PREISLER, Jan, Ping HU, Barry, L. KARGER, Tomáš REJTAR and Eugene MOSKOVEETS. Capillary Array Electrophoresis-MALDI Mass Spectrometry Using a Vacuum Deposition Interface. Analytical Chemistry. Washington, D.C., USA: American Chemical Society, 2002, vol. 74, No 1, p. 17-25. ISSN 0003-2700.
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Basic information
Original name Capillary Array Electrophoresis-MALDI Mass Spectrometry Using a Vacuum Deposition Interface
Authors PREISLER, Jan (203 Czech Republic, guarantor), Ping HU (156 China), Barry, L. KARGER (840 United States of America), Tomáš REJTAR (203 Czech Republic) and Eugene MOSKOVEETS (643 Russian Federation).
Edition Analytical Chemistry, Washington, D.C., USA, American Chemical Society, 2002, 0003-2700.
Other information
Original language English
Type of outcome Article in a journal
Field of Study 10406 Analytical chemistry
Country of publisher United States of America
Confidentiality degree is not subject to a state or trade secret
Impact factor Impact factor: 5.094
RIV identification code RIV/00216224:14310/02:00008542
Organization unit Faculty of Science
UT WoS 000173086200010
Keywords in English capillary array electrophoresis; MALDI; mass spectrometry; proteomics; peptide
Tags capillary array electrophoresis, MALDI, mass spectrometry, peptide, proteomics
Changed by Changed by: prof. Mgr. Jan Preisler, Ph.D., učo 45329. Changed: 28/6/2009 00:01.
Abstract
The approach of vacuum deposition has been extended to demonstrate parallel analysis for multiple on-line infusion MALDI TOF MS and capillary array electrophoresis (CAE)-MALDI MS. In the infusion mode, individual peptide samples were simultaneously deposited on a Mylar tape cartridge using an array of eight capillaries, yielding eight parallel traces. For CAE-MALDI/TOF MS, the same number of separation capillaries were coupled with an array of eight infusion capillaries using a common liquid junction, containing matrix solution. A fast-scanning mirror was employed to traverse the beam of the desorption laser across the Mylar tape to probe one trace at a time. The positions of the eight sample traces formed on the tape were automatically determined, and all samples were analyzed in rapid sequence using a kilohertz repetition rate laser and a high-throughput data acquisition system. The instrumentation was operated with CAE MS for high-throughput analysis without compromising data quality applicable to MALDI/TOF MS analysis for proteomics and other areas where separation and high throughput are required.
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