1. Purine nucleoside phosphorylase: Immobilization by covalent chromatography and a study on its sulfhydryl groups

   • G. Hakim
   • G. Solaini
   • C. A. Rossi

   OriginalPaper Pages: 185 - 192

2. The Avidin-Biotin complex in solid phase radioimmunoassays

   • Meir Wilchek

   OriginalPaper Pages: 193 - 195

3. Two-Step covalent immobilization of enzymes as a way for study of effects influencing catalytic activity

   • Peter Gemeiner
   • Peter Halák
   • katarína Poláková

   OriginalPaper Pages: 197 - 209

4. Immobilization of ß-Galactosidase on Benzoquinone-Activated Bead-Cellulose1

   • Moonjin Chun
   • Gisela Dickopp
   • Manfred Sernetz

   OriginalPaper Pages: 211 - 221

5. Analytical use of a biochemical luminous membrane

   • Yoshihito Ikariyama
   • Masuo Aizawa
   • Shuichi Suzuki

   OriginalPaper Pages: 223 - 233

6. Effect of feedback inhibition on the behavior of multienzyme monolinear reaction chains

   • M. A. El-Rifai
   • S. S. Elnashaie
   • H. Aboulfath

   OriginalPaper Pages: 235 - 243

   

7. Studies on complexation of rna with polycationic compounds and use of complexed rna as a substrate for ribonuclease

   • Chanan Singh
   • K. Anjaneyulu
   • R. D. Dua

   OriginalPaper Pages: 245 - 253

8. Micellar solubilization of biopolymers in hydrocarbon solvents. I. a structural model for protein-containing reverse micelles

   • Francis J. Bonner
   • Romain Wolf
   • Pier Luigi Luisil

   OriginalPaper Pages: 255 - 268

9. Micellar solubilization of biopolymers in hydrocarbon solvents. ii. the case of horse liver alcohol dehydrogenase

   • Peter Meier
   • Pier Luigi Luisi

   OriginalPaper Pages: 269 - 282

10. Literature and Patent Reviews

    ReviewPaper Pages: 283 - 295

11. Books Received

    Announcement Pages: 297 - 297

12. Announcement

    Announcement Pages: 299 - 299