Chemical and Biological Generation of Excited States - 1st Edition - ISBN: 9780120440801, 9780323152303

Chemical and Biological Generation of Excited States

1st Edition

Editors: Waldermar Adam
eBook ISBN: 9780323152303
Imprint: Academic Press
Published Date: 28th January 1982
Page Count: 398
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Description

Chemical and Biological Generation of Excited States discusses major aspects of chemical and biological generation of electronic excitation. This book is organized into 11 chapters that focus on both chemi- and bioenergized processes. This book first discusses some of the fundamental aspects of the description of excited state behavior in condensed media. It then examines the field of gas-phase dioxetane chemiluminescence both by itself and in relation to solution-phase studies. The presented analysis is based on statistical mechanics and supported by a very simple limiting case calculation. Chapter 4 describes the state-of-the-art of how excitation yields are determined experimentally in chemienergized processes. This is followed by a discussion on activation parameters and stability trends, focusing on solution-phase data. Chapters 6 and 7 examine solution-phase chemiluminescence resulting from high-energy electron-transfer reaction, often involving aromatic radical ions, and the mechanism of excitation step. The next chapters cover the generation of electronic excited states in bioluminescence and the evaluation of luminescent oxidation mechanisms using oxygen tracers. The chapters also explain the formation of electronically excited products in dark biological processes and the mechanism of chemiexcitation as it relates to redox metabolism. Specific examples of biological oxygenation reactions yielding luminescence are also presented. Furthermore, this book discusses the concept and applicability of chemiluminigenic probing for the quantification and differentiation of oxygenation activities in mammalian phagocytes. The concluding chapter is devoted to the possible formation of singlet oxygen in various systems and processes that mimic singlet oxygen reactions. The book intends to attract young scientists as well as established research workers to broaden the horizons of this rapidly growing and potentially very important field.

Table of Contents

List of Contributors Preface 1 Photophysical Concepts in Condensed Media I. Introduction II. Unimolecular Decay Processes III. Bimolecular Interactions Involving an Electronically Excited State References 2 Gas-Phase Dioxetane Chemiluminescence I. Introduction II. Basic Information III. Gas-Phase Experiments in Dioxetane Chemiluminescence IV. Discussion References 3 Synthesis of 1,2-Dioxetanes I. Introduction II. Hazards and Safety Precautions III. 1,2-Dioxetanes from Cyclization of Hydroperoxides IV. 1,2-Dioxetanes from Oxidation of Alkenes with Singlet Oxygen V. Other Methods of Preparing 1,2-Dioxetanes VI. Characterization of 1,2-Dioxetanes References 4 Determination of Chemiexcitation Yields in the Thermal Generation of Electronic Excitation from 1,2-Dioxetanes I. Introduction II. Photophysical Methods III. Photochemical Methods IV. Dioxetane Excitation Yields V. Conclusions References 5 Determination of Activation Parameters and the Thermal Stability of 1,2-Dioxetanes I. Introduction II. Determination of Activation Parameters III. Structure and Stability Relationships IV. Concluding Remarks References 6 Electrochemiluminescence I. Introduction II. Basic Concepts III. Experimental Techniques IV. Theoretical Basis for Excited State Production V. Diagnosis of Reaction Pathway VI. More Complex Chemistry VII. Special Effects at Semiconductors References 7 Chemically Initiated Electron-Exchange Luminescence I. Introduction II. Mechanism of the Excitation Step III. Efficient CIEEL Systems IV. Conclusions References 8 Mechanism of Bioluminescence I. Introduction II. Generation of Electronic Excited States in Bioluminescence III. Mechanisms of Luminescent Oxidation

Details

No. of pages:
398
Language:
English
Copyright:
© Academic Press 1982
Published:
Imprint:
Academic Press
eBook ISBN:
9780323152303

About the Editor

Waldermar Adam

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