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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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Kennedy, James E.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (11/11 displayed)
- 2020The Effect of Various Nanoclay Surface Modifications on the Thermal and Mechanical Properties of Amorphous Polyamide Nanocomposites
- 2017Processing stability and the significance of variation in extrusion speeds and temperatures on SSB® 55 pharma grade shellac for oral drug deliverycitations
- 2017The development of a melt-extruded shellac carrier for the targeted delivery of probiotics to the coloncitations
- 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
- 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
- 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
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article
Preparation of monolithic matrices for oral drug delivery using a supercritical fluid assisted hot melt extrusion process
Abstract
<p>The use of supercritical fluids as plasticisers in polymer processing has been well documented. The body of work described in this research paper outlines the use of a supercritical CO<sub>2</sub> assisted extrusion process in the preparation of a hot melt extruded monolithic polymer matrix for oral drug delivery. Several batches of matrix material were prepared with Carvedilol used as the active pharmaceutical ingredient (API). These batches were subsequently extruded both with and without supercritical CO<sub>2</sub> incorporation. The resultant matrices were characterised using steady-state parallel plate rheometry, differential scanning calorimetry (DSC), atomic force microscopy (AFM), micro-thermal analysis (μTA) and dissolution testing. Dissolution analysis showed that the use of supercritical CO<sub>2</sub> during the extrusion process resulted in a faster dissolution of API when compared with unassisted extrusion. The supercritical CO<sub>2</sub> incorporation also resulted in reduced viscosity during processing, therefore allowing for quicker throughput and productivity. The results detailed within this paper indicate that supercritical fluid assisted hot melt extrusion is a viable enhancement to conventional hot melt extrusion for the production of monolithic dosage forms.</p>