نتایج جستجو برای: sepharose
تعداد نتایج: 4321 فیلتر نتایج به سال:
Three different gels (Sepharose 4B, Sephadex G-200, and Sephadex G-50) were evaluated as a means of removing humic contaminants from DNA extracts of environmental samples. Sepharose 4B gave superior separation of DNA from humics, and DNA purified in this way showed consistently greater amplification than DNA purified by the other materials.
Vertebrate and invertebrate L-lactate dehydrogenases (L-lactate:NAD+ oxidoreductase, EC 1.1.1.27) are effectively bound to oxamate-diaminohexyl-Sepharose, whereas several D-lactate dehydrogenases (D-lactate:NAD+ oxidoreductase, EC 1.1.1.28) do not bind to the same Sepharose. One explanation for our findings is that the enzymes' substrate is oriented in a reversed manner in the active center of ...
Plastocyanin is soluble at high concentrations (greater than 3 M) of (NH4)2SO4 but under these conditions will adsorb tightly to unsubstituted Sepharose beads. This observation was utilized to purify plastocyanin from pea (Pisum sativum) in two chromatographic steps. Sepharose-bound plastocyanin was eluted with low-ionic-strength buffer and subsequently purified to homogeneity by DEAE-cellulose...
Multi-component adsorption of proteins still requires a better understanding local phenomena to improve the development predictive models. In this work, all-atom Molecular Dynamics (MD) simulations were used investigate influence protein charge distribution on capacity. The simultaneous ?-chymotrypsin and lysozyme cation exchanger, SP Sepharose FF, was studied through MD compared macroscopic is...
Avidin that had been coupled to Sepharose 4B activated with CNBr retained over 90% of its biotin-binding capacity. When low concentrations of CNBr were used about 75% of the protein could be removed from the Sepharose by washing with guanidinium chloride (6 m). The remaining 25%, the covalently bound subunits, had an almost undiminished capacity for biotin but a decreased affinity. Addition of ...
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