Results 131 to 140 of about 8,767 (182)
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The polymorphism of diglycerides
Journal of the Science of Food and Agriculture, 1992AbstractThe polymorphism of 1,3‐dipalmitin, 1,2‐dipalmitoyl‐sn‐glycerol, 1.2‐dipalmitoyl‐rac‐glycerol has been examined by X‐ray diffraction, IR spectroscopy and Raman spectroscopy and differential scanning calorimetry. The respective spectra and thermographs are presented for these polymorphs.
R J Shannon +3 more
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Determination of Ceramides and Diglycerides by the Diglyceride Kinase Assay
Analytical Biochemistry, 2001This review will discuss the utilization of the diglyceride (DG) kinase assay as an analytical method that allows the simultaneous quantitation of DG and ceramide from cell and tissue samples. This enzymatic approach is sensitive, quantitative, and linear over a broad range (20 pmol to 20-25 nmol) for both classes of lipids.
A, Bielawska, D K, Perry, Y A, Hannun
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2023
Monoglycerides (MGs) and diglycerides (DGs) are polar lipid molecules consisting of one or two fatty acids esterified to a glycerol molecule. These molecules have the peculiar ability to form supramolecular structures leading to a three-dimensional network able to retain huge amounts of solvents.
Melchior S. +3 more
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Monoglycerides (MGs) and diglycerides (DGs) are polar lipid molecules consisting of one or two fatty acids esterified to a glycerol molecule. These molecules have the peculiar ability to form supramolecular structures leading to a three-dimensional network able to retain huge amounts of solvents.
Melchior S. +3 more
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The use of diglyceride kinase for quantifying ceramide
Trends in Biochemical Sciences, 1999Yusuf Hannun, David K Perry, D K Perry
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Synthesis of glycosyl diglycerides
Chemistry and Physics of Lipids, 1973Abstract Synthesis of mono- and diglycosyl digly cerides with natural structure from 1,2-di-O-acyl-sn-glycerols, 1,2-O-isopropylidene-sn-glycerol, 2,5-methylene-D-mannitol by the orthoester method of glycosylation is reported.
V.I. Shvets +2 more
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Acyl migration in diglycerides
Journal of the Chemical Society C: Organic, 1966The equilibrium between 1,2-dipalmitin and 1,3-dipalmitin as a result of acyl migration has been studied using thin-layer chromatography and densitometry. When isomerisation is catalysed by potassium hydroxide, the composition of the equilibrium mixture varies with the temperature of the isomerisation.
I. P. Freeman, I. D. Morton
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The preparation of unsymmetrical diglycerides
Journal of the Chemical Society C: Organic, 1967Racemic 1,2-di-O-acylglycerols containing stearic and palmitic acids were prepared from 1,2-di-O-acyl-3-O-2′-tetrahydropyranylglycerols by hydrolysis of the tetrahydropyranyl group with boric acid. The 1,2-di-O-acyl-3-O-2′-tetrahydropyranylglycerols were obtained by acylation of 3-O-2′-tetrahydropyranylglycerol which was prepared from glycerol 1,2 ...
Jill Gigg, Roy Gigg
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Analytical Biochemistry, 1968
Abstract A method has been developed for the quantitative and rapid estimation of sulfolipid and galactolipids in plant tissues. The procedure is based on the isolation of pure glycolipids by a combination of DEAE-cellulose column and thin-layer chromatography.
P G, Roughan, R D, Batt
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Abstract A method has been developed for the quantitative and rapid estimation of sulfolipid and galactolipids in plant tissues. The procedure is based on the isolation of pure glycolipids by a combination of DEAE-cellulose column and thin-layer chromatography.
P G, Roughan, R D, Batt
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PHOSPHORYLATION OF DIGLYCERIDES BY RAT BRAIN
Canadian Journal of Biochemistry and Physiology, 1962The addition of D-α,β-dimyristin was observed to stimulate by three to six times the labelling of phospholipids from radioactive inorganic phosphate (Pi32) by glycolysing homogenates and respiring mitochondria of rat brain. The increase in labelling was confined to the glycerophosphate (GP) isolated by two-dimensional chromatography from the water ...
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Monogalactosyl diglyceride and digalactosyl diglyceride from commercial rapessed “lecithin”
Journal of the American Oil Chemists' Society, 1972AbstractBy silicic acid column separation small quantities of glycolipid‐rich fractions have been isolated from commercial Swedish rapeseed “lecithin.” Major components in these fractions are monogalactosyl diglyceride and digalactosyl diglyceride which have been identified by Rf on thin layer chromatography specific color reactions and IR spectrometry.
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