Instant Insights Optimising Photosynth
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Instant Insights Optimising Photosynth
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Author : Rosenqvist RAINES
language : en
Publisher:
Release Date : 2023-12-19
Instant Insights Optimising Photosynth written by Rosenqvist RAINES and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-12-19 with categories.
Chlorophyll A Fluorescence In Aquatic Sciences Methods And Applications
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Author : David J. Suggett
language : en
Publisher: Springer Science & Business Media
Release Date : 2010-08-23
Chlorophyll A Fluorescence In Aquatic Sciences Methods And Applications written by David J. Suggett and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-08-23 with Science categories.
Measurements of variable chlorophyll fluorescence have revolutionised global research of photosynthetic bacteria, algae and plants and in turn assessment of the status of aquatic ecosystems, a success that has partly been facilitated by the widespread commercialisation of a suite of chlorophyll fluorometers designed for almost every application in lakes, rivers and oceans. Numerous publications have been produced as researchers and assessors have simultaneously sought to optimise protocols and practices for key organisms or water bodies; however, such parallel efforts have led to difficulties in reconciling processes and patterns across the aquatic sciences. This book follows on from the first international conference on “chlorophyll fluorescence in the aquatic sciences” (AQUAFLUO 2007): to bridge the gaps between the concept, measurement and application of chlorophyll fluorescence through the synthesis and integration of current knowledge from leading researchers and assessors as well as instrument manufacturers.
Photosynthetic Excitons
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Author : Herbert van Amerongen
language : en
Publisher: World Scientific
Release Date : 2000
Photosynthetic Excitons written by Herbert van Amerongen and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Science categories.
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.
Crop Stress And Its Management Perspectives And Strategies
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Author : B. Venkateswarlu
language : en
Publisher: Springer Science & Business Media
Release Date : 2011-11-22
Crop Stress And Its Management Perspectives And Strategies written by B. Venkateswarlu and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-11-22 with Technology & Engineering categories.
Crops experience an assortment of environmental stresses which include abiotic viz., drought, water logging, salinity, extremes of temperature, high variability in radiation, subtle but perceptible changes in atmospheric gases and biotic viz., insects, birds, other pests, weeds, pathogens (viruses and other microbes). The ability to tolerate or adapt and overwinter by effectively countering these stresses is a very multifaceted phenomenon. In addition, the inability to do so which renders the crops susceptible is again the result of various exogenous and endogenous interactions in the ecosystem. Both biotic and abiotic stresses occur at various stages of plant development and frequently more than one stress concurrently affects the crop. Stresses result in both universal and definite effects on plant growth and development. One of the imposing tasks for the crop researchers globally is to distinguish and to diminish effects of these stress factors on the performance of crop plants, especially with respect to yield and quality of harvested products. This is of special significance in view of the impending climate change, with complex consequences for economically profitable and ecologically and environmentally sound global agriculture. The challenge at the hands of the crop scientist in such a scenario is to promote a competitive and multifunctional agriculture, leading to the production of highly nourishing, healthy and secure food and animal feed as well as raw materials for a wide variety of industrial applications. In order to successfully meet this challenge researchers have to understand the various aspects of these stresses in view of the current development from molecules to ecosystems. The book will focus on broad research areas in relation to these stresses which are in the forefront in contemporary crop stress research.
Non Photochemical Quenching And Energy Dissipation In Plants Algae And Cyanobacteria
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Author : Barbara Demmig-Adams
language : en
Publisher: Springer
Release Date : 2016-10-02
Non Photochemical Quenching And Energy Dissipation In Plants Algae And Cyanobacteria written by Barbara Demmig-Adams and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-10-02 with Science categories.
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.
Rhythms In Plants
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Author : Stefano Mancuso
language : en
Publisher: Springer Science & Business Media
Release Date : 2007-04-03
Rhythms In Plants written by Stefano Mancuso and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-04-03 with Science categories.
This book reviews recent progress in assessing underlying mechanisms controlling plant circadian and ultradian oscillations, and their physiological implications for growth, development, and adaptive responses to the environment. It focuses on mechanisms and theoretical concepts at the level of the cell to the entire plant. Written by a diverse group of leading researchers, this book will spark the interest of readers from many branches of science.
Carbon Dioxide And Environmental Stress
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Author : Luo Yiqi
language : en
Publisher: Elsevier
Release Date : 1999-04-13
Carbon Dioxide And Environmental Stress written by Luo Yiqi and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999-04-13 with Science categories.
This book focuses on the interactive effects of environmental stresses with plant and ecosystem functions, especially with respect to changes in the abundance of carbon dioxide. The interaction of stresses with elevated carbon dioxide are presented from the cellular through whole plant ecosystem level. The book carefully considers not only the responses of the above-ground portion of the plant, but also emphasizes the critical role of below-ground (rhizosphere) components (e.g., roots, microbes, soil) in determining the nature and magnitude of these interactions. * Will rising CO2 alter the importance of environmental stress in natural and agricultural ecosystems?* Will environmental stress on plants reduce their capacity to remove CO2 from the atmosphere?* Are some stresses more important than others as we concern ourselves with global change?* Can we develop predictive models useful for scientists and policy-makers?* Where should future research efforts be focused?
Light Harvesting In Photosynthesis
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Author : Roberta Croce
language : en
Publisher: CRC Press
Release Date : 2018-01-12
Light Harvesting In Photosynthesis written by Roberta Croce and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-01-12 with Science categories.
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.
Protocols In Lichenology
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Author : Ilse Kranner
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Protocols In Lichenology written by Ilse Kranner and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
As an intricate association between a fungus and one or more green algae or cyanobacteria, lichens are one of the most successful examples of symbiosis. These fascinating organisms survive extreme desiccation and temperatures. They are adapted to a great variety of habitats, from deserts to intertidal zones, from tropical rain forests to the peaks of the Himalayas and to circumpolar ecosystems. Lichens are extremely efficient accumulators of atmospherically deposited pollutants, and are therefore widely used to monitor environmental pollution. Their wide range of secondary products show pharmaceutically interesting fungicidal, antibacterial and antiviral properties. Lichens are extremely difficult to culture. This manual provides well-tested tissue culture protocols, protocols for studying lichen ultrastructure, (eco)physiology, primary and secondary compounds, and for using lichens as bioindicators.
Molluscan Shellfish Safety
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Author : Gilbert Sauvé
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-08-15
Molluscan Shellfish Safety written by Gilbert Sauvé and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-08-15 with Science categories.
In a time of rapid climatic, industrial and technological changes in molluscan shellfish producing and exporting regions, it is of the utmost importance to keep a keen eye on developing trends. This collection of recent research in molluscan shellfish safety, risk assessment, risk management, regulation and analytical methods presented at the 8th ICMSS (International Conference on Molluscan Shellfish Safety) offers valuable insights in the latest scientific findings. Dans le contexte actuel de changements climatiques, industriels et technologiques rapides dans les régions qui produisent et qui exportent des mollusques, il est essentiel de rester à l’affût des nouvelles tendances. Ce recueil des récents travaux de recherche dans les domaines de la salubrité des mollusques, des évaluations des risques, de la gestion des risques, de la réglementation et des méthodes d’analyse présentés lors de la 8e Conférence internationale sur la salubrité des coquillages (ICMSS) vous aidera à le faire.