The big challenge in the field of medical innovations is so tiny that it is not noticeable with the naked eye. Nanotechnology – a promising and trendsetting technology. For example, with the help of drug-delivery-systems drugs can be transported to an exactly defined part within the body.
Chitosan also produces nanoparticles.

The systematic study on chitosan and its applications also significantly gains in importance in 2008. The number of articles mentioning chitosan in their title and published in biomedical journals rise by 46% compared to the number of 2007 publications. Exploratory focus of the 692 articles were mainly in the areas biotechnology and pharmaceuticals.