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Relevant bibliographies by topics / Capillary electrochromatography (CEC)

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Academic literature on the topic 'Capillary electrochromatography (CEC)'

Author: Grafiati

Published: 4 June 2021

Last updated: 6 February 2022

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Journal articles on the topic "Capillary electrochromatography (CEC)"

1

Tang, Yixia, Xiaoqin Cui, Yuefen Zhang, and Yibing Ji. "Preparation and evaluation of a polydopamine-modified capillary silica monolith for capillary electrochromatography." New Journal of Chemistry 43, no. 2 (2019): 1009–16. http://dx.doi.org/10.1039/c8nj04912b.

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2

Dittmann, Monika M., and Gerard P. Rozing. "Capillary electrochromatography (CEC): methodology and applications." Biomedical Chromatography 12, no. 3 (1998): 136–37. http://dx.doi.org/10.1002/(sici)1099-0801(199805/06)12:3<136::aid-bmc781>3.0.co;2-x.

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Vallano, Patrick T., and Vincent T. Remcho. "Capillary Electrochromatography: A Powerful Tool for the Resolution of Complex Mixtures." Journal of AOAC INTERNATIONAL 82, no. 6 (1999): 1604–12. http://dx.doi.org/10.1093/jaoac/82.6.1604.

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Abstract Methods such as capillary electrophoresis (CE) and capillary liquid chromatography (LC) are particularly useful in the analysis of complex mixtures because of their high resolving power. Continued refinement of these techniques has led to a novel separation method known as capillary electrochromatography (CEC), also referred to as capillary electrokinetic chromatography, which is a combination of capillary LC and conventional CE. As in LC, mobile phase is transported through a column where partitioning of solutes occurs. In CEC, mobile phase flow is generated by electroosmosis, which

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4

Wang, Yineng, Xi Cao, Walter Messina, et al. "Development of a Mobile Analytical Chemistry Workstation Using a Silicon Electrochromatography Microchip and Capacitively Coupled Contactless Conductivity Detector." Micromachines 12, no. 3 (2021): 239. http://dx.doi.org/10.3390/mi12030239.

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Capillary electrochromatography (CEC) is a separation technique that hybridizes liquid chromatography (LC) and capillary electrophoresis (CE). The selectivity offered by LC stationary phase results in rapid separations, high efficiency, high selectivity, minimal analyte and buffer consumption. Chip-based CE and CEC separation techniques are also gaining interest, as the microchip can provide precise on-chip control over the experiment. Capacitively coupled contactless conductivity detection (C4D) offers the contactless electrode configuration, and thus is not in contact with the solutions unde

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5

Frame, Lesley A., Malcolm L. Robinson, and W. John Lough. "Evaluation of capillary electrochromatography (CEC) for pharmaceutical analysis." Journal of Pharmacy and Pharmacology 50, S9 (1998): 94. http://dx.doi.org/10.1111/j.2042-7158.1998.tb02294.x.

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Jiskra, Jan, Henk A. Claessens, and Carel A. Cramers. "Stationary and mobile phases in capillary electrochromatography (CEC)." Journal of Separation Science 26, no. 15-16 (2003): 1305–30. http://dx.doi.org/10.1002/jssc.200301305.

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Derazshamshir, Ali, Fatma Yılmaz, and Adil Denizli. "Molecularly imprinted hydrophobic polymers as a tool for separation in capillary electrochromatography." Analytical Methods 7, no. 6 (2015): 2659–69. http://dx.doi.org/10.1039/c4ay03096f.

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The use of molecular imprinted polymers (MIPs), which provides a means for preparing stationary phases with predetermined selectivity for a target molecule in capillary electrochromatography (CEC), is attractive because it combines selectivity, higher separation efficiency and shorter analysis time.

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Chen, Yen-Chun, Arun Krishnamurthy, Szu-Hua Chen, and Yu-Chie Chen. "A Tapered Capillary-Based Contactless Atmospheric Pressure Ionization Mass Spectrometry for On-Line Preconcentration and Separation of Small Organics." Separations 8, no. 8 (2021): 111. http://dx.doi.org/10.3390/separations8080111.

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Capillary electrophoresis (CE) is an effective technique for the separation of different analytes. Moreover, online preconcentration of trace analytes in the capillary for CE analysis has been demonstrated. CE and capillary electrochromatography (CEC) are suitable for the separation of analytes with similar polarities. Given that CE and CEC are only used to separate small-volume samples, sensitive mass spectrometry (MS) is a suitable detection tool for CE and CEC. Contactless atmospheric pressure ionization (C-API) is a continuous flow ion source that only uses a short capillary as the ionizat

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9

Scherer, B., and F. Steiner. "Capillary electrochromatography (CEC) in columns with different inner diameters." Chromatographia 54, no. 3-4 (2001): 155–62. http://dx.doi.org/10.1007/bf02492236.

