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    • 1. 发明公开
    • NUCLEIC ACID SEQUENCING BY RAMAN MONITORING OF UPTAKE OF NUCLEOTIDES DURING MOLECULAR REPLICATION
    • 拉曼监测分子复制过程中核苷酸摄取的核酸序列分析
    • EP1711626A2
    • 2006-10-18
    • EP04821053.8
    • 2004-12-28
    • INTEL CORPORATION
    • BERLIN, AndrewSU, XingCHAN, SelenaKOO, Tae-WoongSUN, LeiSUNDARARAJAN, Narayan
    • C12Q1/68
    • G01N21/658C12Q1/6869C12Q2565/632C12Q2533/101
    • The methods and apparatus disclosed herein are useful for detecting nucleotides, nucleosides, and bases and for nucleic acid sequence determination. The methods involve detection of a nucleotide, nucleoside, or base using surface enhanced Raman spectroscopy (SERS) or surface enhanced coherent anti-Stokes Raman spectroscopy (SECARS). The detection can be part of a nucleic acid sequencing reaction to detect uptake of a deoxynucleotide triphosphate during a nucleic acid polymerization reaction, such as a nucleic acid sequencing reaction. The nucleic acid sequence of a synthesized nascent strand, and the complementary sequence of the template strand, can be determined by tracking the order of incorporation of nucleotides during the polymerization reaction. Methods for enhancing the SERS signal of a nucleotide or nucleoside by cleaving the base from a sugar moiety are provided. Furthermore, methods for detecting single base repeats are provided.
    • 本文公开的方法和装置可用于检测核苷酸,核苷和碱基并用于核酸序列测定。 该方法涉及使用表面增强拉曼光谱(SERS)或表面增强相干反斯托克斯拉曼光谱(SECARS)检测核苷酸,核苷或碱基。 检测可以是核酸测序反应的一部分,以在核酸聚合反应(例如核酸测序反应)期间检测脱氧核苷酸三磷酸的摄取。 合成的新生链的核酸序列和模板链的互补序列可以通过追踪聚合反应期间核苷酸掺入的顺序来确定。 提供了通过从糖部分切割碱基来增强核苷酸或核苷的SERS信号的方法。 此外,提供了检测单碱基重复的方法。
    • 7. 发明公开
    • APPLICATION OF CANTILEVERS IN NUCLEIC ACID SEQUENCING
    • 悬挂剂在核酸测序中的应用
    • EP1513950A1
    • 2005-03-16
    • EP03726388.6
    • 2003-04-18
    • INTEL CORPORATION
    • SUNDARARAJAN, NarayanBERLIN, AndrewYAMAKAWA, MineoSU, XingCHAN, SelenaKOO, Tae-Woong
    • C12Q1/68C12M1/34
    • C12Q1/6825B82Y5/00B82Y15/00B82Y30/00C12Q1/6869C12Q2563/155C12Q2565/607
    • The present methods and apparatus 100 concern nucleic acid 214 sequencing by incorporation of nucleotides 218 into nucleic acid strands 220. The incorporation of nucleotides 218 is detected by changes in the mass and/or surface stress of the structure 116, 212. In some embodiments of the invention, the structure 116, 212 comprises one or more nanoscale or microsacle cantilevers. In certain embodiments of the invention, each different type of nucleotide 218 is distinguishably labeled with a bulky group and each incorporated nucleotide 218 is identified by the changes in mass and/or surface stress of the structure 116, 212 upon incorporation of the nucleotide 218. In alternative embodiments of the invention only one type of nucleotide 218 is exposed at a time to the nucleic acids 214, 220. Changes in the properties of the structure 116, 212 may be detected by a variety of methods, such as piezoelectric detection, shifts in resonant frequency of the structure 116, 212, and/or position sensitive photodetection.
    • 本发明的方法和设备100涉及通过将核苷酸218掺入核酸链220来进行核酸214测序。核苷酸218的掺入通过结构116,212的质量和/或表面应力的变化来检测。在一些实施方式中, 本发明中,结构116,212包括一个或多个纳米级或微型悬臂梁。 在本发明的某些实施方案中,每个不同类型的核苷酸218用庞大的基团可区分地标记,并且每个掺入的核苷酸218通过掺入核苷酸218后结构116,212的质量和/或表面应力的变化来鉴定。 在本发明的可选实施方案中,一次只有一种类型的核苷酸218暴露于核酸214,220。结构116,212的性质的变化可以通过多种方法检测,诸如压电检测,偏移 在结构116,212的谐振频率中,和/或位置敏感的光电检测。