Photobiology: The Science of Light and LifePhotobiology - the science of light and life - begins with basic principles and the physics of light and continues with general photobiological research methods, such as generation of light, measurement of light, and action spectroscopy. In an interdisciplinary way, it then treats how organisms tune their pigments and structures to the wavelength components of light, and how light is registered by organisms. Then follow various examples of photobiological phenomena: the design of the compound eye in relation to the properties of light, phototoxicity, photobiology of the human skin and of vitamin D, photomorphogenesis, photoperiodism, the setting of the biological clock by light, and bioluminescence. A final chapter is devoted to teaching experiments and demonstrations in photobiology. This book encompasses topics from a diverse array of traditional disciplines: physics, biochemistry, medicine, zoology, botany, microbiology, etc., and makes different aspects of photobiology accessible to experts in all these areas as well as to the novice. It is intended primarily for graduate students and for researchers who wish to look outside their speciality, but can also act as a source of information for undergraduate students. |
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Contents
The Nature of Light and its Interaction with Matter | 1 |
Principles and Nomenclature for the Quantification of light | 37 |
Generation and Control of Light | 45 |
The Measurement of Light | 65 |
Natural Light | 87 |
Action Spectroscopy in Biology | 97 |
Spectral Tuning in Biology | 115 |
The Photochemical Reactions in Biological Light Perception | 153 |
Ozone Depletion and Effects of Ultraviolet Radiation | 239 |
Vitamin D | 265 |
The Photobiology of Human Skin | 281 |
Photomorphpgenesis and Photoperiodism in Plants | 299 |
The Biological Clock and its Resetting by Light | 335 |
Bioluminescence | 389 |
Hints for Teaching Experiments and Demonstrations | 411 |
441 | |
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Common terms and phrases
absorbed absorption spectrum acid actinometer action spectra action spectrum activity algae angle Arabidopsis Biol biological bioluminescence Bjorn blue light changes chlorophyll chromophore circadian clock circadian rhythms circadian system colour components cryptochrome curve cyanobacteria cycle dark daylight effects electron emission emitted energy entrainment environment excited exposure facet far-red Figure filters firefly flowering fluence rate fluorescence function gene genetic green increased induced inhibition insects interaction irradiance lamp layer lens light pulses light signal measured melatonin membrane molecular molecules mutants optical organisms oscillator oxygen ozone PAHs pathway peak phase shifts Photobiol Photobiology Photochem photolyases photon photoperiodic photoreceptor photosynthesis phototoxicity phototropin phototropism phyA phyB phytochrome Plant Cell protein provitamin reaction receptor red light reflection refractive index regulation response retina rhabdom rhodopsin role sensitivity singlet skin slit species spectral synchronizing temperature toxicity transduction ultraviolet radiation UV radiation UV-A UV-B vision visual pigments vitamin wavelength