LOS assay

Lynn Dover L.G.Dover at bham.ac.uk
Thu Feb 16 15:04:09 EST 1995

I am currently attempting to quantify lipooligosaccharide from Haemophilus influenzae typeB
as a contaminant of a cytoplasmic extract of the bacterium.  I'm about to try the Tsai & Frasch
silver stain method.  KDO determination is not sensitive enough.  Another option may be acid
methanolysis of the sample and quantification of C16:0 fatty acid methyl ester by GC.  Does
anyone have any suggestions.

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