... B,O-3 and O-4 of residue C, O-3 of residue D,O-4andO- 6of residues E and F, O-6 of residue G, O-5 and O-4 of residueL,whereasI was a terminal residue. In the high field region of the spectrum ... absence of anomericsignals from GlcN I and GlcN II of Lipid A, the lack of pyruvate methyl groups, as a consequence of the cleavage of the ketal group under acid treatment, and the presence of singlet ... theunderstanding of adaptive chemical alterations of theouter membrane of P. stutzeri OX1 as a consequence of its exposure to solvents, which has already been docu-mented in other cases [1,8,9]. Most of...