Národní úložiště šedé literatury Nalezeno 6 záznamů.  Hledání trvalo 0.00 vteřin. 
Microchips and MS coupling
Foret, František
Review of the current state of system miniaturization and coupling of chips with mass spectrometry.
Impact of sample matrix on quantitation in CZE
Gebauer, Petr ; Křivánková, Ludmila ; Pantůčková, Pavla ; Boček, Petr
Correct conditions for quantification based on peak height evaluation when UV detection is used were defined enabling to reach as high sensitivity as possible.
Proteomics of barley proteins by combination of in-gel digestion and MALDI-TOF MS
Řehulka, Pavel ; Chmelík, Josef ; Mayrhofer, C. ; Allmaier, G.
It is shown that combination of gel electrophoresis, matrix assisted laser desorption/ionization time-of-flight mass spectrometry and database searching is a suitable procedure for rapid protein identification. This approach let us to identify some proteins from barley leaves and grains. Identification of barley proteins can be useful for characterization of varieties of malting barley which is important especially in food and brewing industry.
Determination of saccharides in beverages by capillary electrophoresis and MALDI-TOF mass spectrometry
Žídková, Jitka ; Přibyla, Lubomír ; Chmelík, Josef
A fast method for the detection of addition of cheap sweeteners in beverages based on combination of matrix assisted laser desorption/ionisation time of flight (MALDI-TOF) mass spectrometry with capillary electrophoresis has been developed. Capillary electrophoresis has been employed to detect the ratio of concentration of major saccharides. Application of these techniques to orange juices is presented.
Determination of biologically active compounds in medical plants by capillary electrochromatography
Kvasničková, L. ; Štěrbová, H. ; Glatz, O. ; Kahle, Vladislav ; Slanina, J.
Capillary electrochromatography in macroporous polyacrylamide columns was successfully used to analyse and quantify lignans in extract of the seeds of Schisandra chinensis. Good separations were achieved in less than 35 min. The levels of schizandrin, gomisin A, gomisin N and wuweizisu C determined by CEC were in good agreement with those obtained by reverse-phase HPLC.

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