A5088427822- Nanomaterials for catalytic reactions
- Nanoparticles: synthesis and applications
- Gas Sensing Nanomaterials and Sensors
- ZnO doping and properties
- Conducting polymers and applications
- Iron oxide chemistry and applications
- Antimicrobial agents and applications
- biodegradable polymer synthesis and properties
- Advanced Sensor and Energy Harvesting Materials
- TiO2 Photocatalysis and Solar Cells
- Polymer Nanocomposite Synthesis and Irradiation
- Copper-based nanomaterials and applications
- Magnetic Properties and Synthesis of Ferrites
- Photopolymerization techniques and applications
- Advanced Photocatalysis Techniques
- Nanoparticle-Based Drug Delivery
- Minerals Flotation and Separation Techniques
- Polymer Science and PVC
- Seismic Performance and Analysis
- Nanocomposite Films for Food Packaging
- Dielectric materials and actuators
- Vibration Control and Rheological Fluids
- Surface Treatment and Coatings
- Adsorption, diffusion, and thermodynamic properties of materials
- Characterization and Applications of Magnetic Nanoparticles
Tomas Bata University in Zlín
2010-2021
Iron oxide nanoparticles were prepared by MW assisted solvothermal synthesis. A reaction mechanism was elucidated that allowed us to tailor the properties of particles.
The preemergence chloroacetamide herbicide metazachlor was encapsulated in biodegradable low molecular weight poly(lactic acid) micro- and submicroparticles, its release to the water environment investigated. Three series of particles, S, M, L, varying their size (from 0.6 8 μm) with various initial amounts active agent (5%, 10%, 20%, 30% w/w) were prepared by oil-in-water solvent evaporation technique gelatin as surfactant. encapsulation efficiencies reached about 60% appeared be lower for...
Abstract One of the crucial problems classical magnetorheological (MR) fluids is their high rate sedimentation. This disadvantage may be substantially eliminated using core‐shell particles. The aim this study to prepare spherical carbonyl iron (CI) particles coated with conducing polymer polypyrrole (PPy) ribbon‐like morphology. Scanning electron microscopy proved formation layer onto CI while Fourier transform infrared spectroscopy confirmed chemical structure PPy. magnetic properties...
This work focuses on an inkjet-fabricated sensor based copper oxide nanostructured particles polymer flexible substrate for the sensing of alcohol vapours and humidity at room temperature. Nanoparticles were prepared by a microwave-assisted solvothermal sealed vessel synthesis method. The ink composition was developed basis viscosity surface tension optimization addition polymeric steric surfactant dispersant. printing process optimized with help non-dimensional criteria. Silver nanoink used...
This work investigates the thermal stability of bacteriocin nisin in polylactide (PLA) and polylactide/polyethylene glycol (PLA/PEG) blends at temperatures 90 °C–180 °C. The samples were prepared by solvent cast technique characterized according to their mechanical properties. Research on PLA PLA/PEG systems was carried out exposing given films various (90 °C, 120 160 180 °C) for a duration up 48 h. Assessment antibacterial activity agar diffusion method against Micrococcus luteus, while...
Hybrid silver/zinc oxide (Ag/ZnO) nanostructured microparticles were obtained via the fast and simple microwave‐assisted synthesis. The phase structure of filler particles was revealed by X‐ray diffraction analysis. Composites with medical‐grade poly(vinyl chloride) prepared concentration from 1 to 5 wt%. scanning electron microscopy used for morphology characterization elemental analysis both composites. mechanical properties composites electrical resistivity found suitable medical device...
In this study, a hybrid Ag-ZnO nanostructured micro-filler was synthesized by the drop technique for used in plastic and medical industry. Furthermore, new antibacterial polymer nanocomposites comprising particles of up to 5 wt % blend thermoplastic polyolefin elastomer (TPO) with polypropylene were prepared using twin screw micro-compounder. The morphology crystalline-phase structure microparticles obtained characterized scanning electron microscopy powder X-ray diffractometry. specific...
This work describes the synergetic effect of polyethylene glycol (PEG) in polylactide (PLA) blends, wherein polyether acts as both plasticizer and functional additive, ensuring long‐term antimicrobial activity bacteriocin nisin. Two types PEG with molecular weights 1000 6000 g.mol −1 (20 wt.%) were used to plasticize PLA blends. The aforementioned nisin, at concentrations ranging between 0.02 0.15 wt.% (8000‐60 000 IU.g ), was incorporated into samples by solvent cast technique. various on...
This study deals with the effect of zinc oxide (ZnO) star-like filler addition to poly(vinylidene fluoride) (PVDF) matrix, and its on structural physical properties consequences vibration sensing performance. Microwave-assisted synthesis in open vessel setup was optimized for preparation shape ZnO crystalline particles. The structure confirmed by X-ray diffraction (XRD), scanning electron microscopy (SEM) energy-dispersive spectroscopy (EDX). Furthermore, PVDF-based composites were prepared...
This study serves to combine two approaches into one single step, achieve a significant improvement of the light-induced actuation capabilities. Graphene oxide (GO) is an inert material, from electrical and thermal conductivity point view, incompatible with usually-used poly(dimethylsiloxane) (PDMS) matrix. During surface-modification by surface-initiated atom transfer radical polymerization, GO was transformed conducting compatible material PDMS showing enormous capability. The...
In recent time, magnetic nanoparticles have become widely used for preparation of advanced materials and also biomedical applications.Requirement particles suitable shape size has appeared, hence, various methods been developed.Here we present rapid energy saving one-pot solvothermal synthesis using microwave pressurized system.This method allows tuning the as well their properties.Spherical Fe 3 O 4 are obtained in 30 min; they uniform with average dimensions 200 nm exhibit ferromagnetic...
This study deals with the effect of star-like zinc oxide (ZnO) filler addition into poly(vinylidene fluoride) (PVDF) matrix on its structural and physical properties consequences to mechanical energy harvesting performance.In this case, microwave-assisted synthesis was optimized for preparation unique starlike shape ZnO particles.Their crystallinity morphology/elemental composition were analyzed using XRD SEM/EDX spectroscopy, respectively.The investigation α-crystalline phase transformation...