1. Simple enzyme reactors suitable for the byproduct-free preparation of the aglycones of naturally occurring glycosides under mild conditions

   • P. Turecek
   • F. Pittner

   Original Articles Pages: 1 - 13

2. Liquid—liquid extraction of lactate dehydrogenase from muscle using polymer-bound triazine dyes

   • G. Johansson
   • M. Joelsson

   Original Articles Pages: 15 - 27

3. Effect of glutaraldehyde on the activity of some DNA restriction endonucleases

   • John Olszewski
   • Bruce P. Wasserman

   Original Articles Pages: 29 - 35

4. An engineer looks at photosynthesis

   • H. L. Y. Lam
   • H. R. Bungay
   • L. G. Culotta

   Review Pages: 37 - 73

5. Patents and literature

   • Robert J. Linhardt
   • Bohl C. P.
   • Sood A.

   Abstract Pages: 75 - 83

6. Announcements

   Announcement Pages: 85 - 85