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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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Teske, Michael
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (18/18 displayed)
- 2022Characterization of Ball-milled Poly(Nisopropylacrylamide) Nanogels
- 2022The influence of PEGDA’s molecular weight on its mechanical properties in the context of biomedical applicationscitations
- 2021A hydrogel based quasi-stationary test system for in vitro dexamethasone release studies for middle ear drug delivery systems
- 2020Smart releasing electrospun nanofibers-poly: L.lactide fibers as dual drug delivery system for biomedical application.citations
- 2020PEGDA drug delivery scaffolds manufactured with a novel hybrid AM process
- 20193D-printed PEGDA structure with multiple depots for advanced drug delivery systems
- 2019A Novel Hybrid Additive Manufacturing Process for Drug Delivery Systems with Locally Incorporated Drug Depots. citations
- 2019Thermomechanical properties of PEGDA in combination with different photo-curable comonomerscitations
- 2019Controlled biodegradation of metallic biomaterials by plasma polymer coatings using hexamethyldisiloxane and allylamine monomerscitations
- 2018Thermomechanical properties of PEGDA and its co-polymerscitations
- 2018Novel approach for a PTX/VEGF dual drug delivery system in cardiovascular applications-an innovative bulk and surface drug immobilization.citations
- 2017Osteointegration of Porous Poly-ε-Caprolactone-Coated and Previtalised Magnesium Implants in Critically Sized Calvarial Bone Defects in the Mouse Model. citations
- 2017In Vitro Evaluation of PCL and P(3HB) as Coating Materials for Selective Laser Melted Porous Titanium Implants. citations
- 2017Influence of bulk incorporation of FDAc and PTX on polymer propertiescitations
- 2015Comparison of Selective Laser Melted Titanium and Magnesium Implants Coated with PCL
- 2015Surface Modification of Biodegradable Polymers towards Better Biocompatibility and Lower Thrombogenicity.citations
- 2015Comparison of Selective Laser Melted Titanium and Magnesium Implants Coated with PCL.citations
- 2015SLM produced porous titanium implant improvements for enhanced vascularization and osteoblast seeding.citations
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article
Thermomechanical properties of PEGDA in combination with different photo-curable comonomers
Abstract
<jats:title>Abstract</jats:title><jats:p>The technology of pharmaceutical drug delivery systems (DDS) as an individual and adjustable tool for drug administration has been intensively developed in the last years. Additive manufacturing (AM) techniques, such as stereolithography, are a promising approach towards DDS scaffold manufacturing. Stereolithography, by using layerby- photo-polymerisation, creates DDS scaffolds with highly controlled 3D geometry. Combined with inkjet printing it allows a very precise positioning of the drug depot in the basic scaffold and therefore also a better control of the drug release. Furthermore, this hybrid AM technique also allows for the creation of a multi-drug DDS with a several drug depots localized in desired positions within the scaffold. Determination of the scaffold and drug depot material properties is one of the initial steps for such novel DDS development. Basic characteristics, such as stiffness, elasticity or glass transition temperature (T<jats:sub>g</jats:sub>), are important for designing and adapting the material for biomedical application. The photosensitive poly(ethylene glycol) diacrylate (PEGDA) can be easily formed into a desired biocompatible scaffold geometry via stereolithography. In this study we have focused on the evaluation of PEGDA (Mn=700 g/mol) as a pure and copolymer system in combination with other acrylates (butanediol diacrylate, pentaerythritol triacrylate) as possible materials for DDS using this novel hybrid AM technique. Irgacure 2959, a biocompatible photoinitiator (PI), was used as a radical starter for photopolymerisation. Samples varying in PI and coacrylate concentration were prepared by conventional photopolymerisation. Physico-chemical analyses of the samples were performed and several parameters, such as stiffness, elongation at break and glass transition temperatures, were determined.</jats:p>