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Wyszukujesz frazę "Tuna, E." wg kryterium: Autor


Wyświetlanie 1-3 z 3
Tytuł:
Investigation of acute-phase protein concentrations in healthy and various diseased cats
Autorzy:
Tuna, G.E.
Ulutas, B.
Powiązania:
https://bibliotekanauki.pl/articles/16647378.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
acute phase protein
AGP
cat
Cp
Hp
SAA
SIRS
Opis:
This study aimed to evaluate the concentrations of α1-acid glycoprotein (AGP), haptoglobin (Hp), serum amyloid-A (SAA) and ceruloplasmin (Cp) in healthy and various diseased cats and establish reference intervals (RIs) for these acute phase proteins (APPs) in healthy cats. The animal material of the study consisted of 40 healthy cats and 152 cats with various diseases. The serum APPs in the diseased group were higher than those in the healthy group, and age affected Cp concentration in healthy cats. Also, the systemic inflammatory response syndrome (SIRS) positive (+) group had significantly higher AGP concentrations than the SIRS negative (-) group. In conclusion, this study contributes to the limited number of studies on RIs in serum APPs concentrations in healthy cats. The results of this study suggest that APPs are valuable diagnostic tools for identifying the inflammatory processes of various diseases, and AGP concentration could help determine the severity of the inflammatory condition.
Źródło:
Polish Journal of Veterinary Sciences; 2022, 25, 4; 589-597
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Curcumin abates formaldehyde-induced neurotoxicity via NO pathway and the change of minerals (calcium, iron, zinc, copper, magnesium) in brain tissue
Autorzy:
Çiftci, G.
Çenesiz, S.
Ertekin, A.
Ormancı, N.
Söğüt, M. Ü.
Tuna, E.
Çenesiz, M.
Powiązania:
https://bibliotekanauki.pl/articles/961294.pdf
Data publikacji:
2016
Wydawca:
Uniwersytet Warmińsko-Mazurski w Olsztynie / Polskie Towarzystwo Magnezologiczne im. Prof. Juliana Aleksandrowicza
Opis:
Oxidative stress has been defined as an imbalance between higher cellular levels of reactive oxygen species (ROS). If ROS are not controlled by enzymatic and non-enzymatic antioxidants, they can cause oxidative injury. Brains are protected by antioxidants from nitro-oxidative and peroxidative damage. The antioxidant enzymes are superoxide dismutase and catalase, which contain zinc (Zn) and copper (Cu) as cofactors. Also, trace elements have important effects on brain development and function. In this study, we aimed to investigate the effect of curcumin administration on the exchange of nitric oxide (NO) and on the calcium (Ca), iron (Fe), Zn, Cu, and magnesium (Mg) levels in brain tissue. Animals (a total of 30 adult Wistar albino rats, 4-6 months old) were randomly divided into three groups (n = 10): control, formaldehyde-exposed, and treated daily with curcumin after formaldehyde exposure (100 mg kg-1). At the end of the experimental period (the 14th day), NO levels were measured by ELISA. Ca, Fe, Zn, Cu, and Mg levels in whole-brain tissues were determined by Atomic Absorption Spectrophotometry in all groups. NO and Mg levels were increased and Cu and Ca levels were decreased in the group treated with curcumin when compared with the formaldehyde-only group. These changes were not statistically significant (P > 0.05). However, Fe levels were significantly reduced and Zn levels were significantly increased (P < 0.05). In conclusion, the administration of curcumin as an antioxidant may be a factor in regulating the mineral balance of the brain in conditions of oxidative stress caused by the application of FA. Curcumin may play a role in reducing FA-induced cellular damage, and may contribute to the treatment of neurodegenerative diseases such as Alzheimer’s and Parkinson’s.
Źródło:
Journal of Elementology; 2016, 21, 4
1644-2296
Pojawia się w:
Journal of Elementology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The effect of Ti content on α martensite phase transformation, and magnetic properties by Mössbauer spectroscopy in Fe-30%Ni-x%Ti (wt%) alloys
Autorzy:
Yaşar, E.
Erdem, U.
Akif Tuna, M.
Armağan, O.
Kırındı, T.
Powiązania:
https://bibliotekanauki.pl/articles/1050927.pdf
Data publikacji:
2018-05
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
martensitic transformation
Mössbauer spectroscopy
isomer shift
internal magnetic field
Opis:
In this study, the influence of Ti content on the microstructure of the martensite bcc α'), which was formed by thermal effect, was investigated by scanning electron microscope and transmission electron microscope observations, in Fe-30Ni-xTi (x=0.8, 1.8, 2.6) alloys. The crystallographic orientation relationship between austenite fcc (γ) and thermally induced bcc (α') martensite was found to be as (111)_{γ}/(011)_{α} (Kurdjumov-Sachs (K-S)), by the electron diffraction analysis. The martensitic transformation temperature (M_{s}) of α' martensite was determined as -41°, -62°, and -76 ° in the alloys with 0.8%, 1.8%, and 2.6% Ti concentration, respectively. The Mössbauer spectrometer analysis has been revealed by a paramagnetic character for the austenite phase and magnetically order character for α' martensite phase. Hyperfine magnetic field, isomer shift and volume fractions of phases were determined by the Mössbauer spectroscopy.
Źródło:
Acta Physica Polonica A; 2018, 133, 5; 1165-1169
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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