产品详情介绍
本产品包含PerfectStart® Taq 热启动酶 (利用3种单克隆抗体与Taq DNA Polymerase高效结合,有效地封闭了DNA聚合酶活性,阻止了低温下的非特异性扩增)、优化的双阳离子缓冲液、SYBR Green I 荧光染料、dNTPs、PCR增强剂、PCR稳定剂。本产
品浓度为2×,使用时只需加入模板、引物、Universal Passive Reference Dye和水,使其工作浓度为1×,即可进行反应。
• 3种抗体封闭,特异性高,灵敏度高,扩增效率强,适用物种范围广。
• 双阳离子缓冲液,增强特异性,减少引物二聚体形成,数据准确。
• 配有适用于不同机型的Passive Reference Dye (调整PCR加样误差引起的管间差异 ),数据准确。
扩增效率
以梯度稀释的质粒DNA (10 ng~ 0.1 pg,10倍稀释)为模板进行扩增得到的扩增曲线和标准曲线。结果显示,TransGen产品扩增效率较高,可得到漂亮的扩增曲线和标准曲线。
封闭效果
以不同浓度人gDNA为模板扩增,琼脂糖凝胶电泳检测PerfectStart® Taq热启动酶封闭效果。结果显示,封闭后可显著提高扩增灵敏度和特异性。
以小麦cDNA为模板,qPCR检测PerfectStart® Taq热启动酶封闭效果。结果显示,封闭后可显著提高扩增特异性。
产品稳定性
不同温度保存及反复冻融处理后TransGen产品仍可稳定扩增
无NTC扩增基因数量统计
使用TransGen与Company T的产品,扩增58个基因(9个人的基因,7个小鼠的基因,17个水稻的基因,8个烟草的基因,4个拟南芥的基因,10个小麦的基因,3个玉米的基因)。无NTC扩增基因数统计。结果显示,TransGen产品无NTC扩增基因数高于Company T,扩增效果更佳。
扩增灵敏度
以500 ng的人源RNA反转录(TransGen, AT311)后得到的cDNA为模板梯度稀释,分别使用TransGen与Company T产品扩增β-actin (NTC无扩增)。结果显示,TransGen产品扩增灵敏度与Company T产品基本一致。
不同物种模板扩增
以不同物种的RNA反转录(TransGen, AT311)后得到的cDNA为模板分别使用TransGen与Company T的产品进行扩增(NTC无扩增)。结果显示,TransGen产品扩增效果与Company T产品基本一致。
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