A5066964031- Electrospun Nanofibers in Biomedical Applications
- Nanoparticle-Based Drug Delivery
- Iron oxide chemistry and applications
- Magnetic Properties and Synthesis of Ferrites
- Advanced Photocatalysis Techniques
- Advanced Nanomaterials in Catalysis
- Carbon and Quantum Dots Applications
- Membrane Separation Technologies
- Nanocluster Synthesis and Applications
- Adsorption and biosorption for pollutant removal
- Hydrogels: synthesis, properties, applications
- Nanomaterials for catalytic reactions
- Ultrasound and Cavitation Phenomena
- Nanoparticles: synthesis and applications
- Ultrasound and Hyperthermia Applications
- Diamond and Carbon-based Materials Research
- Nonlinear Optical Materials Studies
- Chromium effects and bioremediation
- Laser-Ablation Synthesis of Nanoparticles
- Nanoplatforms for cancer theranostics
- Characterization and Applications of Magnetic Nanoparticles
- Magnetic and Electromagnetic Effects
- Electrohydrodynamics and Fluid Dynamics
- Carbon Nanotubes in Composites
- Dye analysis and toxicity
Universidad de Zaragoza
2019-2025
Instituto de Nanociencia y Materiales de Aragón
2020-2025
Instituto Politécnico Nacional
2018-2020
In this work, optimized size distribution and optical properties in colloidal synthesis of gold nanoparticles (GNPs) were obtained using a proposed ultrasonic Tuerkevich-Frens method. The effect three ultrasound (20 kHz) irradiation powers has been analyzed as shape control parameter. GNPs solutions from chloroauric acid (HAuCl$_{4}$) trisodium citrate ($\rm C_{6}H_{5}Na_{3}O_{7}\cdot 2H_{2}O$) under continuous for 1 hour without any heat or stirring. surface plasmon resonance (SPR) was...
We developed a fast, single-step sonochemical strategy for the green manufacturing of magnetite (Fe3O4) magnetic nanoparticles (MNPs), using iron sulfate (FeSO4) as sole source and sodium hydroxide (Na(OH)) reducing agent in an aqueous medium. The designed methodology reduces environmental impact toxic chemical compounds minimizes infrastructure requirements reaction times down to minutes. Na(OH) concentration has been varied optimize final size properties MNPs minimize amount corrosive...
Abstract Currently, superparamagnetic functionalized systems of magnetite (Fe 3 O 4 ) nanoparticles (NPs) are promising options for applications in hyperthermia therapy, drug delivery and diagnosis. Fe NPs below 20 nm have stable single domains (SSD), which can be oriented by magnetic field application. Dispersion silicon dioxide (SiO 2 matrix allows local SSD response with uniaxial anisotropy orientation to easy axis, 90° <001> or 180° <111>. A successful, methodology produce...
This work reports a pH-triggered release system based on [email protected] mesoporous magnetic nanoparticles ([email protected]2) obtained using simple and rapid ultrasound-assisted method. Performed characterization reveals cores of Fe2.9Mn0.1O4 (38 ± 6 nm) specific loss power values adequate for hyperthermia (463 W/g), surrounded by silica shell (10 2 with large surface area (269 m2 g-1) functionalized hydroxyl groups (-OH). protected]2 were loaded DOX amino-silane grops, providing at...
This work reports on the fabrication and characterization of a novel type electrospun magnetic nanofibers (MNFs), their application as magnetically-activable catalysts for degradation organic pollutants. The stimulation capability catalytic action is provided by iron-manganese oxide (MnxFe2-xO4) nanoparticles (MNPs) embedded into polyacrylonitrile (PAN), which provides stability chemical resistance. MNPs (average size d = 40 ± 7 nm) were first obtained green fast sonochemical route,...
Many of the current strategies for removing pollutants from water are based on nanomaterials and nanotechnology. Lower values Biological Oxygen Demand (BOD5) Chemical (COD) in results reduction amount oxidizable pollutants. We present a study COD BOD5 Wadi El Bey River (Tunisia), using magnetite nanoparticles (MNPs) magnetic fields. The removal reached higher than 50% after 60 min, with optimum efficiency at pH ≈8 MNPs concentrations 1 g/L. use permanent field (0.33 T) showed an increase 61%...
Nanomaterials with enzyme-like activity have been the spotlight of scientific and technological efforts to substitute natural enzymes, not only in biological research but also for industrial manufacturing, medicine, environment healing. Notable advancements this field along last years relied on rational design single-atom active sites, knowledge underlying atomic structure, realistic ab initio theoretical models electronic configuration at site. Thus, it is plausible that a next generation...
P-type and n-type metal oxide semiconductors are widely used in the manufacture of gas sensing materials, due to their excellent electronic, electrical electrocatalytic properties. Hematite (α-Fe2O3) compound has been reported as a promising material for broad types gases, its affordability, good stability semiconducting In present work, efficient easy-to-implement sol-gel method synthesizeα-Fe2O3nanoparticles (NPs). The TGA-DSC characterizations precursor gel provided information about...
The integration of magnetic nanoparticles within fibrillar structures represents an interesting avenue for the remotely controlled release therapeutic agents. This work presents a novel drug platform based on electrospun fibers (EMFs) combining drugs, (MNPs) and mesoporous silica (MSNs) delivery via alternating fields (AMF). was demonstrated to be versatile effective hydrophilic ketorolac (KET) hydrophobic curcumin (CUR) encapsulation major response observed AMF-triggered reached using...
This study presents an alternative approach to directly synthesizing magnetite nanoparticles (MNPs) in the presence of Vitis vinifera, Vaccinium corymbosum, and Punica granatum derived from natural sources (grapes, blueberries, pomegranates, respectively). A modified co-precipitation method that combines phytochemical techniques was developed produce semispherical MNPs range size 7.7 8.8 nm are coated with a ~1.5 thick layer polyphenols. The observed structure, composition, surface...
Abstract In the present work, amine-functionalized nanodiamonds (NDs) have been encapsulated in liposomes and studied order to observe modification of their photoluminescence properties. NDs were functionalized with aromatic amines such as 1-aminopyrene 2-aminofluorene, aliphatic amine 1-octadecylamine. Morphology, structural optical properties amine-modified analyzed by transmission electron microscopy, atomic force scanning photoluminescence. The successfully lecithin prepared green...
The applications of magnetic nanoparticles (MNPs) as biocatalysts in different biomedical areas have been evolved very recently. One the main challenges this field is to design affective MNPs surfaces with catalytically active atomic centres, while producing minimal toxicological side effects on hosting cell or tissues. vanadium spinel ferrite (VFe2O4) are a promising material for mimicking action natural enzymes degrading harmful substrates due presence V5+ centres. However, toxicity has...
The integration of magnetic nanoparticles within fibrillar structures represents an interesting avenue for the remotely controlled release therapeutic agents. This work presents a novel drug platform based on electrospun fibers (EMFs) combining drugs, (MNPs) and mesoporous silica (MSNs) delivery via alternating fields (AMF). was demonstrated to be versatile effective hydrophilic ketorolac (KET) hydrophobic curcumin (CUR) encapsulation major response observed AMF-triggered reached using...
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