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Liquid mixing time and gas holdup in a bubble column bioreactor
Terentyak, Mark
2023 - anglický
The aim of the research is the experimental study of homogenisation and saeration in a bubble column in dependence on operational conditions and aspect ratio.
Klíčová slova:
bubble column bioreactor; gas holdup; experiments
Plné texty jsou dostupné v digitálním repozitáři NUŠL
Liquid mixing time and gas holdup in a bubble column bioreactor
The aim of the research is the experimental study of homogenisation and saeration in a bubble column in dependence on operational conditions and aspect ratio.
PHYSICOCHEMICAL CHARACTERISTICS AND EVOLUTION OF AEROSOL FROM OPEN COMBUSTION OF BIOMASS DURING THE TRADITIONAL “BURNING OF THE WITCHES”
Mbengue, Saliou; Vodička, Petr; Komínková, Kateřina; Schwarz, Jaroslav; Zíková, Naděžda; Vítková, Gabriela; Windell, Laurence Christian; Suchánková, Lenka; Lhotka, Radek; Julaha, Kajal; Prokeš, Roman; Šmejkalová Holubová, A.; Ondráček, Jakub; Ždímal, Vladimír; Holoubek, Ivan
2023 - anglický
Open biomass burning (OBB) is a major source releasing large quantities of gaseous and particulate pollutants into the atmosphere, with global, regional and local impacts on air quality, public health and climate (Andreae, 2019, Chen et al., 2017). OBB aerosols mainly consist of carbonaceous matter, and a considerable amount of inorganic salts, which present distinctly different optical properties (Chen et al., 2017, Reid et al., 2005). In this study, we investigate the influence of OBB during the traditional Burning of the Witches (BoW), referred to in Czech as “Pálení čarodějnic”, on the physico-chemical properties of atmospheric aerosols collected at the National Atmospheric Observatory Košetice (NAOK). The BoW is a centuries-old pagan tradition very popular in the Czech Republic. Today, it is celebrated during the night from April 30 to May 1 by lighting bonfires made of woodpiles with fake witches.
Klíčová slova:
biomass burning; air pollution; size distribution; atmospheric ageing
Plné texty jsou dostupné v digitálním repozitáři Akademie Věd.
PHYSICOCHEMICAL CHARACTERISTICS AND EVOLUTION OF AEROSOL FROM OPEN COMBUSTION OF BIOMASS DURING THE TRADITIONAL “BURNING OF THE WITCHES”
Open biomass burning (OBB) is a major source releasing large quantities of gaseous and particulate pollutants into the atmosphere, with global, regional and local impacts on air quality, public health ...
PM1 UNDER THE MICROSCOPE: MULTI-ANNUAL AEROSOL OPTICAL PROPERTIES AND SIZE DISTIRBUTION OBSERVATION AT PERI-URBAN ATMOSPHERIC SITE ATOLL
Suchánková, Lenka; Bourrianne, E.; De Fillipi, R.; De Brito, J. F.; Riffault, V.; Prokeš, Roman; Holoubek, Ivan; Ždímal, V.; Crumeyrolle, S.
2023 - anglický
Atmospheric aerosols (AA) belong to short-lived climate forcers with high spatial and temporal variability. Although the radiative effects of AA are greatest on regional scales, changes in aerosol emissions can induce long-term global climate effects (Szopa et al., 2021). Thus, the measurement of aerosol properties is essential for better understanding of aerosol’s impact on health and climate. Although several international projects and platforms have been monitoring AA properties worldwide (GAW, WMO, ACTRIS, EMEP, EUCAARI, etc., Pandolfi et al., 2018), only PM10 or PM2.5 cutoff sizes have been used for measurements, and information about PM1 particles is missing. \nThe aim of this study is to present aerosol scattering properties with supporting data of absorption and particle number size distribution in PM1 in years 2018-2022 at peri-urban atmospheric site “Atmospheric Observations in LiLLE (ATOLL) in Lille, France. This study is the first to present results dedicated to aerosol scattering properties at this site.
Klíčová slova:
pm1; scattering coefficient; nephelometer; fossil fuel and biomass burning contribution; aethalometer; smps
Plné texty jsou dostupné v digitálním repozitáři Akademie Věd.
