World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
57
Citations
10029
World Ranking
11262
National Ranking
218

Research.com Recognitions

  • 1996 - Fellow of American Physical Society (APS) Citation For novel and insightful applications of a variety of EPR related techniques to the elucidation of the primary processes in bacterial and green plant photosynthesis

Overview

What is he best known for?

The fields of study he is best known for:

  • Quantum mechanics
  • Electron
  • Molecule

Arnold J. Hoff mainly focuses on Photochemistry, Photosynthetic reaction centre, Triplet state, Analytical chemistry and Electron paramagnetic resonance. His research in Photochemistry intersects with topics in Acceptor, Photosynthetic bacteria, Rhodobacter sphaeroides, Bacteriochlorophyll and Absorption spectroscopy. His work focuses on many connections between Photosynthetic reaction centre and other disciplines, such as Nuclear magnetic resonance spectroscopy, that overlap with his field of interest in Fluorescence spectroscopy.

Arnold J. Hoff interconnects Yield, Absorbance, Photosystem I, P700 and Singlet state in the investigation of issues within Triplet state. Arnold J. Hoff combines subjects such as Spectroscopy, Electron transport chain and Photosystem with his study of Analytical chemistry. His biological study spans a wide range of topics, including Resonance and Photosystem II.

His most cited work include:

  • Biophysical techniques in photosynthesis (289 citations)
  • On the magnetic field dependence of the yield of the triplet state in reaction centers of photosynthetic bacteria. (128 citations)
  • Electron paramagnetic resonance of spin-correlated radical pairs in photosynthetic reactions (123 citations)

What are the main themes of his work throughout his whole career to date?

The scientist’s investigation covers issues in Photochemistry, Photosynthetic reaction centre, Electron paramagnetic resonance, Triplet state and Rhodobacter sphaeroides. Within one scientific family, Arnold J. Hoff focuses on topics pertaining to Spectroscopy under Photochemistry, and may sometimes address concerns connected to Photosynthesis. Arnold J. Hoff has included themes like Analytical chemistry, Atomic physics and Bacteriochlorophyll in his Photosynthetic reaction centre study.

His Electron paramagnetic resonance research includes elements of Crystallography, Molecular physics, Excitation, Quinone and Anisotropy. His Triplet state study also includes

  • Absorbance and related Dichroic glass,
  • Magnetic field together with Yield. Carbon-13 NMR is closely connected to Magic angle spinning in his research, which is encompassed under the umbrella topic of Rhodobacter sphaeroides.

He most often published in these fields:

  • Photochemistry (56.50%)
  • Photosynthetic reaction centre (43.00%)
  • Electron paramagnetic resonance (30.50%)

What were the highlights of his more recent work (between 1999-2011)?

  • Photochemistry (56.50%)
  • Photosynthetic reaction centre (43.00%)
  • Rhodobacter sphaeroides (27.00%)

In recent papers he was focusing on the following fields of study:

His primary areas of study are Photochemistry, Photosynthetic reaction centre, Rhodobacter sphaeroides, Electron paramagnetic resonance and Excited state. His research integrates issues of CIDNP, Electronic structure, Ground state and Pheophytin, Photosystem II in his study of Photochemistry. His Photosystem II study combines topics in areas such as Absorption, Spectroscopy and Absorption spectroscopy.

The concepts of his Photosynthetic reaction centre study are interwoven with issues in Quantum yield and Nuclear magnetic resonance spectroscopy. His work deals with themes such as Stereochemistry and Bacteriochlorophyll, which intersect with Rhodobacter sphaeroides. The Electron paramagnetic resonance study combines topics in areas such as Triplet state and Atomic physics.

Between 1999 and 2011, his most popular works were:

  • Heteronuclear 2D-correlations in a uniformly [13C, 15N] labeled membrane-protein complex at ultra-high magnetic fields. (76 citations)
  • Aggregation of LHCII Leads to a Redistribution of the Triplets over the Central Xanthophylls in LHCII (61 citations)
  • Pigment Organization and Their Interactions in Reaction Centers of Photosystem II: Optical Spectroscopy at 6 K of Reaction Centers with Modified Pheophytin Composition† (57 citations)

In his most recent research, the most cited papers focused on:

  • Quantum mechanics
  • Electron
  • Molecule

Arnold J. Hoff focuses on Photochemistry, Bacteriochlorophyll, Rhodobacter sphaeroides, Photosynthetic reaction centre and Magic angle spinning. Arnold J. Hoff incorporates Photochemistry and Biophysics in his research. The Bacteriochlorophyll study which covers Electron transfer that intersects with Yield, Ultrafast laser spectroscopy and Stereochemistry.

His work carried out in the field of Magic angle spinning brings together such families of science as Photosynthetic bacteria, Two-dimensional nuclear magnetic resonance spectroscopy and Solid-state nuclear magnetic resonance. In his research on the topic of Delocalized electron, Excited state is strongly related with Photosystem II. His Excited state study deals with Electron transport chain intersecting with Crystallography.

