Autor: Radu, Mihaela - Prolib Integro

Skocz do pozycji: 1.

Tytuł:: Depletion of intracellular glutathione and increased lipid peroxidation mediate cytotoxicity of hematite nanoparticles in MRC-5 cells
Autorzy:: Radu, Mihaela
Munteanu, Maria
Petrache, Sorina
Serban, Andreea
Dinu, Diana
Hermenean, Anca
Sima, Cornelia
Dinischiotu, Anca
Tematy:: MRC-5 cells
antioxidant enzymes
glutathione
lipid peroxidation
hematite nanoparticles; Pokaż więcej
Wydawca:: Polskie Towarzystwo Biochemiczne
Powiązania:: https://bibliotekanauki.pl/articles/1040384.pdf Link otwiera się w nowym oknie
Opis:: Particles generated from numerous anthropogenic and/or natural sources, such as crystalline α-Fe2O3 nanoparticles, have the potential to damage lung cells. In our study we investigated the effects of these nanoparticles (12.5 µg/ml) on lipid peroxidation and the antioxidative system in MRC-5 lung fibroblast cells following exposure for 24, 48 or 72h. Exposure to α-Fe2O3 nanoparticles increased lipid peroxidation by 81%, 189% and 110% after 24, 48 and 72h, respectively. Conversely, the reduced glutathione concentration decreased by 23.2% and 51.4% after 48 and 72h of treatment, respectively. In addition, an augmentation of the activities of superoxide dismutase, catalase, glutathione peroxidase, glutathione transferase and glutathione reductase within the interval between 48-72h was noticed. Taking into account that the reduced glutathione level decreased and the malondialdehyde level, a lipid peroxidation product, remained highly increased up to 72h of exposure, it would appear that the MRC-5 antioxidant defense mechanisms did not efficiently counteract the oxidative stress induced by exposure to hematite nanoparticles.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Geographia Polonica Vol. 94 No. 4 (2021)
The Chinese minority in Bucharest: A case study of Chinese children raised and cared for by Romanian nannies
Autorzy:: Mocanu, Irena. Autor
Săgeată, Radu. Autor
Mitrică, Bianca. Autor
Persu, Mihaela. Autor
Damian, Nicoleta. Autor
Wydawca:: IGiPZ PAN
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Opis:: 24 cm
Since 1990, many Chinese immigrants have come to Romania. These Chinese persons are full time involved in the profitable wholesale and retail trade activities; they have families and children, cared for by Romanian nannies. The study is focused on the particularities of an intercultural dialogue, unique and recenlty highlighted in the Romanian society: between the Romanian nannies and Chinese children, located in a representative urban area for the Chinese minority. The aim of paper is to analyses how two cultures have interacted for the purpose of child care, focusing on the ways in which the life, experiences, attitudes and opportunities of Chinese children are socially and spatially shaped, influenced and structured by cultural features of the Romanian nannies.
Dostawca treści:: RCIN - Repozytorium Cyfrowe Instytutów Naukowych

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