precipitation and precipitation-inhibition studies indicated that the antiserum contained at least three groups of antibodies with different specificities , the first specific for linear alpha- ( 1 -- -- 6 ) -d-glucopyranan structure , the second specific for alpha-d-glycopyranosyl- ( 1 -- -- 3 ) -branching and the last specific for another , unknown structure present in the dextran b1375 molecule .
C0020960
antiserum
C0003241
antibodies