to obtain high-affinity antibodies for specific detection of low levels of o6-etdguo in small amounts of dna ( cells ) , different schemes were applied for immunization of rabbits with the hapten o6-ethylguanosine coupled to various carrier proteins ( rat serum albumin , bovine serum albumin , keyhold limpet hemocyanin ) .
C0036773
serum albumin
C0036774
bovine serum albumin