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Investigation of cryogenic trapping for arsenic speciation analysis by hydride generation – atomic absorption spectrometry
Svoboda, Milan; Kratzer, Jan; Vobecký, Miloslav; Rychlovský, P.; Dědina, Jiří
2009 - English
Cílem této práce je přispět k dalšímu vývoji metody na speciaci arsenu v biologických matricích. Hlavním cílem je výzkum procesů během záchytu arsenu eventuelně nalézt možnost miniaturizace zařízení kryogenní pasti 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. The main target of this work was to investigate processes during the cryotrapping procedure and find optimum conditions.
Keywords:
arsenic speciation; atomic absorption spectrometry; cryogenic trapping
Available at various institutes of the ASCR
Investigation of cryogenic trapping for arsenic speciation analysis by hydride generation – atomic absorption spectrometry
Cílem této práce je přispět k dalšímu vývoji metody na speciaci arsenu v biologických matricích. Hlavním cílem je výzkum procesů během záchytu arsenu eventuelně nalézt možnost miniaturizace zařízení ...
Determination of peroxyacetylnitrate in air using a chemiluminescence aerosol detector
Mikuška, Pavel; Bružeňák, L.
2009 - Czech
Chemiluminescent method of peroxyacetylnitrate detection in air using a CLAD and separation of interfering compounds (NO2, O3) provides fast, sensitive and specific determination of PAN with detection limit of 10 ppt and time resolution of 3 min. Chemiluminiscenční metoda detekce peroxyacetylnitrátu ve vzduchu použitím CLAD a separace interferujících polutantů (NO2, O3) umožňuje rychlé, citlivé a specifické stanovení PAN ve vzduchu s limitem detekce 10 ppt a časovým rozlišením 3 min.
Keywords:
peroxyacetylnitrate; chemiluminescent detection
Available at various institutes of the ASCR
Determination of peroxyacetylnitrate in air using a chemiluminescence aerosol detector
Chemiluminescent method of peroxyacetylnitrate detection in air using a CLAD and separation of interfering compounds (NO2, O3) provides fast, sensitive and specific determination of PAN with detection ...
Analysis of molecular markers from biomass combustion
Křůmal, Kamil; Mikuška, Pavel; Vojtěšek, Martin; Večeřa, Zbyněk
2009 - Czech
This work compare PM1 and PM2,5 concentrations of levoglucosan, mannosan and galactosan in Brno (370 000 inhabitants) and Šlapanice (6 000 inhabitants) in winter and summer months. These compounds were analyzed by GCMS. V této práci jsou srovnávány koncentrace levoglukosanu, mannosanu a galaktosanu v aerosolové frakci PM1 a PM2,5 v Brně (370 000 obyvatel) a Šlapanicích (6 000 obyvatel) v zimních a letních měsících. Tyto tři sloučeniny byly analyzovány metodou GCMS.
Keywords:
marker; PM2.5; PM1; biomass combustion
Available at various institutes of the ASCR
Analysis of molecular markers from biomass combustion
This work compare PM1 and PM2,5 concentrations of levoglucosan, mannosan and galactosan in Brno (370 000 inhabitants) and Šlapanice (6 000 inhabitants) in winter and summer months. These compounds ...
Comprehensive and targeted proteomic analysis of red yeast Rhodotorula glutinis cultivated under normal and stressed condition
Hezinová, Věra; Svobodová, Ivona; Čarnecká, M.; Halienová, A.; Klepárník, Karel; Márová, I.
2009 - English
The differences in proteomic profile of red yeast Rhodotorula glutinis cultivated under normal and stress condition were studied using two approaches; comprehensive and targeted. In targeted approach semiconductor quantum dots were used for protein visualization.
Keywords:
red yeast; quantum dots; stress
Available at various institutes of the ASCR
Comprehensive and targeted proteomic analysis of red yeast Rhodotorula glutinis cultivated under normal and stressed condition
The differences in proteomic profile of red yeast Rhodotorula glutinis cultivated under normal and stress condition were studied using two approaches; comprehensive and targeted. In targeted approach ...
Surface enhanced Raman spectroscopy
Maděránková, D.; Provazník, I.; Klepárník, Karel
2009 - Czech
The signal of Raman scattering in carotene solutions, enhanced on silver colloid particles was studied. The dependence of the enhancement factor on the concentration of silver particles demonstrates the potential of the method for biological applications. Byl studován signál Ramanova rozptylu v roztocích karotenu, zesílený na koloidních částicích stříbra. Závislost faktoru zesílení na koncentraci stříbrných částic ukazuje potenciál této metody pro biologické aplikace.
Keywords:
surface enhanced Raman scattering; SERS; silver colloids
Available at various institutes of the ASCR
Surface enhanced Raman spectroscopy
The signal of Raman scattering in carotene solutions, enhanced on silver colloid particles was studied. The dependence of the enhancement factor on the concentration of silver particles demonstrates ...
