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Biocompatibility of Chitosan Carriers with Application in Drug Delivery
Centre for Molecular and Structural Biomedicine (CBME), Institute for Biotechnology and Bioengineering (IBB), Faculty of Sciences and Technology, University of Algarve, Campus de Gambelas, Faro 8005-139, Portugal
Department of Pharmacy and Pharmaceutical Technology, Faculty of Pharmacy, University of Santiago de Compostela, Campus Vida, Santiago de Compostela 15782, Spain
These authors contributed equally to this work.
* Author to whom correspondence should be addressed.
Received: 26 June 2012; in revised form: 3 August 2012 / Accepted: 21 August 2012 / Published: 17 September 2012
Abstract: Chitosan is one of the most used polysaccharides in the design of drug delivery strategies for administration of either biomacromolecules or low molecular weight drugs. For these purposes, it is frequently used as matrix forming material in both nano and micron-sized particles. In addition to its interesting physicochemical and biopharmaceutical properties, which include high mucoadhesion and a great capacity to produce drug delivery systems, ensuring the biocompatibility of the drug delivery vehicles is a highly relevant issue. Nevertheless, this subject is not addressed as frequently as desired and even though the application of chitosan carriers has been widely explored, the demonstration of systems biocompatibility is still in its infancy. In this review, addressing the biocompatibility of chitosan carriers with application in drug delivery is discussed and the methods used in vitro and in vivo, exploring the effect of different variables, are described. We further provide a discussion on the pros and cons of used methodologies, as well as on the difficulties arising from the absence of standardization of procedures.
Keywords: biocompatibility; chitosan; cytotoxicity; genotoxicity; microparticles; nanoparticles
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Cite This Article
MDPI and ACS Style
Rodrigues, S.; Dionísio, M.; López, C.R.; Grenha, A. Biocompatibility of Chitosan Carriers with Application in Drug Delivery. J. Funct. Biomater. 2012, 3, 615-641.
Rodrigues S, Dionísio M, López CR, Grenha A. Biocompatibility of Chitosan Carriers with Application in Drug Delivery. Journal of Functional Biomaterials. 2012; 3(3):615-641.
Rodrigues, Susana; Dionísio, Marita; López, Carmen Remuñán; Grenha, Ana. 2012. "Biocompatibility of Chitosan Carriers with Application in Drug Delivery." J. Funct. Biomater. 3, no. 3: 615-641.