Number of found documents: 1327
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Organoruthenium glycomimetics as selective galectin-1 inhibitors
Hamala, Vojtěch
2023 - English
The prepared organoruthenium glycomimetics demonstrated sin gle unit nanomolar affinity to Gal-1 and over four orders of magnitude\nhigher selectivity to Gal-1 in comparison to Gal-3. The organoruthe nium galectin inhibitors were found to be nontoxic to both cancer and\nnoncancerous cell lines. Selected complexes showed an in vitro an timigratory effect against invasive cancer cell lines MDA-MB-231 and\nSK-OV-3. Keywords: galectin inhibitors; glycomimetcs; carbohydrates Available in a digital repository NRGL
Organoruthenium glycomimetics as selective galectin-1 inhibitors

The prepared organoruthenium glycomimetics demonstrated sin gle unit nanomolar affinity to Gal-1 and over four orders of magnitude\nhigher selectivity to Gal-1 in comparison to Gal-3. The organoruthe ...

Hamala, Vojtěch
Ústav chemických procesů, 2023

Use of photoautotrophic microorganisms in bioremediation of surface waters
Mušálková, Petra
2023 - English
Extensive experimental work has been executed to examine suitability of the proposed approach. Throughout the experiments, phosphorus concentration in the media was measured spectrophotometrically, to confirm the amount of phosphorus uptake,\nthe intracellular phosphorus concentration was analyzed by ICP-OES spectrophotometry.\n Keywords: photoautotrophic microorganisms; surface water; phosphorus; bioremediation Available in a digital repository NRGL
Use of photoautotrophic microorganisms in bioremediation of surface waters

Extensive experimental work has been executed to examine suitability of the proposed approach. Throughout the experiments, phosphorus concentration in the media was measured spectrophotometrically, to ...

Mušálková, Petra
Ústav chemických procesů, 2023

Investigation of recycling possibilities of discarded photovoltaic solar panels
Šperlich, Antonín
2023 - English
This work aims to find an economically effective and industrially feasible method of how to recycle discarded photovoltaic solar panels. Performed experiments determined the exact composition of photovoltaic solar panels and the advantages and disadvantages of the treatment mentioned in the literature. Results will be used for a full-scale industrial unit design for solar photovoltaic panels recycling.\n Keywords: photovoltaic solar panels; recycling; experiments Available in a digital repository NRGL
Investigation of recycling possibilities of discarded photovoltaic solar panels

This work aims to find an economically effective and industrially feasible method of how to recycle discarded photovoltaic solar panels. Performed experiments determined the exact composition of ...

Šperlich, Antonín
Ústav chemických procesů, 2023

The effect of meteorology and aerosol size distribution on light scattering properties at a rural background site in Central Europe
Suchánková, Lenka
2023 - English
The aim of this study is to characterize the light scattering properties of aerosols at the rural background site National Atmospheric\nObservatory Košetice (NAOK; 49°34’20.787”N, 15°4’48.155”E) in Central Europe, namely the coefficients of total light scattering (σsp) and backscattering (σbsp), the Ångström exponent (SAE), the backscattering ratio (b), and the asymmetry factor (g), with special attention to the influence of meteorology and aerosol size distribution on these properties. We measured σ𝑠𝑝 and σ𝑏𝑠𝑝 at three wavelengths (450, 550, and 700 nm) using the Integrating Nephelometer TSI 3563 (PM10 inlet). The measurements were performed from August 16, 2012 to December 31, 2019. Keywords: properties aerosols; backscattering; measurements Available in a digital repository NRGL
The effect of meteorology and aerosol size distribution on light scattering properties at a rural background site in Central Europe

The aim of this study is to characterize the light scattering properties of aerosols at the rural background site National Atmospheric\nObservatory Košetice (NAOK; 49°34’20.787”N, 15°4’48.155”E) in ...

