Protein adsorption on poly(ethylene terephthalate) track membranes modified with gamma-aminopropyltriethoxysilaneстатья
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Дата последнего поиска статьи во внешних источниках: 12 октября 2013 г.
Местоположение издательства:Road Town, United Kingdom
Первая страница:793
Последняя страница:795
Аннотация:The adsorption of various proteins on PET track membranes is studied as dependent on the structural parameters of the membranes. The membrane surface is modified with gamma-aminopropyltriethoxysilane. The high adsorption of the basic proteins lysozyme and cytochrome C, and neutral proteins gamma-globulin and hemoglobin on the modified membranes depends upon the ratio between the sizes of membrane pores and protein globules. The adsorption of acidic proteins (bovine serum albumin, ferritin, ovalbumin, and pepsin) is about zero. The adsorption of basic and, to a lesser degree, of neutral proteins is reduced by membrane modification. Acidic proteins are insignificantly adsorbed on the membranes with amino groups grafted at the surface.