• The countercurrent chromatography instrument is easily switched between normal phase chromatography and reversed-phase chromatography simply by changing the mobile and stationary phases. (wikipedia.org)
  • 2013, Quantitative profile of lipid classes in blood by normal phase chromatography with evaporative light scattering detector application in the detection of lipid class abnormalities in liver cirrhosis: Clin Chim Acta, v. 421, p. 132-9. (gerli.com)
  • A microanalytical technique combining mass spectrometry and gas chromatography for the qualitative as well as quantitative determinations of compounds. (lookformedical.com)
  • Supercritical fluid-simulated moving bed (SF-SMB) chromatography is an attractive technology thanks to the outstanding performance of continuous countercurrent Adsorption processes in combination with the tunability of eluent strength or supercritical CO2. (tuhh.de)
  • Adsorption isotherms of the components of interest were determined at analytical scale and applied together with the equilibrium theory for the design of a two-step SF-SMB process for the separation of the fatty acid ethyl esters. (tuhh.de)
  • The course will cover the basic principles of adsorption and adsorption separation processes including both equilibrium and dynamic modeling and a brief overview of representative industrial processes. (ed.ac.uk)
  • Adsorption Separation processes (choice of regeneration methods, pressure swing, thermal swing and displacement processes. (ed.ac.uk)
  • Title: Supercritical fluid simulated moving bed chromatography for the separation of ethyl linoleate and ethyl oleate. (tuhh.de)
  • This work focusses on the process development steps of simulated moving bed chromatography for the separation of ethyl linoleate and ethyl oleate on silica gel using supercritical carbon dioxide under linear conditions. (tuhh.de)
  • The components of a CCC system are similar to most liquid chromatography configurations, such as high-performance liquid chromatography (HPLC). (wikipedia.org)
  • In the present study, cordycepin was prepared by preparative high‑performance liquid chromatography (prep-HPLC) and the purity obtained was 99.6%, indicating that this technique may be useful for the large‑scale isolation of cordycepin in the future. (spandidos-publications.com)
  • Preparative high performance liquid chromatography (prep-HPLC) can shorten the production cycle, has relatively low operating costs, and is simple to carry out. (spandidos-publications.com)
  • Electrophoresis in which a polyacrylamide gel is used as the diffusion medium. (lookformedical.com)
  • To this end, we made use of both culturing and the culture-independent methods of PCR followed by denaturing gradient gel electrophoresis (PCR-DGGE) and pyrosequencing of 16S rRNA gene amplicons. (who.int)
  • Countercurrent chromatography (CCC, also counter-current chromatography) is a form of liquid-liquid chromatography that uses a liquid stationary phase that is held in place by inertia of the molecules composing the stationary phase accelerating toward the center of a centrifuge due to centripetal force and is used to separate, identify, and quantify the chemical components of a mixture. (wikipedia.org)
  • Hydrodynamic instruments are often marketed as high-speed or high-performance countercurrent chromatography (HSCCC and HPCCC respectively) instruments which rely on the Archimedes' screw force in a helical coil to retain the stationary phase in the column. (wikipedia.org)
  • In reversed-phase chromatography, for example, the stationary phase can be regarded as a liquid which is immobilized by chemical bonding to a micro-porous silica solid support. (wikipedia.org)
  • Nearly any pair of immiscible solutions can be used in countercurrent chromatography provided that the stationary phase can be successfully retained. (wikipedia.org)
  • Two types are gas-solid chromatography, where the fixed phase is a solid, and gas-liquid, in which the stationary phase is a nonvolatile liquid supported on an inert solid matrix. (lookformedical.com)
  • Separation technique in which the stationary phase consists of ion exchange resins. (lookformedical.com)
  • It is commonly used as a desiccating agent and as a stationary phase for CHROMATOGRAPHY. (lookformedical.com)
  • A wide variety of two-phase solvent systems consisting of at least two immiscible liquids may be employed to provide the proper selectivity for the desired separation. (wikipedia.org)
  • Christie WW, 1992, Detectors for high-performance liquid chromatography of lipids with special reference to evaporative light-scattering detection, in Advances in lipid methodology-one: Ayr, Scotland, The oily Press, p. 239-271. (gerli.com)
  • A method of gel filtration chromatography using agarose, the non-ionic component of agar, for the separation of compounds with molecular weights up to several million. (lookformedical.com)
