Results 21 to 30 of about 75,944 (308)

Targeted Separation of COX-2 Inhibitor from Pterocephalus hookeri Using Preparative High-Performance Liquid Chromatography Directed by the Affinity Solid-Phase Extraction HPLC System

open access: yesMolecules, 2021
Pterocephalus hookeri, as a kind of popular traditional Tibetan medicine, is reputed to treat inflammatory related diseases. In the present work, a cyclooxygenase-2 functionalized affinity solid-phase extraction HPLC system was developed and combined ...
Yunhe Zhu   +8 more
doaj   +1 more source

Two-step separation of nostotrebin 6 from cultivated soil cyanobacterium (Nostoc sp.) by high performance countercurrent chromatography [PDF]

open access: yes, 2014
High performance countercurrent chromatography (HPCCC) was successfully applied for the separation of nostotrebin 6 from cultivated soil cyanobacteria in a two-step operation.
Berthod   +13 more
core   +2 more sources

Preparation of organic light-emitting diode using coal tar pitch, a low-cost material, for printable devices. [PDF]

open access: yesPLoS ONE, 2013
We have identified coal tar pitch, a very cheap organic material made from coal during the iron-making process, as a source from which could be obtained emissive molecules for organic light-emitting diodes.
Miki Yamaoka   +6 more
doaj   +1 more source

Study of the mass transfer phenomena involved in an electrophoretic membrane contactor [PDF]

open access: yes, 2001
Electrophoretic separators, in which a porous membrane is used as a contactor, offer the possibility to scale up electrophoresis as well as to extend the field of application of electrodialysis to fractionate polyamino acids, peptides or small proteins ...
Galier, Sylvain   +1 more
core   +2 more sources

A rapid, preparative separation of methio [PDF]

open access: yesJournal of Chromatography A, 1967
Peer Reviewed ; http://deepblue.lib.umich.edu/bitstream/2027.42/33392/1/0000791 ...
Brink, John J., Sellinger, Otto Z.
openaire   +2 more sources

Characterization of preparation for fat separators

open access: yesNova Biotechnologica et Chimica, 2021
Fats, oils and greases in waste water frequently cause serious environmental problems. A commercial preparation was tested for its ability to degrade oil and grease in wastewater. As substrates, two fats (lard and beef fat) and four oils (rape seed oil, sunflower oil, palm oil and olive oil) were chosen.
Kateřina Illková   +3 more
openaire   +2 more sources

Liquid chromatographic strategies for separation of bioactive compounds in food matrices [PDF]

open access: yes, 2018
Nowadays, there is an increasing attention for nutraceuticals and, in general, bioactive compounds naturally present in food. Indeed, the possibility of preserving human health and preventing disease (e.g., cardiovascular diseases, cancer etc.) by the ...
Capriotti, Anna Laura   +5 more
core   +1 more source

Isolation of some high-boiling or ganometallic compounds by preparative gas chromatography

open access: yesТонкие химические технологии, 2016
Preparative gas chromatography is proposed to isolate some high-boiling organometallic compounds. Isolation of high-boiling substances should be conducted at a column temperature significantly below the boiling point, because most isolated compounds are ...
G. N. Turkeltaub, E. A. Chernyshev
doaj   +1 more source

Isolation of Acidic, Basic and Neutral Metalloproteins by QPNC-PAGE [PDF]

open access: yes, 2010
A standard protocol for isolating metalloproteins in complex biological samples is presented using quantitative preparative native continuous polyacrylamide gel electrophoresis (QPNC ...
Bernd Kastenholz, David E. Garfin
core   +2 more sources

Quantitative Preparative Native Continuous Polyacrylamide Gel Electrophoresis (QPNC-PAGE) [PDF]

open access: yes, 2008
QPNC-PAGE, or quantitative preparative native continuous polyacrylamide gel electrophoresis, is a high-resolution technique applied in biochemistry and bioinorganic chemistry to separate proteins by isoelectric point.
Bernd Kastenholz
core   +2 more sources

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