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Solvation Dynamics And Electronic Energy Transfer In Pigment Protein Complexes
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Book Synopsis Solvation Dynamics and Electronic Energy Transfer in Pigment-protein Complexes by : Xanthipe Julia Jordanides
Download or read book Solvation Dynamics and Electronic Energy Transfer in Pigment-protein Complexes written by Xanthipe Julia Jordanides and published by . This book was released on 2002 with total page 624 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Ultrafast Excitation Energy Transfer Dynamics in Photosynthetic Pigment-protein Complexes by : Thomas Renger
Download or read book Ultrafast Excitation Energy Transfer Dynamics in Photosynthetic Pigment-protein Complexes written by Thomas Renger and published by . This book was released on 2001 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Energy Transfer and Exciton Dynamics in Photosynthetic Pigment- Rotein Complexes by : Adam Kell
Download or read book Energy Transfer and Exciton Dynamics in Photosynthetic Pigment- Rotein Complexes written by Adam Kell and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The structure-function relationships of natural pigment- rotein complexes are of great interest, as the electronic properties of the pigments are tuned by the protein environment to achieve high quantum yields and photon utilization. Determination of electronic structure and exciton dynamics in protein complexes is complicated by static disorder and uncertainties in the properties of system-bath coupling. The latter is described by the phonon profile (or spectral density), whose shape can only be reliably measured experimentally for the lowest energy state. Low-temperature, laser-based spectroscopies are applied towards model pigment- rotein complexes, i.e., the Fenna-Matthews-Olson (FMO) and water-soluble chlorophyll-binding (WSCP) complexes, in order to study system-bath coupling and energy transfer pathways. Site-selective techniques, e.g., hole burning (HB) and fluorescence line narrowing, are utilized to overcome static disorder and reveal details on homogeneous broadening. In addition, excitonic calculations with non-Markovian lineshapes provide information on electronic structure and exciton dynamics. A new lognormal functional form of the spectral density is recommended which appropriately defines electron-phonon parameters, i.e., Huang-Rhys factor and reorganization energy. Absorbance and fluorescence spectral shifts and HB spectra reveal that samples of FMO may contain a subpopulation of destabilized proteins with modified HB efficiencies. Simulations of spectra corresponding to intact proteins indicate that the entire trimer has to be taken into account in order to properly describe fluorescence and HB spectra. The redshifted fluorescence spectrum of WSCP is described by uncorrelated energy transfer as opposed to previous models of excited state protein relaxation. Also, based on nonconservative HB spectra measured for WSCP, a mechanism of electron transfer between chlorophylls and aromatic amino acids is proposed.
Book Synopsis Pigment pigment interactions and protein dynamics in light harvesting complexes: a single molecule study by : Clemens Hofmann
Download or read book Pigment pigment interactions and protein dynamics in light harvesting complexes: a single molecule study written by Clemens Hofmann and published by Cuvillier Verlag. This book was released on 2004 with total page 183 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Distribution of Excitation Energy Transfer Times and Protein Dynamics on Spectral Hole Burning in Pigment-protein Complexes Involved in Photosynthesis by : Nicoleta Herascu
Download or read book Effects of Distribution of Excitation Energy Transfer Times and Protein Dynamics on Spectral Hole Burning in Pigment-protein Complexes Involved in Photosynthesis written by Nicoleta Herascu and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Energy Transfer Dynamics in Photosynthetic Pigment-protein Complexes by : Phillip David Long
Download or read book Energy Transfer Dynamics in Photosynthetic Pigment-protein Complexes written by Phillip David Long and published by . This book was released on 2013 with total page 147 pages. Available in PDF, EPUB and Kindle. Book excerpt: All this work required the creation of a biological wing in the Engel laboratories. Although publications provide a framework for biological work, the reality is innumerable small details enable success in reasonable timescales. Therefore, I also include a detailed biological methods section here to help future researchers achieve success quickly.
Book Synopsis Theory of Excitation Energy Transfer in Pigment Protein Complexes by : Julia Adolphs
Download or read book Theory of Excitation Energy Transfer in Pigment Protein Complexes written by Julia Adolphs and published by . This book was released on 2008 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Excitonic Structure and Energy Transfer in Photosynthetic Pigment Protein Complexes and Their Assemblies by : Doran I. G. Bennett
Download or read book Excitonic Structure and Energy Transfer in Photosynthetic Pigment Protein Complexes and Their Assemblies written by Doran I. G. Bennett and published by . This book was released on 2013 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt: The research presented in this dissertation focuses on understanding how the spatial and energetic organization of pigment molecules within photosynthetic assemblies create efficient, natural light harvesting machines. In the first chapter we briefly describe photosynthetic light harvesting and explain the basic features of third-order spectroscopy and time-resolved fluorescence measurements used in this dissertation to characterize the relationship between the protein-bound pigments and their light harvesting processes. In chapter two, we start studying photosynthesis at the length scale of a single pigment-protein complex (PPC) and introduce a novel third-order frequency generation technique that is very sensitive to the excitonic structure of a PPCs. This technique is applied to a model pigment binding protein, the Fenna-Matthews-Olson (FMO) complex. In the third chapter, we propose a new approach to extracting information from optical, third-order measurements by combining chirplet transforms and shaped excitation pulses to glean information usually buried in the wings of the 2D electronic spectrum. Finally, in the fourth chapter, we consider longer length scale assemblies and treat photosystem II (PSII) supercomplexes which are composed of many individual PPCs. Using information gathered on isolated PPCs, we construct the first structure-based model of energy transfer in PSII supercomplexes to study the principles of light harvesting in functional photosynthetic machinery.
