Number of found documents: 7430
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Supported Liquid Membranes for Hollow-Fibre Based Microextraction and Voltammetric Determination of Neuroblastoma Biomarkers
Josypčuk, Bohdan; Barek, J.; Josypčuk, Oksana
2018 - English
A new type of tubular detector (TD+AuxE) was proposed, fabricated, tested and compared\nwith a typical silver amalgam tubular detector developed earlier. Non-stop-flow differential\npulse voltammetric anodic stripping method (AS-DPV) and amperometric method in a\nglucose oxidase biosensor arrangement were tested. Both detectors were applied for AS-DPV\nmeasurements in flow systems for the first time. The proposed combination of tubular\ndetector with auxiliary electrode provides a much greater current response than the classic\narrangement with three individual electrodes. All relevant parameters (potentials of\naccumulation or detection, flow rate, analyte concentrations, shielding sleeve length, etc.)\nwere optimized for the developed TD+AuxE. Keywords: Flow analysis; Amperometry; Voltammetry Available at various institutes of the ASCR
Supported Liquid Membranes for Hollow-Fibre Based Microextraction and Voltammetric Determination of Neuroblastoma Biomarkers

A new type of tubular detector (TD+AuxE) was proposed, fabricated, tested and compared\nwith a typical silver amalgam tubular detector developed earlier. Non-stop-flow differential\npulse voltammetric ...

Josypčuk, Bohdan; Barek, J.; Josypčuk, Oksana
Ústav fyzikální chemie J. Heyrovského, 2018

Monitoring of enzymatic enantioselective acetylation of gem-difluorinated alcohols by capillary electrophoresis
Šolínová, Veronika; Pomeisl, Karel; Lamatová, Nikola; Pohl, Radek; Brabcová, Jana; Krečmerová, Marcela; Kašička, Václav
2018 - English
A new fast and highly efficient capillary electrophoretic (CE) method has been developed for chiral analysis of non-charged gem-difluorinated alcohol (3-(benzyloxy)-1,1-difluoro-propan-2-ol) using sulfobutylether-β-CD as chiral selector. The method was applied for monitoring of enzymatic (lipase mediated) enantioselective acetylation of the above alcohol and for determination of enantiomeric purity of both substrates and products of the enzymatic reaction. Keywords: enantioselective acetylation; difluorinated alcohols; capillary electrophoresis Available at various institutes of the ASCR
Monitoring of enzymatic enantioselective acetylation of gem-difluorinated alcohols by capillary electrophoresis

A new fast and highly efficient capillary electrophoretic (CE) method has been developed for chiral analysis of non-charged gem-difluorinated alcohol (3-(benzyloxy)-1,1-difluoro-propan-2-ol) using ...

Šolínová, Veronika; Pomeisl, Karel; Lamatová, Nikola; Pohl, Radek; Brabcová, Jana; Krečmerová, Marcela; Kašička, Václav
Ústav organické chemie a biochemie, 2018

Optimization of photochemical vapor generation of molybdenum as a sample introduction for ICP-MS
Šoukal, Jakub; Musil, Stanislav
2018 - English
Conditions of photochemical vapor generation of molybdenum with ICP-MS detection have been in detail investigated. Keywords: ICP-MS; molybdenum; photochemical vapor generation Available at various institutes of the ASCR
Optimization of photochemical vapor generation of molybdenum as a sample introduction for ICP-MS

Conditions of photochemical vapor generation of molybdenum with ICP-MS detection have been in detail investigated.

Šoukal, Jakub; Musil, Stanislav
Ústav analytické chemie, 2018

X. Czech-Slovak Conference POLYMERS 2018. Book of Abstracts
Chytil, Petr
2018 - Czech
The book of abstracts contains summaries of all contributions to the 10th Czech-Slovak Conference POLYMERS 2018, organized by the Institute of Macromolecular Chemistry of the CAS in Třešť, October 2-5, 2018. There were 31 lectures and 19 posters presented at the conference. Sborník abstraktů obsahuje souhrn všech příspěvků prezentovaných na 10. Česko-Slovenské konferenci Polymery 2018, která byla organizována Ústavem makromolekulární chemie AV ČR v Třešti, ve dnech 2.-5. října 2018. Na konferenci bylo předneseno 31 přednášek a prezentováno 19 posterů. Keywords: macromolecular chemistry; polymer materials; polymer characterization Available at various institutes of the ASCR
X. Czech-Slovak Conference POLYMERS 2018. Book of Abstracts

The book of abstracts contains summaries of all contributions to the 10th Czech-Slovak Conference POLYMERS 2018, organized by the Institute of Macromolecular Chemistry of the CAS in Třešť, October ...