Suchánková, Lenka
Ústav chemických procesů, 2023

N-alkylation of a lysergic acid derivative under PTC conditions in a continuous arrangement using sonication
Jaklová, Natalie
2023 - English
This contribution focuses on the application of sonication to the synthesis of a methyl ester of the 1-methyl-10α-methoxydihydrolysergic acid (MeLUME). Keywords: sonication; synthesis; methyl ester Available in a digital repository NRGL
N-alkylation of a lysergic acid derivative under PTC conditions in a continuous arrangement using sonication

This contribution focuses on the application of sonication to the synthesis of a methyl ester of the 1-methyl-10α-methoxydihydrolysergic acid (MeLUME).

Jaklová, Natalie
Ústav chemických procesů, 2023

PROCESSING OF THE DATA MEASURED WITH CLOUD CONDENSATION NUCLEI COUNTER IN YEAR 2020 FOR SUBMISSION TO EBAS DATABASE
Moravec, Pavel; Jindra, Tomáš; Wagner, Zdeněk; Ždímal, Vladimír
2023 - English
Aerosol particles in the atmosphere that allow water vapor to condense and form cloud droplets are called Cloud Condensation Nuclei (CCN). Elevated concentrations of CCN tend to increase the concentration and decrease the size of cloud droplets. This can lead to suppression of precipitation in shallow and short-lived clouds and to greater convective overturning and more precipitation in deep convective clouds, Rose et al.(2010). The response of cloud properties and precipitation processes to increasing anthropogenic aerosol concentrations represents one of the largest uncertainties in the current understanding of climate change. One of the fundamental challenges is to determine the ability of aerosol particles to act as CCN under relevant atmospheric conditions. Knowledge of the spatial and temporal distribution in the atmosphere is essential to incorporate the effects of CCN into meteorological models of all scales, Huang et al. (2007). Long-term CCN measurements are performed at aerosol monitoring sites such as those forming ACTRIS (Aerosols, Clouds, and Trace Gases Research Infrastructure) network. Measured data are then submitted to the EBAS database, where they are available for the other ACTRIS researchers. In this paper, we present our experience with the processing of the data measured with CCNC for submission to the EBAS database. The data prepared for submission to EBAS from year 2020 are also presented. Keywords: atmospheric aerosols; CCNC; cloud condensation nuclei concentrations Available in a digital repository NRGL
PROCESSING OF THE DATA MEASURED WITH CLOUD CONDENSATION NUCLEI COUNTER IN YEAR 2020 FOR SUBMISSION TO EBAS DATABASE

Aerosol particles in the atmosphere that allow water vapor to condense and form cloud droplets are called Cloud Condensation Nuclei (CCN). Elevated concentrations of CCN tend to increase the ...

Moravec, Pavel; Jindra, Tomáš; Wagner, Zdeněk; Ždímal, Vladimír
Ústav chemických procesů, 2023

DRONE-BASED VERTICAL MEASUREMENTS OF BLACK CARBON AEROSOLS AT A RURAL BACKGROUND AND AN URBAN SITE
Julaha, Kajal; Zíková, Naděžda; Ždímal, Vladimír
2023 - English
Black Carbon (BC) aerosols are primary particles emitted into the atmosphere as a by-product of incomplete combustion processes. BC absorbs solar radiation and altersthe radiation budget of the Earth(Bond et al., 2013). The radiative properties of BC heavily depend on its vertical profiles(Haywood and Ramaswamy, 1998). For example, BC in the free troposphere can enhance its radiative forcing by trapping energy emitted from lower cloud layers. \nThe modeling-based studies on BC vertical distribution are particularly poor (Chen et al., 2022), creating a need to measure the vertical distribution of BC on a regional scale,from areas characterized by anthropogenic emissions from the ground to those characterized by long-range transport(Ramana et al., 2010). Among all the other methods, drones have recently gained popularity because of their high-cost efficiency, flexibility, and mobility. Besides comparing BC aerosol vertical distribution at an urban and a regional background site, this study also calibrates drone measurements using a 230-meter tower. Keywords: vertical profile; drone; rural background Available in a digital repository NRGL
DRONE-BASED VERTICAL MEASUREMENTS OF BLACK CARBON AEROSOLS AT A RURAL BACKGROUND AND AN URBAN SITE

Black Carbon (BC) aerosols are primary particles emitted into the atmosphere as a by-product of incomplete combustion processes. BC absorbs solar radiation and altersthe radiation budget of the ...

