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Galactomannan and the Diagnosis of Invasive Aspergillosis [PDF]
Clinical Infectious Diseases, 2006 openaire +2 more sources
Galactomannan, a Surrogate Marker for Outcome in Invasive Aspergillosis: Finally Coming of Age
Frontiers in Microbiology, 2018 Detection of galactomannan has become widely available for diagnosing invasive aspergillosis. The test characteristics, using the Platelia™ enzyme-immunoassay, have been well described. This assay could potentially also be useful for the early evaluation
Toine Mercier +2 more
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Seed Galactomannans: An Overview
Chemistry & Biodiversity, 2005AbstractSeed galactomannans are vegetable, heterogeneous polysaccharides widely distributed in nature. Generally, they possess (1→4)‐linked D‐mannopyranose (Man) main chains to which are attached (1→6)‐linked D‐galactopyranosyl (Gal) units. The Man/Gal ratios differ from gum to gum, resulting in a change in structure, which, in turn, determines the ...
Manjoosha, Srivastava, V P, Kapoor
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Synthesis of galactomannan sulfates
Applied Biochemistry and Microbiology, 2006The experimental conditions for the sulfation of legume galactomannans were found, which allow for the obtainment of polysaccharides with a high degree of substitution. Sulfate esters of four galactomannans of different composition (galactose content, 16.4-47.5%) were synthesized using the SO3-pyridine complex in dimethylformamide as a sulfating agent.
N M, Mestechkina +2 more
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On the galactosyl distribution of commercial galactomannans
Carbohydrate Research, 2000A simple method was developed that enabled the enzymatic determination of the galactose distribution in galactomannans. endo-Mannanase of Aspergillus niger was used to degrade the galactomannan polymers and the degradation products were determined with high-performance anion-exchange chromatography.
Daas, P.J.H. +2 more
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2015
Abstract Galactomannans are the most abundant constituents of coffee beans. Generically, the structure of these polysaccharides consists of a linear backbone of β-(1→4)-linked d -mannose residues, some of them substituted at O -6 by single residues of α- d -galactose.
Ana S.P. Moreira +3 more
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Abstract Galactomannans are the most abundant constituents of coffee beans. Generically, the structure of these polysaccharides consists of a linear backbone of β-(1→4)-linked d -mannose residues, some of them substituted at O -6 by single residues of α- d -galactose.
Ana S.P. Moreira +3 more
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Characterization of galactomannans by capillary electrophoresis
Food Additives and Contaminants, 2000Capillary electrophoresis (CE) was utilized in the characterization of various galactomannans. Standards of gums were extracted with 50% CH3CN to remove the residual proteins from the gum matrix. Separation buffers were optimized with respect to pH, buffer concentration and presence of sodium dodecyl sulphate, yielding protein profiles from which the ...
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Specific modifications of galactomannans
Carbohydrate Polymers, 2000A sample of galactomannan extracted from the seeds of Leucaema leucocephala is modified on a specific position using the reactant 2,2,6,6-tetramethylpiperidine-1-oxyl (TEMPO). This method allows oxidation at the C-6 position of galactose and free mannose (not connected to a side group).
Sierakowski, M.R. +3 more
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