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    • 3. 发明申请
    • CHROMATOGRAPHY EQUIPMENT CHARACTERIZATION
    • 色谱设备表征
    • WO2012084828A1
    • 2012-06-28
    • PCT/EP2011/073243
    • 2011-12-19
    • F. HOFFMANN-LA ROCHE AGBELOUSOV, AntonDAMS, ThomasGERWAT, Benjamin
    • BELOUSOV, AntonDAMS, ThomasGERWAT, Benjamin
    • G01N30/86G01N30/88C07K1/16
    • G06F19/70C07K1/22G01N30/50G01N30/86G01N30/8665G01N30/88
    • Herein is reported a method for determining whether a re-useable chromatography column packing, which is used at least for the second time in a purification step of a purification of a polypeptide, has reduced separation efficacy in said purification step of said purification of said polypeptide, comprising in particular the following steps: a) identifying and determining the experimental data of an inert change of at least one physicochemical parameter of a mobile phase passing through said re-useable chromatography column packing, b) determining the parameters of a function of formula (I) by fitting the experimental data of the inert change of the physicochemical parameter of the at least second use, c) determining the difference between the experimental data of the inert change of the physicochemical parameter of the at least second use and the function of formula (I) with the parameters determined in step b).
    • 本文报道了用于确定在纯化多肽的纯化步骤中至少第二次使用的可再利用色谱柱填充是否在所述纯化所述多肽的纯化步骤中具有降低的分离功效的方法 特别地包括以下步骤:a)鉴定和确定通过所述可重复使用的色谱柱填充物的流动相的至少一个物理化学参数的惰性变化的实验数据,b)确定式 (I)通过拟合至少第二次使用的物理化学参数的惰性变化的实验数据,c)确定至少第二次使用的物理化学参数的惰性变化的实验数据与其功能的差异 式(I)与步骤b)中确定的参数。
    • 4. 发明申请
    • CHARACTERIZATION OF RE-USEABLE CHROMATOGRAPHY EQUIPMENT
    • 可重复使用的色谱设备的表征
    • WO2010149367A1
    • 2010-12-29
    • PCT/EP2010/003813
    • 2010-06-22
    • F. HOFFMANN-LA ROCHE AGBELOUSOV, AntonDAMS.ThomasGERWAT, Benjamin
    • BELOUSOV, AntonDAMS.ThomasGERWAT, Benjamin
    • G01N30/50G01N30/86
    • G01N30/86C07K1/16G01N30/50G01N30/88
    • Herein is reported a method for determining whether a re-useable chromatography column packing, which is used at least for the second time in a purification step of a purification of a polypeptide, has reduced separation efficacy in said purification step of said purification of said polypeptide. The method comprises the following steps: a) identifying and determining the experimental data of an inert change of at least one physicochemical parameter of a mobile phase passing through said re-useable chromatography column packing, b) determining the parameters of a function of formula I by fitting the experimental data of the inert change of the physicochemical parameter of the at least second use, c) determining the difference between the experimental data of the inert change of the physicochemical parameter of the at least second use and the function of formula I with the parameters determined in step b), d) calculating the difference between the maximum value and the minimum value of the difference determined in step c) and normalizing said difference, e) determining reduced separation efficacy of said re-useable chromatography column packing when the absolute value of the difference calculated in step d) is more than 0.1, wherein the function of formula I is with the amplitude P1, the starting value AO, the mean value m, the standard deviation s, and wherein erf is the error function.
    • 本文报道了用于确定在纯化多肽的纯化步骤中至少第二次使用的可再利用色谱柱填充是否在所述纯化所述多肽的纯化步骤中具有降低的分离功效的方法 。 该方法包括以下步骤:a)鉴定和确定通过所述可重复使用的色谱柱填充物的流动相的至少一个物理化学参数的惰性变化的实验数据,b)确定式I的函数的参数 通过拟合至少第二次使用的物理化学参数的惰性变化的实验数据,c)确定至少第二次使用的物理化学参数的惰性变化与式I的功能的实验数据之间的差异, 步骤b)中确定的参数,d)计算在步骤c)中确定的差异的最大值和最小值之间的差异,并且对所述差异进行归一化,e)确定当所述可再利用的色谱柱填充物的分离效率降低时 在步骤d)中计算的差的绝对值大于0.1,其中式I的函数与幅度相关 e P1,起始值AO,平均值m,标准偏差s,其中erf是误差函数。