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Diffusion transport in interpolyelectrolyte matrix systems based on chitosan and Eudragit L100

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Abstract

With a view to the development of new controlled drug delivery systems, the formation of an interpolyelectrolyte complex (IPEC) between chitosan (CTS) and Eudragit L100 (L-100) has been studied. The structure of this IPEC is such that two maxima are observed in the curves of IPEC swelling in the media with different pH values. The release of a model drug (ibuprofen) from IPEC-based tablets is significantly retarded, and this delay can be controlled by changing the molecular weight of CTS in the IPEC composition.

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Translated from Khimiko-Farmatsevticheskii Zhurnal, Vol. 39, No. 12, pp. 44–46, December, 2005.

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Mustafin, R.I., Protasova, A.A., Van den Mooter, G. et al. Diffusion transport in interpolyelectrolyte matrix systems based on chitosan and Eudragit L100. Pharm Chem J 39, 663–666 (2005). https://doi.org/10.1007/s11094-006-0042-6

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  • DOI: https://doi.org/10.1007/s11094-006-0042-6

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