• A novel stationary phase for capillary electrochromatography has been prepared via photoinitiated grafting of two layers of polymer chains onto the pore surface of a porous polymer monolith. (edu.sa)
  • Lynen F, BUICA A, De Villiers A, CROUCH A, Sandra P. An efficient slurry packing procedure for the preparation of columns applicable in capillary electrochromatography and capillary electrochromatography-electrospray-mass spectrometry. (ugent.be)
  • In English Nanoparticles were used as a pseudostationary phase in capillary electrochromatography (CEC) electrospray ionisation-mass spectrometry (ESI-MS) for separation of both neutral analytes by a reversed phase mechanism, as well as for cationic analytes by a cation exchange mechanism. (lu.se)
  • Capillary columns packed electrokinetically with 1.5-μm nonporous octadecylsilica particles are used to achieve rapid separations with high efficiencies. (semanticscholar.org)
  • Separations of the vitamin-E active compounds in edible oils were evaluated by capillary electrochromatography. (usda.gov)
  • Separations of lipid antioxidants, tocopherols (T), and tocotrienols (T3) on octylsilica (OS), octadecylsilica (ODS), phenylsilica, or silica were studied by capillary electrochromatography (CEC)-UV detection. (usda.gov)
  • Separation efficiencies greater than 700 000 theoretical plates/m are obtained when detection (via UV-excited laser-induced fluorescence) is performed on the packed portion of the capillary. (semanticscholar.org)
  • Below are the most recent publications written about "Capillary Electrochromatography" by people in Profiles. (sickkids.ca)
  • This graph shows the total number of publications written about "Capillary Electrochromatography" by people in this website by year, and whether "Capillary Electrochromatography" was a major or minor topic of these publications. (sickkids.ca)
  • Surfactant bilayers or admicelles at the solid surface-liquid interface inside 50-200 μm inner diameter (i.d.) open-tube fused-silica capillaries were developed as 'soft' stationary pseudophases for the liquid chromatographic (LC) separations of neutral and charged analytes. (edu.au)
  • Several monolithic chiral stationary phases for reversed-phase electrochromatography have been prepared within the confines of untreated fused silica capillaries by the direct copolymerization of the chiral monomer 2-hydroxyethyl methacrylate (N-L-valine-3,5-dimethylanilide) carbamate with ethylene dimethacrylate, 2-acrylamido-2-methyl-1-propanesulfonic acid and butyl or glycidyl methacrylate in the presence of a porogenic solvent. (edu.sa)
  • CE deploys a liquid separation technique using narrow bore, fused, silica capillaries to fractionate molecules. (prnewswire.com)
  • Pressure, voltage or a vacuum is used to introduce the sample to fused silica capillaries. (selectscience.net)
  • The development of this technique has been slowed due to technical problems with packing capillary columns. (dur.ac.uk)
  • In capillary electrochromatography capillaries, packed with HPLC stationary phase, are subjected to a high voltage. (wikipedia.org)
  • Capillary electrochromatography (CEC) combines the principles used in HPLC and CE. (wikipedia.org)
  • The capillaries is packed with HPLC stationary phase and a high voltage is applied to achieve separation is achieved by electrophoretic migration of the analyte and differential partitioning in the stationary phase. (wikipedia.org)
  • DMF is also utilized in chromatographic applications such as HPLC, capillary electrochromatography, and capillary electrophoresis. (sigmaaldrich.com)
  • As a natural expansion, we are contributing to furthering the development of capillary electrochromatography (CEC), a technique that combines the separation principles of both HPLC and CE. (okstate.edu)
  • article{7f6274d2-59e3-4705-a96e-f4bb0009f833, abstract = {Reversed phase continuous full filling capillary electrochromatography with electrospray ionisation mass spectrometric detection was performed with highly sulphated poly [styrene-co-(lauryl methacrylate)-co-(divinylbenzene)] nanoparticles. (lu.se)
  • Colloque International 'Structures Chirales' -- ATP en Collaboration avec le NCRD (Israel) et CNRS (France) , Milly-La Forêt, France, 29.5.1979, Abstract. (uni-tuebingen.de)
  • Popular Abstract in Swedish Vad arbetar en analytisk kemist med? (dissertations.se)
  • Screening method for determining the presence of N-nitrosadiethanolamine in cosmetics by opn-tubular capillary electrochromatography. (safecosmetics.org)