Chytil, Petr
Ústav makromolekulární chemie, 2018

Cloud Processing of Atmospheric Aerosol Spectra.
Zíková, Naděžda; Pokorná, Petra; Pešice, Petr; Sedlák, Pavel; Ždímal, Vladimír
2018 - English
Atmospheric aerosol (AA), and its influence on the cloud formation, lifetime and other properties, remains the most uncertain (with low confidence level) element in the IPCC radiative forcing estimations (Stocker et al., 2013). The AA, however, is influenced by the cloud processing as well (Collett et al., 2008., Zíková and Ždímal, 2016). Cloud processing of AA (and vice versa) can be described on fogs, or on low clouds present at a suitable station. An example of such a station is Milešovka, where fog is present for almost 55 % of the time (Fišák et al., 2009), giving a great opportunity to explore the changes in the particle size distributions due to the cloud processing. Keywords: atmospheric aerosols; fog; SMPS Available in digital repository of the ASCR
Cloud Processing of Atmospheric Aerosol Spectra.

Atmospheric aerosol (AA), and its influence on the cloud formation, lifetime and other properties, remains the most uncertain (with low confidence level) element in the IPCC radiative forcing ...

Zíková, Naděžda; Pokorná, Petra; Pešice, Petr; Sedlák, Pavel; Ždímal, Vladimír
Ústav chemických procesů, 2018

Monitoring of young-of-the-year asp and Northern pike in Svihov reservoir
Blabolil, Petr; Matěna, Josef; Halačka, Karel; Duras, J.; Kubečka, Jan
2018 - Czech
Keywords: biomanipulation; marking; piscivorous fish; recapture Available at various institutes of the ASCR
Monitoring of young-of-the-year asp and Northern pike in Svihov reservoir

Blabolil, Petr; Matěna, Josef; Halačka, Karel; Duras, J.; Kubečka, Jan
Biologické centrum, 2018

Mesoporous Polymers Created by and Their Application.
Soukupová, Krasimira; Jeřábek, Karel
2018 - English
Keywords: polymer; mesopores; microsyneresis Available at various institutes of the ASCR
Mesoporous Polymers Created by and Their Application.

Soukupová, Krasimira; Jeřábek, Karel
Ústav chemických procesů, 2018

Synthesis of Steroid Derivatives for In Vitro Diagnostics.
Kos, Martin; Váňa, Lubomír; Žádný, Jaroslav; Storch, Jan
2018 - English
This work is focused on the synthesis of novel steroidal androgen derivatives consisting of a steroidal skeleton, a spacer and imidazole ring or a primary amine functional group. The starting material for the synthesis is represented by commercial available hydroxy-androgens, which are further modified. First, the hydroxyl group is attached to the spacer and then connected to the desired imidazole or the protected primary amine. The above described derivatives will be utilized for development of analytical kits for a determination of the free steroid hormone. Keywords: steriod; dyagnostics; sythesis Available in a digital repository NRGL
Synthesis of Steroid Derivatives for In Vitro Diagnostics.

This work is focused on the synthesis of novel steroidal androgen derivatives consisting of a steroidal skeleton, a spacer and imidazole ring or a primary amine functional group. The starting material ...

Kos, Martin; Váňa, Lubomír; Žádný, Jaroslav; Storch, Jan
Ústav chemických procesů, 2018

Single-Step Purification of Raw Biogas to Biomethane Quality by Hollow Fiber Membranes without any Pre-Treatment – Innovation in Biogas Upgrading.
Žák, Michal
2018 - English
Herein, a radical innovation in biogas production is presented using a single-step membrane purification technology without any necessary pre-treatment steps for contaminant removal. Asymmetric hollow fiber membranes with a thin, selective, non-porous layer made from polyester carbonate on the bore side were successfully used in a single-step raw biogas upgrading process at biogas plant Choťovice in Czech Republic.\n Keywords: raw biogas; purification technology; hollow fiber membranes Available in a digital repository NRGL
Single-Step Purification of Raw Biogas to Biomethane Quality by Hollow Fiber Membranes without any Pre-Treatment – Innovation in Biogas Upgrading.

Herein, a radical innovation in biogas production is presented using a single-step membrane purification technology without any necessary pre-treatment steps for contaminant removal. Asymmetric hollow ...

Žák, Michal
Ústav chemických procesů, 2018

Transport Biofuels and Their Perspectives.
Kaštánek, František; Maléterová, Ywetta; Hanika, Jiří; Kaštánek, P.; Šolcová, Olga
2018 - English
There are discussed already applied procedures or procedures verified in pilot scale and only in laboratory scale. Essentially, transport biofuel technologies can be considered: Hydrolysis and fermentation of lignocelluloses to lower alcohols, transesterification of oils, production of liquid biomass pyrolysis product, so called bio-oil as the main product in addition to bio-coal and pyrolysis gases, gasification to produce synthesis gas followed by catalytic production of gasoline and naphtha hydrocarbons\n(Fischer-Tropsch synthesis), transformation of a system of chemical compounds obtained from bio-oil into hydrocarbons by catalytic hydro deoxygenation and /or hydrocarbons obtained directly from the biomass by catalytic hydro deoxygenation. Keywords: biofuels; transport; pilot scale Available in a digital repository NRGL
Transport Biofuels and Their Perspectives.

There are discussed already applied procedures or procedures verified in pilot scale and only in laboratory scale. Essentially, transport biofuel technologies can be considered: Hydrolysis and ...

Kaštánek, František; Maléterová, Ywetta; Hanika, Jiří; Kaštánek, P.; Šolcová, Olga
Ústav chemických procesů, 2018

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