Photosynthetic Excitons

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Photosynthetic Excitons

Author : Herbert van Amerongen
Publisher : World Scientific
ISBN 13 : 9789810232801
Total Pages : 612 pages
Book Rating : 4.2/5 (328 download)

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Book Synopsis Photosynthetic Excitons by : Herbert van Amerongen

Download or read book Photosynthetic Excitons written by Herbert van Amerongen and published by World Scientific. This book was released on 2000 with total page 612 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excitons are considered as the basic concept used by describing the spectral properties of photosynthetic pigment-protein complexes and excitation dynamics in photosynthetic light-harvesting antenna and reaction centers. Following the recently obtained structures of a variety of photosynthetic pigment-protein complexes from plants and bacteria our interest in understanding the relation between structure, function and spectroscopy has strongly increased. These data demonstrate a short interpigment distance (of the order of 1 nm or even smaller) and/or a highly symmetric (ring-like) arrangement of pigment molecules in peripheral light-harvesting complexes of photosynthetic bacteria. Books which were devoted to the exciton problem so far mainly considered the spectral properties of molecular crystals. However, the small size of these pigment aggregates in the pigment-protein complexes as well as the role of the protein, which is responsible for the structural arrangement of the complex, clearly will have a dramatic influence on the pigment spectra and exciton dynamics. All these aspects of the problem are considered in this book. Exciton theory is mainly considered for small molecular aggregates (dimers, ring-like structures etc.). Together with the theoretical description of the classical conceptual approach, which mainly deals with polarization properties of the absorption and fluorescence spectra, the nonlinear femtosecond spectroscopy which is widely used for investigations now is also discussed. A large part of the book demonstrates the excitonic effects in a multitude of photosynthetic pigment-protein complexes and how we can understand these properties on the basis of the exciton concept.

Photosynthesis in silico

Author : Agu Laisk
Publisher : Springer Science & Business Media
ISBN 13 : 1402092377
Total Pages : 514 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis Photosynthesis in silico by : Agu Laisk

Download or read book Photosynthesis in silico written by Agu Laisk and published by Springer Science & Business Media. This book was released on 2009-06-19 with total page 514 pages. Available in PDF, EPUB and Kindle. Book excerpt: Photosynthesis in silico: Understanding Complexity from Molecules to Ecosystems is a unique book that aims to show an integrated approach to the understanding of photosynthesis processes. In this volume - using mathematical modeling - processes are described from the biophysics of the interaction of light with pigment systems to the mutual interaction of individual plants and other organisms in canopies and large ecosystems, up to the global ecosystem issues. Chapters are written by 44 international authorities from 15 countries. Mathematics is a powerful tool for quantitative analysis. Properly programmed, contemporary computers are able to mimic complicated processes in living cells, leaves, canopies and ecosystems. These simulations - mathematical models - help us predict the photosynthetic responses of modeled systems under various combinations of environmental conditions, potentially occurring in nature, e.g., the responses of plant canopies to globally increasing temperature and atmospheric CO2 concentration. Tremendous analytical power is needed to understand nature's infinite complexity at every level.

Materials for Sustainable Energy

Author : Vincent Dusastre
Publisher : World Scientific
ISBN 13 : 9814317640
Total Pages : 360 pages
Book Rating : 4.8/5 (143 download)

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Book Synopsis Materials for Sustainable Energy by : Vincent Dusastre

Download or read book Materials for Sustainable Energy written by Vincent Dusastre and published by World Scientific. This book was released on 2011 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt: The search for cleaner, cheaper, smaller and more efficient energy technologies has to a large extent been motivated by the development of new materials. The aim of this collection of articles is therefore to focus on what materials-based solutions can offer and show how the rationale design and improvement of their physical and chemical properties can lead to energy-production alternatives that have the potential to compete with existing technologies. In terms of alternative means to generate electricity that utilize renewable energy sources, the most dramatic breakthroughs for both mobile (i.e., transportation) and stationary applications are taking place in the fields of solar and fuel cells. And from an energy-storage perspective, exciting developments can be seen emerging from the fields of rechargeable batteries and hydrogen storage.

