Results 151 to 160 of about 2,940 (212)

Integration of Single Pass Tangential Flow Filtration and High Performance Countercurrent Membrane Purification for Intensification of Monoclonal Antibody Processing. [PDF]

Biotechnol Bioeng
Minervini M, Mohammadzadehmarandi A, Behboudi A, Oppenheim SF, Zydney AL.   +4 more
europepmc   +1 more source

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Countercurrent chromatography

Journal of Proteomics, 1981
Countercurrent chromatography is a newly developed versatile partition chromatography which totally eliminates the use of solid supports. The method utilizes the intriguing hydrodynamic behavior of two immiscible solvents in a rotating coiled tube. Various types of seal-free flow-through centrifuge schemes are introduced to facilitate a continuous ...
Yoichirô Itô
exaly   +4 more sources

Gradient Elution in Countercurrent Chromatography

Planta Medica, 2015
Countercurrent chromatography is a form of liquid-liquid partition chromatography in which the stationary liquid phase is retained in the apparatus without the use of a solid support. Gradient elution in countercurrent chromatography can be used in many different ways, such as linear gradients, stepwise elution gradients, pH gradients, etc.
Gilda Guimarães Leitao, Fernanda Das Neves Costa   +1 more
exaly   +3 more sources

Countercurrent chromatography: People and applications

Journal of Chromatography A, 2009
The scientific literature was scanned for the published research articles dealing with countercurrent chromatography (CCC) over the time period 1980-May 2008. The search returned 1638 articles that were analyzed focussing on people and applications. Concerning the people, it was found that the geographical location of the CCC authors was relatively ...
A, Berthod, M J, Ruiz-Angel, S, Carda-Broch   +2 more
openaire   +3 more sources

pH-zone-refining countercurrent chromatography

Journal of Chromatography A, 1996
A recently developed preparative technique, pH-zone-refining countercurrent chromatography (CCC), separates organic acids and bases according to their pKa and hydrophobicity. The hydrodynamic mechanism of pH-zone-refining CCC is illustrated in two elution modes along with a simple mathematical analysis.
Yoichirô Itô
exaly   +3 more sources

Modern countercurrent chromatography

, 2008
Countercurrent chromatography (CCC) is experiencing a renaissance and offers a variety of benefits for preparative chromatography. This technique is useful for the isolation of natural products and can eliminate some of the problems associated with solid-phase adsorbents.
Marston, Andrew, Hostettmann, Kurt
openaire   +2 more sources

Isolation of dimeric, trimeric, tetrameric and pentameric procyanidins from unroasted cocoa beans (Theobroma cacao L.) using countercurrent chromatography

Food Chemistry, 2015
The main procyanidins, including dimeric B2 and B5, trimeric C1, tetrameric and pentameric procyanidins, were isolated from unroasted cocoa beans (Theobroma cacao L.) using various techniques of countercurrent chromatography, such as high-speed ...
Tuba Esatbeyoglu, Peter Winterhalter
exaly   +2 more sources

Droplet Countercurrent Chromatography

Science, 1970
A new form of countercurrent chromatography, named droplet countercurrent chromatography, has been developed. This all-liquid separation technique is based on the partitioning of solute between a steady stream of droplets of moving phase and a column of surrounding stationary liquid phase.
T, Tanimura, J J, Pisano, Y, Ito, R L, Bowman   +3 more
openaire   +2 more sources

Computer aided experimentation in countercurrent reaction chromatography and simulated countercurrent chromatography

Chemical Engineering Science, 1988
Abstract A continuous countercurrent moving bed chromatographic reactor, and a simulated countercurrent moving bed apparatus have been interfaced with a laboratory microcomputer for data acquisition and computer control. Simulation of a countercurrent moving bed is accomplished by switching a feedstream sequentially through a series of columns ...
Barry B. Fish, Robert W. Carr, Rutherford Aris   +2 more
openaire   +1 more source

Countercurrent chromatography meets MS

Nature, 1989
Interfacing countercurrent chromatography with thermospray mass spectrometry provides a new analytical tool for detecting nonvolatile, hydrophilic or thermally unstable bioactive natural products.
Y W, Lee, R D, Voyksner
openaire   +2 more sources