Contents 



Page 



Preface vii 



Units and Symbols ix 



Chapter 1 . Introductory Remarks 



§ 1 . The Over-all Reaction 3 



§ 2. Chlorophylls and Carotenoicls 5 



§ 3. The Structure of the Chloroplast 8 



§ 4. The Cytochrome Systems in Plants 10 



Chapter 2. Some Photochemical Considerations 



§ 5. The Einstein Law 13 



§ 6. Examples of Photochemical Reactions 14 



§ 7. The Energy Turnover of the Photochemical Reaction 16 



§ 8. The Nature of the Free Radicals 17 



§ 9. Migration of Energy 19 



§ 10. Free Radicals as Intermediates in Photosynthesis 21 



§11. Excited States of Molecules 23 



§12. The Excited State of the Chlorophyll Molecule 26 



§ 13. Interactions Between Chlorophyll and Other Pigments 30 



§ 14. Some Final Remarks 31 



Chapter 3. The Energetics of Photosynthesis 



A. Energy Turnover 



§ 15. Chlorella and Its Cultivation 35 



§16. Principles of Manometry 38 



§ 17. Light Absorption and Its Measurement 40 



§ 18. Theory of Manometry 46 



§ 19. The Two-vessel Method 48 



§ 20. The Use of Carbonate Buffer Solutions 51 



§ 21. Energy Turnover 53 



§ 22. Application of the Quantum Theory 55 



§ 23. Photooxidation of Chlorophyll 57 



§ 24. A Chemical Actinometer 59 



§ 25. Photodissociation of Iron Carbonyl Compounds 61 



B. The Quantum Requirement 



§ 26. Quantum Requirement and Efiiciency 64 



§ 27. The Significance of Compensation 66 



§ 28. Some Instructive Experiments 69 



§ 29. The Significance of Carbon Dioxide Pressure 72 



§ 30. The Action of Blue-green Light 75 



XI 



7«44l 