Best Publications

  • Photophysics of photosynthesis. Structure and spectroscopy of reaction centers of purple bacteria

    A. J. Hoff;Johann Deisenhofer

  • Biophysical techniques in photosynthesis

    Jan Amesz;Arnold J. Hoff

  • Femtosecond spectroscopy of electron transfer in the reaction center of the photosynthetic bacterium Rhodopseudomonas sphaeroides R-26: Direct electron transfer from the dimeric bacteriochlorophyll primary donor to the bacteriopheophytin acceptor with a time constant of 2.8 +/- 0.2 psec.

    J.-L. Martin;J. Breton;A. J. Hoff;A. Migus

  • Electron paramagnetic resonance of spin-correlated radical pairs in photosynthetic reactions

    P.J. Hore;D.A. Hunter;C.D. McKie;A.J. Hoff

  • On the magnetic field dependence of the yield of the triplet state in reaction centers of photosynthetic bacteria.

    Arnold J. Hoff;Henk Rademaker;Rienk Van Grondelle;Louis N.M. Duysens

  • ESEEM study of spin-spin interactions in spin-polarised P+QA− pairs in the photosynthetic purple bacterium Rhodobacter sphaeroides R26

    Sergei A. Dzuba;Peter Gast;Arnold J. Hoff

  • Asymmetric binding of the 1- and 4-C=O groups of QA in Rhodobacter sphaeroides R26 reaction centres monitored by Fourier transform infra-red spectroscopy using site-specific isotopically labelled ubiquinone-10.

    R. Brudler;H. J. M. De Groot;W. B. S. Van Liemt;W. F. Steggerda

  • Evidence for a very early intermediate in bacterial photosynthesis. A photon-echo and hole-burning study of the primary donor band in Rhodopseudomonas sphaeroides

    S.R. Meech;A.J. Hoff;D.A. Wiersma

  • High-resolution optical absorption-difference spectra of the triplet state of the primary donor in isolated reaction centers of the photosynthetic bacteria Rhodopseudomonas sphaeroides R-26 and Rhodopseudomonas viridis measured with optically detected magnetic resonance at 1.2 K

    H.J. Den Blanken;A.J. Hoff

  • Carotenoid triplet yields in normal and deuterated Rhodospirillum rubrum.

    Henk Rademaker;Arnold J. Hoff;Rienk Van Grondelle;Louis N.M. Duysens

  • Heteronuclear 2D-correlations in a uniformly [13C, 15N] labeled membrane-protein complex at ultra-high magnetic fields.

    T. A. Egorova-Zachernyuk;J. Hollander;N. Fraser;P. Gast

  • Evidence for a new early acceptor in Photosystem I of plants. An ESR investigation of reaction center triplet yield and of the reduced intermediary acceptors

    P. Gast;T. Swarthoff;F.C.R. Ebskamp;A.J. Hoff

  • High-resolution triplet-minus-singlet absorbance difference spectrum of photosystem II particles

    H.J. den Blanken;A.J. Hoff;A.P.J.M. Jongenelis;B.A. Diner

  • Role of charge-transfer states in bacterial photosynthesis.

    S. R. Meech;A. J. Hoff;D. A. Wiersma

  • Microwave and optical spectroscopy of carotenoid triplets in light-harvesting complex LHC II of spinach by absorbance-detected magnetic resonance

    R. van der Vos;D. Carbonera;A. J. Hoff

  • BA and BB Absorbance Perturbations Induced by Coherent Nuclear Motions in Reaction Centers from Rhodobacter sphaeroides upon 30-fs Excitation of the Primary Donor

    A. M. Streltsov;S. I. E. Vulto;A. Ya. Shkuropatov;A. J. Hoff

  • 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

    Johan S. van den Brink;Andrej P. Spoyalov;Peter Gast;Willem B.S. van Liemt

  • Spectroscopic characterization of reaction centers of the (M)Y210W mutant of the photosynthetic bacterium Rhodobacter sphaeroides.

    Susana Shochat;Thomas Arlt;Christof Francke;Peter Gast

  • Kinetics of populating and depopulating of the components of the photoinduced triplet state of the photosynthetic bacteria Rhodospirillum rubrum, Rhodopseudomonas spheroides (wild type), and its mutant R-26 as measured by ESR in zero-field.

    A.J. Hoff

  • Analysis of the optical absorbance spectra of D1-D2-cytochrome b-559 complexes by absorbance-detected magnetic resonance: Structural properties of P680

    Robert van der Vos;Peter J. van Leeuwen;Paula Braun;Arnold J. Hoff

  • Aggregation of LHCII Leads to a Redistribution of the Triplets over the Central Xanthophylls in LHCII

    Stefania S. Lampoura;Virginijus Barzda;Gabrielle M. Owen;Arnold J. Hoff

Frequent Co-Authors

Johan Lugtenburg
Johan Lugtenburg Leiden University
P. J. Hore
P. J. Hore University of Oxford
Thijs J. Aartsma
Thijs J. Aartsma Leiden University
Vladimir A. Shuvalov
Vladimir A. Shuvalov Russian Academy of Sciences
Huub J. M. de Groot
Huub J. M. de Groot Leiden University
Klaus Gerwert
Klaus Gerwert Ruhr University Bochum
Hugo Scheer
Hugo Scheer Ludwig-Maximilians-Universität München
Stenbjörn Styring
Stenbjörn Styring Uppsala University
Marc Baldus
Marc Baldus Utrecht University
Wolfgang Lubitz
Wolfgang Lubitz Max Planck Society

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