Ammonium glucuronate

Table 3 Comparison Between 100-nm SSL Remote-Loaded with DOX via Higher Inside/Lower Outside Transmembrane Gradients of Either 250 mM Ammonium Sulfate or of Ammonium Glucuronate...

Abbreviations DOX, doxorubicin, SSL, sterically stabilized liposome AS, ammonium sulfate AG, ammonium glucuronate. 

Carboxymethylcellulose, polyethylene glycol Combination of a cellulose ether with clay Amide-modified carboxyl-containing polysaccharide Sodium aluminate and magnesium oxide Thermally stable hydroxyethylcellulose 30% ammonium or sodium thiosulfate and 20% hydroxyethylcellulose (HEC) Acrylic acid copolymer and oxyalkylene with hydrophobic group Copolymers acrylamide-acrylate and vinyl sulfonate-vinylamide Cationic polygalactomannans and anionic xanthan gum Copolymer from vinyl urethanes and acrylic acid or alkyl acrylates 2-Nitroalkyl ether-modified starch Polymer of glucuronic acid... 

Classic methods in use to fractionate plant cell wall polysaccharides are mainly based upon the differential solubilities of various cell wall polysaccharide constituents (32). To solubilize pectic polysaccharides, the cell wall material is extracted with water, ammonium oxalate or disodium EDTA. The solubilization of pectic polysaccharides could then be followed by solubilization of hemicelluloses, i.e., polysaccharides rich in D-glucuronic acid 4-0-methyl-D-glucuronic acid, D-xylose and D-glucose residues. The solubilization of hemicellulosic polysaccharides is accomplished by treatment of water, ammonium oxalate or EDTA insoluble material with a strong alkali. 

Harold reported that incubation of the mycelium of Neurospora crassa with inorganic phosphate resulted in formation of a complex, possibly consisting of polyphosphate bound to the free amino groups of a 2-amino-2-deoxygalactan. Mahadevan and Tatum found that precipitation of the alkali-soluble portion of N. crassa cell-walls with ammonium sulfate provided a fraction containing a 2-amino-2-deoxygalactose, glucuronic acid residues, and protein. 

TSP spectra have much in common with the DLI spectra. Again the protonated or deprotonated aglycon is the major peak in the mass spectrum and thus fits the general characteristic of glucuronic acid conjugates (lfi). Also present were adduct ions, this time with NH4 + or acetate Ac from the 0.1M aqueous ammonium acetate in the mobile phase, which also contained 20% acetonitrile. These adducts were formed from the molecular ion, thermally derived BaPOH and a glucuronic acid derivative. The adduct ions have much in common with chemical ionization spectra (,17.18 ). This may be expected from the dissociation of ammonium acetate and extraction of the ions from the liquid. 

Somani, S.M. and Anderson, J.H., In vitro glucuronization of 3-hydroxy-phenyl-trimethyl ammonium by rat liver microsomes, Drug Metabol. Dispos., 5, 15, 1977. 

In this diazoalkane-catalyzed, -eliminative degradation of quaternary ammonium salts of heparin, it was not proved whether it is the l-iduronate or the n-glucuronate residues that react, to form the terminally linked, unsaturated hexopyranuronate residue in the oligosaccharide fragments. 

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