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Chitosan based formulations for brain cancer. (A) Representation of the chemical conversion from chitin to chitosan. (B) Nanoparticles, nanocapsules, and micelles are some examples of chitosan formulations described in this review (Images from A,B were obtained from wikimedia commons without any modifications. Chitosan synthesis image by neurotiker, nanoparticles image design by HiguchiJu, nanocapsules image by Stephan Weiss and micelles image by Mariana Ruiz Villareal).
