Phosphorescence

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Phosphorescence

Author : Thomas Lamb Phipson
ISBN : BSB:BSB10134462
Genre : Bioluminescence
File Size : 60.68 MB
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Category: Bioluminescence

Phosphorescence

Author : Julia Baird
ISBN : 9781460710890
Genre : Biography & Autobiography
File Size : 83.31 MB
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A beautiful, intimate and inspiring investigation into how we can find and nurture within ourselves that essential quality of internal happiness - the 'light within' that Julia Baird calls 'phosphorescence' - which will sustain us even through the darkest times. Over the last decade, we have become better at knowing what brings us contentment, well-being and joy. We know, for example, that there are a few core truths to science of happiness. We know that being kind and altruistic makes us happy, that turning off devices, talking to people, forging relationships, living with meaning and delving into the concerns of others offer our best chance at achieving happiness. But how do we retain happiness? It often slips out of our hands as quickly as we find it. So, when we are exposed to, or learn, good things, how do we continue to burn with them? And more than that, when our world goes dark, when we're overwhelmed by illness or heartbreak, loss or pain, how do we survive, stay alive or even bloom? In the muck and grit of a daily existence full of disappointments and a disturbing lack of control over many of the things that matter most - finite relationships, fragile health, fraying economies, a planet in peril - how do we find, nurture and carry our own inner, living light - a light to ward off the darkness? Absorbing, achingly beautiful, inspiring and deeply moving, Julia Baird has written exactly the book we need for these times.
Category: Biography & Autobiography

Phosphorescence

Author : Raffaella Barker
ISBN : 9781408853139
Genre : Fiction
File Size : 55.81 MB
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Lola Jordan's life is sinking deep into disaster. Not only does she feel like a total loser at her new London school, but then her project on phosphorescence is read out in front of the entire school assembly – and she wants the ground to swallow her up. Why on earth did she write those weird descriptions of diving under glowing green waves like a glittering mermaid? Desperate to avoid everyone finding out that Lola's spent her entire life in a tiny seaside village, things take a serious turn for the worse when her project sparks a school trip to the Norfolk village where she grew up. Suddenly she finds herself stuck on a deserted island with a group of teenagers she has nothing in common with, and a boy she can't get out of her mind. Against a background of the mysteriously sparkling sea, the two halves of Lola's life collide in an explosion of romance and adventure.
Category: Fiction

Fluorescence And Phosphorescence Of Proteins And Nucleic Acids

Author : Sergei V. Konev
ISBN : 9781468407006
Genre : Science
File Size : 46.10 MB
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Fluorescence and phosphorescence are proving to be extremely sensitive probes for elucidating conformation of proteins and nucleic acids and for studying molecular interactions. Newer instrumentation and techniques hold forth great promise for the future of these luminescence methods in biopolymer research. It must be noted, however, that the discovery that certain amino acids, purines, and pyrimidines emit fluorescence or phosphorescence is relatively recent, occurring within the last decade. Professor Konev is one of the pioneers in the application of these procedures to biopolymers and is highly qualified to write about this subject. This book, though written largely as a monograph of the author's own contributions, is also an excellent review of the subject. Of particular interest are the references to many important Russian papers in this field which have not been recognized in the Western literature. It is apparent from this book that fluorescence and phosphorescence methods are being used about as widely in Russia as elsewhere in the world and that we must not overlook these im portant contributions. Konev's studies on protein fluorescence have been widely recognized. It is of interest to learn about these and other of his applications. The last part of the book, which deals with fluorescence as a means to probe into the structure and conforma tion of macromolecules in intact cells, is most interesting. Aside from published symposia this book is the first written specifically about luminescence of biopolymers. Sidney Udenfriend Bethesda. Maryland May, 1967 v CONTENTS Introduction . • • . . . . . . . . . • . . . . . . . . . .
Category: Science