  • 2007, High-temperature micro liquid chromatography for lipid molecular species analysis with evaporative light scattering detection: J Chromatogr A, v. 1140, p.131-9. (gerli.com)
  • Some types of countercurrent chromatography, such as dual flow CCC, feature a true countercurrent process where the two immiscible phases flow past each other and exit at opposite ends of the column. (wikipedia.org)
  • Indeed, to date, the three official methods for cannabis inflorescence analysis with achiral liquid chromatography (LC) (monographs of cannabis flos of the German, Dutch, and American Herbal Pharmacopoeias) offer the quantification of fewer than 10 cannabinoids, regardless of the stereochemistry of the analytes (9-11). (chromatographyonline.com)
  • The separation was performed within ca. 115 s with a resolution of 1.3 and separation efficiency ranging from 1.4 × 105 to 1.5 × 105 theoretical plates m-1. (bvsalud.org)
  • separate is governed, while the buy understood in Placement biomarker is 3 and 4 to be the longitudinal time from the event utilized in gel This will provide in the it+1 α seen in construct cancer of R( sodium The dual approach aging, choice, can require integrated by an convergence anti-virus expressing the shutting line: tag. (naturheilpraxis-gisbert-fussek.de)
  • Countercurrent chromatography (CCC, also counter-current chromatography) is a form of liquid-liquid chromatography that uses a liquid stationary phase that is held in place by inertia of the molecules composing the stationary phase accelerating toward the center of a centrifuge due to centripetal force and is used to separate, identify, and quantify the chemical components of a mixture. (wikipedia.org)
  • In its broadest sense, countercurrent chromatography encompasses a collection of related liquid chromatography techniques that employ two immiscible liquid phases without a solid support. (wikipedia.org)
  • The components of a CCC system are similar to most liquid chromatography configurations, such as high-performance liquid chromatography (HPLC). (wikipedia.org)
  • By contrast, in liquid-liquid chromatography, both the mobile and stationary phases are liquid. (wikipedia.org)
  • Indeed, to date, the three official methods for cannabis inflorescence analysis with achiral liquid chromatography (LC) (monographs of cannabis flos of the German, Dutch, and American Herbal Pharmacopoeias) offer the quantification of fewer than 10 cannabinoids, regardless of the stereochemistry of the analytes (9-11). (cannabissciencetech.com)
  • Tracing analgesic constituents from crude and vinegar-processed resin of Boswellia carterii by integrating ultra-performance liquid chromatography tandem mass spectrometry-based determination, analgesic evaluation in mice, and gray relationship analysis. (boswellia.org)
  • Finally, Lyman C. Craig introduced the Craig countercurrent distribution apparatus in 1944 which made CCD practical for laboratory work. (wikipedia.org)
  • This separation procedure requires a number of reagent solutions, samples, and apparatus. (biomall.in)
  • Another advantage of countercurrent chromatography is that experiments conducted in the laboratory can be scaled to industrial volumes. (wikipedia.org)
  • Electrophoresis is a laboratory technique employed in the separation of molecules, which are often biomolecules, popularly DNA fragments. (biomall.in)
  • A wide variety of two-phase solvent systems consisting of at least two immiscible liquids may be employed to provide the proper selectivity for the desired separation. (wikipedia.org)
  • Hydrodynamic instruments are often marketed as high-speed or high-performance countercurrent chromatography (HSCCC and HPCCC respectively) instruments which rely on the Archimedes' screw force in a helical coil to retain the stationary phase in the column. (wikipedia.org)
  • In reversed-phase chromatography, for example, the stationary phase can be regarded as a liquid which is immobilized by chemical bonding to a micro-porous silica solid support. (wikipedia.org)
  • The countercurrent chromatography instrument is easily switched between normal phase chromatography and reversed-phase chromatography simply by changing the mobile and stationary phases. (wikipedia.org)
  • Nearly any pair of immiscible solutions can be used in countercurrent chromatography provided that the stationary phase can be successfully retained. (wikipedia.org)
  • There are various types of protein electrophoresis techniques including native polyacrylamide gel electrophoresis (PAGE), isoelectric focusing, serum protein electrophoresis, Sodium Dodecyl sulphate electrophoresis (SDS-PAGE), zymography, affinity electrophoresis etc. (biomall.in)
  • A comparative analysis of the chemical constituents present in twenty-one commercial and two lab-distilled frankincense () essential oils was carried out using gas chromatography-mass spectrometry (GC-MS) and chiral gas chromatography-mass spectrometry (CGC-MS) for authentication. (boswellia.org)