会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 2. 发明申请
    • METHODS AND SYSTEMS FOR ANALYSIS OF PEPTIDE SAMPLE STREAMS USING TANDEM MASS SPECTROSCOPY
    • 使用TANDEM MASS SPECTROSCOPY分析肽样品流的方法和系统
    • WO2011143760A1
    • 2011-11-24
    • PCT/CA2011/000586
    • 2011-05-20
    • UNIVERSITY OF MANITOBAKROKHIN, Oleg V.SPICER, Vic
    • KROKHIN, Oleg V.SPICER, Vic
    • G01N30/72
    • H01J49/0036G01N30/72G01N30/7233G01N2030/045G01N2030/8831
    • The present disclosure relates to methods and systems for analyzing a peptide sample stream from a chromatography column using tandem mass spectroscopy. Analysis of the sample stream during a first time interval is performed in order to identify peptides, such as tryptic peptides, that are contained in the sample stream. Database searching is then performed to identify one or more protein sequences that contain the identified peptide sequence and to identify associated peptide sequences that are contained in the protein sequence that differ from the peptide sequence. The retention time of associated peptides is estimated based on the hydrophobicity of the predicted peptides and by spiking the sample with standard peptides. Information on associated peptides can then be used to configure the mass spectrometer during a second time interval to detect or ignore ions that correspond to the associated peptides.
    • 本公开涉及用于使用串联质谱从色谱柱分析肽样品流的方法和系统。 执行在第一时间间隔期间对样品流的分析,以便鉴定样品流中包含的肽,例如胰蛋白酶肽。 然后进行数据库搜索以鉴定含有鉴定的肽序列的一个或多个蛋白质序列,并鉴定与肽序列不同的蛋白质序列中所含的相关肽序列。 基于所预测的肽的疏水性并用标准肽掺入样品来估计相关肽的保留时间。 然后可以使用关于相关肽的信息在第二时间间隔内配置质谱仪,以检测或忽略与相关肽相对应的离子。