نتایج جستجو برای: γ fe2o3
تعداد نتایج: 78174 فیلتر نتایج به سال:
Homogeneous and stable magnetic nanofluids containing γ-Fe2O3 nanoparticles were prepared using a two-step method, and their thermal transport properties were investigated. Thermal conductivities of the nanofluids were measured to be higher than that of base fluid, and the enhanced values increase with the volume fraction of the nanoparticles. Viscosity measurements showed that the nanofluids d...
AIM To determine cytotoxicity and effect of silica-coated magnetic nanoparticles (MNPs) on immune response, in particular lymphocyte proliferative activity, phagocytic activity, and leukocyte respiratory burst and in vitro production of interleukin-6 (IL-6) and 8 (IL-8), interferon-gamma (IFN-γ), tumor necrosis factor-alpha (TNF-α), and granulocyte macrophage colony stimulating factor (GM-CSF)....
Quinazolinone derivatives are essential units in a wide range of relevant pharmacophores with a broad spectrum of abilities. Due to their wide range of pharmacological and therapeutic activities including anticonvulsant, anti-inflammatory, hypolipidemic, anticancer, and anti-ulcer, the synthesis of quinazolinone moieties as a privileged class of fused heterocyclic compounds, have received much ...
In this study, the thermal conductivity of aqueous nanofluids containing clusters iron oxide (Fe3O4/γ-Fe2O3) nanoparticles has been investigated experimentally for first time, with aim assessing role a controlled aggregation in these final nanofluids. For that, different cluster size (46–240 nm diameter range) were synthesized by solvothermal method and fully characterized transmission electron...
Quinazolinone derivatives are essential units in a wide range of relevant pharmacophores with a broad spectrum of abilities. Due to their wide range of pharmacological and therapeutic activities including anticonvulsant, anti-inflammatory, hypolipidemic, anticancer, and anti-ulcer, the synthesis of quinazolinone moieties as a privileged class of fused heterocyclic compounds, have received much ...
quinazolinone derivatives are essential units in a wide range of relevant pharmacophores with a broad spectrum of abilities. due to their wide range of pharmacological and therapeutic activities including anticonvulsant, anti-inflammatory, hypolipidemic, anticancer, and anti-ulcer, the synthesis of quinazolinone moieties as a privileged class of fused heterocyclic compounds, have received much ...
امروزه نانوکامپوزیت های مغناطیسی توجه بسیاری از محققان در زمینه های پزشکی، مهندسی و محیط زیست را به خود جلب کرده اند. تلفیق خواص اجزا مختلف کامپوزیت و ارائه قابلیت های جدید باعث کاربرد های گوناگون نانوکامپوزیت های مغناطیسی شده است. در این پروژه نانوکامپوزیت های مغناطیسی کربنات لانتانیوم به روش کلاسیکی و نانوکامپوزیت های مغناطیسی اکسی کربنات لانتانیوم در حضور امواج فراصوت تهیه شده است. ساختار و ...
This study presents an analysis of a set iron oxides nanoparticles (NPs) (γ-Fe2O3, α-FeOOH, δ-FeOOH, 5Fe2O3·9H2O, and Fe3O4) as potential candidates for ferroptosis therapy in terms phase state, magnetic characteristics, the release Fe2+/Fe3+ ROS mediators. Due to values saturation magnetization Fe3O4 (31.6 emu/g) γ-Fe2O3 (33.8 emu/g), well surface area these particles (130 123 m2/g), it is pos...
This study aims to evaluate the effects of maghemite nanoparticles (γ-Fe2O3) coated with meso-2, 3-dimercaptosuccinic acid (DMSA) stabilizer on the survival and reproduction of the aquatic snail Biomphalaria glabrata. The cumulative means of egg masses and eggs per individual in the control group at the end of 4 weeks were 18.8 and 326.7, respectively. These values at the concentration of 1 mg/...
Iron oxides/reduced graphene oxide composites were synthesized by facile thermochemical reactions of graphite oxide and FeSO4 · 7H2O. By adjusting reaction temperature, α-Fe2O3/reduced graphene oxide and Fe3O4/reduced graphene oxide composites can be obtained conveniently. Graphene oxide and reduced graphene oxide sheets were demonstrated to regulate the phase transition from α-Fe2O3 to Fe3O4 v...
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