Results 141 to 150 of about 1,452 (205)

A Study on the Separation of Nitric Acid and Acetic Acid from Simulated Reprocessing Waste by TBP Extraction. [PDF]

Molecules
Lv H, Ge X, He T, Li B, Li T, Wang H, Yuan Z, Yang Q, Yan T.   +8 more
europepmc   +1 more source

HSCCC Straightforward Fast Preparative Method for Isolation of Two Major Cytotoxic Withanolides from Athenaea fasciculata (Vell.) I.M.C. Rodrigues & Stehmann. [PDF]

Plants (Basel)
Marques AM, Brito LC, Figueiredo MR.
europepmc   +1 more source

Profiling of sesquiterpenoid fractions from <i>Artemisia annua</i> L. and testing their <i>in vitro</i> anti-SARS-CoV-2 activity. [PDF]

Biomol Biomed
Gušić I, Terzić I, Eterović T, Softić A, Goletić Š, Goletić T, Nikolić D, Korić E, Bijelić K, Nikšić H, Vidović S, Durić K.   +11 more
europepmc   +1 more source

Phase Diagram-Enabled Curcumin Isolation and Purification by Utilizing Resorcinol as Cocrystal Former and Additive. [PDF]

ACS Omega
Weng YR, Huang YH, Wu JW, Pratama DE, Lee T.   +4 more
europepmc   +1 more source

Antifungal Properties of Bioactive Compounds Isolated from Fucus vesiculosus Supercritical Carbon Dioxide Extract. [PDF]

Molecules
Tyśkiewicz K, Rüttler F, Tyśkiewicz R, Nowak A, Gruba M, Wziątek A, Dębczak A, Sandomierski M, Vetter W.   +8 more
europepmc   +1 more source

A review on extraction, isolation, characterization of bioactive compounds obtained from agri-food waste and their potential for industrial application. [PDF]

Front Chem
Njewa JB, Monjerezi M, Kabanga L, Kumwenda F, Sumani J.   +4 more
europepmc   +1 more source

Retention of the stationary phase for high‐speed countercurrent chromatography

AIChE Journal, 2007
AbstractHigh‐speed countercurrent chromatography (HSCCC) is an emerging technique for preparative purification of a wide variety of solutes. Retention of the stationary phase is a crucial variable which is used for the derivation of the column efficiency, peak resolution, and solute retention.
He, Chao-Hong, Zhao, Chun-Xia
openaire   +4 more sources

Mass transfer and separation criteria for high‐speed countercurrent chromatography

AIChE Journal, 2011
AbstractHigh‐speed countercurrent chromatography (HSCCC) is a versatile technique for preparative separations of a wide variety of solutes. For optimization of operating conditions, prediction of separations, and scale‐up study, a model is needed to describe the effluent concentration profile, which determines the separation efficiency (mass transfer ...
Zhao, Chun-Xia, He, Chao-Hong
openaire   +4 more sources

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Isolation of Sceletium alkaloids by high-speed countercurrent chromatography

Phytochemistry Letters, 2011
Abstract The alkaloids of Sceletium tortuosum (Mesembryanthemaceae) exhibit important pharmacological properties and are used for the treatment of psychiatric and psychological conditions, including depression, anxiety, drug dependence, bulimia and obsessive-compulsive disorder.
Alvaro Viljoen, Sandra Combrinck
exaly   +2 more sources

Characterization of Pigments from Different High Speed Countercurrent Chromatography Wine Fractions

Journal of Agricultural and Food Chemistry, 2005
A red wine, made from Cabernet Sauvignon (60%) and Tannat (40%) cultivars, was fractionated by high speed countercurrent chromatography (HSCCC). The biphasic solvent system consisting of tert-butyl methyl ether/n-butanol/acetonitrile/water (2/2/1/5, acidified with 0.1% trifluoroacetic acid) was chosen for its demonstrated efficiency in separating ...
Salas, Erika, Dueñas, Montserrat, Schwarz, Michael, Winterhalter, Peter, Cheynier, Veronique, Fulcrand, Hélène   +5 more
openaire   +5 more sources