Non-Photochemical Quenching and Energy Dissipation in Plants, Algae and Cyanobacteria

Author : Barbara Demmig-Adams
Publisher : Springer
ISBN 13 : 9401790329
Total Pages : 672 pages
Book Rating : 4.4/5 (17 download)

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Book Synopsis Non-Photochemical Quenching and Energy Dissipation in Plants, Algae and Cyanobacteria by : Barbara Demmig-Adams

Download or read book Non-Photochemical Quenching and Energy Dissipation in Plants, Algae and Cyanobacteria written by Barbara Demmig-Adams and published by Springer. This book was released on 2014-11-22 with total page 672 pages. Available in PDF, EPUB and Kindle. Book excerpt: Harnessing the sun’s energy via photosynthesis is at the core of sustainable production of food, fuel, and materials by plants, algae, and cyanobacteria. Photosynthesis depends on photoprotection against intense sunlight, starting with the safe removal of excess excitation energy from the light-harvesting system, which can be quickly and non-destructively assessed via non-photochemical quenching of chlorophyll fluorescence (NPQ). By placing NPQ into the context of whole-organism function, this book aims to contribute towards identification of plant and algal lines with superior stress resistance and productivity. By addressing agreements and open questions concerning photoprotection’s molecular mechanisms, this book contributes towards development of artificial photosynthetic systems. A comprehensive picture –from single molecules to organisms in ecosystems, and from leading expert’s views to practical information for non-specialists on NPQ measurement and terminology – is presented.

Light Harvesting in Photosynthesis

Author : Roberta Croce
Publisher : CRC Press
ISBN 13 : 1351242873
Total Pages : 793 pages
Book Rating : 4.3/5 (512 download)

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Book Synopsis Light Harvesting in Photosynthesis by : Roberta Croce

Download or read book Light Harvesting in Photosynthesis written by Roberta Croce and published by CRC Press. This book was released on 2018-01-12 with total page 793 pages. Available in PDF, EPUB and Kindle. Book excerpt: This landmark collective work introduces the physical, chemical, and biological principles underlying photosynthesis: light absorption, excitation energy transfer, and charge separation. It begins with an introduction to properties of various pigments, and the pigment proteins in plant, algae, and bacterial systems. It addresses the underlying physics of light harvesting and key spectroscopic methods, including data analysis. It discusses assembly of the natural system, its energy transfer properties, and regulatory mechanisms. It also addresses light-harvesting in artificial systems and the impact of photosynthesis on our environment. The chapter authors are amongst the field’s world recognized experts. Chapters are divided into five main parts, the first focused on pigments, their properties and biosynthesis, and the second section looking at photosynthetic proteins, including light harvesting in higher plants, algae, cyanobacteria, and green bacteria. The third part turns to energy transfer and electron transport, discussing modeling approaches, quantum aspects, photoinduced electron transfer, and redox potential modulation, followed by a section on experimental spectroscopy in light harvesting research. The concluding final section includes chapters on artificial photosynthesis, with topics such as use of cyanobacteria and algae for sustainable energy production. Robert Croce is Head of the Biophysics Group and full professor in biophysics of photosynthesis/energy at Vrije Universiteit, Amsterdam. Rienk van Grondelle is full professor at Vrije Universiteit, Amsterdam. Herbert van Amerongen is full professor of biophysics in the Department of Agrotechnology and Food Sciences at Wageningen University, where he is also director of the MicroSpectroscopy Research Facility. Ivo van Stokkum is associate professor in the Department of Physics and Astronomy, Faculty of Sciences, at Vrije Universiteit, Amsterdam.

Life of Excitons in Artificial Photosynthetic Antennas

Author : Johan Andersson
Publisher :
ISBN 13 : 9789174220872
Total Pages : 38 pages
Book Rating : 4.2/5 (28 download)

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Book Synopsis Life of Excitons in Artificial Photosynthetic Antennas by : Johan Andersson

Download or read book Life of Excitons in Artificial Photosynthetic Antennas written by Johan Andersson and published by . This book was released on 2005 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Ultrafast Dephasing of Excitons in Solution and Photosynthetic Aggregates

Author : Lewis D. Book
Publisher :
ISBN 13 :
Total Pages : 440 pages
Book Rating : 4.:/5 (446 download)

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Book Synopsis Ultrafast Dephasing of Excitons in Solution and Photosynthetic Aggregates by : Lewis D. Book

Download or read book Ultrafast Dephasing of Excitons in Solution and Photosynthetic Aggregates written by Lewis D. Book and published by . This book was released on 2000 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt:

A Theorietical and Femtosecond Spectroscopic Investigation of Energy Transfer in Photosynthetic Complexes

Author : Harsha Mohan Vaswani
Publisher :
ISBN 13 :
Total Pages : 642 pages
Book Rating : 4.:/5 (35 download)

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Book Synopsis A Theorietical and Femtosecond Spectroscopic Investigation of Energy Transfer in Photosynthetic Complexes by : Harsha Mohan Vaswani

Download or read book A Theorietical and Femtosecond Spectroscopic Investigation of Energy Transfer in Photosynthetic Complexes written by Harsha Mohan Vaswani and published by . This book was released on 2005 with total page 642 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Photosynthesis, Two Centuries After Its Discovery by Joseph Priestley: Primary reactions and electron transport