Julaha, Kajal; Zíková, Naděžda; Ždímal, Vladimír
Ústav chemických procesů, 2023

Přehled účinků vybraných doplňků stravy na prevenci a léčbu kardiovaskulárních onemocnění
Šíma, Petr; Michalová, I.
2023 - Czech
Sdělení je přehledem vybraných studií, které se zabývaly účinky dlouhodobějšího podávání některých doplňků stravy,\no nichž se předpokládá, že pozitivně ovlivňují prevenci a léčbu nejzávažnějších nesdělných (chronických) onemocnění, což jsou\nv současné době především onemocnění kardiovaskulární. Jenom u nás jsou srdeční onemocnění už dlouhodobě příčinou smrti\ntéměř dvou třetin lidí.\nCílem tohoto sdělení bylo ukázat, že navzdory popularitě a masovému rozšíření doplňků stravy jsou jejich zdravotní přínosy\nsporné. The article is an overview of selected studies that dealt with the effects of long-term administration of certain dietary supplements,\nwhich are assumed to positively influence the prevention and treatment of the most serious non-communicable (chronic) diseases, which are currently mainly cardiovascular disease. Only in our country, heart diseases have been the cause of death for a long time\nalmost two-thirds of people. \nThe aim of this study was to show that despite the popularity and mass distribution of dietary supplements, their health benefits are questionable.\n Keywords: dietary supplements; cardiovascular diseases; antioxidants Fulltext is available at external website.
Přehled účinků vybraných doplňků stravy na prevenci a léčbu kardiovaskulárních onemocnění

Sdělení je přehledem vybraných studií, které se zabývaly účinky dlouhodobějšího podávání některých doplňků stravy,\no nichž se předpokládá, že pozitivně ovlivňují prevenci a léčbu nejzávažnějších ...

Šíma, Petr; Michalová, I.
Mikrobiologický ústav, 2023

Ambient organic aerosol origin at rural background site in the Czech Republic
Lhotka, Radek
2023 - English
Atmospheric aerosols (AA) are ubiquitous particles in the atmosphere that influence the Earth’s climatic system, environmental interactions, and human health. Among AA, great interest is dedicated to organic aerosols (OA) since it can represent from 20 to 90% of total submicron mass. Source apportionment of OA at background sites is one of the important tasks of current air quality protection. Keywords: organic aerosol; air quality protection; ural background site Available in a digital repository NRGL
Ambient organic aerosol origin at rural background site in the Czech Republic

Atmospheric aerosols (AA) are ubiquitous particles in the atmosphere that influence the Earth’s climatic system, environmental interactions, and human health. Among AA, great interest is dedicated to ...

Lhotka, Radek
Ústav chemických procesů, 2023

How can we best eliminate pharmaceuticals from wastewater?
Bourassi, Mahdi
2023 - English
Persistent pharmaceutical occurrence in different lakes and rivers usually originates from live stocks, agriculture, aquaculture, households, and hospitals. The presence of these compounds in the ecosystems leads to fatal consequences. Pharmaceuticals can threaten microorganisms in the environment, either causing its deterioration or allowing pathogens to gain resistance against antibiotics and medical treatments. These occurrences in the environment questions the ability of conventional treatment to remediate pharmaceutical wastewater. Keywords: wastewater; pharmaceuticals; membrane separation Available in a digital repository NRGL
How can we best eliminate pharmaceuticals from wastewater?

Persistent pharmaceutical occurrence in different lakes and rivers usually originates from live stocks, agriculture, aquaculture, households, and hospitals. The presence of these compounds in the ...

Bourassi, Mahdi
Ústav chemických procesů, 2023

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