1. Oxygen effect and influence of buffer on radiation-induced tritium cleavage from phage-T2-DNA-(methyl-³H) in aqueous solution

   • O. Merwitz
   • W. Köhnlein

   OriginalPaper Pages: 239 - 249

2. Light-illumination effects on the cellular concentration of photolyase molecules in yeast

   • A. Fukui
   • W. Laskowski

   OriginalPaper Pages: 251 - 258

3. Effect of irradiation on immobilized enzymes compared with that on enzymes in solution

   • L. Schachinger
   • Ch. Schippel
   • E. Hochhäuser

   OriginalPaper Pages: 259 - 270

4. Relationship between DNA repair and cell recovery: Importance of competing biochemical and metabolic processes

   • S. C. van Ankeren
   • K. T. Wheeler

   OriginalPaper Pages: 271 - 280

5. Photoreactivation of damage induced by ionizing radiation in yeast cells

   • V. G. Petin
   • V. P. Komarov

   OriginalPaper Pages: 281 - 286

6. Cesium and cobalt transfer from soil to vegetation on permanent pastures

   • Ute Boikat
   • Andrea Fink
   • J. Bleck-Neuhaus

   OriginalPaper Pages: 287 - 301

7. The relationship between sensitivity to 60-Hz electric fields and induced transmembrane potentials in plants root cells

   • M. Inoue
   • M. W. Miller
   • A. A. Brayman

   OriginalPaper Pages: 303 - 314

8. Announcement

   Announcement Pages: 315 - 315