Chemical Details Sample Origin

SAMPLE PREP./SIZE PYR0L. CONDITIONS TOTAL ION COUNTS

CAPSULAR POLYSACCHARIDE (from neisseria meningitidis, group X)

poly[4/?Gl cNAca-1-phosphate]; see insert in spectrum gift from Dr. E.C. Beuvery, Natl. Inst. Publ. Health, BiIthoven, The Netherlands suspension in PBS buffer; 20 yg standard

REMARKS - Sample prepared following ref. 49. Note the qualitative correspondence with the spectrum of other phosphate-bridged (Spectrum A.15) and non-phosphate-bridged (Spectrum A. 13a) N-acetylhexosamine polymers. Peaks at m/z 36, 38 represent HC1+- (PBS buffer).

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