Results 81 to 90 of about 73,919 (251)

Ion exchange chromatography – basic principles and application [PDF]

open access: yes, 2011
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

open access: yesIbn Al-Haitham Journal for Pure and Applied Sciences, 2017
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

open access: yesMolecules
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

Purification of phospholipase B from Penicillium notatum by hydrophobic chromatography on palmitoyl cellulose.

open access: yesJournal of Lipid Research, 1980
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]

open access: yes, 1999
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

Measurement and purification of Alanine aminotransferase (ALT) enzyme activity in patients with celiac disease

open access: yesمجلة بغداد للعلوم, 2017
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 derivation of the formyl-group oxygen of chlorophyll b in higher plants from molecular oxygen. [PDF]

open access: yes, 1994
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]

open access: yes, 1983
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  

Purificación del componente C1s del sistema complemento y obtención de un antisuero específico Purification of the C1s component of the complement system and obtention of a specific antiserum

open access: yesRevista Cubana de Hematología, Inmunología y Hemoterapia, 1999
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  

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