Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Matrix-assisted laser-desorption/ionization time-of-flight spectra of hexaacylated Escherichia coli O55 lipopolysaccharide (LA) (A) and Plesiomonas shigelloides LA I (B), LA II (C), LA III (D), and LA IV (E). Abbreviations: PEtn, phosphoethanolamine; and 16:0, hexadecanoic (palmitic) acid.
