A.10-10~10-15M B.10-12~10-17M C.10-14~10-19M D.10-16~10-21M E.10-18~10-23M
A.5% B.10% C.15% D.20% E.25%
A.標(biāo)記抗原活性下降 B.載體蛋白和試管的吸附大 C.分離劑不佳 D.上清液有殘留 E.以上均是