Yes (921)
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Physicochemical Properties and Origin of PM1 Measured at a Rural Background Site
Pokorná, Petra; Zíková, Naděžda; Vodička, Petr; Lhotka, Radek; Mbengue, Saliou; Holubová Šmejkalová, A.; Riffault, V.; Ondráček, Jakub; Schwarz, Jaroslav; Ždímal, Vladimír
2022 - English
This study assesses the variability of organic aerosol (OA) sources monitored at the rural background site Frýdlant. Non-refractory PM1 was evaluated in two seasons of\n2021. The positive matrix factorization with the multi-linear engine was used to determine the sources of OA at Frýdlant site, with four factors resolved both in winter and\nsummer.
Keywords:
organic aerosols; positive matrix factorization with multi-linear engine; non-refractive aerosol
Available in a digital repository NRGL
Physicochemical Properties and Origin of PM1 Measured at a Rural Background Site
This study assesses the variability of organic aerosol (OA) sources monitored at the rural background site Frýdlant. Non-refractory PM1 was evaluated in two seasons of\n2021. The positive matrix ...
An Improved Method for Calculation of the Wet Particle Diameter and tha Kappa Parameters from the CCN Data
Wagner, Zdeněk; Mishra, Gaurav; Moravec, Pavel; Zíková, Naděžda
2022 - English
The study of particle size distribution and hygroscopic growth is important for several reasons. Particle diameter is available experimentally, but the relationship of \nhygroscopic growth to cloud condensation nuclei (CCN) and AMS data can be modeled mathematically. In this paper, we present an improved algorithm for calculating the wet \nparticle diameter and the κ parameter that is faster, more accurate, and more reliable than the algorithm used by other authors.\n
Keywords:
critical diameter; wet particle diameter; CCN
Available in a digital repository NRGL
An Improved Method for Calculation of the Wet Particle Diameter and tha Kappa Parameters from the CCN Data
The study of particle size distribution and hygroscopic growth is important for several reasons. Particle diameter is available experimentally, but the relationship of \nhygroscopic growth to cloud ...
Separation of biological agents by divergent-flow isoelectric focusing as a tool for their rapid identification by MALDI-TOF MS
Duša, Filip; Šalplachta, Jiří; Horká, Marie; Lunerová, K.; Rosenbergová, K.; Kubíček, O.
2022 - English
We presented DF-IEF chip which proved as an efficient method for separation of biological agents, and it enabled sensitive identification of inactivated microorganisms with MALDI-TOF MS compared to unseparated samples.
Keywords:
bacteria; isoelectric; divergent
Available in digital repository of the ASCR
Separation of biological agents by divergent-flow isoelectric focusing as a tool for their rapid identification by MALDI-TOF MS
We presented DF-IEF chip which proved as an efficient method for separation of biological agents, and it enabled sensitive identification of inactivated microorganisms with MALDI-TOF MS compared to ...
Development of portable ultra-high performance liquid chromatograph
Šesták, Jozef; Gogaľová, Zuzana; Lunerová, K.
2022 - English
Recently we have successfully proved the concept of experimental portable liquid chromatograph which utilizes a simple hydraulic scheme and a universal optical detector capable of simultaneous absorbance and fluorescence monitoring. Here we present some latest improvements of our concept.
Keywords:
portable liquid chromatograph; miniaturization; microcolumn liquid chromatography
Available in digital repository of the ASCR
Development of portable ultra-high performance liquid chromatograph
Recently we have successfully proved the concept of experimental portable liquid chromatograph which utilizes a simple hydraulic scheme and a universal optical detector capable of simultaneous ...
Multi-cationic aminopyrene-based tag for oligosaccharide analysis by capillary electrophoresis with laser-induced fluorescence detection
Smolková, Denisa; Duša, Filip; Čmelík, Richard; Lavická, Jana
2022 - English
We present further optimization of the labeling method with a new multi-cationic aminopyrene-based tag, APTMP (4,4’,4’’-(8-aminopyrene-1,3,6-trisulfonyl)tris(1-methylpiperazine) in order to achieve higher resolution and sensitivity of CE/LIF analysis of APTMP labeled oligosaccharides.