  • A polymer-based neutral monolithic capillary column was prepared by radical polymerization of glycidyl methacrylate and ethylene dimethacrylate in a 100 lam id fused-silica capillary, and the prepared monolithic column was subsequently modified based on a ring opening reaction of epoxide groups with 1 M lysine in solution (pH 8.0) at 75 degrees C for 10 h to produce a lysine chemically bonded stationary phases in capillary column. (dicp.ac.cn)
  • Emphasizing microseparations and microfluidics, the Handbook of Capillary and Microchip Electrophoresis, Third Edition features new chapters describing the use of microchip electrophoresis and associated microtechniques, with a focus on the extraordinary breadth of work undertaken to expand CE methodologies in recent years. (routledge.com)
  • Using the most hydrophilic monolithic capillary column and optimized elution conditions, a separation of N-(3,5-dinitrobenzoyl)leucine diallylamide enantiomers with an efficiency of 61000 plates m -1 and a resolution of 2.0 was achieved. (edu.sa)
  • Novel polar monoliths were introduced for hydrophilic interaction capillary electrochromatography (HI-CEC). (okstate.edu)
  • In the early development of capillary UHPLC, home-built instruments were constructed that eliminated nearly all instrumental effects and gave a direct measure of column efficiency while also allowing for backpressures in excess of 50,000 psi [ 22 , 23 , 24 , 25 , 26 , 27 ]. (mdpi.com)
  • The thesis focuses on the development of new homogeneous gels for the separation of drug enantiomers, peptides, DNA and virus by electrophoresis and electrochromatography in capillaries and microchips. (dissertations.se)
  • Recent developments in capillary electrophoresis and capillary electrochromatography of peptides. (cas.cz)
  • Capillary electrochromatography (CEC) is a chromatographic technique in which the mobile phase is driven through the chromatographic bed by electroosmosis. (wikipedia.org)
  • The parameters (i.e., pH, concentration of surfactant, salt, and methanol in the mobile phase and capillary i.d.) that affected the surprising chromatographic effect of admicelles at the interface were investigated. (edu.au)
  • 000137589 001__ 137589 000137589 005__ 20181203021605.0 000137589 0247_ $$2doi$$a10.1021/ac0109467 000137589 022__ $$a00032700 000137589 037__ $$aARTICLE 000137589 245__ $$aAn Integrated Fritless Colum for On-Chip Capillary Electrochromatography with Conventional Stationary Phases 000137589 260__ $$c2002 000137589 269__ $$a2002 000137589 336__ $$aJournal Articles 000137589 500__ $$a280 000137589 520__ $$aA new polymer device for use with conventional particulate stationary phases for on-chip, fritless, capillary electrochromatography (CEC) has been realized. (epfl.ch)
  • Admicelles were formed in-situ from buffered aqueous mobile phases with cetytrimethylammonium bromide at concentrations between the critical surface aggregation concentration and critical micelle concentration, which were determined by electroosmotic flow measurements using capillary electrophoresis. (edu.au)
  • Electrochromatography is a chemical separation technique in analytical chemistry, biochemistry and molecular biology used to resolve and separate mostly large biomolecules such as proteins. (wikipedia.org)
  • The latex particles on the capillary wall introduced anion-exchange interactions with the analytes, the strength of which could be moderated by the type and concentration of the competing ion used in the background electrolyte (BGE). (edu.au)
  • The effective ion-exchange capacity of the capillary, and also the resulting anion-exchange interactions with the analytes, could be increased by decreasing the capillary diameter. (edu.au)
  • In this study, the separation of acidic compounds by strong anion-exchange capillary electrochromatography (SAX-eEC) was carried cut. (dict.cn)
  • Very recently, we developed a multidimensional platform composed of capillary isoelectric focusing and CEC for human serum proteomics profiling. (okstate.edu)
  • Determination of purity degree and counter-ion content in lecirelin by capillary zone electrophoresis and capillary isotachophoresis. (cas.cz)
  • Transient isotachophoresis in carrier ampholyte-based capillary electrophoresis for protein analysis. (cas.cz)
  • Electroosmosis is the motion of liquid induced by an applied potential across a porous material, capillary tube, membrane or any other fluid conduit. (wikipedia.org)
  • The relationship between the linear velocity u of the liquid in the capillary and the applied electric field is given by the Smoluchowski equation as u = ϵ r ϵ 0 ζ E η {\displaystyle u=\epsilon _{r}\epsilon _{0}\zeta E\eta } where ζ is the potential across the Stern layer (zeta potential), E is the electric field strength, and η is the viscosity of the solvent. (wikipedia.org)