CdTe quantum dots - preparation, physico-chemical properties and application as fluorescent markers
Hezinová, Věra; Svobodová, Ivona; Lišková, Marcela; Přikryl, Jan; Klepárník, Karel; Foret, František
2009 - English
Byla připravena sada CdTe kvantových teček o různých velikostech a charakterizována pomocí fluorescenčních spekter a doby života fluorescence. Byla testována možnost použití kvantových teček pro fluorescenční značení buněk. The set of different sizes of CdTe nanoparticles coated with MPA was synthetized and characterized by fluorescence spectra and lifetimes. Their application as a cell fluorescent markers was tested.
Keywords:
quantum dots; fluorescent probes; semiconductor nanoparticles
Available at various institutes of the ASCR
CdTe quantum dots - preparation, physico-chemical properties and application as fluorescent markers
Byla připravena sada CdTe kvantových teček o různých velikostech a charakterizována pomocí fluorescenčních spekter a doby života fluorescence. Byla testována možnost použití kvantových teček pro ...
Comparison of gradient measurement and modelling of deposition rate of ozone to spruce forest in locality Bílý Kříž.
Zapletal, M.; Chroust, P.; Večeřa, Zbyněk; Mikuška, Pavel; Cudlín, Pavel; Urban, Otmar; Pokorný, Radek; Czerný, Radek; Janouš, Dalibor; Taufarová, Klára; Marek, Michal V.; Hůnová, I.; Černikovský, L.; Medlen, A.
2009 - Czech
Comparison of measured and modelled deposition rate of ozone to spruce forest in locality Bílý Kříž. Estimation of daily changes in deposition and stomatal flux of ozone into spruce forest. Porovnání naměřených a modelovaných depozičních rychlostí ozonu do smrkových lesů v lokalitě Bílý Kříž. Odhad denních změn depozičního a stomatálního toku ozonu do smrkových lesů.
Keywords:
ozone; atmospheric deposition; stomatal conductance
Available at various institutes of the ASCR
Comparison of gradient measurement and modelling of deposition rate of ozone to spruce forest in locality Bílý Kříž.
Comparison of measured and modelled deposition rate of ozone to spruce forest in locality Bílý Kříž. Estimation of daily changes in deposition and stomatal flux of ozone into spruce forest.
Preparation, physical-chemical properties and utilization of nanoparticles in bioanalysis
Svobodová, Ivona; Hezinová, Věra; Lišková, Marcela; Přikryl, Jan; Maděránková, D.; Klepárník, Karel; Foret, František
2009 - English
The possibilities of application of nanoparticles in bioanalysis were studied. Applications of quantum dots as a fluorescent markers, silver nanoparticles in SERS and conjucation of gold nanoparticles with antibodies were shown.
Keywords:
bioanalysis; fluorescent probes; nanoparticles
Available at various institutes of the ASCR
Preparation, physical-chemical properties and utilization of nanoparticles in bioanalysis
The possibilities of application of nanoparticles in bioanalysis were studied. Applications of quantum dots as a fluorescent markers, silver nanoparticles in SERS and conjucation of gold nanoparticles ...
Application of nanoparticles in fluorescence microscopy and raman spectrometry
Přikryl, Jan; Svobodová, Ivona; Hezinová, Věra; Lišková, Marcela; Maděránková, D.; Klepárník, Karel; Foret, František
2009 - Czech
This contribution is devoted to application of quantum dots as perspective luminescence labels in fluorescence microscopy (epifocal and TIR fluorescence microscopy) and application of silver nanoparticles in surface-enhanced Raman spectroscopy. Příspěvek je věnován využití kvantových teček jako perspektivních luminiscenčních značek ve fluorescenční mikroskopii (epifokální a TIR fluorescenční mikroskopie) a dále využití stříbrných nanočástic v povrchem zesílené Ramanově spektrometrii.
Keywords:
quantum dots; luminescence; SERS
Available at various institutes of the ASCR
Application of nanoparticles in fluorescence microscopy and raman spectrometry
This contribution is devoted to application of quantum dots as perspective luminescence labels in fluorescence microscopy (epifocal and TIR fluorescence microscopy) and application of silver ...
Concentration of elements in atmospheric aerosol and street dust in Brno and in Ostrava
Vojtěšek, Martin; Mikuška, Pavel; Ličbinský, R.; Adamec, V.; Křůmal, Kamil
2009 - Czech
Contribution deals with measurement of atmospheric aerosols (size fractions PM2.5 and PM10) in Brno and Ostrava and with comparison of concentration of elements in aerosol and street dust in Brno and Ostrava; effect of different potential sources is discussed. Příspěvek se zabývá měřením atmosférických aerosolů ve velikostních frakcích PM10 a PM2.5 v Brně a Ostravě a srovnáním koncentrace prvků v aerosolu a v pouličním prachu v Brně a Ostravě, diskutuje se vliv rozdílných potenciálních zdrojů.
Keywords:
atmospheric aerosol; street dust; elements
Available at various institutes of the ASCR
Concentration of elements in atmospheric aerosol and street dust in Brno and in Ostrava
Contribution deals with measurement of atmospheric aerosols (size fractions PM2.5 and PM10) in Brno and Ostrava and with comparison of concentration of elements in aerosol and street dust in Brno and ...
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