Investigation of Carrageenan Aerogel Microparticles as a Potential Drug Carrier
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Carrageenan is an anionic polysaccharide offering many advantages to be used in drug delivery applications. These include availability, thermo-stability, low toxicity, and encapsulating properties. Combination of these properties with aerogel properties like large surface area and porosity make them an ideal candidate for drug adsorption and delivery applications. Emulsion-gelation technique was used to prepare carrageenan gel microparticles with supercritical CO2 for drying and loading purposes. Ibuprofen has been selected as a model drug for drug loading inside. The prepared microparticles were characterized using particle size analysis, X-ray diffraction, differential scanning calorimetry, Fourier transform infrared spectroscopy, density measurements, surface area, and porosity measurements. Finally, dissolution was applied to the loaded preparations to test in vitro drug release. Ibuprofen was successfully loaded in the amorphous form inside the prepared microparticles with a significant enhancement in the drug release profile. In conclusion, prepared carrageenan aerogel microparticles showed an excellent potential for use as a drug carrier.
KEY WORDScarrageenan Aerogels ibuprofen microparticles amorphous
The authors would like to thank Deanship of Research at Jordan University of Science and Technology (JUST) for funding this project with fund number 9/2017. The authors would like to acknowledge Scientific Research Funds (SRF) at Ministry of Higher Education (Amman, Jordan) for funding the SFT unit (MPH/2/15/2013).
Compliance with Ethical Standards
Conflict of Interest
The authors declare that they have no conflicts of interest.
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