Peptide mass spectrometry rich in daughter ions
    1.
    发明申请
    Peptide mass spectrometry rich in daughter ions 审中-公开
    肽质谱富含子离子

    公开(公告)号:US20060022129A1

    公开(公告)日:2006-02-02

    申请号:US11136436

    申请日:2005-05-25

    IPC分类号: B01D59/44

    摘要: Methods of analysing peptides by mass spectrometry are disclosed. In particular, methods of analysing peptides by fragmentation mass spectrometry (MSn, where n is at least 2) are disclosed. The methods involve derivatisation of a peptide at its N-terminus such that peaks corresponding to both a and b (and y) daughter ions are identifiable in fragmentation mass spectra of the derivatised peptide. The fragmentation mass spectra of the derivatised peptide contain additional information (relative to the fragmentation mass spectra of the underivatised peptide) useful for determination of the amino acid sequence of the peptide.

    摘要翻译: 公开了通过质谱分析肽的方法。 特别地,公开了通过碎片质谱法(MS< n>,其中n至少为2)分析肽的方法。 所述方法涉及在其N末端衍生肽,使得对应于a和b(和y)子离子的峰可在衍生肽的断裂质谱中鉴定。 衍生肽的断裂质谱包含可用于测定肽的氨基酸序列的附加信息(相对于未衍生肽的断裂质谱)。

    Tag reagent and assay method
    4.
    发明授权
    Tag reagent and assay method 失效
    标签试剂和测定方法

    公开(公告)号:US5770367A

    公开(公告)日:1998-06-23

    申请号:US586875

    申请日:1996-02-05

    摘要: A reagent comprises: a) an analyte moiety comprising at least two analyte residues, and linked to; b) a tag moiety comprising one or more reporter groups adapted for detection by mass spectrometry, wherein a reporter group designates analyte residue, and the reporter group at each position of the tag moiety is chosen to designate an analyte residue at a defined position of the analyte moiety. A plurality of such reagents, each comprising a different analyte moiety, provides a library of reagents which may be used in assay methods involving a target substance. Analysis of the tag moieties indicates the nature of the analyte moieties bound to the target substance. A method of sequencing nucleic acid employs a library of the reagents to determine the sequence of a target nucleic acid.

    摘要翻译: PCT No.PCT / GB94 / 01675 Sec。 371日期:1996年2月5日 102(e)日期1996年2月5日PCT 1994年8月1日PCT公布。 出版物WO95 / 04160 日期:1995年2月9日试剂包括:a)包含至少两个分析物残基并与之连接的分析物部分; b)包含一个或多个适于通过质谱检测的报告基团的标签部分,其中报告基团指定分析物残基,并且选择标签部分的每个位置处的报告基团来表示在所述标记部分的限定位置处的分析物残基 分析物部分。 多个这样的试剂,各自包含不同的分析物部分,提供可用于涉及靶物质的测定方法的试剂文库。 标签部分的分析表明结合到目标物质的分析物部分的性质。 测序核酸的方法使用试剂文库来确定靶核酸的序列。

    Devices and processes for analysing individual cells
    6.
    发明申请
    Devices and processes for analysing individual cells 失效
    用于分析单个单元的设备和过程

    公开(公告)号:US20090098541A1

    公开(公告)日:2009-04-16

    申请号:US11919761

    申请日:2006-05-03

    摘要: A device for individually analysing cells of interest, comprising (a) a channel for receiving the contents of a cell of interest, wherein the channel has an input end and an output end, and (b) a cell trapping site in proximity to the input end of the channel, wherein (i) the input end of the channel is adapted such that an intact cell of interest cannot enter the channel; and (ii) the channel contains one or more analytical components for analysing the contents of the cell of interest. In use, a cell is applied to the device, where it is trapped by the cell trapping means. The cell cannot enter the channel intact, but its contents can be released in situ to enter the channel's input end. The contents can then move down the channel, towards the output end, and they encounter the immobilised reagents, thereby permitting analysis of the cell contents.

    摘要翻译: 一种用于单独分析感兴趣的单元的设备,包括:(a)用于接收感兴趣单元的内容的通道,其中所述通道具有输入端和输出端,以及(b)靠近输入端的单元陷阱位置 其中(i)信道的输入端被适配成使得感兴趣的完整小区不能进入信道; 和(ii)该通道包含用于分析感兴趣细胞的内容物的一个或多个分析成分。 在使用中,将细胞施加到装置,在其中被细胞俘获装置捕获。 单元格无法完整进入通道,但其内容可以原位释放进入通道的输入端。 然后,内容物可以向下移动通道,朝向输出端,并且它们遇到固定的试剂,从而允许细胞内容物的分析。

    Combined CGH and allele specific hybridisation method
    7.
    发明授权
    Combined CGH and allele specific hybridisation method 有权
    组合CGH和等位基因特异性杂交方法

    公开(公告)号:US09587278B2

    公开(公告)日:2017-03-07

    申请号:US13520935

    申请日:2011-01-07

    IPC分类号: C12Q1/68

    摘要: The invention combines the fields of comparative genomic hybridization (CGH) analysis and SNP array analysis. It relates to methods for detecting and mapping genetic abnormalities associated with various diseases. In particular the invention provides a method for simultaneously performing array CGH and SNP array analysis on a genomic DNA sample comprising contacting a nucleic acid array which comprises a first probe set and a second probe set with a genomic DNA sample, comprising a test and reference sample, under hybridization conditions, comparing the amount of test sample and reference sample hybridized to the hybridization probes of the first probe set, comparing the amount of test sample and reference sample hybridized to the hybridization probes of the second probe set; and using the data obtained to determine the copy number of at least one locus; and at least one SNP in the genomic DNA sample.

    摘要翻译: 本发明结合了比较基因组杂交(CGH)分析和SNP阵列分析的领域。 它涉及检测和绘制与各种疾病相关的遗传异常的方法。 特别地,本发明提供了一种用于在基因组DNA样品上同时进行阵列CGH和SNP阵列分析的方法,包括使包含第一探针组和第二探针组的核酸阵列与基因组DNA样品接触,所述核酸阵列包含测试和参考样品 在杂交条件下,比较与第一探针组的杂交探针杂交的测试样品和参考样品的量,比较与第二探针组的杂交探针杂交的测试样品和参考样品的量; 并使用获得的数据来确定至少一个轨迹的拷贝数; 和基因组DNA样品中的至少一个SNP。