Number of found documents: 568
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Sborník 23. ročníku Školy hmotnostní spektrometrie. Krátký kurz E. Analýza dat v software Grephpad - praktický, názorně a jednoduše
Cvačka, Josef; Vrkoslav, Vladimír; Hubálek, Martin; Vlk, Mikuláš
2022 - Czech
Keywords: data analysis; hypothesis testing; group comparison Available at various institutes of the ASCR
Sborník 23. ročníku Školy hmotnostní spektrometrie. Krátký kurz E. Analýza dat v software Grephpad - praktický, názorně a jednoduše

Cvačka, Josef; Vrkoslav, Vladimír; Hubálek, Martin; Vlk, Mikuláš
Ústav organické chemie a biochemie, 2022

Chiral capillary electrophoresis with diquats as both passive and active players in enantioseparation games
Kašička, Václav; Bílek, Jan; Koval, Dušan; Sázelová, Petra; Talele, Harish Ramesh; Severa, Lukáš; Reyes Gutierrez, Paul Eduardo; Teplý, Filip
2022 - English
Keywords: chiral capillary electrophoresis; diquats; enantioseparation Available at various institutes of the ASCR
Chiral capillary electrophoresis with diquats as both passive and active players in enantioseparation games

Kašička, Václav; Bílek, Jan; Koval, Dušan; Sázelová, Petra; Talele, Harish Ramesh; Severa, Lukáš; Reyes Gutierrez, Paul Eduardo; Teplý, Filip
Ústav organické chemie a biochemie, 2022

Curcumin oligomers and their stability in the gas phase investigated by electrospray ionization mass spectrometry
Jaklová Dytrtová, Jana; Jakl, Michal; Jakl, M.
2022 - English
Keywords: curcumin; electrospray ionization; mass spectrometry. Available at various institutes of the ASCR
Curcumin oligomers and their stability in the gas phase investigated by electrospray ionization mass spectrometry

Jaklová Dytrtová, Jana; Jakl, Michal; Jakl, M.
Ústav organické chemie a biochemie, 2022

Characterization of Ca2+ binding properties of human ameloblastin I and II isoforms and ameloblastin C-term proteins by capillary electrophoresis
Sázelová, Petra; Vetýšková, Veronika; Boušová, Kristýna; Vondrášek, Jiří; Kašička, Václav
2022 - English
Keywords: calcium ion; capillary electrophoresis; human ameloblastin Available at various institutes of the ASCR
Characterization of Ca2+ binding properties of human ameloblastin I and II isoforms and ameloblastin C-term proteins by capillary electrophoresis

Sázelová, Petra; Vetýšková, Veronika; Boušová, Kristýna; Vondrášek, Jiří; Kašička, Václav
Ústav organické chemie a biochemie, 2022

Study of complexation of 5-phenylazopyrimidines with β-cyclodextrin by affinity capillary electrophoresis
Štěpánová, Sille; Procházková, Eliška; Hruzíková, Anna; Čechová, Lucie; Janeba, Zlatko; Kašička, Václav
2022 - English
Keywords: affinity capillary electrophoresis; β-cyclodextrin; 5-phenylazopyrimidines Available at various institutes of the ASCR
Study of complexation of 5-phenylazopyrimidines with β-cyclodextrin by affinity capillary electrophoresis

Štěpánová, Sille; Procházková, Eliška; Hruzíková, Anna; Čechová, Lucie; Janeba, Zlatko; Kašička, Václav
Ústav organické chemie a biochemie, 2022

Hmotnostně spektrometrické zobrazování
Vrkoslav, Vladimír; Strnad, Štěpán; Kučera, L.
2022 - Czech
Těžiště kurzu bude v MALDI hmotnostním zobrazování. V první části budou shrnuty poznatky a postupy přípravy vzorků, nanášení matrice, měření a vyhodnocováním MALDI MSI analýz. Následovat bude blok věnovaný praktickým zkušenostem MALDI MSI lipidů, metabolitů a dalších analytů na tkáňových řezech a jiných planárních površích. Závěr bude věnován molekulovému zobrazování s využitím dalších používaných ionizačních technik (DESI, DAPPI, LAESI, atd.). The course will focus on MALDI mass spectrometry imaging. Knowledge and procedures of sample preparation, matrix application, measurement, and evaluation of MALDI MSI will be summarized. The first part will be followed by a block dedicated to the practical experience of MALDI MSI of lipids,metabolites, and other analytes on tissue sections and other planar surfaces. We will also explain MSI by other ionization techniques (DESI, DAPPI, LAESI, etc.) Keywords: MALDI - MSI; DESI; sample preparation Available at various institutes of the ASCR
Hmotnostně spektrometrické zobrazování

Těžiště kurzu bude v MALDI hmotnostním zobrazování. V první části budou shrnuty poznatky a postupy přípravy vzorků, nanášení matrice, měření a vyhodnocováním MALDI MSI analýz. Následovat bude blok ...