Author : Giorgio Forti
Publisher :
ISBN 13 :
Total Pages : 884 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Photosynthesis, Two Centuries After Its Discovery by Joseph Priestley: Primary reactions and electron transport by : Giorgio Forti

Download or read book Photosynthesis, Two Centuries After Its Discovery by Joseph Priestley: Primary reactions and electron transport written by Giorgio Forti and published by . This book was released on 1972 with total page 884 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Optical Organic and Inorganic Materials

Author : Steponas Ašmontas
Publisher : SPIE-International Society for Optical Engineering
ISBN 13 :
Total Pages : 320 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Optical Organic and Inorganic Materials by : Steponas Ašmontas

Download or read book Optical Organic and Inorganic Materials written by Steponas Ašmontas and published by SPIE-International Society for Optical Engineering. This book was released on 2001 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Advances in Photosynthesis Research

Author : C. Sybesma
Publisher :
ISBN 13 :
Total Pages : 816 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Advances in Photosynthesis Research by : C. Sybesma

Download or read book Advances in Photosynthesis Research written by C. Sybesma and published by . This book was released on 1984 with total page 816 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Exciton Dynamics in Photosynthetic Molecular Aggregates

Author : Johan Antowan Nöthling
Publisher :
ISBN 13 :
Total Pages : 100 pages
Book Rating : 4.:/5 (16 download)

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Book Synopsis Exciton Dynamics in Photosynthetic Molecular Aggregates by : Johan Antowan Nöthling

Download or read book Exciton Dynamics in Photosynthetic Molecular Aggregates written by Johan Antowan Nöthling and published by . This book was released on 2016 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt: Almost all of the energy that sustains life on Earth was captured from sunlight during the process of photosynthesis. In the first step of this process, photons are absorbed by aggregates of pigment molecules called light-harvesting complexes. In these complexes, pigment molecules are carefully arranged by protein backbones and are consequently able to absorb excitation at much higher pigment concentration than for the same pigments in solution. The close proximity of pigment molecules in light-harvesting complexes may cause significant interaction between them and consequent delocalisation of excitation over more than one pigment molecule. These delocalised states are called exciton states. The electronic degrees of freedom of pigment molecules are modulated by the large number of vibrational modes in the protein backbone and pigments themselves. In many light-harvesting complexes, the interaction between pigment molecules are much stronger than interaction with the vibrational modes. In such systems, a formalism called Redfield theory, which treats interaction with vibrations perturbatively, can be used to calculate exciton dynamics. In this dissertation, we give an overview of the process of photosynthesis and the physical mechanisms underlying light-harvesting. We then derive the Redfield equation and explain its use in systems containing a single or multiple excitations. We illustrate calculation of Redfield-dynamics by computing the exciton dynamics in three systems: a six-member ring demonstrating essential features of exciton dynamics; FMO, a conduit for excitation in green sulphur bacteria and LHCII, the main light-harvesting complex in green plants.

Photosynthesis III

Author : J. M. Anderson
Publisher : Springer
ISBN 13 :
Total Pages : 842 pages
Book Rating : 4.:/5 (89 download)

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Book Synopsis Photosynthesis III by : J. M. Anderson

Download or read book Photosynthesis III written by J. M. Anderson and published by Springer. This book was released on 1986 with total page 842 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Encyclopedia of Plant Physiology series has turned several times to the topic of photosynthesis. In the original series, two volumes edited by A. PIRSON and published in 1960 provided a broad overview of the entire field. Although the New Series has devoted three volumes to the same topic, the overall breadth of the coverage has had to be restricted to allow for greater in-depth treatment of three major areas of modern photosynthesis research: I. Photosynthetic Elec tron Transport and Photophosphorylation (Volume 5 edited by A. TREBST and M. AvRON, and published in 1977); II. Photosynthetic Carbon Metabolism and Related Processes (Volume 6 edited by M. GIBBS and E. LATZKO, and published in 1979); and III. Photosynthetic Membranes and Light-Harvesting Systems (this volume). As we approached the organization of the current volume, we chose a set of topics for coverage that would complement the earlier volumes, as well as provide updates of areas that have seen major advances in recent years. In addition, we wanted to emphasize the following changes in the study of photo synthetic systems which have become increasingly important since 1977: the trend toward increased integration of biochemical and biophysical approaches to study photosynthetic membranes and light-harvesting systems, and a renewed appreciation of the structural parameters of membrane organization.