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.
Book Synopsis Dissertation Abstracts International by :
Download or read book Dissertation Abstracts International written by and published by . This book was released on 2005 with total page 796 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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.
Book Synopsis Ultrafast Dynamics at the Nanoscale by : Stefan Haacke
Download or read book Ultrafast Dynamics at the Nanoscale written by Stefan Haacke and published by CRC Press. This book was released on 2017-01-06 with total page 529 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ultrafast Dynamics at the Nanoscale provides a combined experimental and theoretical insight into the molecular-level investigation of light-induced quantum processes in biological systems and nanostructured (bio)assemblies. Topics include DNA photostability and repair, photoactive proteins, biological and artificial light-harvesting systems, plasmonic nanostructures, and organic photovoltaic materials, whose common denominator is the key importance of ultrafast quantum effects at the border between the molecular scale and the nanoscale. The functionality and control of these systems have been under intense investigation in recent years in view of developing a detailed understanding of ultrafast nanoscale energy and charge transfer, as well as fostering novel technologies based on sustainable energy resources. Both experiment and theory have made big strides toward meeting the challenge of these truly complex systems. This book, thus, introduces the reader to cutting-edge developments in ultrafast nonlinear optical spectroscopies and the quantum dynamical simulation of the observed dynamics, including direct simulations of two-dimensional optical experiments. Taken together, these techniques attempt to elucidate whether the quantum coherent nature of ultrafast events enhances the efficiency of the relevant processes and where the quantum–classical boundary sets in, in these high-dimensional biological and material systems. The chapters contain well-illustrated accounts of the authors’ research work, including didactic introductory material, and address a multidisciplinary audience from chemistry, physics, biology, and materials sciences. The book is, therefore, a must-have for graduate- and postgraduate-level researchers who wish to learn about molecular nanoscience from a combined spectroscopic and theoretical viewpoint.
Download or read book Energy Research Abstracts written by and published by . This book was released on 1994 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :Maria-Elisabeth Michel-Beyerle Publisher :Springer Science & Business Media ISBN 13 :3642611575 Total Pages :418 pages Book Rating :4.6/5 (426 download)
Book Synopsis The Reaction Center of Photosynthetic Bacteria by : Maria-Elisabeth Michel-Beyerle
Download or read book The Reaction Center of Photosynthetic Bacteria written by Maria-Elisabeth Michel-Beyerle and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 418 pages. Available in PDF, EPUB and Kindle. Book excerpt: Results of this third Feldafing Meeting can be considered as the harvest of novel techniques in spectroscopy, biochemistry and molecular biology to the bacterial photosynthetic reaction center. New information pertains to the crystallographic and electronic structure as well as to the dynamics of primary events and the role of the protein. The answer to one long-standing problem, the mechanism of primary charge separation, converges towards a sequential scheme, supported by femtosecond spectroscopy on reaction centers with selectively modified energetics.
Book Synopsis Studies on the Assembly of Photosynthetic Pigment-proteins from Pisum Sativum and Synechocystis Sp. PCC 6083 Into Energy Transfer and Electron Transfer Complexes by : Silvina Federman
Download or read book Studies on the Assembly of Photosynthetic Pigment-proteins from Pisum Sativum and Synechocystis Sp. PCC 6083 Into Energy Transfer and Electron Transfer Complexes written by Silvina Federman and published by . This book was released on 2000 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Water in Biological and Chemical Processes by : Biman Bagchi
Download or read book Water in Biological and Chemical Processes written by Biman Bagchi and published by Cambridge University Press. This book was released on 2013-11-14 with total page 383 pages. Available in PDF, EPUB and Kindle. Book excerpt: A unified overview of the dynamical properties of water and its unique and diverse role in biological and chemical processes.
Book Synopsis Pigment Stoichiometry of Photosynthetic Multiple-protein Complexes from Dark and High Light Treated Plants by : Angela Iue-Chih Lee
Download or read book Pigment Stoichiometry of Photosynthetic Multiple-protein Complexes from Dark and High Light Treated Plants written by Angela Iue-Chih Lee and published by . This book was released on 1995 with total page 306 pages. Available in PDF, EPUB and Kindle. Book excerpt:
