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    • 111. 发明公开
    • Method for non-invasive prenatal diagnosis
    • 无创性产前诊断方法
    • EP2354253A3
    • 2011-11-16
    • EP10189690.0
    • 2004-09-07
    • Trustees of Boston UniversityThe Chinese University Of Hong Kong
    • Cantor, Charles R.Ding, ChunmingLo, Yuk Ming DennisChiu, Rossa Wai-Kwun
    • C12Q1/68
    • C12Q1/6881C12Q1/6872C12Q2600/156C12Q2600/172C12Q2535/125
    • The present invention is directed to methods of detecting nucleic acids in a biological sample. The method is based on a novel combination of a base extension reaction, which provides excellent analytical specificity, and a mass spectrometric analysis, which provides excellent specificity. The method can be used, for example, for diagnostic, prognostic and treatment purposes. The method can be used, for example, for diagnostic, prognostic and treatment purposes. The method allows accurate detection of nucleic acids that are present in very small amounts in a biological sample. For example, the method of the present invention is preferably used to detect fetal nucleic acid in maternal blood sample; circulating tumor-specific nucleic acids in a blood, urine or stool sample; and donor-specific acids in transplant recipients. In another embodiment, one can detect viral, bacterial, fungal, or other foreign nucleic acids in biological sample.
    • 本发明涉及检测生物样品中的核酸的方法。 该方法基于提供优异分析特异性的碱基延伸反应和提供优异特异性的质谱分析的新型组合。 该方法可以用于例如诊断,预后和治疗目的。 该方法可以用于例如诊断,预后和治疗目的。 该方法允许准确检测生物样品中存在的非常少量的核酸。 例如,本发明的方法优选用于检测母体血液样品中的胎儿核酸; 在血液,尿液或粪便样品中循环肿瘤特异性核酸; 和移植受体中的供体特异性酸。 在另一个实施方案中,可以检测生物样品中的病毒,细菌,真菌或其他外源核酸。