The Eight International Congress on Photobiology and the CoZZoque InternationaZ du Centre NationaZ de Za Recherche Scientifi que (C.N.R.S.) entitled "Effets bioZogiques et bioconversion du rayonnement soLaire" have been held in Strasbourg (France) on July 20-25, 1980. "TRENDS IN PHOTOBIOLOGY" is a collection of the lectures which were presented during these· two scientific manifesta tions. This book also contains a summary of several round table discussions, together with "summing-up" reports by experts in the field. Photobiology is a very active, multidisciplinary field of re search which…mehr
The Eight International Congress on Photobiology and the CoZZoque InternationaZ du Centre NationaZ de Za Recherche Scientifi que (C.N.R.S.) entitled "Effets bioZogiques et bioconversion du rayonnement soLaire" have been held in Strasbourg (France) on July 20-25, 1980. "TRENDS IN PHOTOBIOLOGY" is a collection of the lectures which were presented during these· two scientific manifesta tions. This book also contains a summary of several round table discussions, together with "summing-up" reports by experts in the field. Photobiology is a very active, multidisciplinary field of re search which plays a growing role in modern science. More attention is being given to the beneficial as well as the detrimental effects of sunlight on living organisms, and especially on mankind. Light is a natural and essential "cofactor" of a large number of biological processes. Vision, photosynthesis, photomorphogenesis, photoregulation ... are among the most documented areas of research. On one hand, new technologies are developed which are aimed at understanding the succession of events which take place on a shorter and shorter time scale (down to picoseconds). On the other hand, the relationships between photochemical events and physiological res ponses are attracting more and more interest.
I -Photophysics and Photochemistry of Biological Molecules.- Time-Resolved Chromophore Resonance Raman and Protein Fluorescence of Intermediates in some Photobiological Changes.- Synchrotron Radiation Sources for Photobiology and Ultraviolet, Visible and Infrared Spectroscopy.- Photoacoustic Methods Applied to Biological Systems.- Dynamics of Heme Proteins.- Measurement of Rotational Diffusion of Membrane Proteins Using Optical Probes.- Flow Sorting on the Basis of Morphology and Topology.- Primary Processes in the Photochemistry of Proteins.- Models of Photoregulation.- U.V. Induced Formation of Polynucleotide-Protein Cross-linkages as a Tool for Investigation of the Nucleoprotein Structure and Function.- Round Table Summary: Endogeneous and Exogeneous Inhibitors and Sensitizers. Fundamental Aspects.- Round Table Summary: Prebiotic Photochemistry and Photochemical Reactions in Space.- Bioluminescence and its Applications.- The Trends and Future of Photobiology: Physical and Biophysical Aspects.- II -Mutagenesis, Carcinogenesis and DNA Repair.- Cell Inactivation and Mutagenesis by Solar Ultraviolet Radiation.- Photoreactivation of Pyrimidine Dimers Generated by a Photosensitized Reaction in RNA of Insect Embryos (Smittia Spec.).- Molecular Aspects of Error Prone Repair in Escherichia Coli.- Round Table Summary: Genetic Engineering and DNA Repair.- Aspects of Radiation-Induced Mutagenesis and Malignant Transformation.- Genetic Aspects of Repair Deficiency and Skin Cancer.- Immunologic Aspects of U.V. Carcinogenesis.- The Trends and Future of Photobiology: Biochemical and Genetic Aspects.- III -Photomedicine.- Skin: Structure, Natural and Therapeutical Targets of Ultra-Violet Radiation.- Photochemical Reactions of Furocoumarins.- A Photochemical Characterization of Reactions of Psoralen Derivatives with DNA.- Photobiology of Furocoumarins.- Photochemotherapy with Furocoumarins [Psoralens].- Advances in Phototherapy of Skin Diseases.- Advances in Phototherapy of Neonatal Hyperbilirubinemia.- Photodynamic Therapy of Infections.- L'Utilisation du Laser en Ophtalmologie.- Ultraviolet Prophylaxis of Adverse Effects of Environmental Chemicals on Organisms.- Round Table Summary: Usage and Testing of Sunscreens.- The Trends and Future of Photobiology: Medical Aspects.- IV -Photophysiology.- Visual Rhodopsin and Phototransduction in the Vertebrate Retina.- Photoregulation of E.coli Growth.- Photomovements of Microorganisms.- The Mechanism of the Circadian Rhythm of Photosynthesis.- Photoregulation of Neuroendocrine Rhythms.- The Effects of Artificial and Natural Sunlight upon some Psychosomatic Parameters of the Human Organism.- Intracellular Location of Phytochrome.- The Role of Phytochrome in the Natural Environment.- Phytochrome and Gene Expression.- The Trends and Future of Photobiology: Physiological Aspects.- V -Photosynthesis and Bioconversion of Solar Energy.- Organization of the Photosynthetic Pigments and Transfer of the Excitation Energy.- Laser Studies of Primary Processes in Photosynthesis.- Systematic Modification of Electron Transfer Kinetics in a Biological Protein: Replacement of the Primary Ubiquinone of Photochemical Reaction Centers with other Quinones.- Direct Measurement of Light Induced Currents and Potentials Generated by Bacterial Reaction Centers.- Primary and Associated Reactions in Photosystem II.- Biophotolysis of Water for H2 Production using Immobilized and Synthetic Catalysts.- Solar Energy Bioconversion at the Ecosystem Level.- Utilization of Solar Radiation by Phytoplankton.- Limiting Factors inPhotosynthesis. From the Chloroplast to the Plant Canopy.- Bioconversion of Solar Energy.- List of Contributors.
