Because it has shown a pleased result in many kinds of precipitation reaction such as ring precipitation reaction, AGAR diffusion reaction and so on.
结果：自制兔抗羊免疫血清和羊血清经环状沉淀、琼脂扩散多种沉淀反应试验，验证均与兔抗人血清和人血清的反应结果相近。
The AGAR diffusion and quantitative precipitin reaction show that the antigenicity of BSA decreases considerably after NBS treatment.
琼脂扩散及免疫定量实验结果显示NBS处理后bsa的抗原性减弱。
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