Results 11 to 20 of about 132,429 (302)

Scale-up of Aflatoxin Purification by Centrifugal Partition Chromatography

open access: yesToxins, 2023
Aflatoxins (AFs) are a group of secondary metabolites that cause several diseases in both animals and humans. Since the discovery of this group of toxins, several effects were revealed, such as hepatic changes, carcinoma, failure, and cancer of the liver.
Gábor Endre   +5 more
doaj   +1 more source

High speed counter current chromatography: A support-free LC technique

open access: yesJournal of Pharmacy and Bioallied Sciences, 2009
As separation of components is the major requirement of an analytical chemist, there is always a need for a convenient high throughput technique with minimum sample loss, high efficiency, high resolution, and ease of sample recovery, without ...
Neha Sethi   +5 more
doaj   +3 more sources

Alternative Extraction and Downstream Purification Processes for Anthocyanins

open access: yesMolecules, 2022
Anthocyanins are natural pigments displaying different attractive colors ranging from red, violet, to blue. These pigments present health benefits that increased their use in food, nutraceuticals, and the cosmetic industry.
Ana N. Nunes   +4 more
doaj   +1 more source

Easy Computation of the Various Topologies and Modes of Liquid–Liquid Partition Chromatography by the Theory of Random Walks

open access: yesSeparations, 2021
The article revisits the discrete recurrence method to model the instruments of liquid–liquid partition chromatography as counter-current chromatography (CCC) and centrifugal partition chromatography (CPC).
Frédéric R. Dijoux, Tsvetelina Mandova
doaj   +1 more source

Facilitating insight into a simulation model using visualization and dynamic model previews [PDF]

open access: yes, 2012
This paper shows how model simplification, by replacing iterative steps with unitary predictive equations, can enable dynamic interaction with a complex simulation process.
Cribbin, T, de Folter, J
core   +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

Development and Testing of a 4-Columns Periodic Counter-Current Chromatography System Based on Membrane Adsorbers

open access: yesSeparations, 2019
Continuous chromatography can surmount the disadvantages of batch chromatography like low productivities and extensive usage of consumables. In this work, a 4-column continuous chromatographic system based on the principle of periodic counter-current ...
Chantal Brämer   +3 more
doaj   +1 more source

Application of Preparative High-Speed Counter-Current Chromatography for the Separation of Two Alkaloids from the Roots of Tabernaemontana catharinensis (Apocynaceae)

open access: yesMolecules, 2011
The methanolic extract of Tabernaemontana catharinensis (Apocynaceae) roots, which contains alkaloids with several biological activities, was separated on a preparative scale using high-speed counter-current chromatography. The optimum solvent system was
Raimundo Braz-Filho   +3 more
doaj   +1 more source

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

Isolamento do alcalóide ricinina das folhas de Ricinus communis (Euphorbiaceae) através de cromatografias em contracorrente Isolation of the alkaloid ricinine from the leaves of Ricinus communis (Euphorbiaceae) through counter-current chromatography

open access: yesQuímica Nova, 2005
Droplet counter-current chromatography, rotation locular counter-current chromatography and high-speed counter-current chromatography were applied to the preparative separation of the alkaloid ricinine from the dichloromethane extracts of Ricinus ...
Ana Cristina Leite   +5 more
doaj   +1 more source

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