Results 91 to 100 of about 729,330 (210)

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  

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

Purification, Characterization and Antioxidant Activities <em>in Vitro</em><em> </em>and <em>in Vivo</em> of the Polysaccharides from <em>Boletus edulis</em> Bull

open access: yesMolecules, 2012
A water-soluble polysaccharide (BEBP) was extracted from <em>Boletus edulis </em>Bull using hot water extraction followed by ethanol precipitation.
Yijun Fan   +3 more
doaj   +1 more source

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

Differential effects of DEAE negative mode chromatography and gel-filtration chromatography on the charge status of Helicobacter pylori neutrophil-activating protein. [PDF]

open access: yes, 2017
Helicobacter pylori neutrophil-activating protein (HP-NAP) is involved in H. pylori-associated gastric inflammation. HP-NAP is also a vaccine candidate, a possible drug target, and a potential diagnostic marker for H.
Huey-Fen Tzeng   +4 more
core   +1 more source

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  

Purification and Characterization of Streptomyces sp. IK Chitinase

open access: yesIndonesian Journal of Biotechnology, 2015
Streptomyces sp. IK isolated from compost inoculants, could produce extra cellular chitinase in a medium containing 0.2% (w/v) colloidal chitin, fermented for 96 hours at 30oC.
Sebastian Margino   +2 more
doaj  

The study of correlations between B-Lactamase and protein A in Staphylococcus aureus

open access: yesMajallah-i Dānishgāh-i ̒Ulūm-i Pizishkī-i Bābul, 2000
Objective: Staphylococcus aureus is the type species and pathogen of human. There is some factors that determines the virulence of bacteria, but protein A and B-Lactamase are the most important factors.
R Kasra Kermanshahi   +2 more
doaj  

Cellulose from the green macroalgae Ulva lactuca: isolation, characterization, optotracing, and production of cellulose nanofibrils

open access: yes, 2020
We report (1) successful extraction and characterization of cellulose from northern hemisphere green macroalgae Ulva lactuca (Ulva fenestrata) collected along the Swedish west coast and cultivated indoors under controlled conditions, followed by (2) its ...
Pavia, Henrik   +44 more
core   +1 more source

PURIFICATION AND CHARACTERIZATION OF PEROXIDASE FROM MORINGA OLEIFERA L. LEAVES

open access: yesBioResources, 2012
Peroxidase catalyzes the oxidation of various electron donor substrates such as phenol and aromatic amines in the presence of hydrogen peroxide. In this study, peroxidase was purified 164-fold from the leaves of Moringa oleifera L. with a recovery of 28%
Shahanaz Khatun,   +5 more
doaj  

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