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- Erhardt, Leif RW, et al.
(författare)
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Task force on the management of chest pain.
- 2002
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Ingår i: European Heart Journal. - : Oxford University Press (OUP). - 1522-9645 .- 0195-668X. ; 23:15, s. 1153-1176
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Forskningsöversikt (refereegranskat)
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- Svagan, A. J., et al.
(författare)
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Rhamnogalacturonan-I based microcapsules for targeted drug release
- 2016
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Ingår i: PLOS ONE. - : Public Library of Science. - 1932-6203. ; 11:12
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Tidskriftsartikel (refereegranskat)abstract
- Drug targeting to the colon via the oral administration route for local treatment of e.g. inflammatory bowel disease and colonic cancer has several advantages such as needle-free administration and low infection risk. A new source for delivery is plant-polysaccharide based delivery platforms such as Rhamnogalacturonan-I (RG-I). In the gastro-intestinal tract the RG-I is only degraded by the action of the colonic microflora. For assessment of potential drug delivery properties, RG-I based microcapsules (~1 μm in diameter) were prepared by an interfacial poly-addition reaction. The cross-linked capsules were loaded with a fluorescent dye (model drug). The capsules showed negligible and very little in vitro release when subjected to media simulating gastric and intestinal fluids, respectively. However, upon exposure to a cocktail of commercial RG-I cleaving enzymes, ~ 9 times higher release was observed, demonstrating that the capsules can be opened by enzymatic degradation. The combined results suggest a potential platform for targeted drug delivery in the terminal gastro-intestinal tract.
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