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National Repository of Grey Literature 40 records found  beginprevious29 - 38next  jump to record: Search took 0.00 seconds. 
Metal concentrations in urban aerosol in Brno and in exhaust fumes
 Coufalík, Pavel ; Mikuška, Pavel ; Křůmal, Kamil ; Vojtíšek, M. ; Matoušek, Tomáš ; Večeřa, Zbyněk
Total metal concentrations in aerosol samples and exhaust fumes as well as the bioaccessibility of metals in simulated lung fluids were determined. The extraction in vitro seems not to be dependent on the surface tension of extraction solution.
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Metals concentrations in urban aerosol and in exhaust emission
 Coufalík, Pavel ; Mikuška, Pavel ; Křůmal, Kamil ; Vojtíšek, M. ; Matoušek, Tomáš ; Večeřa, Zbyněk
Total metals concentrations in aerosol samples and exhaust fumes as well as the bioaccessible proportions of metals were determined. The bioaccessibility of metals in vitro should be assessed according to the extraction in simulated lung fluids with a low surface tension.
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Hydride generation in connection with inductively coupled plasma mass spectrometry
 Matoušek, Tomáš
An overview describing technique of volatile hydride generation in connection with inductively coupled plasma mass spectrometry.
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Extraction of bioavailable proportion of metals in aerosol and street dust
 Coufalík, Pavel ; Mikuška, Pavel ; Křůmal, Kamil ; Večeřa, Zbyněk ; Vojtíšek, M. ; Matoušek, Tomáš ; Zvěřina, O.
The determination of total contents and bioavailable proportions of selected metals in street dust, urban aerosol and emissions from biofuel combustion was performed in this research. Extraction solutions simulating body fluids evinced significantly different extraction ability.
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Extraction of bioavailable proportion of metals in diesel emissions and atmospheric aerosols using artificial lung fluids
 Coufalík, Pavel ; Mikuška, Pavel ; Křůmal, Kamil ; Večeřa, Zbyněk ; Vojtíšek, M. ; Matoušek, Tomáš
The determination of bioavailable proportion of selected metals in biofuel exhaust and atmospheric aerosols, and a comparison of artificial lung fluids in relation to the yield of extraction were performed.
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Bioanalytical ICP – MS Method for Quantification of Potassium Changes in the Cells and Supernatants after Action of CyaA Toxin
 Petry-Podgórska, Inga ; Matoušek, Tomáš ; Wald, Tomáš ; Šebo, Peter ; Mašín, Jiří ; Dědina, Jiří
The publication presents a bioanalytical ICP-MS method applied to the quantification of changes of intra- and extracellular potassium concentration after action of the pore-forming adenylate cyclase toxin (CyaA) from the bacterium Bordetella pertussis.
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Gold chemical vapor generation by tetrahydroborate reduction for AAS: Radiotracer efficiency study and characterization of gold species
 Musil, Stanislav ; Arslan, Y. ; Kratzer, Jan ; Vobecký, Miloslav ; Benada, Oldřich ; Matoušek, Tomáš ; Rychlovský, P. ; Ataman, O. Y. ; Dědina, Jiří
The main objective was to assess the generation efficiency in the optimized method of chemical vapor generation of gold by means of 198,199Au radioindicator. We also intended to characterize the volatile Au species formed by tetrahydroborate reduction.
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Arsenic speciation analysis by hydride generation – cryotrapping – atomic fluorescence spectrometry with flame-in-gas-shield atomizer
 Svoboda, Milan ; Musil, Stanislav ; Matoušek, Tomáš ; Rychlovský, P. ; Dědina, Jiří
The main target of this work was further improvement of detection limits in the method of arsenic speciation analysis of tri- and pentavalent human metabolites in complex biological matrices. The method combines selective hydride generation with preconcentration and subsequent separation of substituted arsines in a cryogenic trap.
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Arsenic speciation analysis by cryogenic trapping – hydride generation – atomic absorption spectrometry; Investigation of water vapour dryers
 Svoboda, Milan ; Taurková, Petra ; Matoušek, Tomáš ; Rychlovský, P. ; Dědina, Jiří
The general aim of this work was to contribute to further improvement of the method for complete speciation analysis of trivalent and pentavalent human metabolites of arsenic in complex biological matrices.
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Chemické generování těkavých sloučenin stříbra pro potřeby AAS: studie účinnosti transportu pomocí radioizotopu .sup.111./sup.Ag a in-situ kolekce na křemenném povrchu
 Musil, Stanislav ; Kratzer, Jan ; Vobecký, Miloslav ; Matoušek, Tomáš
The method of chemical vapour generation of silver by means of sodium tetrahydroborate was futher developed in order to minimize transport losses. The possibility of collection of volatile silver species directly in the atomizer is presented.
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