1. Photochemistry and dark equilibrium of retinal isomers and bacteriorhodopsin isomers

   • W. Sperling
   • P. Carl
   • N. A. Dencher

   OriginalPaper Pages: 79 - 94

2. The role of the protein in the photochemistry of the retinal chromophore of visual pigments and the purple membrane protein

   • Thomas G. Ebrey

   OriginalPaper Pages: 95 - 95

3. Primary photophysical and photochemical processes in visual excitation

   • Aaron Lewis

   OriginalPaper Pages: 97 - 100

4. Visual chromophore electronic structure

   • Bryan E. Kohler

   OriginalPaper Pages: 101 - 106

5. Discussion to I. Primary reactions of photoreception and comparison with photosynthesis

   • R. K. Clayton
   • P. Carl
   • G. Maaz

   OriginalPaper Pages: 107 - 116

6. Transient light-induced conformational changes in rhodopsin

   • F. J. M. Daemen
   • S. L. Bonting

   OriginalPaper Pages: 117 - 120

7. Structure of the purple membrane from Halobacterium halobium

   • R. Henderson
   • P. N. T. Unwin

   OriginalPaper Pages: 121 - 121

8. Spectral studies on the conformation of rhodopsin

   • Charles N. Rafferty

   OriginalPaper Pages: 123 - 126

9. Discussion to II. Light-induced conformational changes of the rhodopsin molecule

   • J. Wyman
   • N. A. Dencher
   • K. Hamacher

   OriginalPaper Pages: 127 - 133

10. Some considerations on the ion transport properties of the rod disc membrane

    • Juan I. Korenbrot

    OriginalPaper Pages: 135 - 138

11. Closure of ionic channels in turtle cones

    • T. D. Lamb

    OriginalPaper Pages: 139 - 140

12. Calcium ion, a putative intracellular messenger for light-adaptation in Limulus ventral photoreceptors

    • J. E. Brown

    OriginalPaper Pages: 141 - 143

13. On the mechanism of conductance control of the arthropod visual cell membrane

    • Hennig Stieve

    OriginalPaper Pages: 145 - 151

14. Discussion to III. Conductivity control of the visual cell membranes

    • R. M. Meech
    • K. Hartung
    • E. Uebags

    OriginalPaper Pages: 153 - 157

15. Visual adaptation

    • W. A. H. Rushton

    OriginalPaper Pages: 159 - 162

16. The prolonged depolarizing afterpotential and its contribution to the understanding of photoreceptor function

    • Kurt Hamdorf
    • Shahrdad Razmjoo

    OriginalPaper Pages: 163 - 170

17. Dark adaptation processes in the amphibian rod

    • K. O. Donner

    OriginalPaper Pages: 171 - 173

18. Phosphorylation of rhodopsin as a possible mechanism of adaptation

    • Hermann Kühn
    • J. Hugh McDowell
    • Susanne Bader

    OriginalPaper Pages: 175 - 180

19. Discussion to IV. Light and dark adaption of the photoreceptor cell

    • M. Delbrück
    • J. Degenkolbe
    • K. -H. Leser

    OriginalPaper Pages: 181 - 182

20. V. Discussion of selected topics about the transduction mechanism in photoreceptors

    • P. Hillman
    • M. E. Keen
    • J. Winterhager

    OriginalPaper Pages: 183 - 189

21. Photostable pigments within the membrane of photoreceptors and their possible role

    • K. Kirschfeld
    • N. Franceschini

    OriginalPaper Pages: 191 - 194

22. Retinal damage by light: Possible implication of singlet oxygen

    • M. Delmelle

    OriginalPaper Pages: 195 - 198

23. Isoelectric focusing of phosphorylated cattle rhodopsin

    • Hermann Kühn
    • J. Hugh McDowell

    OriginalPaper Pages: 199 - 203

24. What does halobacterium tell us about photoreception?

    • E. Hildebrand

    Erratum Pages: 205 - 205