166 articles about chitosan were published in May 2015. In the rank of nations scientists from China gained with 39 publications the leading position, followed by India (16), the US (12) and Italy (11). The research priorities focused on nanoparticles, evaluation studies and pharmaceutical preparations.

In April 139 publications have been released about chitosan, which mainly focused on topics like evaluation studies, pharmaceutical preparations and nanoparticles. The leading nations in the field of chitosan research are China (48 articles), India (18) and USA (13).

The jear 2013 was an outstanding year for chitosan research, as a new record of publications has been achieved. Throughout the year, 1845 articles about chitosan and chitosan derivatives have been published, which mainly focused on animal and human studies, nanoparticles, pharmaceutical preparations and evaluation studies. The leading scientists in the field of chitosan were Rui L. Reis (University of Minho, Portugal), Shantikumar V. Nair (Amrita Vishwa Vidyapeetham University, India) and Andreas Bernkop-Schnürch (University of Innsbruck, Austria).

In September and October 2013, 290 publications about chitosan and its diverse derivatives have been released. They present novel formulations of chitosan-based nanoparticles and pharmaceutical preparations and performed animal and human studies. The leading nations in chitosan research are China (75 articles), India (37) and USA (27).