نتایج جستجو برای: extra cellular water

تعداد نتایج: 1038334  

Journal: :journal of sciences islamic republic of iran 0

purification of extra-cellular cellulolytic enzymes from c e l l u l o mssp. strain 0, isolated from forest soil in the north of iran , was studied by using gel filtration and ion-exchange chromatography. two endo-glucanases (endo-i & endo-ii) and one exo-glucanase (exo-i) were purified to hornogenity . the purified enzymes had molecular weights of about 39.000,70.000 and 90.000 daltons for end...

2005
Benoit Coasne Guillaume Maurin Anne Nicolas Sabine Devautour-Vinot Jean-Charles Giuntini François Henn

1. Introduction This work consisted of exploring the effect of water on both the distribution of the extra-framework cations and on their interactions with the framework in zeolite systems. From a practical point of view, this study was performed because water plays a key role in many applications involving adsorption and, more particularly, in ion-exchange which is carried out in aqueous solut...

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