Search Results - "Alden, R. G"

Calculations of Spectroscopic Properties of the LH2 Bacteriochlorophyll−Protein Antenna Complex from Rhodopseudomonas acidophila by Alden, R. G, Johnson, E, Nagarajan, V, Parson, W. W, Law, C. J, Cogdell, R. G

“…Absorption and CD spectra of a photosynthetic bacterial antenna complex are calculated on the basis of the crystal structure of the LH2 (B800-850) complex from…”
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Ultrafast Exciton Relaxation in the B850 Antenna Complex of Rhodobacter sphaeroides by Nagarajan, V., Alden, R. G., Williams, J. C., Parson, W. W.

“…Spectral changes were measured with femtosecond resolution following low-intensity, broad-band excitation of the peripheral antenna complex of the purple…”
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Effects of mutations near the bacteriochlorophylls in reaction centers from Rhodobacter sphaeroides by Williams, J. C, Alden, R. G, Murchison, H. A, Peloquin, J. M, Woodbury, N. W, Allen, J. P

“…Mutations were made in four residues near the bacteriochlorophyll cofactors of the photosynthetic reaction center from Rhodobacter sphaeroides. These…”
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Mutations designed to modify the environment of the primary electron donor of the reaction center from Rhodobacter sphaeroides: Phenylalanine to leucine at L167 and histidine to phenylalanine at L168 by Murchison, H. A, Alden, R. G, Allen, J. P, Peloquin, J. M, Taguchi, A. K. W, Woodbury, N. W, Williams, J. C

“…Two mutations, L168 His to Phe and L167 Phe to Leu, were made in residues near the primary electron donor, a bacteriochlorophyll dimer, of the reaction center…”
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Influences of .pi.-.pi. complex formation, dimerization, and binding to hemoglobin on the planarity of nickel(II) porphyrins by Alden, R. G, Ondrias, M. R, Shelnutt, John A

“…The effects of pi - pi dimerization and complex formation on the planar and nonplanar conformations of the macrocycle of nickel(II) uroporphyrin I (NiUroP…”
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Ruffling of nickel(II) octaethylporphyrin in solution by Alden, R. G, Crawford, B. A, Doolen, R, Ondrias, M. R, Shelnutt, J. A

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Biochemical characterization and electron-transfer reactions of sym1, a Rhodobacter capsulatus reaction center symmetry mutant which affects the initial electron donor by Taguchi, Aileen K. W, Stocker, Jonathan W, Alden, Rhett G, Causgrove, Timothy P, Peloquin, Jeffrey M, Boxer, Steven G, Woodbury, Neal W

“…A 51 bp section of the Rhodobacter capsulatus photosynthetic reaction center M subunit gene (nucleotides M562-M612 of the pufM structural sequence) encoding…”
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Direct measurement of vibrational temperatures in photoexcited deoxyhemoglobin on picosecond time scales by Alden, R. G, Chavez, M. D, Ondrias, M. R, Courtney, S. H, Friedman, J. M

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The effects of high pressure upon ligated and deoxyhemoglobins and myoglobin. An optical spectroscopic study by ALDEN, R. G, SATTERLEE, J. D, MINTOROVITCH, J, CONSTANTINIDIS, I, ONDRIAS, M. R, SWANSON, B. I

“…The effects of high pressure (0.1-3.4 gigapascal (GPa)) on the ferrous heme active sites of human adult hemoglobin, sperm whale myoglobin, and Glycera…”
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Transient Raman study of horseradish peroxidase. Evidence for a lack of extensive heme pocket relaxation subsequent to carbon monoxide photolysis by Alden, R G, Ondrias, M R

“…Time-resolved resonance Raman spectroscopy is a valuable tool for the study of the dynamics of heme-protein interactions. In particular, the photolysis of a…”
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Effect of temperature, energy gap and distortion of potential surfaces on photoinduced intramolecular electron transfer by Islampour, R, Alden, R. G, Wu, George Y. C, Lin, S. H

“…We report the quantitative examination of the effect of distortion of potential energy surfaces and the temperature effect on photoinduced intramolecular…”
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Heme-linked ionizations in horseradish peroxidase detected by Raman difference spectroscopy by Shelnutt, J A, Alden, R G, Ondrias, M R

“…Heme-linked ionizations of the acidic and basic isoenzymes of ferrous horseradish peroxidase influence both the Fe-histidine stretching mode and the…”
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Theoretical calculation of femtosecond time-resolved spectra of initial electron transfer in photosynthetic reaction centers by Lin, S. H, Alden, R. G, Hayashi, M, Suzuki, Satoru, Murchison, H. A

“…In this paper, we propose to study the dynamics and spectroscopy of photosynthetic reaction centers (RCs). We shall analyze the experimental femtosecond…”
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Effect of intermolecular vibronic coupling on nonradiative transitions and optical absorption of dimers by Pakhomov, A., Ekbundit, S., Lin, C.Huie, Alden, R.G., Lin, S.H.

“…The theory of intermolecular vibronic coupling of dimers is considered. It will be shown that even small intermolecular interaction has significant effect on…”
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Calculations of Electrostatic Energies in Photosynthetic Reaction Centers by Alden, Rhett G, Parson, William W, Chu, Zhen Tao, Warshel, Arieh

“…The free energies of radical-pair states of photosynthetic bacterial reaction centers are examined by calculations based on the crystal structure of the…”
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Time-dependent thermodynamics during early electron transfer in reaction centers from Rhodobacter sphaeroides by Peloquin, Jeffrey M, Williams, JoAnn C, Lin, Xiaomei, Alden, Rhett G, Taguchi, Aileen K. W, Allen, James P, Woodbury, Neal W

“…The temperature dependence of fluorescence on the picosecond to nanosecond time scale from the reaction centers of Rhodobacter sphaeroides strain R-26 and two…”
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Relationship between thermodynamics and mechanism during photoinduced charge separation in reaction centers from Rhodobacter sphaeroides by Woodbury, Neal W, Peloquin, Jeffrey M, Alden, Rhett G, Lin, Xiaomei, Lin, Su, Taguchi, Aileen K. W, Williams, JoAnn C, Allen, James P

“…Detailed fast transient absorption measurements have been performed at low temperature on reaction centers from Rhodobacter sphaeroides strain R-26 and on a…”
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Optical spectroscopic studies of heme proteins at high pressure by Swanson, B. I, Agnew, S. F, Ondrias, M. R, Alden, R. G

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Theory of second-harmonic generation of molecular systems : the steady-state case by LIN, S. H, ALDEN, R. G, VILLAEYS, A. A, PFLUMIO, V

“…In this paper, a general formalism for treating both steady-state and time-resolved second-harmonic generation for molecular systems is presented. Here, only…”
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Power-induced broadening of transient resonance Raman spectra of deoxyhemoglobin by Alden, R. G, Ondrias, M. R, Courtney, S, Findsen, E. W, Friedman, J. M

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