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Wyświetlanie 1-2 z 2
Tytuł:
Potentiometric detection of the metabolic activity of human tumor cells
Autorzy:
Kwapiszewska, K.
Stępień, K.
Sendys, P.
Chudy, M.
Brzózka, Z.
Powiązania:
https://bibliotekanauki.pl/articles/115519.pdf
Data publikacji:
2013
Wydawca:
Fundacja na Rzecz Młodych Naukowców
Tematy:
cancer
in vitro cell culture
potentiometry
cell culture monitoring
Opis:
Monitoring of cellular viability is a key part of toxicological assays in vitro. On-line monitoring of metabolic activity would be particularly useful for evaluation of responses to potential therapeutic compounds. Current assays are mostly based on fluorescent dyes and optical detection methods. These methods offer high sensitivity and specificity, however are not suitable for long-term on-line observations. Electrochemical methods can be an alternative for current protocols. Electrochemical detection is low cost and label-free, therefore suitable for long-term cell culture monitoring. In this work investigations on human cancer cells viability will be presented. Cells were cultured as two-dimensional monolayer or three-dimensional spheroids. Different cell culture media were examined. Potentiometric detection was used for continuous monitoring of cell culture as well as end-point investigations. Different growth phases were identified using applied method. Finally, response to an anticancer drug was successfully observed.
Źródło:
Challenges of Modern Technology; 2013, 4, 1; 41-46
2082-2863
2353-4419
Pojawia się w:
Challenges of Modern Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Consumption of sweetened beverages as a risk factor of colonization of oral cavity by fungi - eating habits of university students
Autorzy:
Goralska, K.
Klimczak, A.
Rachubinski, P.
Jaglowska, A.
Kwapiszewska, A.
Powiązania:
https://bibliotekanauki.pl/articles/5970.pdf
Data publikacji:
2015
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
food consumption
sweetened beverage
risk factor
Candida
fungi
prevalence
colonization
oral cavity
eating habit
university student
Opis:
Foods rich in sugar are an excellent substrate for the microorganisms that inhabit the initial sections of the gastrointestinal tract, and one of the most commonly available sources of sugar is the sweetened drink. Students represent an interesting sub-population; the large number of classes and associated stress levels promote fixing of unhealthy behaviors, e.g. tendency to consume a lot of sweetened drinks, for example cola-type or energetic drinks. Aim of this study was to determine the relationship between the amount of sugar consumed in beverages and the prevalence of fungi in the oral cavity. The investigated material consisted of oral washings. Participants completed original questionnaire regarding beverages consumed. The relationship between the consumption of sweetened beverages and risk of the presence of fungi in the oral cavity was determined. Fungi were isolated from 68.1% of examined subjects. Seven species of the genus Candida were observed. Higher prevalence of fungi was seen in the oral cavity of subjects who declared consumption of beverages containing sugar. 37.8% of respondents were found to consume with beverages doses of sugar exceeding the recommended daily requirement. Significantly greater prevalence of oral cavity fungi was noted in those exceeding the recommended GDA (76.3%), compared to of those who were not (68.7%). There were positive correlations between occurrence of fungi and consumption of sweetened carbonated drinks or adding sugar to coffee and tea. The addition of sugar to coffee/tea and sugar consumption above the recommended daily amount significantly increases the risk of colonization of the oral cavity by fungi. Students, due to invalid nutritional habits especially excessive consumption of beverages containing large amounts of sugar, belong to a group with a predisposition to the occurrence of fungi in the oral cavity.
Źródło:
Annals of Parasitology; 2015, 61, 3
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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