  • A Comparative Study of Capillary Zone Electrophoresis and High-Performance Liquid Cchromatography in the Analysis of Oligonucleotides and DNA. (uni-salzburg.at)
  • To make room for this expansion, we have decided to remove most of the terms referring to capillary electrophoresis (CE) because this technique is rather specialized and not all liquid chromatographers are also performing the various forms of CE. (chromatographyonline.com)
  • A pressurized capillary electrochromatography (pCEC) with monolithic column has been developed for the rapid separation and determination of five structurally related anthraquinones in Rhubarb. (sigmaaldrich.com)
  • This GO-incorporated capillary was then characterized by use of SEM, infrared spectroscopy, and measurements of EOF. (conicet.gov.ar)
  • Lynen F, BUICA A, De Villiers A, CROUCH A, Sandra P. An efficient slurry packing procedure for the preparation of columns applicable in capillary electrochromatography and capillary electrochromatography-electrospray-mass spectrometry. (ugent.be)
  • High-speed capillary electrochromatography was developed on both short and long packed columns with 2 mu m non-porous ODS as the stationary phase. (dicp.ac.cn)
  • Nonaqueous electrochromatography on C30 columns: separation of retinyl esters. (sigmaaldrich.com)
  • Theory of column optimization with limited pressure and analysis time, and fabrication of chemically bonded reversed-phase columns on etched borosilicate glass capillaries. (springer.com)
  • Consequently, a chiral alignment medium was used for the first time in chiral gel-based capillary electrochromatography with the four stereoisomers of the antimalaria drug mefloquine as test compounds. (mpg.de)
  • Capillary electrophoresis is a technique that separate compounds based on charge and size. (dissertations.se)
  • Determination of acid-base dissociation constants of amino- and guanidinopurine nucleotide analogs and related compounds by capillary zone electrophoresis. (cas.cz)
  • A novel stationary phase for capillary electrochromatography has been prepared via photoinitiated grafting of two layers of polymer chains onto the pore surface of a porous polymer monolith. (edu.sa)
  • Fast analysis of capillary electrochromatography with non-porous ODS as the stationary phase[J]. ANALYTICAL LETTERS,1999,32(13):2679-2690. (dicp.ac.cn)
  • Capillary Electrochromatography: A Review," 357-372, 1997. (freepatentsonline.com)
  • Pesek JJ, Matyska MT (1997) Column technology in capillary electrophoresis and capillary electrochromatography. (springer.com)
  • En étant le membre unique du système discontinu, molécules avec la technique de CITP émigrez dans des zones définitives. (news-medical.net)
  • Les paramètres principaux pour cette technique sont pH, concentration en surfactant, tous les additifs et les revêtements en polymère qui sont employés sur la paroi capillaire. (news-medical.net)
  • Capillary electrophoresis (CE) is a powerful analytical technique that is widely used in research and development and in quality control of pharmaceuticals. (elsevier.com)
  • Rapid separation and determination of structurally related anthraquinones in Rhubarb by pressurized capillary electrochromatography. (sigmaaldrich.com)
  • Capillary Electrophoretic Determination of the Component Monosaccharides in Hemicelluloses. (uni-salzburg.at)
  • Capillary electrophoresis method for determination of D-serine and its application for monitoring of serine racemase activity. (cas.cz)
  • Several new feature boxes are presented within the text's chapters including descriptions of Breath Alcohol Analyzers, Lap-on-a-Chip Technology, Modified Electrodes, Enzymatic Determination of Urea, GC/MS, C/MS, LC/MS/MS, and Capillary Electrophoresis in DNA Sequencing. (textbooks.com)
  • The coated capillary showed reversed electro-osmotic flow (EOF), allowing anions to be separated in the co-EOF mode. (edu.au)
  • Due to the presence of a stationary phase (SP) inside a capillary and the use of an electro-osmotic ow (EOF) as a driving force for the mobile phase, the user can bene t from properties, such as a high sample loading capacity, high ef ciencies, high peak capacities, and low sample and solvent consumptions [1]. (taylorfrancis.com)
  • AMPS (2-acrylamido-2-methyl-l-propane sulfonic acid), added to the aqueous phase provides a charge along the polymer backbone essential for electroosmotic flow mechanism in electrochromatography. (dur.ac.uk)
  • Influence of moderate Joule heating on electroosmotic flow velocity, retention, and efficiency in capillary electrochromatography. (mpg.de)