Keywords:
oligosaccharides labeling; CE/LIF; APTMP
Available in digital repository of the ASCR
Multi-cationic aminopyrene-based tag for oligosaccharide analysis by capillary electrophoresis with laser-induced fluorescence detection
We present further optimization of the labeling method with a new multi-cationic aminopyrene-based tag, APTMP (4,4’,4’’-(8-aminopyrene-1,3,6-trisulfonyl)tris(1-methylpiperazine) in order to achieve ...
The map of quercetin and its derivatives occurence in parts of onion (Allium cepa L.) varieties
Benešová, K.; Lojková, L.; Kudláčková, Barbora
2022 - English
Determination of quercetin and its derivatives in dependency on the onion variety and the part from which it was extracted.
Keywords:
onion; quercetin; pressurized liquid extraction
Available in digital repository of the ASCR
The map of quercetin and its derivatives occurence in parts of onion (Allium cepa L.) varieties
Determination of quercetin and its derivatives in dependency on the onion variety and the part from which it was extracted.
Synthesis of biobased ionic liquids from the choline for lignin derivatization
Souvenir Zafindrajaona, Mahasoa-Salina
2022 - English
The presentation will be dedicated to the description of the syntheses and the characterization of the new bolaform ILs. The further work which will be realized in Prague will be also presented and discussed in relation to the lignin depolymerisation purpose.
Keywords:
lignin; depolymerisation; ionic liquids
Available in a digital repository NRGL
Synthesis of biobased ionic liquids from the choline for lignin derivatization
The presentation will be dedicated to the description of the syntheses and the characterization of the new bolaform ILs. The further work which will be realized in Prague will be also presented and ...
The study on stability of ionanofluids, change in heat capacity of ionanofluids over a long period of time
Parmar, Nirmal
2022 - English
These works showed that, by adding well defined nanoparticles into ionic liquids, it is possible to tune or/and enhance\ntheir thermophysical properties and make them more suitable for electrical and thermal energy storage, and heat transfer applications.
Keywords:
nanoparticles; ionic liquids; ionanofluids
Available in a digital repository NRGL
The study on stability of ionanofluids, change in heat capacity of ionanofluids over a long period of time
These works showed that, by adding well defined nanoparticles into ionic liquids, it is possible to tune or/and enhance\ntheir thermophysical properties and make them more suitable for electrical and ...
Utilization of solid sorbents for high temperature removal of halogenated compounds from pyrolysis of waste plastic
Šrámek, Vít
2022 - English
This work focuses on high temperature removal of halogenated compounds in model mixture with hydrocarbons and other compounds. The study was performed in laboratory apparatus under controlled temperature and gaseous mixture composition.\n
Keywords:
halogenated compounds; solid sorbents; pyrolysis of waste plastic
Available in a digital repository NRGL
Utilization of solid sorbents for high temperature removal of halogenated compounds from pyrolysis of waste plastic
This work focuses on high temperature removal of halogenated compounds in model mixture with hydrocarbons and other compounds. The study was performed in laboratory apparatus under controlled ...
Deoxyfluorinated N-acetyllactosamines as carbohydrate-based probes for human galectins
Kurfiřt, Martin
2022 - English
This work is focused on a detailed NMR investigation of human galectins via a complete series of mono-deoxyfluorinated Nacetyllactosamine probes 1–6, which were prepared previously in our laboratory.3 Advanced 19F NMR T2-filter technique enabled the identification of hydroxyl groups essential for the interaction with varioushGals, and permitted to compare hGals in terms of the importance of these key hydroxyl groups in the recognition events. Furthermore, the library was also investigated by various NMR techniques such as 19F EXSY, STD and 15N CSP to reveal the molecular origin of recognition events.\n
Keywords:
human galectins; NMR techniques; selective inhibitors
Available in a digital repository NRGL
Deoxyfluorinated N-acetyllactosamines as carbohydrate-based probes for human galectins
This work is focused on a detailed NMR investigation of human galectins via a complete series of mono-deoxyfluorinated Nacetyllactosamine probes 1–6, which were prepared previously in our laboratory.3 ...
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