Vrkoslav, Vladimír; Strnad, Štěpán; Kučera, L.
Ústav organické chemie a biochemie, 2022

Sborník 23. ročníku Školy hmotnostní spektrometrie. Krátký kurz B. Hmotnostně-spektrometrické zobrazování
Cvačka, Josef; Vrkoslav, Vladimír; Hubálek, Martin; Vlk, Mikuláš
2022 - Czech
Keywords: MALDI-MSI; DESI; group comparison; sample preparation Available at various institutes of the ASCR
Sborník 23. ročníku Školy hmotnostní spektrometrie. Krátký kurz B. Hmotnostně-spektrometrické zobrazování

Cvačka, Josef; Vrkoslav, Vladimír; Hubálek, Martin; Vlk, Mikuláš
Ústav organické chemie a biochemie, 2022

Copper complexes with triazoles
Jaklová Dytrtová, Jana; Jakl, M.
2020 - English
Triazoles are artificial chemicals used as fungicides as well as for pharmaceutical treatment. However, their reactivity is highly influenced by the presence of other chemicals. Especially, the presence of copper cations changes the reactivity of triazole by theoretically unexpected way. We have studied the interactions of the triazole ring with copper cations to help explain the reactivity of triazoles as a group. Keywords: triazoles; Cu(I); Cu(II); mass spectrometry; ESI-MS; complexes Available at various institutes of the ASCR
Copper complexes with triazoles

Triazoles are artificial chemicals used as fungicides as well as for pharmaceutical treatment. However, their reactivity is highly influenced by the presence of other chemicals. Especially, the ...

Jaklová Dytrtová, Jana; Jakl, M.
Ústav organické chemie a biochemie, 2020

Separation of triazoles from real samples with capillary electrophoresis
Kovač, Ishak; Jakl, M.; Šolínová, Veronika; Jaklová Dytrtová, Jana
2020 - English
The CE has become one of the advantageous tools in fungicides analysis in complex matrices due to its simplicity and separation efficiency. The separation of a group of thee triazole (i.e. penconazole, tebuconazole, and cyproconazole) fungicides was achieved with CD-MEKC with anionic Sg-CD as a selector at pH=4,8. The background electrolyte consisted of TRIS phosphate buffer (50 mmol/L) and 15 mmol/L SDS. The separation was performed on uncoated fused silica capillary with 500/425 mm (total/effective) length under -15 kV separation voltage. Achieved LOD values with this method were: 0,73, 1,88, 0,60, 1,18 (umol/L) for penconazole, tebuconazole, cyproconazole A and B respectively. Keywords: capillary electrophoresis; penconazole; tebuconazole; cyproconazole; γ-cyclodextrin Available at various institutes of the ASCR
Separation of triazoles from real samples with capillary electrophoresis

The CE has become one of the advantageous tools in fungicides analysis in complex matrices due to its simplicity and separation efficiency. The separation of a group of thee triazole (i.e. ...

Kovač, Ishak; Jakl, M.; Šolínová, Veronika; Jaklová Dytrtová, Jana
Ústav organické chemie a biochemie, 2020

Tebuconazole and its behaviour in the presence of magnesium
Jakl, M.; Jaklová Dytrtová, Jana
2020 - English
Tebuconazole is a fungicide frequently used in agriculture. Its possible impact to (non-)target species is influenced by its presence. Moreover, the presence of triazoles in soil has an impact to bioavailability of nutrients. This study brings the information potentially useful in the evaluation of tebuconazole fate in the environment. The studies based on the electrospray gas phase experiments provide an estimation of the tebuconazole ability to create complexes with magnesium. Keywords: triazoles; Mg(II); mass spectrometry; ESI-MS; complexes Available at various institutes of the ASCR
Tebuconazole and its behaviour in the presence of magnesium

Tebuconazole is a fungicide frequently used in agriculture. Its possible impact to (non-)target species is influenced by its presence. Moreover, the presence of triazoles in soil has an impact to ...

Jakl, M.; Jaklová Dytrtová, Jana
Ústav organické chemie a biochemie, 2020

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