News新品|超低残留qPCR mix,助力病原精准检测
扩增效率高,线性范围广,灵敏度高,稳定性好,可广泛用于病原微生物检测等应用场景
由于商业化分子酶主要采用工程菌株(如大肠杆菌等)进行重组表达,因此分子酶中会存在一定量的宿主基因组DNA残留。加上制备环境和人源等因素影响,分子酶制品中极易存在污染DNA。极可能造成宿主核酸残留质控产品定量不准确,从而给生产的生物制品带来安全隐患。在病原体检测过程中,污染的背景菌核酸可能会淹没低丰度的靶标核酸或和靶标核酸一起被检出,从而影响靶标检出灵敏度或造成假阳性结果,给医生诊断和用药造成困扰。

宿主DNA残留低:大肠、铜绿、MecA及鲍曼基因组DNA残留48孔无检出;
稳定性好:4℃长期放置12个月,性能检测稳定且阴性仍在控制范围内;
线性范围广,扩增效率高:在qPCR检测体系中,检测线性范围为10~1×105 copies/μL;
灵敏度高:超低浓度样本(1 copies/μL)可稳定100%检出。




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探针法qPCR预混液
Hieff Unicon® Purepro Ⅰ TaqMan qPCR Master Mix(UDG plus)
11853ES
热启动taq酶
Hieff UCF.ME® Hotstart Sensitive Taq DNA Polymerase (5 U/μL)
Hieff UCF.ME® Hotstart Sensitive Taq DNA Polymerase (50 U/μL)
14315ES
逆转录酶
Hifair UCF.ME® V Reverse Transcriptase (200 U/μL)
鼠源RNase抑制剂
UCF.ME® Murine RNase Inhibitor (40 U/µL)
UCF.ME® Murine RNase Inhibitor (200 U/µL)
UCF.ME® Murine RNase Inhibitor (300 U/µL)
UDG酶
UCF.ME® Uracil DNA Glycosylase (UDG/UNG), 1 U/μL
UCF.ME® Uracil DNA Glycosylase(UDG/UNG), heat-labile, 1 U/μL
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