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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Sajdl, Petr
University of Chemistry and Technology
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (13/13 displayed)
- 2024Measurement system for in-situ estimation of instantaneous corrosion rate in supercritical watercitations
- 2023Beyond the Platinum Era─Scalable Preparation and Electrochemical Activation of TaS2 Flakescitations
- 2023Exploring morphological diversity of Q-carbon structures through laser energy density variationcitations
- 2022KrF Laser and Plasma Exposure of PDMS–Carbon Composite and Its Antibacterial Propertiescitations
- 2022Carbon Transformation Induced by High Energy Excimer Treatmentcitations
- 2022Surface modifications of a silicalite film designed for coating orthopaedic implantscitations
- 2022Plasma treatment of PTFE at elevated temperature: The effect of surface properties on its biological performancecitations
- 2021The effect of material and process parameters on the surface energy of polycaprolactone fibre layerscitations
- 2020Studium oxidových vrstev na slitinách zirkonia Ramanovou spektroskopií
- 2020Zr alloy protection against high-temperature oxidation: Coating by a double-layered structure with active and passive functional propertiescitations
- 2020Raman study of oxide layers on zirconium alloys using 18O tracerscitations
- 2020Cellulose acetate honeycomb-like pattern created by improved phase separationcitations
- 2017Nanocrystalline diamond protects Zr cladding surface against oxygen and hydrogen uptake : Nuclear fuel durability enhancementcitations
Places of action
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article
Plasma treatment of PTFE at elevated temperature: The effect of surface properties on its biological performance
Abstract
Polymeric biomaterials play an important role in medicine as catheters, stents, vascular grafts, or artificial heart valves. For example, PTFE has superb thermal stability, low dielectric constant, dissipation factor, excellent chemical inertness and exceptionally low frictional coefficient. However, its applicability is hampered in many cases due to its poor wettability and adhesion to other materials. In our study, we present simple technique of altering surface properties of PTFE by plasma treatment at increased temperature (from 37 °C – body temperature to 121 °C – temperature of sterilization). We have studied the effect of the modification process parameters on surface properties and biological response of the material. For biological tests we have selected vascular smooth muscle cells (VSMC) as a model line for application of our samples for applications where rapid cell growth is undesirable, such as artificial heart valves. The results have shown that proliferation of VSMC on plasma treated PTFE for 480 s at 121 °C is significantly lower compared to standard of tissue culture polystyrene (TCPS). Based on this result the risk of negative response of biological system such as inflammation, immune reactions and coalescence of VSMC in heart valve is minimized. © 2022 Elsevier Ltd