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Friday, October 9, 2020 | History

2 edition of Influence of cations on photochemistry fluorescence and stocking of photosynthetic menbranes found in the catalog.

Influence of cations on photochemistry fluorescence and stocking of photosynthetic menbranes

Influence of cations on photochemistry fluorescence and stocking of photosynthetic menbranes

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Published by Commission of the European Communities, Directorate-General for Research, Science and Education in Luxembourg .
Written in English


Edition Notes

StatementG. Forti ... [et al].
SeriesEnergy
ContributionsForti, G., Commission of the European Communities. Directorate-General for Research, Science and Education.
ID Numbers
Open LibraryOL14934197M
ISBN 100119385570

  [11] D. Wong, H. Merkelo, and Govindjee () Regulation of Excitation Transfer by Cations: Wavelength-Resolved Fluorescence Lifetimes and Intensities at 77 K in Thylakoid Membranes of Pea Chloroplasts. FEBS Lett. Effect of drought stress on chlorophyll a fluorescence and electrical admittance of shoots in Norway spruce seedlings Article in Trees 19(5) September with 49 Reads

The breadth of scientific and technological interests in the general topic of photochemistry is truly enormous and includes, for example, such diverse areas as microelectronics, atmospheric chemistry, organic synthesis, non-conventional photoimaging, photosynthesis, solar energy conversion, polymer technologies, and :// CURRENT LITERATURE SURVEY OF PHOTOSYNTHESIS -XIX Ed. by LEO P. VERNON and J. R. BOTTOMS and compiled by staff members of the Charles F. Kettering Research Laboratory, East South College St., Yellow Springs, 0hi0 (Received 24April ) BIOCHEMICAL 1. Carbon metabolism: carbohydrates, organic acids and carbon dioxidefixation J.-D. Becker, G. Dohler and K. Egle, Die

Synchronous-scan fluorescence of algal cells for toxicity assessment of heavy metals and herbicides Article in Ecotoxicology and Environmental Safety 72(2) February with 31 Reads Photosynthetic membranes. A model study of the influence of photoinitiated grafting and graft polymerization of 1,6-hexanediol diacrylate and 4-(N-ethyl,Nacryloxyethyl)amino-4′-nitro-azobenzene, as co-monomers, onto polypropylene ribbon, on permeation and diffusion coefficients of oxygen and nitrogen. POLYMER ://


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Influence of cations on photochemistry fluorescence and stocking of photosynthetic menbranes Download PDF EPUB FB2

Influence of nitrogen source on photochemistry and antenna size of the photosystems in marine green macroalgae, Ulva lactuca Article in Photosynthesis Research (4) July with 98 Reads The photochemistry of benzil on flexible p-tert-butylcalix[n]arene (n=4,6 and 8) was compared with that on the hydrophobic, rigid zeolite, calixarenes tended to provide longer excited state lifetime for benzil.

However, triplet-triplet absorption of benzil was more pronounced in photochemistry of 4-chlorophenol has also been compared between silicalite and β Fluorescence and Luminescence. Most of both the fluorescence (Goedheer, ) and luminescence (Bertsch et al., ) of plants comes from the chlorophyll a in system is true also for the fluorescence from finely divided chloroplast particles (Brown, ).In live cells or active chloroplast particles, variable fluorescence can be observed from system II only (Park et al., ).

Hayashi, H., Noguchi, T. and Tasumi, M. () Studies on the interrelationship among the intensity of a Raman marker band of carotenoids, polyene chain structure, and efficiency of the energy transfer from carotenoids to bacteriochlorophyll in photosynthetic :// Cd accumulation in leaves also leads to deleterious effects on the biosynthesis of chlorophyll (Wang and Zhou, ), the transpiration and respiration processes, and the stomatal opening (Hasan A supramolecular organisation has been proposed for the Rb.

sphaeroides photosynthetic membrane (Verméglio and Joliot, ), based on kinetic evidence (Joliot et al, Joliot et al   Nonphotochemical quenching (NPQ) is the major self-regulatory mechanism of green plants, performed on a molecular level to protect them from an overexcitation during the direct sunlight.

