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为了解国内人ABO血型定型试剂的稳定性 ,随机对 4个厂家生产的共 2 0批次的血型试剂置 2～ 8℃条件下 ,定期进行稳定性观察 ,结果显示 ,所有试剂在其有效期内 ,凝集效价均下降 1～ 2个滴度 ,其中有二个批次的试剂在临近失效期时 ,效价已低于 1∶12 8,其余全部合格 ,合格率为 90 % ,说明目前国产人ABO血型定型试剂的稳定性是良好的 ,同时提示该试剂的稳定性还需进一步提高。
In order to understand the stability of domestic ABO blood type setting reagents, a total of 20 batches of blood type reagents produced by 4 manufacturers were randomly placed under the condition of 2 to 8 ° C for stability observation. The results showed that all the reagents were stable within the validity period , The agglutination potency decreased 1 ~ 2 titers, of which two batches of reagents near the expiration date, the titer has been lower than 1:12 8, the remaining all qualified, the passing rate of 90%, indicating that the current domestic The stability of the human ABO blood typing reagent is good, and the stability of the reagent needs to be further improved.