A5081480933- Hydrogels: synthesis, properties, applications
- Nanoparticle-Based Drug Delivery
- Advanced Drug Delivery Systems
- Characterization and Applications of Magnetic Nanoparticles
- Iron oxide chemistry and applications
- Magnetic Properties and Synthesis of Ferrites
- Supercapacitor Materials and Fabrication
- Lignin and Wood Chemistry
- Conducting polymers and applications
- Polymer Surface Interaction Studies
- Electrochemical sensors and biosensors
- ZnO doping and properties
- Transition Metal Oxide Nanomaterials
- Electrohydrodynamics and Fluid Dynamics
- Pigment Synthesis and Properties
- Graphene and Nanomaterials Applications
- Proteins in Food Systems
- Minerals Flotation and Separation Techniques
- Advanced Sensor and Energy Harvesting Materials
- Catalytic Processes in Materials Science
- Nanomaterials for catalytic reactions
- Copper-based nanomaterials and applications
- Pickering emulsions and particle stabilization
- Nanocomposite Films for Food Packaging
- Polysaccharides Composition and Applications
Universidade Estadual de Ponta Grossa
2018-2025
Universidade Estadual de Maringá
2012-2023
Automation and Process Engineering Laboratory
2015-2020
Centre National de la Recherche Scientifique
2015-2020
Université Claude Bernard Lyon 1
2015-2020
École d'Ingénieurs en Chimie et Sciences du Numérique
2016-2019
Foam glasses have potential of using in several fields due to their high porosity. Usually, the foam are prepared though chemical approach where powdered glass is mixed with foaming agents at temperatures. However, such approach, emission gaseous pollutants (e.g. CO2) from most used can be harmful environment. Thus, understanding mechanisms formation quite important eliminate drawbacks afore mentioned, as well as, give us more information on processing steps. Herein, we propose a new route...
Aminodextran (AMD) coated magnetic cobalt ferrite nanoparticles are synthesized via electrostatic adsorption of aminodextran onto and their potential theranostic application is evaluated. The uncoated aminodextran-coated characterized to determine hydrodynamic size, morphology, chemical composition, zeta magnetization. containing nanometer size positively charged in the pH range from 3 9 exhibit saturation magnetization 50 emu/g. resonance imaging (MRI) indicates capability for diagnostics a...
In the present work, hybrid microgels based on chitosan and SiO2 nanoparticles (NPs) were synthesized. Both NPs submitted to chemical modification reactions having vinyl groups incorporated into their structures. The synthesized by emulsion polymerization. SEM analysis indicated a high dispersity of diameter for microgels, ranging between (18.7 ± 12.3) μm samples without SiO2-VTS (11.3 8.07) with SiO2-VTS. material showed pH-responsiveness, especially in acidic pHs. longest release lasted 45...
Magnetic microgels based on chitosan, modified with glycidyl methacrylate (GMA) and activated folic acid (FA), cobalt ferrite nanoparticles, GMA (GMACoFe2O4), were synthesized by emulsion polymerization. The size of the round-shaped microgels, without GMACoFe2O4, ranged from (1.62 ± 0.38) μm to (1.71 0.61) μm, respectively. Their release behavior was evaluated in presence absence a magnetic field (MF), using vitamin-B12 as model drug. In MF, at pH 7.4, fast observed, reaching equilibrium...
This work reports the synthesization of nanoparticles cobalt oxide (Co3O4) with no secondary phase by a modified sol-gel method and its structural morphological electrochemical characterizations. FTIR, XRD Raman analysis showed formation spinel phase. TEM images revealed that an undefined morphology average crystallite size estimated Scherrer's equation was found to be 30 nm. Experiments cyclic voltametric, galvanostatic charge-discharge impedance spectroscopy were evaluated at 1 mol L-1 KOH...
Fe 2 O 3 nanoparticles (as maghemite and hematite mixtures) were prepared using adapted sol-gel method from a polyvinylpyrrolidone (PVP) aqueous solution in various 3+ : PVP monomer ratios. Analysis of X-ray diffraction was obtained to evaluate the crystalline state, average crystallite size, composition iron oxide phases. The morphology size evaluated by electronic transmission microscopy. Magnetic properties analyzed at low room temperatures. Optical characteristics UV-Vis photoacoustic...
The most stable form of iron oxide is Hematite (α-Fe2O3), which has interesting electronic, catalytic, and magnetic properties showing size dependent characteristics. At room temperature, weakly ferromagnetic with a rhombohedral corundum structure. Upon cooling, the structure undergoes first order spin reorientation, in net moment lost. This transition called Morin transition. In this work, been analyzed as function temperature applied field nanoparticles. magnetization was measured range...
This work describes the synthesis, characterization and application of a pH- magnetic-responsive PEG hydrogel (HG) nanocomposite as platform for drug delivery.