Research in Photobiology (eBook, PDF)

Redaktion: Castellani, A.

• Format: PDF

Produktbeschreibung

Every four years the photobio1ogists of the world get together in an International Congress. They discuss and learn not only re search details and findings in their own, often narrow, fields but educate one another broadly in the many biological systems that interact with light. It is this latter purpose that is exemplified by these proceedings - the Symposium papers and Workshop summaries of the VIIth International Congress on Photobiology held in Rome, August 29 - September 3, 1976. Photobiology is one of the few true interdisciplinary fields. It has an air of excitement about it. A glance at the table of contents indicates clearly that photobiology and its practitioners (individuals whose primary interests are in medicine, plant sci ences, animal sciences, molecular properties, and energy conversion) interact with the entire and diverse world of living creatures. We supply not only the basic research background to help evaluate many present-day environmental problems but are also evaluating and pointing the way toward solutions to a number of these problems.

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Produktdetails

• Verlag: Springer US
• Seitenzahl: 776
• Erscheinungstermin: 6. Dezember 2012
• Englisch
• ISBN-13: 9781461341604
• Artikelnr.: 43986786

Inhaltsangabe

The Farrington Daniels Memorial Lecture Solar Energy.- Symposia.- Photophysical and Photochemical Properties of Excited States.- Photophysical and Photochemical Properties of Excited States Introduction.- The Rules of Organic Molecular Fluorescence.- Elementary Photochemical Reactions.- Photoreactions in Biological Macromolecular Complexes.- Photoreactions in Biological Macromolecular Complexes (Introductory Remarks).- Excited State Interactions and Photochemical Reactions in Protein-Nucleic Acid Complexes.- Structural Relationships in Macromolecular Complexes Determined by Photochemical Crosslinking.- Photodegradation of Biomembranes.- Photomovement in Microorganisms.- Photomovement in Microorganisms - Introduction to the Symposium.- Photomovement in Microorganisms: Strategies of Response.- Pigments Involved in the Photomotion of Microorganisms.- Speculations about Sensory Transduction.- Panel Discussion of Photomovement.- Photosynthesis.- Present Status of the O2 Evolution Model.- Low Temperature Reactions in Photosynthesis.- Control of the Electron Transfer by the Transmembrane Electric Field and Structure of System II Centers.- Modulating Effects on the Delayed Luminescence from Photosystem II of Photosynthesis.- In Vitro Photosynthesis.- Comparative Effects of Exciting and Ionizing Radiations.- Quantitative Mutagenesis by Chemicals and by Radiations: Prerequisites for the Establishment of Rad-Equivalences.- A Comparative Study of Several Survival Responses of Mammalian Cells after UV and after X-Irradiation.- Ionizing and Ultraviolet Radiations: Genetic Effects and Repair in Yeast.- Ataxia Telangiectasia: an Inherited Human Disease Involving Radiosensitivity, Malignancy and Defective DNA Repair.- Effects of Vacuum-UV and Excited Gases on DNA.- PhotosensitizedReactions of Nucleic Acids and Proteins.- Photosensitization in Biological Systems.- The Role of Oxygen in Photosynthetized Reactions of Proteins and Nucleic Acids.- New Chemical Aspects of the Photoreaction between Psoralen and DNA.- Excited States of Skin-Sensitizing Psoralens and their Reactions with Nucleic Acids.- Photochemotherapeutic, Photobiological, and Photochemical Properties of Psoralens.- Repair of Radiation Damage.- DNA Repair Schemes in Bacteria and in Human Cells.- Postreplication Repair in Human Fibroblasts.- Studies on the Enzymology of Excision Repair in Extracts of Mammalian Cells.- Human Photoreactivating Enzymes.- Effects of Ultraviolet-Light and of Some Major Chemical Carcinogens of E. Coli K12 (?).- Solar Energy Conversion Systems.- Hydrogen Metabolism in Photosynthetic Organisms, the Mechanims of Hydrogen Photoevolution.- Chemical Reactions for the Utilization of Solar Energy.- Photosynthesis - a Practical Energy Source?.- Photoproduction of Hydrogen in Photosynthetic Systems.- Determinants of Feasibility in Bioconversion of Solar Energy.- Photobiology in Medicine.- Photobiology in Medicine.- Photophysiological Research - Preventive Medicine.- Erythropoietic Protoporphyria - the Disease, and its treatment with Beta-Carotene.- Photochemotherapy of Psoriasis (PUVA).- Advantages and Disadvantages of Phototherapy in Neonatal Hyperbilirubinemia.- Phototherapy of Neonatal Jaundice: Effect on Blood Biorhythms.- Phototherapy of Human Tumors.- Cancerogenic Effects of Radiation.- Carcinogenic Effects of Radiation - Introduction.- Defective DNA Repair and Cancer.- Experimental Ultraviolet Carcinogenesis.- Sunlight and Melanomas.- Cutaneous Carcinogenic Effects of Sunlight in Humans.- Role of DNA Repair in Physical, Chemical and ViralCarcinogenesis.- Light and Development.- Control of Chloroplast Development and Chlorophyll Synthesis by Phytochrome.- Progress Toward an Understanding of the Molecular Mode of Action of Phytochrome.- Phototransformations of Phytochrome.- Biogenesis of Chloroplast Membranes in Algae.- Light-Induced Cytochrome Reduction in Neurospora Crassa Membrane Fractions.- Light Induced Degeneration of Skin: Chronic Actinic Dermatosis.- Studies on the Pathomechanics of Chronic Actinic Dermatosis.- Clinical Pattern of the Actinic Chronic Dermatosis.- Distribution and General Factors Causing Chronic Actinic Dermatosis.- Environment-Space Interactions: Photobiological Implications.- Introductory Remarks.- The Stratospheric Photochemistry of Chlorine Compounds and its Influence on the Ozone Layer.- The Effects of Solar UV-B Radiation (280-315 nm) on Higher Plants: Implications of stratospheric Ozone Reduction.- Epidemiology of Malignant Melanoma of the Skin in Norway with Special Reference to the Effect of Solar Radiation.- Estimating the Increase in Skin Cancer Caused by Increases in Ultraviolet Radiation.- Vision.- MSP Measurements of Rod and Cone Visual Pigments in a Retina (Scardinius Erythrophthalmus) that can be either Vitamin A1 - or Vitamin A2-Based.- The Ionochromic Behavior of Gecko Visual Pigments.- Membrane Adaptations of Visual Photoreceptors for the Analysis of Plane-Polarized Light.- Dynamic Aspects of the Molecular Architecture of Photoreceptor Membranes.- The Photochemistry of Rhodopsin Excited in the 280 nm (?) Band.- Degenerations of the Retina Induced by Light.- Mutagenic Effects of Radiation.- Mutagenic Repair Pathways in Yeast.- Pathways of UV Repair and Mutagenesis in Saccharomyces Cerevisiae.- Mitochondrial Mutagenesis by 2-6-Diaminopurine inSaccharomyces Cerevisiae: Effect of UV Light.- On the Molecular Mechanism of Mutagenesis by Carcinogenic Mutagens.- Chromosome Effects Induced by Low Levels of Mutagens.- Round Tables.- Units, Nomenclature and Dosimetry in Photobiology.- Protection from UV and Visible Radiations.- Topical Photoprotection of Normal Skin.- Photochemotherapy (PUVA) of Psoriasis.- Photobiology and Education.- Author Index.