نتایج جستجو برای: manganese oxide nanoparticle
تعداد نتایج: 225022 فیلتر نتایج به سال:
Ovarian cancer is one of the leading causes of cancer death for women throughout the Western world. Kaempferol, a natural flavonoid, has shown promise in the chemoprevention of ovarian cancer. A common concern about using dietary supplements for chemoprevention is their bioavailability. Nanoparticles have shown promise in increasing the bioavailability of some chemicals. Here we developed five ...
Pr and Mn infiltrated oxide nanoparticles are confirmed as excellent candidates for boosting the performance of standard lanthanum strontium manganese oxygen electrodes.
High-dose human exposure to manganese results in manganese accumulation in the basal ganglia and dopaminergic neuropathology. Occupational manganese neurotoxicity is most frequently linked with manganese oxide inhalation; however, exposure to other forms of manganese may lead to higher body burdens. The objective of this study was to determine tissue manganese concentrations in rhesus monkeys f...
Introduction Magnetic resonance imaging is a powerful tool for visualizing cellular/macrophage tracking and migration or inflammatory processes. MRI examinations can be performed longitudinally and non-invasively, at isotropic image resolutions approaching 50 microns within reasonable scan times in live animals. Whereas vascular and interstitial compartments are investigated using Gadolinium-ba...
The delivery of therapeutics based on RNA interference to diseased or damaged tissues in the body is a significant challenge, and the privileged tissues of the brain are among the most difficult to target. By encapsulating the RNA-based therapeutic within a hollow silicon nanoparticle coated with a thin shell of graphene oxide, the sensitive oligonucleotide can be protected from in vivo degrada...
Folic acid (FA) was conjugated to superparamagnetic iron oxide nanoparticles to develop a tumor specific contrast agent for magnetic resonance imaging (MRI). In this scheme a bifunctional poly(ethylene glycol) (PEG) linker was utilized to both increase biocompatibility and reduce nanoparticle agglomeration. The uptake of nanoparticle-PEG-FA conjugates by folate-receptor (FR) positive MCF-7 cell...
While pseudocapacitors represent a promising option for electrical energy storage, the performance of the existing ones must be dramatically enhanced to meet today's ever-increasing demands for many emerging applications. Here we report a nanostructured, mixed-valent manganese oxide film that exhibits anomalously high specific capacitance (∼2530 F/g of manganese oxide, measured at 0.61 A/g in a...
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