It is believed that NPQ becomes available due to conformational dynamics of the light-harvesting photosynthetic complexes and involves a direct participation of Studies in plant respiration and photosynthesis, (Washington, The Carnegie Institution of Washington, ), by Herman Augustus Spoehr and John Merritt McGee (page images at HathiTrust) The transport of calcium and other cations in submerged aquatic plants / (Berkeley, ?type=lcsubc&key=Photosynthesis&c=x.

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 /excitation-energy-and-electron-transfer-in-photosynthesis. A fluorescence label can be more sensitive and accessible for low scattering NPs (e.g. Ag NPs). It is also possible to avoid the detection of membrane attached particles by quenching green fluorescence with the membrane excluded trypan blue.

For instance, trypan blue quenching was successfully done with FITC-labeled NPs. Another method to Influence of weak vibrational-electronic couplings on 2D electronic spectra and inter-site coherence in weakly coupled photosynthetic complexes, Proteins and Photosynthetic Membranes, a source book in photochemistry, ed.

J.D. Coyle et al. The Open University ()   The fluorescence from a purified, aggregate form of the light-harvesting chlorophyll a/b protein has a lifetime of +/- ns at low excitation intensity, but the lifetime decreases significantly when the intensity of the ps, nm excitation pulse is increased above about 10/sup 16/ photons 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   The function of the long-chain, highly unsaturated carotenoids of higher plants in photoprotection is becoming increasingly well understood, while at the same time their function in other processes, such as light collection, needs to be ://   The carotenoid species lutein, violaxanthin, and zeaxanthin are crucial in the xanthophyll-dependent nonphotochemical quenching occurring in photosynthetic systems of higher plants, since they are involved in dissipation of excess energy and thus protect the photosynthetic machinery from irreversible inhibition.

Nonetheless, important properties of the xanthophyll cycle carotenoids, such as   The function of the long-chain, highly unsaturated carotenoids of higher plants in photoprotection is becoming increasingly well understood, while at the same time their function in other processes, such as light collection, needs to be reexamined.

Recent progress in ?journalCode=fasebj. Cambridge Core - Plant Sciences - Lichen Biology - edited by Thomas H.

Nash, III    Doctoral Thesis of Govindjee: Effect of Combining Two Wavelengths of Light on the Photosynthesis of Algae. [9] Govindjee and E. Rabinowitch () Two Forms of Chlorophyll a in vivo with Distinct Photochemical Function.

Science [10] E. Rabinowitch, Govindjee and J.B. Thomas () Inhibition of Photosynthesis in Some Algae by Extreme-Red   The major characteristic features of J-aggregates (J, after Jelley, one of their inventors) are the strong shift of their absorption and emission spectra to lower energies (longer wavelengths) with respect to the spectra of monomers together with their dramatic sharpening (figure 1).Formation of J-aggregates is often described as an one-dimensional supramolecular :// Photosynthetic thermal tolerance (PT) can be defined at several levels, from a change in the excitation capacity of photosystem II (PSII) to the rate of carbon assimilation or biomass accumulation.

Within a range of temperatures the rate of photosynthesis responds rapidly and reversibly, with the functional integrity of the photosynthetic. Algal studies remain necessary for risk assessment and their utility in ecotoxicology is the evaluation of lethal and sub-lethal toxic effects of potential toxicants on inhabitants of several ecosystems.

Effects on algal photosynthetic apparatus caused by various chemical species have been extensively studied. The present chapter summarizes the published data concerning the toxicity of various Photosynthesis Explained. Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that can later be released to fuel the organisms' activities.

This chemical energy is stored in carbohydrate molecules, such as sugars, which are synthesized from carbon dioxide and water – hence the name photosynthesis, from the Greek φῶς, phōs, "light The FRRF was used to monitor the diel changes in chlorophyll fluorescence and photosynthetic characteristics of the coral (Gorbunov et al.

). The FRRF uses a