Chitosan in acetic acid

I am trying to create a solution of Chitosan (Low MW) in 1% Acetic acid. I've tried dissolving up to 3gr per 100ml. My problem is that by using extensive sonication, heating (~50 C) and stirring for days the solution is still very thick (very viscous) and you can see particles in it. Any suggestion to make chitosan soluble?
 
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Thanks for the thread! This is an automated courtesy bump. Sorry you aren't generating responses at the moment. Do you have any further information, come to any new conclusions or is it possible to reword the post? The more details the better.
 

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