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Wyświetlanie 1-7 z 7
Tytuł:
W poszukiwaniu idealnego chromojonofora
In pursuit of ideal chromoionofore
Autorzy:
Zarzeczańska, Dorota
Wcisło, Anna
Smułka, Agata
Ossowski, Tadeusz
Powiązania:
https://bibliotekanauki.pl/articles/2200576.pdf
Data publikacji:
2022
Wydawca:
Polskie Towarzystwo Chemiczne
Tematy:
chromojonofory
chromofor
antrachinon
spektrofotometria UV-VIS
rozpoznanie molekularne
chromoionophore
chromophore
anthraquinone
UV-VIs spectroscopy
molecular recognition
Opis:
In pursuit for new chromoionophores, it is important to know their functioning, which depends primarily on theirstructure. The structures of chromoionophores were discussed, highlighting the elements that have a significant impact on their operation, i.e. the binding and visualization of metal ion binding. Chromoionophores are composed of a binding and signaling group. Valinomycin, salinomycin and synthetic crown ethers are presented as ionophores. Using the anthraquinone as an example, the function of the chromophore system was defined and discussed. It has been shown that an element connecting the main components of the chromoionophore may also play an important role. The action of chromoionophores is directly related to their acid-base properties, which can influence both ion binding and the visualization of interactions. The examples of aminoanthraquinone derivatives show the influence of the number of groups, position in the anthraquinone ring and the order of amino groups on the basicity of chromoionophores.
Źródło:
Wiadomości Chemiczne; 2022, 76, 7-8; 663--676
0043-5104
2300-0295
Pojawia się w:
Wiadomości Chemiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Reaktory elektrochemiczne w przemyśle : konstrukcja i zastosowania
Electrochemical reactors in industry : construction and application
Autorzy:
Parasińska, Dominika
Skowierzak, Grzegorz
Ossowski, Tadeusz
Powiązania:
https://bibliotekanauki.pl/articles/2200423.pdf
Data publikacji:
2023
Wydawca:
Polskie Towarzystwo Chemiczne
Tematy:
reaktory elektrochemiczne
elektrolizery
ogniwa
electrochemical reactors
electrolysers
cells
Opis:
Over the years, electrochemical reactions have ceased to be seen only as laboratory experiments or simple batteries. Although the reaction mechanism and the construction of simple reactors have been known to mankind for over 100 years, it is in recent years that the greatest increase in interest in this field can be noted. New and better reactor construction projects are constantly being developed. Modifications are not only the types and forms of materialsfrom which the electrodes are made, but also the separation methods, the form of the electrolyte or the method of current flow. Such a wide range of innovations allowed for the development of new, more and more interesting applications for these processes. The presence of electrochemical methods can be seen in industry in the processes of obtaining chemical reagents, metals and more complex compounds, such as drugs, and also refining metals by galvanization. In addition, electrochemistry is used in many analytical instruments as a sensor, for example in pH measurements. The aspect of using electrochemical reactors for energy purposes as a source of electricity generation that does not emit harmful pollutants and does not require further use of fossil fuels is also becoming more and more important. In addition, thanks to electrolysis, there is also the possibility of generating hydrogen, which, apart from many other applications, is also starting to play an increasingly important role as a new, harmless fuel. One should also not forget about developing the possibility of wastewater treatment with greater efficiency than the existing treatment methods, especially of small amounts of compounds. This article aims to review both recently developed methods for the construction of electrochemical reactors, as well as their range of applications and the possibilities of further development of these methods.
