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    • 3. 发明授权
    • Flavivirus detection and quantification assay
    • 黄病毒检测和定量测定
    • US06793488B1
    • 2004-09-21
    • US09551161
    • 2000-04-14
    • Huo-Shu H. HoungNiranjan Kanesa-Thasan
    • Huo-Shu H. HoungNiranjan Kanesa-Thasan
    • C12Q168
    • C12Q1/701C12Q1/6851Y02A50/53Y02A50/60
    • A fluorescent DNA probes specific to the conserved terminal 3′-noncoding region (nucleotides 10653-10678) of dengue virus and a pair of flanking primers are designed to formulate a dengue specific fluorogenic polymerase chain reaction (PCR). Optimal assay conditions with zero background are disclosed which permit the detection of low levels of dengue virus from clinical specimens. Dengue virus isolates from different geographic regions can be universally detected and identified by the fluorogenic RT-PCR assay. Moreover, the assay is specific for dengue 2 virus and does not recognize other related flaviviruses, including dengue serotypes Louis encephalitis, yellow fever, and Kunjin viruses. The ) 3, and 4, Japanese encephalitis, St. assay also efficiently detected immunocomplexed dengue viruses. The fluorogenic RT-PCR assay readily detected viremia in sera collected from individuals ill with dengue fever.
    • 设计了登革热病毒的保守末端3'非编码区(核苷酸10653-10678)和一对侧翼引物特异性的荧光DNA探针以配制登革热特异性荧光聚合酶链反应(PCR)。 公开了具有零背景的最佳测定条件,其允许从临床标本检测低水平的登革热病毒。 可以通过荧光RT-PCR测定法普遍检测和鉴定来自不同地理区域的登革病毒分离物。 此外,该测定法对登革2病毒是特异性的,不识别其他相关的黄病毒,包括登革热血清型路易斯脑炎,黄热病和昆金病毒。 )3和4,日本脑炎,圣测定也有效检测免疫复合登革病毒。 荧光RT-PCR测定法容易地检测到从患有登革热的个体收集的血清中的病毒血症。