Search Results - "Mauzerall, David"
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Soluble Synthetic Multiporphyrin Arrays. 2. Photodynamics of Energy-Transfer Processes
Published in Journal of the American Chemical Society (13-11-1996)“…Soluble ethyne-linked tetraarylporphyrin arrays that mimic natural light-harvesting complexes by absorbing light and directing excited-state energy have been…”
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Fast and Efficient Charge Transport across a Lipid Bilayer Is Electronically Mediated by C70 Fullerene Aggregates
Published in Journal of the American Chemical Society (19-06-1996)“…Fullerene anions, made by photoreduction in a lipid bilayer, produce the largest trans-membrane steady state photocurrents yet observed, ∼6.0 μA/cm2. Since…”
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Photoinduced electron transport across a lipid bilayer mediated by C70
Published in Nature (London) (14-01-1993)“…Electron transport across a membrane is central to photosynthesis, to mitochondrial respiration and to the design of molecular systems for solar energy…”
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Thermodynamics of Electron Transfer in Oxygenic Photosynthetic Reaction Centers: Volume Change, Enthalpy, and Entropy of Electron-Transfer Reactions in Manganese-Depleted Photosystem II Core Complexes
Published in Biochemistry (Easton) (19-06-2001)“…We have previously reported the thermodynamic data of electron transfer in photosystem I using pulsed time-resolved photoacoustics [Hou et al. (2001)…”
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Evolution of Porphyrins
Published in Clinics in dermatology (01-03-1998)Get full text
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Changes in Enthalpy of the Joliot-Kok Four Step Cycle to Produce Oxygen in Photosynthesis
Published in Biophysical journal (01-01-2010)Get full text
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Differential Effects of Nitrogen Limitation on Photosynthetic Efficiency of Photosystems I and II in Microalgae
Published in Plant physiology (Bethesda) (01-02-1996)“…The effects of nitrogen starvation on photosynthetic efficiency were examined in three unicellular algae by measuring changes in the quantum yield of…”
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Light, iron, Sam Granick and the origin of life
Published in Photosynthesis research (01-08-1992)“…Living matter is an organized system which requires a continual flux of energy for its survival. As a working assumption, the flux of energy required for the…”
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Fast Photoinduced Electron Transfer from Polyalkyl- to Polyfluoro-Metalloporphyrins in Lipid Bilayer Membranes
Published in The journal of physical chemistry. B (13-08-1998)“…Direct electrochemical evidence shows that photoinduced electron transfer from excited Mg−octaethylporphyrin (MgOEP) to a Mg (or Zn) complex of…”
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Energy storage of linear and cyclic electron flows in photosynthesis
Published in Plant physiology (Bethesda) (01-12-1992)“…The energy storage of photosynthesis in the green alga Chlorella vulgaris was determined by pulsed, time-resolved photoacoustics. The energy storage of the…”
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LISTENING TO PHYTOPLANKTON: MEASURING BIOMASS AND PHOTOSYNTHESIS BY PHOTOACOUSTICS
Published in Journal of phycology (01-10-1998)“…A simple technique based on photoacoustic measurements allowed us to determine the biomass, as well as the efficiency of photosynthesis, for different taxa of…”
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Photoacoustics as a diagnostic tool for probing the physiological status of phytoplankton
Published in Israel journal of plant sciences (01-01-2005)“…In nature, conditions for the growth of phytoplankton rarely support their maximal potential doubling rates. The main rate-limiting factor determining the…”
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Photosystem trap energies and spectrally-dependent energy-storage efficiencies in the Chl d-utilizing cyanobacterium, Acaryochloris marina
Published in Biochimica et biophysica acta (01-03-2013)“…Acaryochloris marina is the only species known to utilize chlorophyll (Chl) d as a principal photopigment. The peak absorption wavelength of Chl d is…”
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Determination of oxygen emission and uptake in leaves by pulsed, time resolved photoacoustics
Published in Plant physiology (Bethesda) (01-09-1990)“…Pulsed, time resolved photoacoustics has sufficient sensitivity to determine oxygen emission and uptake by single turnover flashes to leaves. The advantage…”
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Electron tunneling in a cofacial zinc porphyrin-quinone cage molecule: novel temperature and solvent dependence
Published in Journal of the American Chemical Society (1990)“…The zinc porphyrin-quinone cage molecule ZnPQ(Ac){sub 4} exists as two slowly equilibrating conformers differing in the interplanar porphyrin-quinone distance…”
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Pulsed Photoacoustic Detection of Flash-Induced Oxygen Evolution from Intact Leaves and Its Oscillations
Published in Proceedings of the National Academy of Sciences - PNAS (01-07-1988)“…Photoacoustic signals from intact leaves, produced upon excitation with single-turnover flashes, were shown to be dependent on their position in the flash…”
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Personal reminiscences of Bruce Merrifield
Published in Biopolymers (2008)Get full text
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Symplastic transport of carboxyfluorescein in staminal hairs of Setcreasea purpurea is diffusive and includes loss to the vacuole
Published in Plant physiology (Bethesda) (01-07-1989)“…The kinetics of symplastic transport in staminal hairs of Setcreasea purpurea was studied. The tip cell of a staminal hair was microinjected with…”
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