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Qin, Shili, Fenglong Jin, Lidi Gao, et al. "Determination of sulfamerazine in aquatic products by molecularly imprinted capillary electrochromatography." Royal Society Open Science 6, no. 6 (2019): 190119. http://dx.doi.org/10.1098/rsos.190119.

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A molecularly imprinted monolith was prepared and evaluated for the special selective separation of sulfamerazine (SMR) by capillary electrochromatography (CEC). The single-step in situ polymerization method was applied through thermally immobilized vinyl groups of itaconic acid and a derivatization capillary column using SMR as the template. The monolith with optimal selectivity and permeability was performed at 45°C for 7 h according to the molar ratios of 1 : 4 : 10 (template/functional monomer/cross-linker). Under the optimized separation conditions of 75% acetonitrile in 20 mM phosphate b

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Dissertations / Theses on the topic "Capillary electrochromatography (CEC)"

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Boughtflower, Robert J. "Operating parameters for capillary electrochromatography (CEC)." Thesis, University of Edinburgh, 2000. http://hdl.handle.net/1842/12403.

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Miniaturisation of chromatographic systems is becoming increasingly desirable. Future developments will demand the analysis of smaller samples, at faster rates, with increasingly complex separations required. These demands are already starting to exceed the capabilities of conventional HPLC systems. Systems will require more column efficiency, operation at higher flow rates and detection of the undiluted eluent in the most sensitive detectors available. CEC offers the opportunity to achieve these goals. The main obstacles to using CEC reliably are the relatively unstable nature of purely elect

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2

Norton, Dean Stephen. "Capillary Electrochromatography-Mass Spectrometry (CEC-MS) of Surfactants." Digital Archive @ GSU, 2007. http://digitalarchive.gsu.edu/chemistry_diss/13.

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This research presents advancements in the coupling of capillary electrochromatography (CEC) to mass spectrometry (MS) for the analysis of different chemical classes of surfactants. Chapter 1 provides a brief introduction that summarizes the mechanics and fundamentals of CEC, including instrumentation and applications for CEC-MS. Chapter 2 describes the on-line hyphenation of a packed CEC column with an internally tapered tip coupled to electrospray ionization-mass spectrometry (ESI-MS) and atmospheric pressure chemical ionization-mass spectrometry (APCI-MS) for the analysis of betaine-type am

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Zheng, Jie. "Development of Chiral/Achiral Analysis Methods using Capillary Electrochromatography and Capillary Electrochromatography Coupled to Mass Spectrometry." Digital Archive @ GSU, 2006. http://digitalarchive.gsu.edu/chemistry_diss/6.

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The research presented in this dissertation involves the development of chiral and achiral analysis using capillary electrochromatography (CEC) and CEC coupled to mass spectrometry (CEC-MS). Chapter 1 briefly reviews CEC fundamentals and latest development on chiral CEC and CEC-MS. The CEC-UV enantioseparations for several acidic compounds are described in Chapter 2. The optimum resolutions for these acidic enantiomers are achieved in ion-suppression mode, i.e. with an acidic mobile phase. One of major drawback in coupling CEC with MS is the bubble formation at the column outlet end, resulting

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4

Johannesson, Nina. "Column Development in Capillary Electrophoresis and Electrochromatography for Bioanalytical Applications." Doctoral thesis, Uppsala universitet, Analytisk kemi, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-7124.

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Analysis of biological samples can be a difficult task. This thesis covers a broad aspect of the analytical areas of capillary electrophoresis (CE) and capillary electrochromatography (CEC) in combination with mass spectrometry (MS) that are of great importance for achieving fast, accurate and sensitive bioanalyses. A significantly time reduced and automated system for sample cleanup was developed to greatly simplify the pretreatment process of biological samples with a complex matrix. Desalting and preconcentration of species in urine was conducted and the limit of detection for the antidepre

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Hindocha, Darsha. "The evaluation of capillary electrochromatography (CEC) for use within a regulated environment in the pharmaceutical industry." Thesis, Imperial College London, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.399525.

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Rudge, R. N. "Development and application of an interface for capillary electrochromatography/mass spectrometry (CEC/MS) using a Finnigan LCQ ion trap mass spectrometer." Thesis, Swansea University, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.638724.

