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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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Sauceau, Martial
IMT Mines Albi
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (21/21 displayed)
- 2023Foaming of PLA biocomposites by supercritical CO2 assisted extrusion process
- 2023Foaming of PLA biocomposites by supercritical CO2 assisted extrusion process
- 2022Supercritical CO2 assisted foam extrusion for aeronautical sandwich structure manufacturing
- 2021Rheological characterization of sludge in divided granular-like and pasty states using a granular rheometercitations
- 2021PLA-based biocomposites foaming by supercritical CO2 assisted batch process
- 2021PLA-based biocomposites foaming by supercritical CO2 assisted batch process
- 2021Blending and foaming thermoplastic starch with poly (lactic acid) by CO 2 ‐aided hot melt extrusioncitations
- 2021Foaming of PLA-based Biocomposites by Supercritical CO2 Assisted Batch Process : Effect of Processing and Cellulose Fibres on Foam Microstructure
- 2021Foaming of PLA-based Biocomposites by Supercritical CO2 Assisted Batch Process : Effect of Processing and Cellulose Fibres on Foam Microstructure
- 2019Determination of drug-polymer solubility from supersaturated spray-dried amorphous solid dispersions: a case study with Efavirenz and Soluplus®citations
- 2019Determination of drug-polymer solubility from supersaturated spray-dried amorphous solid dispersions: a case study with Efavirenz and Soluplus®citations
- 2017Modelling Nucleation and Cell Size During the Continuous Process of Extrusion Assisted by Supercritical CO 2
- 2017A uniaxial cyclic compression method for characterizing the rheological and textural behaviors of mechanically dewatered sewage sludgecitations
- 2016Characterisation of natural fibre reinforced PLA foams prepared by supercritical CO 2 assisted extrusioncitations
- 2012Use of supercritical CO2-aided and conventional melt extrusion for enhancing the dissolution rate of an active pharmaceutical ingredientcitations
- 2011On-line rheological measurement of a binary mixture polymer/sc-CO2 in an extruder
- 2011New challenges in polymer foaming: A review of extrusion processes assisted by supercritical carbon dioxidecitations
- 2010Biosourced polymer foam production using a (SC CO2) -assisted extrusion process
- 2008Application of the Markov chain theory for modelling residence time distribution in a single screw extruder
- 2004Supercritical carbon dioxide : an efficient tool for the production of ultra-fine particles for the food and pharmaceutical industries
- 2002Extraction and precipitation particle coating using supercritical CO2citations
Places of action
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article
Determination of drug-polymer solubility from supersaturated spray-dried amorphous solid dispersions: a case study with Efavirenz and Soluplus®
Abstract
Amorphous solid dispersions (ASDs) are found to be a well-established strategy for overcoming limited aqueous solubility and poor oral bioavailability of active pharmaceutical ingredients (APIs). One of the main parameters affecting ASDs physical stability is the API solubility in the carrier, because this value determines the maximal API load without a risk of phase separation and recrystallization. Phase-diagrams can be experimentally obtained by following the recrystallization of the API from a supersaturated homogeneous API-polymer solid solution, commonly produced by processes as solvent casting or comilling, which are very time-consuming (hours). The work deals with the construction of a temperature-composition EFV-Soluplus® phase diagram, from a thermal study of recrystallization of a supersaturated solid solution (85 wt% in EFV) generated by spray drying. This supersaturated solution is kept at a given annealing temperature to reach the equilibrium state and the amount that still remains dispersed in the polymer carrier at this equilibrium temperature is determined by means of the new glass transition temperature of the binary mixture. From our knowledge, this is the first study employing a fast process (spray drying) to prepare a supersaturated solid solution of an API in a polymer aiming to determine a temperature-composition phase diagram. The EFV solubility in Soluplus ranges from 20 wt% at 25 °C to 30 wt% at 40 °C. It can be a very useful preformulation tool for researchers studying amorphous solid dispersions of Efavirenz in Soluplus, to assist for predicting the stability of EFV-Soluplus ASDs at different EFV loadings and under different thermal conditions.