Results 81 to 90 of about 73,919 (251)
Ion exchange chromatography – basic principles and application [PDF]
Ion-Exchange Chromatography (IEC) allows for the separation of ionizable molecules on the basis of differences in charge properties. Its large sample-handling capacity, broad applicability (particularly to proteins and enzymes), moderate cost, powerful ...
Cummins, Phil +2 more
core
Purification of algnic acid by Local isolate of Azotobacter Vinelandi
The bacteria Azotobacter Vinelandii was taken from a central research in Baghdad, The purification of alginic acid which produced from the bacteria by several steps starting with precipitation with isopropanol (3:1) v/v , Washing by ppt with 100ml of ...
J.I. Mahdi, M.R. Ali, H.M. Hamza
doaj
Isolation, Purification, Fractionation, and Hepatoprotective Activity of Polygonatum Polysaccharides
In this study, three homogeneous fractions, PSP-N-b-1, PSP-N-b-2, and PSP-N-c-1, were obtained from an aqueous extract of Polygonatum using DEAE cellulose column chromatography, CL-6B agarose gel chromatography, and Sephadex G100 chromatography.
Yutong Wang +3 more
doaj +1 more source
Phospholipase B (lysolecithin acyl-hydrolase, EC 3.1.1.5) from the mycelia of Penicillium notatum (Institute for Fermentation, Osaka, Japan; No.4640) was adsorbed from a crude solution to palmitoyl cellulose. Adsorption was efficient at pH 4 at low ionic
S Imamura, Y Horiuti
doaj +1 more source
Not more than three tissue kallikreins identified from organs of the guinea pig [PDF]
The large and varied multigene families of tissue kallikreins of rat and mouse are considered to selectively release as many bioactive peptides. In order to determine whether a similar family of enzymes is expressed in the organs of the guinea pig ...
Geiger +6 more
core +1 more source
Celiac disease (CD) is the most common genetically - based disease in correlation with food intolerance. The aim of this study is to measure the activity of ALT enzyme and purify enzyme from sera women with celiac disease.
Taghreed U. Mohammed +2 more
doaj +1 more source
The biosynthesis of the flavin moiety of dihydroorotic dehydrogenase of zymobacterium oroticum [PDF]
Thesis (M.A.)--Boston ...
Chen, John Heng
core
The derivation of the formyl-group oxygen of chlorophyll b in higher plants from molecular oxygen. [PDF]
The mechanism of formation of the formyl group of chlorophyll b has long been obscure but, in this paper, the origin of the 7-formyl-group oxygen of chlorophyll b in higher plants was determined by greening etiolated maize leaves, excised from dark-grown
Abraham R. J. +27 more
core +1 more source
Cloned mouse cells with natural killer function and cloned suppressor T cells express ultrastructural and biochemical features not shared by cloned inducer T cells. [PDF]
We have examined the morphology, cytochemistry, and biochemistry of mouse leukocyte subsets by analyzing cloned leukocyte populations specialized to perform different immunologic functions.
Cantor, H +10 more
core
Se describe un método de purificación del componente C1s del sistema complemento a partir de una mezcla de sueros normales mediante cromatografías secuenciales en DEAE-celulosa, TEAE-celulosa y Sephacryl S-200.
Ada A Arce Hernández +2 more
doaj