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Capillary Electrochromatography (CEC) combines the specificity of high-pressure liquid chromatography (HPLC) with the efficacy of capillary electrophoresis (CE). CEC utilises electrically driven (electroosmotic) flow to drive the mobile phase through a narrow i.d. (typically 50-100 mm) fused silica capillary packed with stationary phase material. Separation of analytes occurs by partitioning between the stationary and mobile phases and by differences in electrophoretic mobilities (for charged molecules). Using electroosmotic flow rather than pressure-driven flow leads to greater separation eff

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Fu, Hanzhuo. "Development of Advanced Capillary Electrophoresis Techniques with UV and Mass Spectrometry Detection for Forensic, Pharmaceutical and Environmental Applications." FIU Digital Commons, 2014. http://digitalcommons.fiu.edu/etd/1531.

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Capillary electrophoresis (CE) is a modern analytical technique, which is electrokinetic separation generated by high voltage and taken place inside the small capillaries. In this dissertation, several advanced capillary electrophoresis methods are presented using different approaches of CE and UV and mass spectrometry are utilized as the detection methods. Capillary electrochromatography (CEC), as one of the CE modes, is a recent developed technique which is a hybrid of capillary electrophoresis and high performance liquid chromatography (HPLC). Capillary electrochromatography exhibits advant

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Lu, Yang. "Applications of Monolithic Capillary Electrochromatography (CEC): Method Development and Quantitation of Metabolites in Prostate Tissue and Insights into Chiral Recognition Mechanism." 2017. http://scholarworks.gsu.edu/chemistry_diss/126.

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Capillary electrochromatography (CEC) is a major capillary electrophoresis (CE) mode that have been interfaced to mass spectrometry (MS) for sensitive and selective analysis of chiral compounds. This research expands CEC applications in cancer biomarker and chiral CE analysis. Chapter 1 is a review of liquid chromatography-mass spectrometry (LC/MS), gas chromatography-mass spectrometry (GC/MS), and capillary electrophoresis mass spectrometry (CE/MS) for analysis of metabolites in prostate cancer diagnostics and therapies. In this chapter, a literature survey was performed within the databases

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Books on the topic "Capillary electrochromatography (CEC)"

1

Paterson, Clare Jane. The development of capillary electrochromatography (CEC) and its coupling with electrospray mass spectrometry. 1998.

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2

Rassi, Ziad El. CE and CEC Reviews 2002: Advances in the Practice and Application of Capillary Electrophoresis and Capillary Electrochromatography. Wiley-VCH, 2002.

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Book chapters on the topic "Capillary electrochromatography (CEC)"

1

Quirino, Joselito P. "On-Line Electrophoretic, Electrochromatographic, and Chromatographic Sample Concentration in CE-MS." In Capillary Electrophoresis-Mass Spectrometry (CE-MS): Principles and Applications. Wiley-VCH Verlag GmbH & Co. KGaA, 2016. http://dx.doi.org/10.1002/9783527693801.ch5.

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2

Euerby, Melvin R. "2.9. Capillary electrochromatography (CEC)." In Identification and Determination of Impurities in Drugs. Elsevier, 2000. http://dx.doi.org/10.1016/s1464-3456(00)80020-4.

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Lane, Steve J. "2.9. Capillary electrochromatography (CEC)." In Identification and Determination of Impurities in Drugs. Elsevier, 2000. http://dx.doi.org/10.1016/s1464-3456(00)80021-6.

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4

Paterson, C. J., and R. J. Boughtflower. "Chapter 4 Capillary electrochromatography (CEC)." In Handbook of Analytical Separations. Elsevier, 2000. http://dx.doi.org/10.1016/s1567-7192(00)80007-8.

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Conference papers on the topic "Capillary electrochromatography (CEC)"

1

Sukas, Sertan, and J. G. E. Han Gardeniers. "Foil Definition for Optimizing the Shape of Microfabricated Columns for Capillary Electrochromatography." In ASME 2009 International Mechanical Engineering Congress and Exposition. ASMEDC, 2009. http://dx.doi.org/10.1115/imece2009-12993.

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A novel design approach for optimizing the shape of the microfabricated pillar columns [1] for capillary electrochromatography (CEC) is presented. Applying this optimization approach, a new foil shape definition was introduced. Several design alternatives were evaluated starting from typical NACA 4-digit series symmetric airfoil definition. In order to avoid stagnant regions over the leading edge for NACA airfoil, the maximum thickness point was defined at the center of the chord. Then this shape was defined as the intersection of two parent circles to create the same geometry with simpler def

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Reports on the topic "Capillary electrochromatography (CEC)"

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Shepodd, T. J., D. S. Anex, and J. Rognlien. Surface functionalization of silica microparticles for capillary electrochromatography (CEC). Office of Scientific and Technical Information (OSTI), 1997. http://dx.doi.org/10.2172/477613.

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