| People | Locations | Statistics |
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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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Higginbotham, Clement
Athlone Institute of Technology
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (30/30 displayed)
- 2024Response Surface Modelling Nafion-117 Sorption of Tetraammineplatinum(II) Chloride in the Electroless Plating of IPMCscitations
- 2019Stability studies of hot-melt extruded ternary solid dispersions of poorly-water soluble indomethacin with poly(vinyl pyrrolidone-co-vinyl acetate)and polyethylene oxidecitations
- 2018Enhancing the bioavailability of hydrophobic drugs using hot melt extrusion
- 2018Investigation of miscibility estimation methods between indomethacin and poly(vinylpyrrolidone-co-vinyl acetate)citations
- 2017Halloysite nanotube reinforced polylactic acid compositecitations
- 2016Synthesis and characterization of high density polyethylene/peat ash compositescitations
- 2016Chemical surface modification of calcium carbonate particles with stearic acid using different treating methodscitations
- 2016Melt Extruded Bioresorbable Polymer Composites for Potential Regenerative Medicine Applicationscitations
- 2016The effect of the mixing routes of biodegradable polylactic acid and polyhydroxybutyrate nanocomposites and compatibilised nanocompositescitations
- 2014The effect of processing conditions for polylactic acid based fibre composites via twin-screw extrusioncitations
- 2014Effect of Compatibilizer Content on the Mechanical Properties of Bioplastic Composites via Hot Melt Extrusioncitations
- 2014Improvement in mechanical properties of grafted polylactic acid composite fibers via hot melt extrusioncitations
- 2014Melt Processing of Bioplastic Composites via Twin Screw Extrusion and Injection Moldingcitations
- 2013Mechanical and biodegradation performance of short natural fibre polyhydroxybutyrate compositescitations
- 2011Assessing the effect of selected photoinitiators on the properties of photopolymerised temperature sensitive hydrogels
- 2011Nano-enhanced food contact materials and the in vitro toxicity to human intestinal cells of nano-ZnO at low dose
- 2011Nano-enhanced food contanct materials and the in vitro toxicity to human intestinal cells of nano-ZnO at low dose.
- 2010Physical and mechanical properties of blends based on poly (dl-lactide), poly (l-lactide-glycolide) and poly (ε-caprolactone)citations
- 2010In vitro degradation and drug release from polymer blends based on poly(dl-lactide), poly(l-lactide-glycolide) and poly(ε-caprolactone)citations
- 2010Characterisation of the effects of a titanium micro particle filler on a polyether-block-amide host matrixcitations
- 2009Development and characterisation of an agar-polyvinyl alcohol blend hydrogelcitations
- 2008Characterisation and controlled drug release from novel drug-loaded hydrogelscitations
- 2008The significance of variation in extrusion speeds and temperatures on a PEO/PCL blend based matrix for oral drug deliverycitations
- 2007The effect of salts and pH buffered solutions on the phase transition temperature and swelling of thermoresponsive pseudogels based on N-isopropylacrylamidecitations
- 2007Preparation of monolithic matrices for oral drug delivery using a supercritical fluid assisted hot melt extrusion processcitations
- 2007The incorporation of an organically modified layered silicate in monolithic polymeric matrices produced using hot melt extrusioncitations
- 2007The synthesis, swelling behaviour and rheological properties of chemically crosslinked thermosensitive copolymers based on N-isopropylacrylamidecitations
- 2007Preparation of a novel freeze thawed poly(vinyl alcohol) composite hydrogel for drug delivery applicationscitations
- 2006The use of Agar as a novel filler for monolithic matrices produced using hot melt extrusioncitations
- 2006Lower critical solution temperature control and swelling behaviour of physically crosslinked thermosensitive copolymers based on N-isopropylacrylamidecitations
Places of action
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article
Preparation of a novel freeze thawed poly(vinyl alcohol) composite hydrogel for drug delivery applications
Abstract
<p>We describe a drug delivery system based on a physically cross-linked poly(vinyl alcohol) (PVA) hydrogel for the release of Theophylline (TH). A composite was created by freezing an aqueous solution of PVA/NaOH onto a PVA/poly(acrylic acid) substrate. This formed a strong interface and demonstrated greater physical strength than the hydrogel alone. Such systems have potential for a variety of localised controlled drug delivery applications, for example, as coatings for implantable devices. Importantly, the results suggest that a versatile synthetic platform is possible that may provide different functional materials or combination of such. The resultant samples were characterised using optical microscopy, modulated differential scanning calorimetry (MDSC) and dissolution testing. The microstructure of the gels was examined using micro-thermal analysis (μTA) which is a combination of atomic force microscopy and thermal analysis. TH was found to have an effect on the crystalline structure and dissolution showed a Fickian release, suggesting that swelling and crystallinity were the controlling mechanisms.</p>