Results 21 to 30 of about 9,566 (219)

Automated Image Analysis for Retention Determination in Centrifugal Partition Chromatography

Separations, 2022
In Centrifugal Partition Chromatography, two immiscible liquids are used as mobile and stationary phases. During operation, bleeding of the stationary phase cannot be eliminated completely.
Felix Buthmann, Florian Pley, Gerhard Schembecker, Jörg Koop   +3 more
doaj   +1 more source

Profiling and Isolation of Ten Rare Branched-Chain Alkylresorcinols in Quinoa

Molecules, 2023
Alkylresorcinols (∑ARs) are bioactive lipid compounds predominantly found in cereals. These amphiphilic compounds exist in a high structural diversity and can be divided into two main groups, i.e., 5-alkylresorcinols (ARs) and 2-methyl-5-alkylresorcinols
Tim Hammerschick, Walter Vetter
doaj   +1 more source

Chilean Rhubarb, Gunnera tinctoria (Molina) Mirb. (Gunneraceae): UHPLC-ESI-Orbitrap-MS Profiling of Aqueous Extract and its Anti-Helicobacter pylori Activity

Frontiers in Pharmacology, 2021
The full UHPLC-MS metabolome fingerprinting and anti-Helicobacter pylori effect of Gunnera tinctoria (Molina) Mirb. (Nalca) total extract (GTE) and fractions prepared from its edible fresh petioles were evaluated. The activity of G.
Sonja Hebel-Gerber, Sonja Hebel-Gerber, Apolinaria García-Cancino, Angélica Urbina, Mario J. Simirgiotis, Javier Echeverría, Luis Bustamante-Salazar, Katia Sáez-Carrillo, Julio Alarcón, Edgar Pastene-Navarrete, Edgar Pastene-Navarrete   +10 more
doaj   +1 more source

Bioactivity-Guided Single-Step Isolation of Stachyspinoside from Sideritis congesta by Centrifugal Partition Chromatography

Journal of Chemistry, 2021
Sideritis congesta is a plant native to Mediterranean countries. Infusions of this plant are used to treat various diseases. The anti-inflammatory potential of Sideritis species is widely known.
Julian Osthoff, Christophe Carola, Andrew Salazar, Joerg von Hagen   +3 more
doaj   +1 more source

Isolation of Mirificin and Other Bioactive Isoflavone Glycosides from the Kudzu Root Lyophilisate Using Centrifugal Partition and Flash Chromatographic Techniques

Molecules, 2022
Pueraria lobata (Willd.) Ohwi is a legume taxon native to Southeast Asia and widely used in traditional medicine systems of that region. The therapeutic applications of the underground parts of this species (known as kudzu root) are related to its high ...
Magdalena Maciejewska-Turska, Łukasz Pecio, Grażyna Zgórka   +2 more
doaj   +1 more source

Countercurrent chromatography in analytical chemistry (IUPAC technical report) [PDF]

, 2009
© 2009 IUPACCountercurrent chromatography (CCC) is a generic term covering all forms of liquid-liquid chromatography that use a support-free liquid stationary phase held in place by a simple centrifugal or complex centrifugal force field. Biphasic liquid
Abbey, Abe, Abe, Abe, Akiba, Akiba, Akiba, Alain Berthod, Bauer, Bauer, Berthod, Berthod, Berthod, Berthod, Berthod, Berthod, Billardello, Boris Spivakov, Chen, Chen, Chen, Chen, Chmutova, Chmutova, Chmutova, Conway, Conway, Conway, Countercurrent Chromatography, Dekker, Fedotov, Fitz, Friesen, Fujita, Garcia Dominguez, Hashimoto, Hashimoto, Ian A. Sutherland, Ikai, Ito, Ito, Ito, Ito, Ito, Jin, Jin, Jin, Kawamura, Kawamura, Kidwell, Kitazume, Kitazume, Kitazume, Kitazume, Kitazume, Kong, Lee, Lee, Lee, Lee, Liu, Ma, Ma, Mandava, Mandava, Marston, Marston, Marston, Maryutina, Maryutina, Maryutina, Maryutina, Maryutina, Matsuda, Menet, Muralidharan, Nakamura, Nakamura, Oleg Shpigun, Pauli, Pukhovskaya, Ruiz, Ruiz, Ruth, Schaufelberger, Schaufelberger, Schreiber, Shang, Spivakov, Spivakov, Spivakov, Stark, Sutherland, Tanaka, Tatyana Maryutina, Thurman, Tian, Usuda, Usuda, Wang, Wang, Watkins, Winterhalter, Wood, Wu, Yanagida, Yang, Yang, Yang, Yoshida, Yu, Zhang, Zhang   +112 more
core   +2 more sources

Purification of gangliosides by liquid-liquid partition chromatography

Journal of Lipid Research, 2008
A liquid-liquid partition chromatographic technique was applied to separate amphiphilic glycolipids. A two-phase solvent system composed of n-butanol-t-butyl methyl ether-acetonitrile-water at a volume ratio of 3:1:1:5 was found to be suitable for ...
Tomohisa Kato, Kenichi Hatanaka
doaj   +1 more source

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

, 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, Cavaliere, Chiara, La Barbera, Giorgia, Laganà, Aldo, Montone, Carmela Maria, Piovesana, Susy   +5 more
core   +1 more source

New Technologies in Manufacture of Original Medical Preparations

Eurasian Chemico-Technological Journal, 2018
The progressive, ecologically pure technologies of isolation of sesquiterpene €-lactones of plant originwere examined in this article. The original phytopreparations were developed on their basis.
Ye. G. Tolokonnikov
doaj   +1 more source

Chiral separation by enantioselective liquid–liquid extraction [PDF]

, 2011
The literature on enantioselective liquid–liquid extraction (ELLE) spans more than half a century of research. Nonetheless, a comprehensive overview has not appeared during the past few decades.
Feringa, Ben L.,, Heeres, Hero J.,, Minnaard, Adriaan J.,, Schuur, Boelo,, Verkuijl, Bastiaan J.V.,, Vries, Johannes G. de,   +5 more
core   +3 more sources