Fluorescence And Phosphorescence Spectroscopy

Author : Stephen G Schulman
ISBN : 9781483160993
Genre : Science
File Size : 52.8 MB
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Fluorescence and Phosphorescence Spectroscopy: Physicochemical Principles and Practice deals with the physicochemical principles and applications of fluorescence and phosphorescence spectroscopy in experimental biology and chemistry. Topics covered include the absorption of light by molecules; instrumentation for the measurement of fluorescence and phosphorescence; solvent and acidity effects on electronic spectra; and polarization of fluorescence and phosphorescence. Comprised of four chapters, this book begins with a discussion on photophysical processes in isolated molecules and molecules in solution, paying particular attention to thermal equilibration of electronically excited molecules, phototautomerism, and coordination by metal ions. The next chapter describes the instrumentation for measuring fluorescence and phosphorescence, which consists essentially of a light source to electronically excite the sample; a monochromator to separate the light of desired energy from the source; a sample compartment; a second monochromator to isolate the sample's fluorescence energy from the excitation energy; a photodetector to translate the fluorescent light into an electrical signal; and a readout system such as a galvanometer or a recorder, coupled with an amplifier to determine the intensity of fluorescent light that is emitted. The final chapter is devoted to various applications of fluorescence and phosphorescence spectroscopy, including the analysis of organic and inorganic compounds. This monograph is written primarily for analytical chemists and biological scientists.
Category: Science

Quenched Phosphorescence Detection Of Molecular Oxygen

Author : Ruslan I Dmitriev
ISBN : 9781788014557
Genre : Science
File Size : 31.55 MB
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Significant progress has been made in recent years in quenched-phosphorescence oxygen sensing, particularly in the materials and applications of this detection technology that are open to commercialization, like uses in brain imaging and food packaging. Prompted by this, the editors have delivered a dedicated book that brings together these developments, provides a comprehensive overview of the different detection methodologies, and representative examples and applications. This book is intended to attract new researchers from various disciplines such as chemistry, physics, biology and medicine, stimulate further progress in the field and assist in developing new applications. Providing a concise summary at the cutting edge, this practical guide for current experts and new potential users will increase awareness of this versatile sensing technology.
Category: Science

Photochemistry Of Organic Compounds

Author : Petr Klán
ISBN : 9781405190886
Genre : Science
File Size : 62.2 MB
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This new volume in the Postgraduate Chemistry Series provides a thorough overview of the principles and uses of synthetic organic photochemistry. Appropriate at postgraduate and research level it will also serve as a reference for more experienced workers.
Category: Science

Molecular Catalysts For Energy Conversion

Author : Tatsuhiro Okada
ISBN : 9783540707585
Genre : Science
File Size : 22.6 MB
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Over the past decade the topic of energy and environment has been ackno- edged among many people as a critical issue to be solved in 21st century since the Kyoto Protocol came into e?ect in 1997. Its political recognition was put forward especially at Heiligendamm in 2007, when the e?ect of carbon dioxide emission and its hazard in global climate were discussed and shared univ- sallyascommonknowledge.Controllingtheglobalwarmingintheeconomical framework of massive development worldwide through this new century is a very challenging problem not only among political, economical, or social c- cles but also among technological or scienti?c communities. As long as the humans depend on the combustion of fossil for energy resources, the waste heat exhaustion and CO emission are inevitable. 2 In order to establish a new era of energy saving and environment benign society, which is supported by technologies and with social consensus, it is important to seek for a framework where new clean energy system is inc- porated as infrastructure for industry and human activities. Such a society strongly needs innovative technologies of least CO emission and e?cient en- 2 ergy conversion and utilization from remaining fossil energies on the Earth. Energy recycling system utilizing natural renewable energies and their c- version to hydrogen may be the most desirable option of future clean energy society. Thus the society should strive to change its energy basis, from foss- consuming energy to clean and recycling energy.
Category: Science

Fluorescence And Phosphorescence Spectroscopy

Author : David Rendell
ISBN : UOM:39015051247214
Genre : Science
File Size : 81.88 MB
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Photoluminescence is currently one of the major growth areas in spectroscopy - a situation made possible by the recent developments in analytical instrumentation and sample handling. These advances are outlined and put into context with the underlying theory. An introduction to the basic principles of photoluminescence, instrumentation and quantitative aspects of the technique is provided. In all cases, theoretical aspects are kept as simple as possible. A survey of the methods available for both organic and inorganic analytes using natural fluorescence or the formation of fluorescent derivatives is also included. This title will be of particular interest to all those wishing to update themselves on this advancing topic.
Category: Science