PM1 UNDER THE MICROSCOPE: MULTI-ANNUAL AEROSOL OPTICAL PROPERTIES AND SIZE DISTIRBUTION OBSERVATION AT PERI-URBAN ATMOSPHERIC SITE ATOLL
Atmospheric aerosols (AA) belong to short-lived climate forcers with high spatial and temporal variability. Although the radiative effects of AA are greatest on regional scales, changes in aerosol ...
CECE 2023. 18th International Interdisciplinary Meeting on Bioanalysis
Foret, František; Lavická, Jana; Přikryl, Jan
2023 - anglický
This year the Proceedings included abstracts of 27 oral and 33 poster presentations. The attached conference proceedings, edited by highly cited scientists, documents the quality of the meeting. Similarly to the previous years the lectures were given by outstanding, highly cited, scientists. The list of speakers as well as more detailed information about the conference can be found on its permanent web at www.ce-ce.org.
Klíčová slova:
bioanalysis; separation; biotechnology
Dokument je dostupný na externích webových stránkách.
CECE 2023. 18th International Interdisciplinary Meeting on Bioanalysis
This year the Proceedings included abstracts of 27 oral and 33 poster presentations. The attached conference proceedings, edited by highly cited scientists, documents the quality of the meeting. ...
Optimization of the outflow regime in Římov reservoir from the point of view of water supply
Mercado, Ma. Cristina Paule; Hejzlar, Josef; Jarošík, Jiří; Porcal, Petr
2023 - anglický
The best management strategy for the Římov reservoir: (a) discharge from a depth of 3–5 m during the stratified season, (b) without support for SHP and with high reservoir filling, (c) reducing the phosphorus loading of the reservoir as much as possible. The impacts of climate change on water quality are significant, as inflow DOC and P concentrations here increase with temperature and flow variability. The effects of climate change can be mitigated by targeted management of the reservoir, but the quality of water inflow will still deteriorate further.
Klíčová slova:
water; dissolved organic matter; reservoir
Plné texty jsou dostupné na jednotlivých ústavech Akademie věd ČR.
Optimization of the outflow regime in Římov reservoir from the point of view of water supply
The best management strategy for the Římov reservoir: (a) discharge from a depth of 3–5 m during the stratified season, (b) without support for SHP and with high reservoir filling, (c) reducing the ...
Novel embedding resins for 3D-SEM II
Šlouf, Miroslav; Pavlova, Ewa; Strachota, Beata; Strachota, Adam; Nebesářová, Jana; Týč, Jiří; Krzyžánek, Vladislav; Skoupý, Radim
2023 - anglický
Research report for Thermo Fisher Scientific s. r. o., based on common project awarded by TA CR (program: National center of competence, TN01000008).
Klíčová slova:
novel embedding resins; 3D-SEM microscopy; higher e-beam resistance
Plné texty jsou dostupné na jednotlivých ústavech Akademie věd ČR.
Novel embedding resins for 3D-SEM II
Research report for Thermo Fisher Scientific s. r. o., based on common project awarded by TA CR (program: National center of competence, TN01000008).
Organoruthenium glycomimetics as selective galectin-1 inhibitors
Hamala, Vojtěch
2023 - anglický
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.
Klíčová slova:
galectin inhibitors; glycomimetcs; carbohydrates
Plné texty jsou dostupné v digitálním repozitáři NUŠL
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 ...
Use of photoautotrophic microorganisms in bioremediation of surface waters
Mušálková, Petra
2023 - anglický
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
Klíčová slova:
photoautotrophic microorganisms; surface water; phosphorus; bioremediation
Plné texty jsou dostupné v digitálním repozitáři NUŠL
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 ...
Investigation of recycling possibilities of discarded photovoltaic solar panels
Šperlich, Antonín
2023 - anglický
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
Klíčová slova:
photovoltaic solar panels; recycling; experiments
Plné texty jsou dostupné v digitálním repozitáři NUŠL
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 ...
The effect of meteorology and aerosol size distribution on light scattering properties at a rural background site in Central Europe
Suchánková, Lenka
2023 - anglický
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.
Klíčová slova:
properties aerosols; backscattering; measurements
Plné texty jsou dostupné v digitálním repozitáři NUŠL
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 ...
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