1. Radioimmunoassay of triiodothyronine (T₃) and thyroxine (T₄)

   • H∢kan Eriksson
   • Jan Nilsson
   • Bo Mattiasson

   Original Articles Pages: 1 - 7

2. Angiogenesis inhibitors and their delivery systems

   • Robert Langer
   • Joanne Murray

   Review Pages: 9 - 24

3. Recovery of enzymes from the insoluble residue of hydrolyzed wood

   • A. P. Slnitsyn
   • M. L. Bungay
   • H. R. Bungay

   Original Articles Pages: 25 - 29

4. Stabilization of fumarase activity ofBrevibacterium flavum cells by immobilization with k-carrageenan

   • Isao Takata
   • Tetsuya Tosa
   • Ichiro Chibata

   Original Articles Pages: 31 - 38

5. Reasons for the high stability of fumarase activity ofBrevibacterium flavum cells immobilized with k-carrageenan gel

   • Isao Takata
   • Tetsuya Tosa
   • Ichiro Chibata

   Original Articles Pages: 39 - 54

6. Anisotropic membranes with carboxypeptidase G1

   • A. M. Pitt
   • S. M. Cramer
   • B. A. Solomon

   Original Articles Pages: 55 - 68

7. Patents and literature

   • M. E. Long
   • C. K. Lee
   • G. F. Miozzari

   OriginalPaper Pages: 69 - 84

8. Announcements

   Announcement Pages: 85 - 86