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    • 1. 发明授权
    • Apparatus for desorption and ionization of analytes
    • 分析物的解吸和电离装置
    • US08748193B2
    • 2014-06-10
    • US12372478
    • 2009-02-17
    • T. William HutchensTai-Tung Yip
    • T. William HutchensTai-Tung Yip
    • G01N33/537
    • H01J49/164G01N33/68G01N33/6851H01J49/0418Y10T436/143333Y10T436/24Y10T436/25Y10T436/255
    • This invention relates generally to methods and apparatus for desorption and ionization of analytes for the purpose of subsequent scientific analysis by such methods, for example, as mass spectrometry or biosensors. More specifically, this invention relates to the field of mass spectrometry, especially to the type of matrix-assisted laser desorption/ionization, time-of-flight mass spectrometry used to analyze macromolecules, such as proteins or biomolecules. Most specifically, this invention relates to the sample probe geometry, sample probe composition, and sample probe surface chemistries that enable the selective capture and desorption of analytes, including intact macromolecules, directly from the probe surface into the gas (vapor) phase without added chemical matrix.
    • 本发明一般涉及用于解析和离子化分析物的方法和装置,用于通过诸如质谱法或生物传感器等方法的后续科学分析。 更具体地,本发明涉及质谱领域,特别涉及用于分析大分子如蛋白质或生物分子的基质辅助激光解吸/电离,飞行时间质谱的类型。 最具体地,本发明涉及样品探针几何形状,样品探针组合物和样品探针表面化学物质,其能够使分析物(包括完整的大分子)从探针表面直接选择性捕集和解吸到气体(蒸汽)相中而不添加化学物质 矩阵。
    • 3. 发明申请
    • Polypeptides Related to Natriuretic Peptides and Methods of Their Identification and Use
    • 与利尿钠肽相关的多肽及其鉴定和使用方法
    • US20080160540A1
    • 2008-07-03
    • US12013606
    • 2008-01-14
    • Kenneth F. BuechlerEric Thomas FungTai-Tung Yip
    • Kenneth F. BuechlerEric Thomas FungTai-Tung Yip
    • G01N33/53C07K16/18
    • G01N33/74G01N2500/04
    • The present invention relates to the identification and use of polypeptides that bind to antibodies directed to a desired polypeptide of interest. Using natriuretic peptides and their precursors, and in particular BNP, as an example, the present invention describes a number of natriuretic peptides fragments produced in biological samples, most preferably blood-derived samples, that bind to antibodies directed to BNP. Because production of such fragments is an ongoing process that may be a function of, inter alia, the elapsed time between onset of an event triggering natriuretic peptide release into the tissues and the time the sample is obtained or analyzed; the elapsed time between sample acquisition and the time the sample is analyzed; the type of tissue sample at issue; the storage conditions; the quantity of proteolytic enzymes present; etc., such fragments may be used when both designing an assay for one or more natriuretic peptides, and when performing such an assay, in order to provide an accurate prognostic or diagnostic result.
    • 本发明涉及与靶向所需感兴趣的多肽的抗体结合的多肽的鉴定和使用。 使用利尿钠肽及其前体,特别是BNP作为实例,本发明描述了与生物样品中产生的许多利钠肽片段,最优选血液衍生的样品,其结合针对BNP的抗体。 因为这样的片段的产生是一个持续的过程,其可以是尤其是引发利钠肽释放到组织中的事件发生之间经过的时间与获得或分析样品的时间的函数; 样品采集与样品分析时间之间的经过时间; 有关组织样本的类型; 储存条件; 存在蛋白水解酶的数量; 当设计用于一种或多种利钠肽的测定法和进行这样的测定时,可以使用这样的片段,以便提供准确的预后或诊断结果。