Finally, islets coated with a (PPB[2.5]/SA) 8 /PPB[2.5] multilayer film were transplanted into the portal vein of mice in a B10 to B6 allograft model; a final PPB layer was used to generate a terminal PEG layer to help prevent nonspecific binding of serum proteins to the film. 47, 59 In this model of islet transplantation, a suboptimal number ....