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National Repository of Grey Literature 50 records found  beginprevious40 - 49next  jump to record: Search took 0.01 seconds. 
Separation of nonpolar lipids from vernix caseosa
 Háková, Eva ; Míková, Radka ; Vrkoslav, Vladimír ; Doležal, A. ; Plavka, R. ; Cvačka, Josef
The aim of this work is to develop a separation method for characterization of unknown nonpolar lipids in vernix caseosa. Here we optimized adsorption chromatography coupled to mass spectrometry detection with exact mass measurement. A long silica gel column (250 + 250 x 4.6 mm, particle size: 5 mu m) provided the best separation of nonpolar lipids present in vernix caseosa.
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Development and applications of ionization techniques in ambient mass spectrometry
 Rejšek, Jan ; Vrkoslav, Vladimír ; Cvačka, Josef
Ambient mass spectrometry is a sharply developing subject area. Desorption electrospray ionization (DESI) and desorption atmospheric pressure photoionization (DAPPI) are two types of ionization techniques in the ambient mass spectometry. Herein, they were investigated in two research areas: (1) TLC analysis. (2) Localization of insect defense glands.
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Vernix caseosa and its newly discovered nonpolar lipids
 Háková, Eva ; Míková, Radka ; Vrkoslav, Vladimír ; Doležal, A. ; Plavka, R. ; Cvačka, Josef
The aim of this work is a description of newly, so far undescribed nonpolar lipids, which are components of vernix caseosa.
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Development and applications of ionization techniques in ambient mass spectrometry
 Rejšek, Jan ; Vrkoslav, Vladimír ; Cvačka, Josef
Ambient mass spectrometry is a sharply developing subject area. Desorption electrospray ionization (DESI) and desorption atmospheric pressure photoionization (DAPPI) are two types of ionization techniques in the ambient mass spectometry. Herein, they were investigated in two research areas: (1) TLC analysis. (2) Localization of insect defense glands.
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(MA)LDI and MSI of small molecules
 Vrkoslav, Vladimír
Using of MALDI/MS and LDI/MS for analysis of small molecular was explained.
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Ambient ionization techniques
 Vrkoslav, Vladimír
Classification, principles and application examples of the most important ambient ionization techniques were described.
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Sborník 14. ročníku Školy hmotnostní spektrometrie
 Cvačka, Josef ; Vrkoslav, Vladimír
Proceedings of full versions of lectures covering basics of mass spectrometry, ionization techniques, mass analyzers, coupling of mass spectrometry to chromatography, quantification, proteomics, metabolomics and data interpretation.
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Desorption ionization techniques
 Vrkoslav, Vladimír
The principles of the various desorption ionization techniques are summarized and described. Widely used techniques and their relationship with mass-spectrometric imaging are discussed in details.
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Imaging mass spectrometry of cuticular lipids of Drosophila melanogaster
 Kaftan, Filip ; Vrkoslav, Vladimír ; Cvačka, Josef ; Svatoš, A.
The spatial distribution of cuticular lipids on the surface (head, thorax, abdomen and wings) of Drosophila melanogaster flies has been imaged and studied using MALDI-TOF mass spectrometry and scanning electron microscopy.
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Methodology of lipid analysis of vernix caseosa using MALDI-TOF MS
 Míková, Radka ; Vrkoslav, Vladimír ; Doležal, A. ; Plavka, R. ; Cvačka, Josef
This project is aimed to lipid analysis of intact molecules and optimization of MALDI-TOF MS method for these lipids.
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