Photosynthesis III

Author : L. Andrew Staehelin
Publisher : Springer
ISBN 13 : 9783540161400
Total Pages : 840 pages
Book Rating : 4.1/5 (614 download)

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Book Synopsis Photosynthesis III by : L. Andrew Staehelin

Download or read book Photosynthesis III written by L. Andrew Staehelin and published by Springer. This book was released on 1986-04-01 with total page 840 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Encyclopedia of Plant Physiology series has turned several times to the topic of photosynthesis. In the original series, two volumes edited by A. PIRSON and published in 1960 provided a broad overview of the entire field. Although the New Series has devoted three volumes to the same topic, the overall breadth of the coverage has had to be restricted to allow for greater in-depth treatment of three major areas of modern photosynthesis research: I. Photosynthetic Elec tron Transport and Photophosphorylation (Volume 5 edited by A. TREBST and M. AvRON, and published in 1977); II. Photosynthetic Carbon Metabolism and Related Processes (Volume 6 edited by M. GIBBS and E. LATZKO, and published in 1979); and III. Photosynthetic Membranes and Light-Harvesting Systems (this volume). As we approached the organization of the current volume, we chose a set of topics for coverage that would complement the earlier volumes, as well as provide updates of areas that have seen major advances in recent years. In addition, we wanted to emphasize the following changes in the study of photo synthetic systems which have become increasingly important since 1977: the trend toward increased integration of biochemical and biophysical approaches to study photosynthetic membranes and light-harvesting systems, and a renewed appreciation of the structural parameters of membrane organization.

Advances in Statistical Physics of Solids and Liquids

Author : Shamsher Prakash
Publisher : Wiley-Interscience
ISBN 13 : 9780470217108
Total Pages : 444 pages
Book Rating : 4.2/5 (171 download)

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Book Synopsis Advances in Statistical Physics of Solids and Liquids by : Shamsher Prakash

Download or read book Advances in Statistical Physics of Solids and Liquids written by Shamsher Prakash and published by Wiley-Interscience. This book was released on 1991-09-05 with total page 444 pages. Available in PDF, EPUB and Kindle. Book excerpt: Consists of invited lecture series and contributed research papers presented at the International Advanced School in Statistical Physics held at Punjab University, Chandiqarh, India under the Indo French Program of Cooperation in Science and Technology. Examines current studies of static and dynamical properties of liquids through time correlation function, computer simulation and neutron scattering experiments. Various Coulomb systems are introduced, with examples in one, two, and three dimensions provided. Small angle neutron scattering data from polydispersed random media are reviewed. Final sections discuss quantum theories of diffusion of localized and Bloch impurities in solids, chaos and turbulence, the spin glasses SK model and recent results on high temperature superconductors.

Photosynthesis: Energy conversion by plants and bacteria

Author : Govindjee
Publisher :
ISBN 13 :
Total Pages : 850 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Photosynthesis: Energy conversion by plants and bacteria by : Govindjee

Download or read book Photosynthesis: Energy conversion by plants and bacteria written by Govindjee and published by . This book was released on 1982 with total page 850 pages. Available in PDF, EPUB and Kindle. Book excerpt: V. 1. Energy conversion by plants and bacteria -- v. 2. Development, carbon metabolism, and plant productivity.

Excitation Energy and Electron Transfer in Photosynthesis

Author : Govindjee
Publisher : Springer Science & Business Media
ISBN 13 : 9400935277
Total Pages : 390 pages
Book Rating : 4.4/5 (9 download)

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Book Synopsis Excitation Energy and Electron Transfer in Photosynthesis by : Govindjee

Download or read book Excitation Energy and Electron Transfer in Photosynthesis written by Govindjee and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 390 pages. Available in PDF, EPUB and Kindle. Book excerpt: The present volume "Excitation Energy and Electron Transfer in Pho· tosynthesis" is dedicated to a colleague and dear friend Warren L. But ler. I first met Warren when he visited the University of Illinois at Ur bana during the early sixties; he left an indelible impression on me as a person with warmth and enthusiasm. Initially, he was someone I looked to for guidance, but later we also became friends. Whenever I passed through Los Angeles, I always telephoned Warren and often end ed up taking a plane to San Diego to stay with two wonderful people, Warren and his wife Lila. His invitations could never be refused. Below I reproduce the words of Herbert Stern on Warren L. Butler's life; these words express my sentiments as well as those of many of Warren's friends: ''A lifetime of acedemic creativity criss-crossed by streaks of highbrow and lowbrow fun. There is no summary to this adventure be cause we can neither make nor proclaim an end. Warren has bequeathed us his garden of academic treasures. It is ours to keep and tend. There is lots of joy in our many recollections of Warren's life and sorrow's foil can only brighten the brightness that the joy radiates.