Fifteen strains of Peptostreptococcus anaerobius were placed in gro...
The structure-activity relationship of the crucial C16 region of (-)-dictyostatin was established through total synthesis of analogs followed by detailed biological characterization. A versatile synthetic strategy was used to prepare milligram quantities of 16-normethyldictyostatin, 16-epi-dictyostatin, and the C16-normethyl-C15Z isomer. Along the way, a number of other E/Z isomers and epimers ...
Based on the most common vegetable oil blends, binary and ternary analytical mixtures were constructed in mass fractions from 0.50 to 0.97, their fatty acid profile was determined represented graphically. The acids with discriminatory power selected construct equations predict commercial blend proportions. Three different linear resulted analysis for i. palm oil-based blends: y = (0.3713 ± 0.02...
The remediation of petroleum hydrocarbons (TPH) in a contaminated soil by electrokinetic (EK) treatment was studied the laboratory. effects applying constant electrical current on pH, moisture content, conductivity (EC), temperature, and concentrations three fractions TPH (C10–C16, C17–C34 C35–C40) were investigated. experiment run for seven days samples collected at end 7 day period analysis p...
BACKGROUND In carnitine palmitoyltransferase I (CPT-I) deficiency (MIM 255120), free carnitine can be increased with no pathologic acylcarnitine species detectable. As inclusion of CPT-I deficiency in high-risk and newborn screening could prevent potentially life-threatening complications, we tested whether CPT-I deficiency might be diagnosed by electrospray ionization-tandem mass spectrometry ...
A novel Gram-stain-negative, aerobic, motile and rod-shaped bacterium, designated strain RSG39T, was isolated from the gut of a Korean rockfish, Sebastes schlegelii. The 16S rRNA gene sequence analysis revealed that strain RSG39T belonged to the genus Simplicispira in the class Betaproteobacteria and its highest sequence similarity was shared with S. psychrophila (98.4 %). The isolate grew opti...
Novel orange-pigmented, Gram-negative, rod-shaped, non-motile bacteria, designated strains NIO-S3(T) and NIO-S4, were isolated from a water sample collected from Cochin back waters, Thanneermukkom and Arookutty, Kerala, India. Both strains were positive for oxidase and catalase activities, and hydrolyzed gelatin and Tween 40. The predominant fatty acids were iso-C15:0, anteiso-C15:0, iso-C17:0 ...
Hepatic mitochondrial and peroxisomal beta-oxidation were examined in an Antarctic marine teleost, Notothenia gibberifrons. Enzymic profiles and rates of beta-oxidation by intact organelles were determined by using a range of fatty acyl-CoA substrates to evaluate substrate preferences. Partitioning of beta-oxidation between organelles was estimated. Substrate selectivities are broader for perox...
In mammals, ceramides are synthesized by a family of six ceramide synthases (CerS), transmembrane proteins located in the endoplasmic reticulum, where each use fatty acyl-CoAs of defined chain length for ceramide synthesis. Little is known about the molecular features of the CerS that determine acyl-CoA selectivity. We now explore CerS structure-function relationships by constructing chimeric p...
This study was conducted to investigate and compare the fatty acids and tocopherols of lipid extracted from marine microalgae, Nannochloropsis oculata (NO) and Tetraselmis suecica (TS) using solvent extraction and supercritical fluid extraction (SFE). Fatty acids and tocopherols were determined in the extracted lipid as functions of the temperature (40, 80oC) and pressure (3000, 5000, 7000, 900...
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