#$%^&*AU2015202025A120150514.pdf#####BIORESORBABLE EMBOLIZATION MICROSPHERES ABSTRACT The present disclosure is generally directed to an enbolic material which is in the form of a microsphere or a plurality of microspheres. The eimbolic material generally comprises caboxymethyl chitosan (CCN) crosslinked with carboxymethyl cellulose (0MC). In some embodiments, the embolic material may further comprise a Therapeuic agent, such as doxorubicin.