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Author: Edmund Newton Harvey
Publisher:
ISBN:
Category : Bioluminescence
Languages : en
Pages : 228
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Book Description
Author: Edmund Newton Harvey
Publisher:
ISBN:
Category : Bioluminescence
Languages : en
Pages : 228
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Book Description
Author: Edmund Newton Harvey
Publisher:
ISBN:
Category :
Languages : en
Pages : 178
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Book Description
Author: E. Newton Harvey
Publisher:
ISBN: 9781330835838
Category : Science
Languages : en
Pages : 214
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Book Description
Excerpt from The Nature of Animal Light Bioluminescence, the production of light by animals and plants, has always excited the admiration of the layman and the wonder of the scientist. It is not surprising that an enormous literature dealing with the subject has grown up. A large part of this literature, however, is made up merely of reports that a certain animal is luminous, or records of especially brilliant phosphorescence of the sea. Among those who have inquired somewhat more carefully into the nature and causes of light production may be mentioned the names of Beijerinck, R. Boyle, Dahlgren, Dubois, Ehrenberg, Krukenberg, Mangold, McDermott, Molisch, Panceri, Pfluger, Phipson, Quatre-fages, Spallanzani, and Trojan. Several of these men have written comprehensive monographs on the subject. It is not the purpose of this book to deal with every phase of bioluminescence. Volumes could be written on the evolutionary side of the problem and the structure and uses of luminous organs. These questions can only be touched upon. Neither is it my purpose to discuss the ultimate cause of the light, whether due to vibration of electrons or to other causes. That problem must be left to the physicist, although it is highly probable that a study of animal light will give important information regarding the nature of light in general, and no theory of light can be adequate which fails to take into account the extraordinary powers of luminous animals. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works."
Author: Edmund Newton Harvey
Publisher:
ISBN:
Category : Bioluminescence
Languages : en
Pages : 182
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Book Description
Author: E. Newton Harvey
Publisher: CreateSpace
ISBN: 9781505427820
Category :
Languages : en
Pages : 86
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Book Description
This collection of literature attempts to compile many of the classic works that have stood the test of time and offer them at a reduced, affordable price, in an attractive volume so that everyone can enjoy them.
Author: Edmund Newton Harvey
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 216
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Book Description
Author: E. Newton Harvey
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: E Newton 1887-1959 Harvey
Publisher: Sagwan Press
ISBN: 9781297948954
Category :
Languages : en
Pages : 216
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Book Description
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Author: Gábor Horváth
Publisher: Springer Science & Business Media
ISBN: 3662093871
Category : Science
Languages : en
Pages : 465
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Book Description
The subject of this volume is two-fold. First, it gathers typical polarization patterns occurring in nature. Second, it surveys the polarization-sensitive ani mals, the physiological mechanisms and biological functions of polarization sensitivity as weIl as the polarization-guided behaviour in animals. The monograph is prepared for biologists, physicists and meteorologists, espe cially for experts of atmospheric optics and animal vision, who wish to under stand and reveal the message hidden in polarization patterns of the optical environment not directly accessible to the human visual system, but measur able by polarimetry and perceived by many animals. Our volume is an attempt to build a bridge between these two physical and biological flelds. In Part I we introduce the reader to the elements of imaging polarimetry. This technique can be efflciently used, e. g. in atmospheric optics, remote sens ing and biology. In Part 11 we deal with typical polarization patterns of the natural optical environment. Sunrise/sunset, clear skies, cloudy skies, moonshine and total solar eclipses all mean quite different illumination conditions, wh ich also affect the spatial distribution and strength of celestial polarization. We pre sent the polarization patterns of the sky and its unpolarized (neutral) points under sunlit, moonlit, clear, cloudy and eclipsed conditions as a function of solar elevation. The polarization pattern of a rainbow is also shown. That part of the spectrum is derived in which perception of skylight polarization is optimal under partly cloudy skies.
Author: E. Newton Harvey, Ph. D
Publisher:
ISBN: 9781518858697
Category :
Languages : en
Pages : 208
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Book Description
It is not the purpose of this book to deal with every phase of bioluminescence, the production of light by animals and plants. Volumes could be written on the evolutionary side of the problem and the structure and uses of luminous organs. These questions can only be touched upon. Neither is it the purpose to discuss the ultimate cause of light, whether due to vibration of electrons or to other causes. That problem must be left to the physicist, although it is highly probably that a study of animal light will give important information regarding the nature of light in general, and no theory of light can be adequate which fails to take into account the extraordinary powers of luminous animals. This work is concerned largely with the physical characteristics of animal light and the chemical processes underlying its production. CONTENTS (Originally published in 1920.) I. Light-Producing Organisms Early records and theories. "Shining fish and flesh." "Burning of the sea." Distribution of luminous organisms in plant and animal kingdoms. Secondary luminosity. False luminosity. St. Elmo's fire. Ignis fatuus. Flashing of flowers. Luminosity in man. Use to man of photogenic organisms. II. Luminescence and Incandescence The complete spectrum. Radiation and temperature. "Cold light." Thermoluminescence. Phosphorescence and fluorescence. Triboluminescence and piezoluminescence. Crystalloluminescence. Chemiluminescence. III. Physical Nature of Animal Light Purkinje phenomenon. Color and spectra of animal light. Polarization. Efficiency of animal light. Infra-red radiation. Ultra-violet radiation. Luminous efficiency and visual sensibility. Production of radiation penetrating opaque objects. Intensity of animal light. Summary. IV. Structure of Luminous Organs Photochemical and chemiphotic changes. The eye and the luminous organ. Intracellular and extracellular luminescence. Continuous and intermittent luminescence. Periodicity of luminescence. Luminous bacteria. Noctiluca and photogenic granules. Chætopterus and luminous gland cells. Cypridina. Luminous glands. The firefly. Luminous organs (photophores) with lenses, reflectors, opaque and color screens. Uses and purpose of animal light. V. The Chemistry of Light Production, Part I Boyle's and Spallanzani's experiments. Shining wood and burning coal. Oxygen and luminescence. Carbon dioxide and luminescence. Heat production during luminescence. Luminescence and respiration. Water and luminescence. Phipson's noctilucin. Luciferin and luciferase. Photogenin and photophelein. Proluciferin. Oxyluciferin. Pyrophorin or luciferescein. Chemiluminescent reactions. "Biozymoöxyluminescence." VI. The Chemistry of Light Production, Part II Pyrophorus luciferin and luciferase. Pholas luciferin and luciferase. Cypridina luciferin; stability, hydrolysis by acid and enzymes, adsorption, precipitation, salting out, solubility, distribution. Cypridina luciferin a proteose? Cypridina luciferase and properties. Cypridina luciferase an albumin. Specificity of luciferase. Action of fat solvent anæsthetics. Action of cyanides. Oxyluciferin. Nature of oxidative reaction. VII. Dynamics of Luminescence Minute amounts of material for luminescence. Reaction velocity and chemiluminescence. Temperature and chemiluminescence. Oxidation in steps. Concentration and bioluminescence. Temperature and bioluminescence. Oxidation with and without luciferase. Reaction velocity and color of bioluminescence.
