Vitamin E modified cellulose membrane

There has been a demand for hemodialysis membranes of better biocompatibili ty, the use of which would reduce the incidence of complications in patient s who have been under long hemodialysis treatment. We developed a surface m odification technique consisting of forming efficiently a synthetic polymer layer on the inside of the regenerated cellulose hollow fiber without impa iring fiber performance. Our newly developed membrane has excellent biocomp atibility by modifying the inner surface and by immobilizing vitamin E (alp ha -tocopherol), which serves as an antioxidant, to the modified surface.