Źródło:
Wiadomości Chemiczne; 2023, 77, 3-4; 273--294
0043-5104
2300-0295
Pojawia się w:
Wiadomości Chemiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Probiotic Bacillus sp. environmental strains as a component of improved dishwasher cleaning product
Autorzy:
Banaszczyk, Justyna
Jędrzejczak, Gabriela
Zarzeczańska, Dorota
Ramotowska, Sandra
Fiutak, Marta
Skowron, Małgorzata
Ossowski, Tadeusz
Skowron, Piotr
Jeżewska-Frąckowiak, Joanna
Powiązania:
https://bibliotekanauki.pl/articles/1179658.pdf
Data publikacji:
2017
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Dishwasher microbiota
MALDI-TOF microorganism identification
Probiotic microorganisms
Surface colonization
Opis:
The use of probiotics has become a mainstream application in pharmaceutical, food, cosmetic and cleaning technologies. Probiotic microorganisms seem to be a remedy for the problem of undesired, persistent microbiological contamination or uncontrolled biofilm formation in the automatic household equipments, dedicated to the undirect contact with food. We propose the mixture of commonly widespread and bio-safe environmental probiotic Bacillus sp. strains as a component of an improved cleaning product for automatic dishwashers. Our design of probiotic-improved cleaning product combines the chemical detergent formula and probiotic Bacillus sp. preparation in two separate pockets of self-soluble cleaning capsule. To pinpoint the validity of an improved probiotic-based cleaning product design, we present a case study of the microflora from the chosen localizations of an old household dishwasher. The swab collecting, followed by bacterial cultivation and MALDI-TOF identification revealed Enterobacter cloacae and Pseudomonas oleovorans forming the major inner microflora of an old household dishwasher, where a commonly available dishwashing products were used. We applied probiotic Bacillus sp. improved cleaning product to a model dishwasher in a conventional cleaning cycle and conducted the before-after trial to identify the inner microflora in chosen localizations. Using standard microbiological Gram-staining method with microscopic observation, followed by MALDI-TOF identification we confirmed, that Bacillus sp. replaced Acinetobacter sp., residing formerly model dishwasher filter and water drain. Conducted experiments have shown the potential for use of the chosen probiotic Bacillus sp. strains mixture as an addition for encapsulated formula of cleaning product, to provide microbiologically safe and controllable conditions during the conventional dishwasher cleaning cycle.
Źródło:
World Scientific News; 2017, 72; 141-149
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Molecular modeling of singlet-oxygen binding to anthraquinones in relation to the peroxidating activity of antitumor anthraquinone drugs
Autorzy:
Liwo, Adam
Jeziorek, Danuta
Ossowski, Tadeusz
Dyl, Dariusz
Tempczyk, Anna
Tarasiuk, Jolanta
Nowacka, Małgorzata
Borowski, Edward
Woźnicki, Wiesław
Powiązania:
https://bibliotekanauki.pl/articles/1045203.pdf
Data publikacji:
1995
Wydawca:
Polskie Towarzystwo Biochemiczne
Źródło:
Acta Biochimica Polonica; 1995, 42, 4; 445-456
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
First insight into microbial community composition in a phosphogypsum waste heap soil
Autorzy:
Zielińska, Sylwia
Radkowski, Piotr
Ossowski, Tadeusz
Ludwig-Gałęzowska, Agnieszka
Łoś, Joanna
Łoś, Marcin
Powiązania:
https://bibliotekanauki.pl/articles/1038561.pdf
Data publikacji:
2017
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
microbial community
16S rRNA gene
soil sample
postproduction waste
phosphogypsum
reclamation
Opis:
The aim of this study was to investigate the soil microbial communities of a phosphogypsum waste heap. The soil microbial community structures can differ over time, as they are affected by the changing environmental conditions caused by a long-term exposure to different kinds of pollutions, like is the case of soil in the post-production waste area in Wiślinka (in the northern part of Poland) currently undergoing restoration. Our analyses indicated that the most abundant phyla were Proteobacteria, Acidobacteria, and Actinobacteria, and generally such an abundance is common for most of the studied soils. The most dominant class were Alphaproteobacteria, with their participation in 33.46% of the total reads. Among this class, the most numbered order was Sphingomonadales, whereas among this order the Sphingomonadaceae family was the most abundant one. The Sphingomonadaceae family is currently in the center of interest of many researchers, due to the ability of some of its members to utilize a wide range of naturally occurring organic compounds and many types of environmental contaminants. This kind of knowledge about microbial populations can support efforts in bioremediation and can improve monitoring changes in the contaminated environments.
Źródło:
Acta Biochimica Polonica; 2017, 64, 4; 693-698
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-7 z 7

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