1 Reinforcing mucus barrier properties with low molar mass chitosans Sujit Kootala 1 , Luimar Filho 2 , Vaibhav Srivastava 1 , Victoria Linderberg 1 , Amani Moussa 3 , Laurent David 3 , Stéphane Trombotto 3 , Thomas Crouzier 1 1 Division of Glycoscience School of Biotechnology Royal Institute of Technology, 106 91 Stockholm, Sweden 2 Department of Engineering Sciences, Applied Materials Science Uppsala University, 752 37 Uppsala, Sweden 3 Ingénierie des Matériaux Polymères (IMP), CNRS UMR 5223, Université Claude Bernard Lyon 1, Univ Lyon, 69622 Villeurbanne, France Keywords: chitosans, mucus, mucins, barrier, topical treatment This is a post-print version (post-peer review) of the manuscript The publisher’s original version is available at: https://doi.org/10.1021/acs.biomac.7b01670