The Porphyrins V5 - 1st Edition - ISBN: 9780122201059, 9780323145725

The Porphyrins V5

1st Edition

Physical Chemistry, Part C

Editors: David Dolphin
eBook ISBN: 9780323145725
Imprint: Academic Press
Published Date: 28th September 1978
Page Count: 568
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The Porphyrins, Volume V: Physical Chemistry, Part C explores the physical chemistry of porphyrins, their precursors, catabolic derivatives, and related compounds. The book covers photochemical, electrochemical, and routes of electron transfer, as well as primary redox reactions of porphyrins and metalloporphyrins; oxygenation of hemoglobin and the interactions of metalloporphyrins with dioxygen; the kinetics of porphyrin metalation; and solid state phenomena.
This volume is organized into 11 chapters and begins with an overview of electron transfer and the mechanisms of oxidation and reduction. The discussion then turns to porphyrin photochemical reactions and reversible electron transfer reactions of metalloporphyrins. Selected examples in which the oxidized or reduced complexes have been shown to play a biochemical role are provided. The following chapters focus on the isolation and characterization of the photosynthetic pigments and their aggregation and coordination properties, along with those of the porphyrins and metalloporphyrins. The book concludes with an analysis of solid state phenomena in porphyrins and related materials, paying particular attention to semiconduction, photoconduction, and superconduction. This book will be of value to inorganic, organic, physical, and biochemists interested in the physical chemistry of porphyrins.

Table of Contents

List of Contributors

General Preface


Contents of Other Volumes

1 Routes of Electron Transfer

I. Introduction

II. Mechanisms of Oxidation and Reduction

III. Recent Mechanistic Work

IV. Heme Proteins


2 Electron Transfer Photoreactions of Porphyrins

I. Introduction

II. Electron Transfer Reactions

III. Reduction

IV. Oxidation


3 Primary Redox Reactions of Metalloporphyrins

I. Introduction

II. Electrochemistry

III. Properties of Reduced Porphyrins

IV. Oxidation of Metalloporphyrins

V. Oxidation and Reduction of Chlorins and Bacteriochlorins

VI. Biological Roles for Primary Redox Events of Chlorophylls and Metalloporphyrins


4 Electrochemistry of Porphyrins

I. Introduction

II. Techniques and Apparatus

III. Electrochemistry of Porphyrins and Metalloporphyrins

IV. Enzyme Models and Biological Implications


5 The Oxygenation of Hemoglobin

I. Introduction

II. Models for the Hemoglobin-Oxygen Reaction

III. The Bohr Effect

IV. Temperature and the Oxygen Equilibrium

V. Effects of Organic Phosphates

VI. Kinetics of Hemoglobin-Oxygen Reaction

VII. Kinetics of Ligand Reactions

VIII. Reactions of Unliganded Hemoglobin

IX. The Hemoglobin-Oxygen Reaction

X. The Reaction of Nitric Oxide with Deoxyhemoglobin

XI. Reactions of Other Ligands

XII. Reactions of Mutant Hemoglobins with Ligands

XIII. Synthetic Hemoglobins

XIV. Kinetics of the Bohr Effect

XV. Nonmammalian Hemoglobins

XVI. Conclusion


6 Interaction of Dioxygen with Metalloporphyrins

I. Introduction

II. Iron Systems

III. Cobalt Systems

IV. Metalloporphyrins and Phthalocyanines of Other Transition Metals

V. Miscellaneous Systems

VI. General Conclusions


7 Aggregation of Porphyrins and Metalloporphyrins

I. Introduction

II. Porphyrins

III. Iron Porphyrins

IV. Other Metalloporphyrins

V. Dealing with the Question


8 The Isolation, Preparation, Characterization, and Estimation of the Chlorophylls and the Bacteriochlorophylls

I. Chlorophylls and Their Examination

II. Chlorophylls in Relation to Other Porphyrin Compounds

III. Significance of Chlorophylls

IV. Significance of Chromatography

V. Criteria for Separations

VI. Alteration Products

VII. Chromatographic Sequences

VIII. Estimation of the Chlorophylls

IX. Typical Chromatographic Procedures


9 Chlorophyll Aggregation: Coordination Interactions in Chlorophyll Monomers, Dimers, and Oligomers

I. Introduction

II. Chlorophyll as Donor and Acceptor

III. Spectroscopic Properties of Chlorophyll Monomers

IV. Chlorophyll-Chlorophyll Endogamous Interactions: Dimers

V. Chlorophyll Oligomers

VI. Summary and Conclusions


10 Kinetic and Mechanistic Studies of Metalloporphyrin Formation

I. Introduction

II. Sitting-Atop (SAT) Complex as an Intermediate in Metalloporphyrin Formation

III. The SAT Complex: A Reconnaissance

IV. General Review of the Literature

V. Studies of the Nature of Species Present in Reaction Solutions

VI. Conclusion


11 Solid State Phenomena in Porphyrins and Related Materials

I. Introduction

II. Biological Model Studies (An Overview)

III. Semiconduction and Photoconduction

IV. Superconduction

V. Possibilities and Problems

VI. Conclusion


Author Index

Subject Index


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© Academic Press 1978
Academic Press
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About the Editor

David Dolphin

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