[Kinetic and chemical experiments on the decay of di-N-acetylneuraminosyl-lacto-N-tetraose by neuraminidases of myxoviruses and Vibrio cholerae].
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Biomedical subjects
Publications and source records attributed to F Zilliken.
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The Km-values of neuraminidases from different pathogenic and apathogenic microorganisms have been determined on low and high molecular substrates. The substrate specificity and the affinity to the different types of substrates in relation to the pathogenicity of the microorganisms are discussed.
Gas chromatography and the 20 eV mass spectra of the human milk oligosaccharides fucosido-galactose, fucosido-lactose, di-fucosido-lactose, 3'-N-acetylneuraminyl-lactose, 6'-N-acetylneuraminyl-lactose and of N-acetyllactosamine as pertrimethylsilyl (TMS) ethers are described. The gas chromatographic separation of the L-fucose containing oligosaccharides was performed on Silicone SE 30. The sialic acid containing sugars were separated on DEXSIL 300. The correlations between oligosaccharide structures and mass spectrometric fragmentation patterns are discussed.