I -Photophysics and Photochemistry of Biological Molecules.- Time-Resolved Chromophore Resonance Raman and Protein Fluorescence of Intermediates in some Photobiological Changes.- Synchrotron Radiation Sources for Photobiology and Ultraviolet, Visible and Infrared Spectroscopy.- Photoacoustic Methods Applied to Biological Systems.- Dynamics of Heme Proteins.- Measurement of Rotational Diffusion of Membrane Proteins Using Optical Probes.- Flow Sorting on the Basis of Morphology and Topology.- Primary Processes in the Photochemistry of Proteins.- Models of Photoregulation.- U.V. Induced Formation of Polynucleotide-Protein Cross-linkages as a Tool for Investigation of the Nucleoprotein Structure and Function.- Round Table Summary: Endogeneous and Exogeneous Inhibitors and Sensitizers. Fundamental Aspects.- Round Table Summary: Prebiotic Photochemistry and Photochemical Reactions in Space.- Bioluminescence and its Applications.- The Trends and Future of Photobiology: Physical and Biophysical Aspects.- II -Mutagenesis, Carcinogenesis and DNA Repair.- Cell Inactivation and Mutagenesis by Solar Ultraviolet Radiation.- Photoreactivation of Pyrimidine Dimers Generated by a Photosensitized Reaction in RNA of Insect Embryos (Smittia Spec.).- Molecular Aspects of Error Prone Repair in Escherichia Coli.- Round Table Summary: Genetic Engineering and DNA Repair.- Aspects of Radiation-Induced Mutagenesis and Malignant Transformation.- Genetic Aspects of Repair Deficiency and Skin Cancer.- Immunologic Aspects of U.V. Carcinogenesis.- The Trends and Future of Photobiology: Biochemical and Genetic Aspects.- III -Photomedicine.- Skin: Structure, Natural and Therapeutical Targets of Ultra-Violet Radiation.- Photochemical Reactions of Furocoumarins.- A Photochemical Characterization of Reactions of Psoralen Derivatives with DNA.- Photobiology of Furocoumarins.- Photochemotherapy with Furocoumarins [Psoralens].- Advances in Phototherapy of Skin Diseases.- Advances in Phototherapy of Neonatal Hyperbilirubinemia.- Photodynamic Therapy of Infections.- L'Utilisation du Laser en Ophtalmologie.- Ultraviolet Prophylaxis of Adverse Effects of Environmental Chemicals on Organisms.- Round Table Summary: Usage and Testing of Sunscreens.- The Trends and Future of Photobiology: Medical Aspects.- IV -Photophysiology.- Visual Rhodopsin and Phototransduction in the Vertebrate Retina.- Photoregulation of E.coli Growth.- Photomovements of Microorganisms.- The Mechanism of the Circadian Rhythm of Photosynthesis.- Photoregulation of Neuroendocrine Rhythms.- The Effects of Artificial and Natural Sunlight upon some Psychosomatic Parameters of the Human Organism.- Intracellular Location of Phytochrome.- The Role of Phytochrome in the Natural Environment.- Phytochrome and Gene Expression.- The Trends and Future of Photobiology: Physiological Aspects.- V -Photosynthesis and Bioconversion of Solar Energy.- Organization of the Photosynthetic Pigments and Transfer of the Excitation Energy.- Laser Studies of Primary Processes in Photosynthesis.- Systematic Modification of Electron Transfer Kinetics in a Biological Protein: Replacement of the Primary Ubiquinone of Photochemical Reaction Centers with other Quinones.- Direct Measurement of Light Induced Currents and Potentials Generated by Bacterial Reaction Centers.- Primary and Associated Reactions in Photosystem II.- Biophotolysis of Water for H2 Production using Immobilized and Synthetic Catalysts.- Solar Energy Bioconversion at the Ecosystem Level.- Utilization of Solar Radiation by Phytoplankton.- Limiting Factors inPhotosynthesis. From the Chloroplast to the Plant Canopy.- Bioconversion of Solar Energy.- List of Contributors.
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