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检
检疫小白
2026-10-01
优先按原试剂盒的缓冲体系找替代：是否含热启动Taq、ROX浓度、预混还是浓缩、是否兼容实时荧光通道和模板量。到货前先用小鼠肝RNA做平行验证：同一cDNA分装，SYBR反应跑熔解曲线、NTC、标准品梯度，比较Ct漂移、扩增效率和重复性；建议把扩增效率、熔解峰单一、标准曲线线性作为放行门槛。若替代只在一个基因表现好，再补测低丰度与高GC代谢基因。这样换货更稳。
肖
肖小妹7460
2026-10-03
供应链上先筛华东仓常备货，问清最低起订、冷链或干冰运输、到货周期和效期。预算内可对比同规格国产预混液与通用型SYBR Mix，重点看批间放行资料、退换货、技术支持响应。不要一次性全换，建议留原盒做对照，先小包装试用，建立双供应商安全库存。若原品牌货期风险持续，把验证数据整理成内部SOP，后续可更快切换。
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