نتایج جستجو برای: nano toxicity

تعداد نتایج: 167521  

Journal: :Environmental science & technology 2009
Léna Brunet Delina Y Lyon Ernest M Hotze Pedro J J Alvarez Mark R Wiesner

The production of reactive oxygen species (ROS) by aqueous suspensions of fullerenes and nano-TiO2 (Degussa P25) was measured both in ultrapure water and in minimal Davis (MD) microbial growth medium. Fullerol (hydroxylated C60) produced singlet oxygen (1O2) in ultrapure water and both 1O2 and superoxide (O2-*) in MD medium, but no hydroxyl radicals (OH*) were detected in either case. PVP/C60 (...

تصدیقی, امیرمحمد, شکرزاده, محمد, شکی, فاطمه, مدانلو, منا,

Background and purpose: Copper is a trace element that is used in various industries. Copper nano-particles are being used in different skin care products, lubricants, oils, polymers, metal covers, plastics, inks, etc. Previous studies have shown that both copper sulfate and copper nano-particles can induce cellular genotoxicity and DNA damage. So, this study aimed at evaluating and comparing g...

AmirReza Hesari, Faezeh Ghasemi, Malihe Bagheri, Maryam Baazm , Parisa ZiaSarabi,

Background: Berberine and Nano-curcumin are two herbal medicines with strong anti-cancer effects on tumor cells, but low toxicity on normal cells, when used alone. Breast cancer is known as the most common cancer in women and second deadly one. In this study, we evaluated the cytotoxicity effects of combination Berberine and Nano-curcumin in breast cancer cell line to see whether they have furt...

Journal: :Journal of Photochemistry and Photobiology A: Chemistry 2017

2016

Zinc deficiency is a global nutritional disorder affecting majority of healthy people rather than those suffering from chronic diseases, affects about one third of people around the world and thereby causing clinical manifestations. This work represents new modality to increase the intestinal absorptivity and bioavailability of zinc from the diet by replacing traditional bulk form by zinc nanop...

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