Fig. 2From: Purification and antigenic detection of O-specific polysaccharides of Salmonella enterica serovar Paratyphi A isolate from Pakistan: an emerging threatSDS-PAGE for LPS and OSP detection Lane M Molecular Weight marker, Lane 1–5 contains different amounts of S. Paratyphi A LPS in 5, 1, 5, 2.5 and 1 µg respectively shown in ladder like pattern, Lane 6 contains 10 µg of S. Paratyphi A OSP not visible by silver stainingBack to article page