Search Results - "Iron oxide"

Superparamagnetic iron oxide nanoparticles (SPIONs) are developed considering the importance of this class of in different fields of biochemical and biomedical applications owing to their distinctive chemical and physical properties. In this work, the preparation of iron oxide nanoparticles (SPIONs...

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Nanostructured materials containing iron oxide and carbon were synthesised using chitosan and iron chloride as chemical precursors in different proportions. These materials were applied as adsorbents and methanol sensors. The sample's characterisation used thermal analysis, temperature-programm...

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Introduction. Currently, most of the drugs used in tumor therapy are highly toxic and cause various toxic effects. Therefore, many drug delivery methods are being developed. The use of nanotechnology is one of the most promising methods. The use of magnetic iron oxide nanoparticles as antitumor agen...

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Biochar is a solid product generated through the pyrolysis of biomass materials under anaerobic or hypoxic conditions, and it is characterized by its strong adsorption capacity. To investigate the phosphorus adsorption performance of biochar derived from wheat straw, bamboo, and water hyacinth in wa...

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Uranium can be incorporated into the octahedral sites of high crystalline iron oxides such as goethite, magnetite, lepidocrocite, green-rust and hematite, in substitution of iron as either pentavalent uranium U(Ⅴ) or hexavalent uranium U(Ⅵ) during microbially induced transformation of low crystallin...

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This article presents the results of the effects of SiO2 and Fe3O4 nanoparticles on flowering, flower fertilization and nanoparticle accumulation in flower petals and almond fruit. The results showed that under normal conditions, 80% and 30% of the total number of flower buds in the almond varieties...

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The magnetite (Fe3O4) nanoparticles (MNPs) coated with poly(N-vinyl pyrrolidone) (PVP) via covalent bonds were prepared as T2 contrast agent for magnetic resonance imaging (MRI). The surface of MNPs was first coated with 3-(trimethoxysilyl) propyl methacrylate (silan A) by a silanization reaction to...

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The limited germination rate and early growth of crops pose a significant challenge to agricultural productivity, necessitating innovative solutions to enhance seed performance and plant development. This study investigates the impact of iron oxide nanoparticles, synthesized from three Fe(II) comple...

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The aim of the work, the results of which are presented in the framework of the article, was to study the of electromagnetic radiation interaction laws in the frequency range 0.7…17 GHz with two-layer structures, the surface layer of which was made using powdered titanium dioxide, and the inner laye...

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Iron oxide nanoparticles (IONPs) were synthesized using a green approach employing methanolic extracts of Plectranthus amboinicus and Dorstenia foetida. The color change from brown to black indicated IONP formation. Characterization included Ultraviolet–Visible Spectroscopy (characteristic peaks at...

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Factors affecting determination of soil available P by iron oxide impregnated paper (IOIP) were studied in this paper. The results showed that the maximum capacity of P adsorption by IOIP prepared according to our procedure reached 26 μg/cm²,, which met the requirement for a r...

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Stem-cell-based therapies rely on the transplantation of stem cells or stem-cell-derived organotypic cells into injured tissues in order to improve or restore tissue function that has been impaired by various diseases. The potential of induced pluripotent stem cells has created many applications in...

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Objective(s): Our goal was to synthesize and characterize fatty acid-capped maghemite nanoparticles (NPs) and evaluate their cytotoxic effect on human cancer and normal cell lines.Methods: Maghemite NPs were synthesized by co-precipitating iron (II) chloride tetrahydrate and iron (III) chloride hexa...

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Photopolymerization of acrylamide in aqueous solutions induced by visible light (?>400 nm) absorbed by colloidal particles of CdxZn1–xS, Fe2O3 and graphene oxide is reported. Depending on the photoinitiator nature, primary radicals are generated by monomer reduction with conduction band electrons...

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Iron oxide nanoparticles (Fe2O3) were prepared by pulsed Nd-YAG laser ablation technology for a target of iron oxide in ultra-pure water with a constant number of pulses (250) with different ablation energies (400, 500, 600, 700 and 800) mJ and formed a colloidal solution for each energy. Optical p...

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The  article  presents  the  results  of  experimental  substantiation  of  the  method  for  improving the shielding  properties  of  composite  coatings  based  on  powdered  alumina  (electrocorundum,  alum  earth), which  consists  in  modifying  the  composition  of  such  coatings  by adding ...

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Glutamate, the primary excitatory neurotransmitter in the central nervous system, plays a pivotal role in synaptic signaling, learning, and memory. Abnormal glutamate levels are implicated in various neurological disorders, including epilepsy, Alzheimer’s disease, and ischemic stroke. Despite the ut...

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Sentinel lymph node (SLN) mapping has been investigated as part of surgical staging in women with early-stage cervical cancer (CC); however, pelvic lymphadenectomy (PLND) remains the standard of care. This study aimed to assess feasibility and safety of SLN detection using superparamagnetic iron oxi...

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Objective(s): Recently, magnetic nanoparticles coated with different ligands have been utilized in diagnosis, drug delivery, and therapy. This study aimed to synthesize,  characterize, and apply Fe3O4 coated with Poly Dopamine (PDA) as an MR imaging nanoprobe and its application in metronidazole-res...

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The interactions between magnetic nanoparticles (MNP) and bio-surfaces have impacted key industries such as food, biomedicine, water purification, and agriculture. Bacteria, with their diverse bio-surfaces, offer potential for such interactions. Yet, there is a paucity of research interpreting the d...

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