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    • 32. 发明授权
    • Adsorption method and ligands
    • 吸附法和配体
    • US07214321B2
    • 2007-05-08
    • US10312054
    • 2001-07-16
    • Makonnen BelewBo-Lennart JohanssonJean-Luc Maloisel
    • Makonnen BelewBo-Lennart JohanssonJean-Luc Maloisel
    • B01D15/04
    • B01J20/3285B01J39/04B01J39/18
    • The invention relates to a method for removing a positively charged substance from an aqueous liquid (I) by contacting the liquid with a cation-exchanger (1), possibly followed by a subsequent desorption of said substance. The cation-exchanger is selected to be capable of (a) binding to said substance by cation-exchange in an aqueous liquid reference (II) at an ionic strength corresponding to 0.3 M NaCl and (b) permitting a break through capacity for said substance 3200%, such as 3300% or 3500%, of the break-through capacity of said substance for a reference cation-exchanger (2) containing sulphopropyl groups —CH2CH2CH2SO2O—. The cation exchange ligands have an at least bimodal function by comprising a cation exchanging group and a separate hydrogen-bonding atom. The invention also relates to a method for testing the appropriateness of a cation-exchanger for removing a substance from a liquid and novel cation exchangers.
    • 本发明涉及通过使液体与阳离子交换剂(1)接触,从而可以随后随后解吸所述物质从水性液体(I)中除去带正电荷的物质的方法。 阳离子交换剂被选择为能够(a)在水性液体参考物(II)中以对应于0.3M NaCl的离子强度的阳离子交换结合所述物质,和(b)允许所述物质的破裂能力 例如300%或3%以上500%以上的所述物质用于参考阳离子交换器的穿透能力的200% (2)含有磺基丙基-CH 2 CH 2 CH 2 SO 2 O-。 阳离子交换配体通过包含阳离子交换基团和单独的氢键原子具有至少双峰功能。 本发明还涉及一种用于测试用于从液体和新型阳离子交换剂中除去物质的阳离子交换器的适当性的方法。
    • 39. 发明申请
    • Method for the quantitative determination of one or more compounds
    • 定量测定一种或多种化合物的方法
    • US20050100878A1
    • 2005-05-12
    • US10398439
    • 2001-10-02
    • Bengt BjellqvistJean-Luc MaloiselRonnie PalmgrenJonas Astrom
    • Bengt BjellqvistJean-Luc MaloiselRonnie PalmgrenJonas Astrom
    • G01N27/62G01N27/447G01N27/64G01N30/06G01N30/72G01N30/88G01N33/68C12Q1/00
    • G01N33/6803
    • The present invention relates to a method for the quantitative determination of the amount of one or more biomolecules, such as proteins or polypeptides, in one or more samples by utilising sample unique tagging reagents. More specifically, the method comprises steps of providing at least two samples; reacting biomolecules present in each sample with a sample unique mass tagging reagent to provide sample unique mass tagged forms thereof; combining tagged forms present in each sample to provide a single sample; coseparating, from the resulting sample, a mix of mass tagged forms of each of said biomolecules into different fractions; subjecting, for each fraction, the mix to mass spectrometry to obtain a mass spectrum; and determining from signals in each mass spectrum, the amount of the biomolecule corresponding to the spectrum in at least one of said samples relative to the amount of the same biomolecule in at least one of the remaining samples. In an advantageous embodiment, the separation step is a gel electrophoresis step. In some cases, it may be advantageous to also include a step of digesting biomolecules, such as protein(s).
    • 本发明涉及通过利用样品独特标记试剂在一个或多个样品中定量测定一种或多种生物分子(例如蛋白质或多肽)的量的方法。 更具体地,该方法包括提供至少两个样本的步骤; 使每个样品中存在的生物分子与样品独特的质量标签试剂反应,以提供样品独特的质量标签形式; 组合每个样品中存在的标记形式以提供单个样品; 从所得样品中分离出每种所述生物分子的质量标签形式的混合物到不同的级分; 对每个级分进行混合物进行质谱分析以获得质谱; 并且从每个质谱图中的信号确定与至少一个剩余样品中相同生物分子的量相对应的至少一个所述样品中的光谱的生物分子的量。 在有利的实施方案中,分离步骤是凝胶电泳步骤。 在一些情况下,还可以包括消化生物分子如蛋白质的步骤是有利的。