when the molar ratio of hemoglobin to the cross-linking agent was 1 to 2 in a 1:1 fs mixture , the relative ratio of the products , cross-linked hemoglobins f ( hb f-fumarate ) , fs ( hb fs-fumarate ) , and s ( hb s-fumarate ) , was 1.0:2.6:2.0 , in contrast to a 1:2:1 ratio of cross-linked hemoglobins a , as , and s in a 1:1 as mixture .
C0015936
hemoglobins f
C0019046
hemoglobins