کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1207997 965287 2007 8 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Study of dynamic adsorption behavior of large-size protein-bearing particles
موضوعات مرتبط
مهندسی و علوم پایه شیمی شیمی آنالیزی یا شیمی تجزیه
پیش نمایش صفحه اول مقاله
Study of dynamic adsorption behavior of large-size protein-bearing particles
چکیده انگلیسی
The subject of this paper is an investigation of the peculiarities of dynamic adsorption behavior of nanoparticles. For this purpose, virus-mimicking synthetic particles bearing different proteins at their outer surface were specially constructed using two approaches, e.g. the cross-linking of proteins and modification of polystyrene microsphere surface by proteins. Two chromatographic modes, namely ion-exchange and affinity liquid chromatography on ultra-short monolithic columns [Convective Interaction Media (CIM) DEAE and CIM QA disks] have been used as a tool for dynamic adsorption experiments. Such parameters as maximum adsorption capacity and its dependence on applied flow rate were established and compared with those obtained for individual proteins. Similarly to individual proteins, it was shown that the maximum of adsorption capacity was not changed at different flow rates. In addition, the permeability of porous space of used monolithic sorbents appeared to be sufficient for efficient separation of large particles and quite similar to the well-studied process applied for individual proteins.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Chromatography A - Volume 1144, Issue 1, 9 March 2007, Pages 40-47
نویسندگان
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