various buffers ( 0.2 m acetate , ph 4.2 ; 0.01 m phosphate with 0.15 m sodium chloride , ph 7.2 ; 0.15 m borate , ph 8.2 and 0.025 m carbonate , ph 9.6 ) were used as coating buffers with brucella abortus alkali treated lipopolysaccharide on two types of plastic matrices .
C0007026
carbonate
C0002055
alkali