Furter, Jasmine S. and Hauser, Peter C.. (2021) Compact automated capillary electrophoresis instrument for coupling with mass spectrometry by using sheathless electrospray ionization. JOURNAL OF CHROMATOGRAPHY A, 1656. ARTN 462533.
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Official URL: https://edoc.unibas.ch/85787/
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Abstract
The low-cost set-up is based on the flexible microfluidic breadboard approach. To avoid the use of electrically driven devices at the high voltage injection end of the capillary pneumatically actuated pumps and valves are employed. It is coupled to the mass spectrometer with a sheathless electrospray obtained in an electrodeless interface configuration. This simplification is achieved by carrying out the analysis in two distinct steps, firstly the separation without the formation of an electrospray, and secondly detection in which the electrospray is created while pumping out the content of the capillary. The performance of the instrument was tested by analysing three benzalkonium ions and the four pesticides pyrifenox, pirimicarb, cyprodinil and pyrimethanil. Detection limits between 0.36 and 0.76 µM and peak reproducibilities between 5.2% and 6.6% (50 µM standards) were obtained for the latter.
Faculties and Departments: | 05 Faculty of Science > Departement Chemie > Chemie > Analytische Chemie (Hauser) |
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UniBasel Contributors: | Hauser, Peter C. P. C. |
Item Type: | Article, refereed |
Article Subtype: | Research Article |
Publisher: | Elsevier |
ISSN: | 0021-9673 |
Note: | Publication type according to Uni Basel Research Database: Journal article |
Identification Number: | |
Last Modified: | 18 Dec 2021 12:19 |
Deposited On: | 18 Dec 2021 12:19 |
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