Did you ever find a good procedure for mouse fibronectin purification? If so, can you share it with me? Regards, Gerrie Leslie, BSc.Pharm, MSc., Ph.D. President Immunology Consultants Laboratory, Inc. 141 N. Elliott Road Newberg, OR 97132 phone:503-538-5869 fax: 503-554-8510 www.icllab.com