EPR and ENDOR characterization of semiquinone anion radicals related to photosynthesis

Hydrogen Bonding in Biological Structures

1991 • 2,456 citations

The Chemistry of the quinonoid compounds

1974 • 1,320 citations

Photosynthetic bacteria

1979 • 1,248 citations

The photosynthetic bacteria

1978 • 805 citations

Radiation Damage in Organic Crystals. II. Electron Spin Resonance of (CO2H)CH2CH(CO2H) in β-Succinic Acid

1960 • 786 citations

Structure of the photosynthetic reaction centre from Rhodobacter sphaeroides at 2.65 å resolution: cofactors and protein-cofactor interactions

1994 • 780 citations

The electrochemical domain of photosynthesis

1983 • 656 citations

Electron spin resonance—Elementary theory and practical applications

1972 • 652 citations

Nobel lecture. The photosynthetic reaction centre from the purple bacterium Rhodopseudomonas viridis.

1989 • 634 citations

Function of Quinones in Energy Conserving Systems

1982 • 596 citations

Principles of electron spin resonance

1993 • 551 citations

Structure of Rhodopseudomonas sphaeroides R‐26 reaction center

1986 • 526 citations

Biochemistry of Quinones.

1966 • 490 citations

Structural homology of reaction centers from Rhodopseudomonas sphaeroides and Rhodopseudomonas viridis as determined by x-ray diffraction.

1986 • 322 citations

Structure of the reaction center from Rhodobacter sphaeroides R-26 and 2.4.1: symmetry relations and sequence comparisons between different species.

1988 • 264 citations

Further Evidence for the Pool Function of Ubiquinone as Derived from the Inhibition of the Electron Transport by Antimycin

1973 • 235 citations

Ligand ENDOR of Metal Complexes in Powders

1970 • 231 citations

Electron spin double resonance spectroscopy

1977 • 229 citations

3-mm High-field EPR on semiquinone radical anions Q.cntdot.- related to photosynthesis and on the primary donor P.cntdot.+ and acceptor QA.cntdot.- in reaction centers of Rhodobacter sphaeroides R-26

1993 • 224 citations

Intermolecular electronic interactions in the primary charge separation in bacterial photosynthesis

1988 • 219 citations

Endor [electron-nuclear double resonance] of methyl, matrix, and .alpha. protons in amorphous and polycrystalline matrixes

1968 • 147 citations

COENZYME Q. I. STRUCTURE STUDIES ON THE COENZYME Q GROUP

1958 • 129 citations

Electron nuclear double resonance and electron spin resonance study of semiquinones related to vitamins K and E

1970 • 115 citations

Electronic structure of Q-A in reaction centers from Rhodobacter sphaeroides. I. Electron paramagnetic resonance in single crystals

1995 • 115 citations

General TRIPLE resonance on free radicals in solution. Determination of relative signs of isotropic hyperfine coupling constants

1975 • 108 citations

Immobilized radicals. IV. Biological semiquinone anions and neutral semiquinones

1981 • 93 citations

Isolation of Two Quinones with Coenzyme Q Activity from Alfalfa.

1959 • 90 citations

Immobilized radicals. I. Principal electron spin resonance parameters of the benzosemiquinone radical

1975 • 90 citations

ENDOR‐Spektroskopie – eine fortschrittliche Methode zur Strukturuntersuchung organischer Radikale

1984 • 89 citations

Electron nuclear double resonance of semiquinones in reaction centers of Rhodopseudomonas sphaeroides

1985 • 80 citations

Powder ENDOR spectra of p-benzoquinone anion radical: principal hyperfine tensor components for ring protons and for hydrogen-bonded protons

1986 • 79 citations

A CIDEP study of p-benzosemiquinone

1975 • 76 citations

Asymmetric binding of the primary acceptor quinone in reaction centers of the photosynthetic bacterium Rhodobacter sphaeroides R26, probed with Q‐band (35 GHz) EPR spectroscopy

1994 • 75 citations

EPR and ENDOR investigation of the primary electron acceptor radical anion QA.bul.- in iron-depleted photosystem II membrane fragments.

1995 • 70 citations

ENDOR of Semiquinones in RCs from Rhodopseudomonas sphaeroides

1985 • 68 citations

Orientation-Selected 95 GHz High-Field ENDOR Spectroscopy of Randomly Oriented Plastoquinone Anion Radicals

1995 • 55 citations

Oxygen−17 Hyperfine Splitting Constants in the ESR Spectra of p-Semiquinones—17O

1967 • 54 citations

Electron Spin Resonance Study of Oxygen-17 Enriched p-Benzosemiquinone Anion Radical

1966 • 47 citations

Anion radicals of bacteriochlorophyll a and bacteriopheophytin a. Electron spin resonance and electron nuclear double resonance studies

1977 • 47 citations

An Improved TM110 ENDOR Cavity for the Investigation of Transition Metal Complexes

1994 • 42 citations

Open shell SCF MO CI calculation of spin density distributions

1966 • 39 citations

Oxygen-17 and carbon-13 hyperfine interactions in the electron paramagnetic resonance spectrum of the hydroquinone cation radical

1970 • 39 citations

Elucidation of the principal hyperfine tensor components for the methyl group interaction in semiquinone anion radicals utilizing powder ENDOR spectroscopy

1984 • 38 citations

Least-squares analysis of ESR powder patterns with noncoincident principal axes of the g and hyperfine tensors

1982 • 35 citations

Über ein neues Chinon aus höheren Pflanzen

1966 • 33 citations

Double-Resonance Spectroscopy

1978 • 24 citations

Electron Nuclear Double Resonance Spectroscopy of Radicals in Solution. Application to Organic and Biological Chemistry

1989 • 24 citations

ENDOR and EPR studies of highly isotopically 13C-enriched ubiquinone radicals

1994 • 21 citations

INDO Calculations with inclusion of an effective solvent field. Application to benzosemiquinones

1978 • 21 citations

DUROQUINONE AND SOME DERIVATIVES OF DURENE

1926 • 19 citations

Electron paramagnetic resonance and ENDOR study of semiquinones in reversed micelles

1990 • 19 citations

ENDOR Characterization of Hydrogen-Bonding to Immobilized Quinone Anion Radicals

1985 • 15 citations

In situ generation of oxygen-17 labeled carbonyl anion radical systems

1990 • 3 citations