CN Patent

CN111440790A — 唾液斑迹dna和rna同时提取的方法

Assigned to Institute of Forensic Science Ministry of Public Security PRC · Expires 2020-07-24 · 6y expired

What this patent protects

本发明公开了唾液斑迹DNA和RNA同时提取的方法。本发明提供了一种从现场唾液斑迹中同步提取DNA和RNA的方法,1)将带有载体的现场唾液斑迹浸透在含有DTT和细胞解离缓冲液的反应体系中,孵育反应,得到反应产物;2)去除所述反应产物中的载体,收集去除载体的反应产物,再将所述去除载体的反应产物流经DNA吸附柱,收集吸附有DNA的吸附柱和含有RNA的过柱液体;3)将所述含有RNA的过柱液体和所述吸附有DNA的吸附柱分别纯化,得到RNA和DNA;该方法可用于口腔拭子、烟蒂、水杯擦拭物等常见现场检材的核酸提取,获得的DNA和RNA样本在下游STR分型和荧光定量PC…

USPTO Abstract

本发明公开了唾液斑迹DNA和RNA同时提取的方法。本发明提供了一种从现场唾液斑迹中同步提取DNA和RNA的方法,1)将带有载体的现场唾液斑迹浸透在含有DTT和细胞解离缓冲液的反应体系中,孵育反应,得到反应产物;2)去除所述反应产物中的载体,收集去除载体的反应产物,再将所述去除载体的反应产物流经DNA吸附柱,收集吸附有DNA的吸附柱和含有RNA的过柱液体;3)将所述含有RNA的过柱液体和所述吸附有DNA的吸附柱分别纯化,得到RNA和DNA;该方法可用于口腔拭子、烟蒂、水杯擦拭物等常见现场检材的核酸提取,获得的DNA和RNA样本在下游STR分型和荧光定量PCR检测中均获得较为理想的检测结果。

Drugs covered by this patent

Patent Metadata

Patent number
CN111440790A
Jurisdiction
CN
Classification
Expires
2020-07-24
Drug substance claim
No
Drug product claim
No
Assignee
Institute of Forensic Science Ministry of Public Security PRC
Source
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