Littérature scientifique sur le sujet « Capillary eletrophoresi »
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Articles de revues sur le sujet "Capillary eletrophoresi"
Jed Harrison, D., Zhonghui Fan, Kurt Seiler, Andreas Manz et H. Michael Widmer. « Rapid separation of fluorescein derivatives using a micromachined capillary eletrophoresis system ». Analytica Chimica Acta 283, no 1 (novembre 1993) : 361–66. http://dx.doi.org/10.1016/0003-2670(93)85245-f.
Texte intégralAulakh, Jatinder Singh, Agnes Fekete, Ashok Kumar Malik, Ph Schmitt-Kopplin et R. K. Mahajan. « Determination of Quats in Beverages and Urine Samples by Capillary Zone Eletrophoresis ». Annali di Chimica 97, no 11-12 (novembre 2007) : 1157–67. http://dx.doi.org/10.1002/adic.200790102.
Texte intégralUrbaniak, B., Y. Mrestani, Z. J. Kokot et R. H. H. Neubert. « Investigation of Interaction of Fluoroquinolones with Aluminum, Iron and Magnesium ions Using Capillary Zone Eletrophoresis ». Chromatographia 65, no 7-8 (6 février 2007) : 489–92. http://dx.doi.org/10.1365/s10337-007-0180-3.
Texte intégralThèses sur le sujet "Capillary eletrophoresi"
Chen, Hsin-Yang, et 陳信揚. « Analysis of Tetracyclines and β-lactam- Antibiotics by Capillary Eletrophoresis ». Thesis, 1997. http://ndltd.ncl.edu.tw/handle/99122427951964819294.
Texte intégral國立交通大學
應用化學研究所
85
Capillary electrophoresis is one of important separation technique based on different migration velocities of analytes when a potential is applied. This method has many advantages including high separation efficiency, short analysis time, low consumption of sample, and easy automation. In recent years, the widespread use of antibiotics has resulted led to the emergence of antibiotic-resistant organisms. For this reason, some countries have emphasized on the misusing of antibiotics. Capillary electrophoresis was applied to separate two kinds of antibiotics in this paper. One is tetracyclines, another is β-lactam antibiotics. Seven TCs were completely separated from each other. Also, the effect of adding EDTA and 1,3-Diaminopropane was discussed. The optimum separation condition then was applied to analyze milk. The U.S. Food and Drug Administration (PDA) set "safe levels" for β-lactam antibiotics, including amoxicillin, ampicillin, ceftiofur, cephapirin, cloxacillin, and penicillin. In commercially, penicillin has two forms: penicillin G and penicillin V. In this study, micellar electrokinetic chromatography (MEKC) was developed for determining above seven β-lactam antibiotics. The effect of concentration of surfactant and buffer pH value on the retention behavior and selectivity would be discussed. The optimum separation condition then was applied to analyze animal medicine.
Chen, Der-Chang, et 陳德昌. « Elecctrochemical Detection in Capillary Eletrophoresis Integration of Separatoion Capillary with Au Film Eletrode and Etched Decoupler ». Thesis, 1997. http://ndltd.ncl.edu.tw/handle/44861162445862843738.
Texte intégralChang, Chia-Wei, et 張家瑋. « Determination of Flavonoids in biological sample using iron oxide nanoparticles combine with capillary eletrophoresis ». Thesis, 2013. http://ndltd.ncl.edu.tw/handle/52485492830666767241.
Texte intégral國立高雄師範大學
化學系
101
ABSTRACT In this study, unmodified magnetic Fe3O4 nanoparticles(NPs) were used for selective extraction and enrichment of flavonoids namely- catechin (C), epicatechin (EC), rutin (R), and quercitrin (Q), prior to their analysis using capillary electrophoresis with UV detection. Coordination of Fe3+ ions present on the surface of Fe3O4 to catechol with special interactions enables the magnetic NPs to capture the catechol moiety of the flavonoids from an aqueous solution. Under the optimum extraction conditions, the limit of detections at signal-to-noise of 3:1 for C, EC, R and Q were found to be 0.82, 0.76, 0.02 and 0.02 μM, respectively. enrichment factor of up to 156.04 - 451.79. Notably, the C18 solid-phase extraction (SPE) combined with Fe3O4 NPs Magnetic solid phase extraction and the proposed method was successfully applied for the determination of C, EC, and Q in the human urine. The accuracy of this method was evaluated by the recovery of analytes in the spiked sample. Good recoveries (99.36-102.66%) with low relative standard deviations (2.70 to 3.89%) were achieved. Some advantages of the proposed methods have high sensitivity, high precision, and high accuracy.