in order to investigate whether the immune system is involved in the degradation of hydroxylapatite as implant material the adsorption behavior of several serum proteins to hydroxylapatite was studied and compared with the adsorption to other calcium phosphate compounds ( ca3 ( po4 ) 2 , cahpo4 ) , calcium carbonate , aluminium oxide , and zinc oxide .
C0206106
calcium
C0006681
calcium carbonate