检样孔无沉淀带，但两侧阳性孔的沉淀带在接近检样孔时变得模糊、消失，可能为待检血清中抗体浓度过大，致使沉淀带溶解，可将样品稀释后重检。
琼脂凝胶免疫扩散试验 AGID ; agar gel immunodiffusion
琼脂免疫扩散试验 AGID ; agar gel immunodiffusion
双向免疫扩散试验 double immunodiffusion test
凝胶免疫扩散试验 AGID
双向琼脂免疫扩散试验 double agar immunodiffusion test
半固体免疫扩散试验 semisolid immunodiffusion test
琼脂双向免疫扩散试验 agar gel double immunodiffusion test
酶联免疫电扩散试验 ELIEDA
放射免疫扩散酶试验 ride
发现两者在蛋白质组成，分子量，等电点及氨基酸组成上颇为相近。但免疫扩散试验证实两者无免疫交叉反应。
Some similarities in polypeptide components, molecular weight, isoelectric point and amino acid composition were found, but no immunocross reaction between them was observed.
将琼脂免疫扩散试验检测为阴性的71份马血清样品进行P CR检测，其中检出3份血清为阳性，并确诊为EHV - 1型。
There was negative by AGID and 3 serum samples were EHV-1 positive by PCR among 71 serum samples.
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