Optimization of preparative ion-exchange chromatography of proteins: linear gradient separations

Optimization of preparative ion-exchange chromatography of proteins: linear gradient separations
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蛋白质制备型离子交换色谱的优化:线性梯度分离

DOI:
10.1016/0021-9673(95)00909-4
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发表时间:
1996
影响因子:
4.1
通讯作者:
S. Cramer
S. Cramer
中科院分区:
化学2区
文献类型:
--
作者:
Stuart R. Gallant;S. Vunnum;S. Cramer

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在这项研究中,空间质量作用(SMA)的离子交换模型与适当的质量平衡方程的音乐会预测制备离子交换色谱的分离性能。该模型能够准确地预测蛋白质α-胰凝乳蛋白酶原A,细胞色素c和溶菌酶在过载条件下的线性梯度分离。考察了制备型离子交换色谱在基线分辨率和诱导样品置换条件下的优化行为。这项工作表明,一个简单的迭代程序,可以用来建立最佳的梯度条件制备离子交换色谱的蛋白质。结果还表明,在适当的条件下,可以采用样品置换,以显着提高生产率与产品收率或纯度的损失较小。与基线分辨分离相比,具有样品置换的线性梯度分离对进料流的吸附性质也不太敏感,从而简化了方法的开发。
In this study, the Steric Mass Action (SMA) model of ion exchange is employed in concert with appropriate mass balance equations to predict the separation performance of preparative ion-exchange chromatography. The model is able to accurately predict linear gradient separations of the proteins α-chymotrypsinogen A, cytochrome c, and lysozyme under overloaded conditions. The optimization behavior of preparative ion-exchange chromatography is examined under conditions of baseline resolution and induced sample displacement. This work demonstrates that a simple iterative procedure can be employed to establish optimal gradient conditions for preparative ion-exchange chromatography of proteins. The results also indicate that under appropriate conditions, sample displacement can be employed to dramatically improve the production rate with minor losses in product yield or purity. Linear gradient separations with sample displacement are also less sensitive to the adsorption properties of the feed stream than baseline resolved separations, resulting in simplified methods development.
多价离子交换形式的蛋白质分析的制备色谱法。
DOI: 10.1016/s0021-9673(00)94779-4
发表时间: 1988
期刊: Journal of chromatography
影响因子: --
作者:
Velayudhan,A;Horváth,C
通讯作者: Horváth,C
保留的化学计量置换模型在核酸阴离子交换色谱中的应用。
DOI: 10.1016/0021-9673(86)80069-3
发表时间: 1986
期刊: Journal of chromatography
影响因子: --
作者:
Drager,RR;Regnier,FE
通讯作者: Regnier,FE