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Flow field-flow fractionation (FIFFF) is a separation technique in which macromolecules and particles are separated by the combined actions of an axial flow and a perpendicular cross-flow (8).
The informative new 12-page brochure is available in both hard copy and PDF file format, and provides scientific insight into the benefits of asymmetrical Flow Field-Flow Fractionation (AF4) for the separation of inhomogeneous solutions and suspensions.
Further examples of topics presented include separation of alkaloids by countercurrent chromatography, application of capillary electrochromatography to biopolymers and pharmaceuticals, concentration of dilute colloidal samples by field- flow fractionation, laser-induced fluorescence detection for capillary electrophoresis, mass transfer between phases, molecularly imprinted polymers for affinity chromatography, metal-ion enrichment by countercurrent chromatography, photodiode-array detection, rotation locular countercurrent chromatography, quantitation by external and internal standards, systematic selection of solvent systems for high speed countercurrent chromatography, and cold wall effects in thermal field-flow fractionation.