IPST Technical Paper Series Number 849 zyx Laccase-Mediator Systems and Oxygen Delignification-A Com parative Study z F.S. Chakar, A.J. Ragauskas, and T.J. McDonough April 2000 Submitted to International Pulp Bleaching Conference Halifax, Nova Scotia, Canada June 27-30,2000 zyx Copyright* 2000 by the Institute zyxwv of Paper Science and Technology For Members On/y