Lectures: <ol> <li> Essential requirements for biomaterials for medical applications, separation of materials into fibrous and non-fibrous, advantages and disadvantages, uses, etc. </li> <li> Fiber biomaterials - biodegradable microfibers - used polymer materials, types of production technologies, properties, applications, advantages, problems, etc. </li> <li> Fiber materials - principles of DC and AC electrospinning technology. </li> <li> Fiber materials - electrospinning - modifications (fiber orientation, layer patterning, 3D objects creation.) </li> <li> Fiber materials - combination of materials - emulsion spinning, multijet electrospinning, foam spinning, nanofiber yarns, composite yarns, etc. </li> <li> Fiber Materials - Drawing - uniqueness of the process of creating individual fibers, flashspinning - an interesting technology for creating bulky scaffolds. </li> <li> Fiber Materials - Centrifugal Spinning - Basics of a Competitive Electric Spinning Process. </li> <li> Non-fibrous materials - Electrospraying. </li> <li> Non-fibrous materials - Foams - mechanical foaming, gas foaming, solvent casting, leaching. </li> <li> Non-fibrous materials - 3D printing - various variants and other principles of particle materials formation, eg solvent evaporation from emulsions. </li> <li> Postprocess modification, surface modification of polymer biomaterials. </li> <li> Testing of basic materials (polymers, polymeric liquids) for their suitability for individual production technologies (surface tension, viscosity, electrical conductivity), explanation of individual characteristics in relation to a particular production technology). </li> <li> Basic introduction of testing possibilities of manufactured materials, both fibrous and non-fibrous (optical microscopy, SEM, melting point, crystallinity). </li> <li> Examples of specific materials used, their production, their characteristics and their behavior in the process of use. </li> </ol> Exercises: Introduction of individual technologies including own production of biomaterials. Each exercise will produce material that students know exactly how they made and what the basic characteristics are. These materials can also be used for work in related subjects. <ol> <li> Electrostatic spinning from a needle - different molecular weights (layer), orientation of fibers on a rotating collector - evaluation on SEM. </li> <li> Electrospinning needle-free - various concentrations (electrospinning x electrospraying, combinations), layer patterning - evaluation on SEM. </li> <li> AC electric spinning - spinning and access diversity and in the form of fibers (layer formation, nanofiber yarn formation, composite yarn formation). </li> <li> Hydrogel formation, degree of swelling, etc. </li> <li> Drawing and centrifugal spinning and basic evaluation at SEM. </li> <li> Drug delivery - preparation of absorbable polymer microspheres and SEM evaluation. </li> <li> Gelatin foams - foaming, PCL foams - solvent casting, leaching. </li> </ol>
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