120 1A0 m/z

: CAPSULAR POLYSACCHARIDE (from Neisseria meningitidis, Group 29E)

: gift from Dr. E.C. Beuvery, Natl. Inst. Publ. Health, Bilthoven, The Netherlands suspension in PBS buffer; 10 yg standard

1 X 105

REMARKS - Compare with Spectra A.20 and A.21. The characteristic KDO peak series at m/z 110, 112, 122 and 140 is much more pronounced here. The peak at m/z 94 may be attributable to residual phenol used in the isolation procedure although it is also present in the KDO spectrum (A.21).

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