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    • 2. 发明授权
    • Isotachophoretic focusing of nucleic acids
    • 核酸的同步聚焦聚焦
    • US08846314B2
    • 2014-09-30
    • US12716142
    • 2010-03-02
    • Robert D. ChambersJuan G. SantiagoAlexandre PersatReto B. SchochMostafa Ronaghi
    • Robert D. ChambersJuan G. SantiagoAlexandre PersatReto B. SchochMostafa Ronaghi
    • C12Q1/68B01D57/02C07H21/04C12N15/10
    • G01N27/447B01D57/02C12N15/101
    • A method and system are presented for fast and efficient isolation, purification and quantitation of nucleic acids from complex biological samples using isotachophoresis in microchannels. In an embodiment, a sieving medium may be used to enhance selectivity. In another embodiment, PCR-friendly chemistries are used to purify nucleic acids from complex biological samples and yield nucleic acids ready for further analysis including for PCR. In another embodiment, small RNAs from biological samples are extracted, isolated, preconcentrated and quantitated using on-chip ITP with a high efficiency sieving medium. The invention enables fast concentration and separation (takes 10s to 100s of seconds) of nucleic acids with high selectivity and using lower volumes of reagents (order of 10s of μL to focus less than 1 pg/μL of nucleic acid).
    • 提出了一种方法和系统,用于在微通道中使用等速电泳,从复杂生物样品中快速有效地分离,纯化和定量核酸。 在一个实施方案中,可以使用筛分介质来增强选择性。 在另一个实施方案中,使用PCR友好的化学物质从复杂的生物样品中纯化核酸,并产生准备用于进一步分析的核酸,包括用于PCR。 在另一个实施方案中,使用具有高效筛选培养基的片上ITP,提取,分离,预浓缩和定量来自生物样品的小RNA。 本发明使得能够以高选择性快速浓缩和分离(需要10秒至100秒)的核酸,并且使用较低体积的试剂(10μL的浓度以聚焦小于1pg /μL的核酸)。
    • 3. 发明申请
    • Isotachophoretic Focusing of Nucleic Acids
    • 核酸的同位素聚焦
    • US20100224494A1
    • 2010-09-09
    • US12716142
    • 2010-03-02
    • Robert D. ChambersJuan G. SantiagoAlexandre PersatReto B. SchochMostafa Ronaghi
    • Robert D. ChambersJuan G. SantiagoAlexandre PersatReto B. SchochMostafa Ronaghi
    • B01D57/02
    • G01N27/447B01D57/02C12N15/101
    • A method and system are presented for fast and efficient isolation, purification and quantitation of nucleic acids from complex biological samples using isotachophoresis in microchannels. In an embodiment, a sieving medium may be used to enhance selectivity. In another embodiment, PCR-friendly chemistries are used to purify nucleic acids from complex biological samples and yield nucleic acids ready for further analysis including for PCR. In another embodiment, small RNAs from biological samples are extracted, isolated, preconcentrated and quantitated using on-chip ITP with a high efficiency sieving medium. The invention enables fast concentration and separation (takes 10s to 100s of seconds) of nucleic acids with high selectivity and using lower volumes of reagents (order of 10s of μL to focus less than 1 pg/μL of nucleic acid).
    • 提出了一种方法和系统,用于在微通道中使用等速电泳,从复杂生物样品中快速有效地分离,纯化和定量核酸。 在一个实施方案中,可以使用筛分介质来增强选择性。 在另一个实施方案中,使用PCR友好的化学物质从复杂的生物样品中纯化核酸,并产生准备用于进一步分析的核酸,包括用于PCR。 在另一个实施方案中,使用具有高效筛选培养基的片上ITP,提取,分离,预浓缩和定量来自生物样品的小RNA。 本发明使得能够以高选择性快速浓缩和分离(需要10秒至100秒)的核酸,并且使用较低体积的试剂(10μL的浓度以聚焦小于1pg /μL的核酸)。