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Chemistry

D-Index
42
Citations
4992
World Ranking
17636
National Ranking
10

Overview

Arvi Freiberg is affiliated with the University of Tartu in Estonia and has contributed to multiple research areas primarily within biochemistry, genetics, and molecular biology. Their published work spans interdisciplinary domains including physics and astronomy as well as neuroscience, demonstrating a broad scientific scope.

The main fields of study associated with Freiberg's research include:

  • Biochemistry, Genetics and Molecular Biology
  • Physics and Astronomy
  • Neuroscience

Within these broader areas, Freiberg's subfields of study focus on:

  • Molecular Biology
  • Atomic and Molecular Physics, and Optics
  • Cellular and Molecular Neuroscience
  • Physical and Theoretical Chemistry
  • Spectroscopy

The core topics explored in Freiberg's work are connected to photosynthesis and molecular interactions, including:

  • Photosynthetic Processes and Mechanisms
  • Spectroscopy and Quantum Chemical Studies
  • Photoreceptor and Optogenetics Research
  • DNA Repair Mechanisms
  • Photochemistry and Electron Transfer Studies
  • Molecular Spectroscopy and Chirality
  • Protein Structure and Dynamics

Freiberg has coauthored research with several frequent collaborators, reflecting a network of joint scientific efforts. Notable frequent coauthors are:

  • Margus Rätsep
  • Kõu Timpmann
  • Liina Kangur
  • Zheng-Yu Wang-Otomo
  • Kristjan Leiger

The primary venues where Freiberg's research has been published include:

  • The Journal of Physical Chemistry B
  • Frontiers in Chemistry
  • Biochimica et Biophysica Acta (BBA) - Bioenergetics
  • Molecules
  • International Journal of Molecular Sciences

Selected recent papers authored or coauthored by Freiberg are:

  • "Establishment of the Qy Absorption Spectrum of Chlorophyll a Extending to Near-Infrared," 2020, published in Molecules
  • "Asymmetry in the Qy Fluorescence and Absorption Spectra of Chlorophyll a Pertaining to Exciton Dynamics," 2020, published in Frontiers in Chemistry
  • "Hysteretic Pressure Dependence of Ca2+ Binding in LH1 Bacterial Membrane Chromoproteins," 2023, published in The Journal of Physical Chemistry B
  • "The two light-harvesting membrane chromoproteins of Thermochromatium tepidum expose distinct robustness against temperature and pressure," 2020, published in Biochimica et Biophysica Acta (BBA) - Bioenergetics
  • "Hydrostatic High-Pressure-Induced Denaturation of LH2 Membrane Proteins," 2021, published in The Journal of Physical Chemistry B

Best Publications

  • Electron–phonon and vibronic couplings in the FMO bacteriochlorophyll a antenna complex studied by difference fluorescence line narrowing

    Margus Rätsep;Arvi Freiberg

  • Assignment of the Q -Bands of the Chlorophylls: Coherence Loss via Q x − Q y Mixing

    Jeffrey R. Reimers;Zheng-Li Cai;Rika Kobayashi;Margus Rätsep

  • Long-range molecular order as an efficient strategy for light harvesting in photosynthesis

    Zoya G. Fetisova;Arvi M. Freiberg;Kiu E. Timpmann

  • Demonstration and interpretation of significant asymmetry in the low-resolution and high-resolution Q(y) fluorescence and absorption spectra of bacteriochlorophyll a.

    Margus Rätsep;Zheng-Li Cai;Jeffrey R. Reimers;Arvi Freiberg

  • Surface excitons in ZnO crystals

    V.V. Travnikov;A. Freiberg;S.F. Savikhin

  • Mirror symmetry and vibrational structure in optical spectra of chlorophyll a

    Margus Rätsep;Juha Linnanto;Arvi Freiberg

  • Photosynthetic activity of far-red light in green plants

    Hugo Pettai;Vello Oja;Arvi Freiberg;Agu Laisk

  • Excitation Wavelength-Dependent Electron-Phonon and Electron-Vibrational Coupling in the CP29 Antenna Complex of Green Plants

    Margus Rätsep;Jörg Pieper;Klaus-Dieter Irrgang;Arvi Freiberg

  • Picosecond dynamics of directed excitation transfer in spectrally heterogeneous light-harvesting antenna of purple bacteria

    A. Freiberg;V.I. Godik;T. Pullerits;K. Timpman

  • Kinetics of picosecond bacteriochlorophyll luminescence in vivo as a function of the reaction center state

    A.Yu Borisov;A.M Freiberg;V.I Godik;K.K Rebane

  • Challenges facing an understanding of the nature of low-energy excited states in photosynthesis.

    Jeffrey R. Reimers;Jeffrey R. Reimers;Malgorzata Biczysko;Douglas Bruce;David F. Coker

  • Red spectral forms of chlorophylls in green plant PSI- A site-selective and high-pressure spectroscopy study

    Janne A. Ihalainen;Margus Rätsep;Poul Erik Jensen;Henrik Vibe Scheller

  • Detrapping of excitation energy from the reaction centre in the photosynthetic purple bacterium Rhodospirillum rubrum

    Kõu Timpmann;Fu Geng Zhang;Arvi Freiberg;Villy Sundström

  • Energy transfer in the inhomogeneously broadened core antenna of purple bacteria: a simultaneous fit of low-intensity picosecond absorption and fluorescence kinetics.

    T. Pullerits;K.J. Visscher;S. Hess;V. Sundström

  • Resonant emission from the B870 exciton state and electron–phonon coupling in the LH2 antenna chromoprotein

    Margus Rätsep;Arvi Freiberg

  • Excitonic polarons in quasi-one-dimensional LH1 and LH2 bacteriochlorophyll a antenna aggregates from photosynthetic bacteria : A wavelength-dependent selective spectroscopy study

    Arvi Freiberg;Margus Rätsep;Kõu Timpmann;Gediminas Trinkunas

  • Excitonic energy level structure and pigment-protein interactions in the recombinant water-soluble chlorophyll protein. I. Difference fluorescence line-narrowing.

    J. Pieper;M. Rätsep;I. Trostmann;H. Paulsen

  • Excitation energy transfer in chlorosomes of green bacteria: theoretical and experimental studies

    Z. Fetisova;A. Freiberg;K. Mauring;V. Novoderezhkin

  • Photosynthetic Vesicle Architecture and Constraints on Efficient Energy Harvesting

    Melih Şener;Johan Strümpfer;John A. Timney;Arvi Freiberg

  • Excitonic Energy Level Structure and Pigment−Protein Interactions in the Recombinant Water-Soluble Chlorophyll Protein. II. Spectral Hole-Burning Experiments

    J. Pieper;M. Rätsep;I. Trostmann;F.-J. Schmitt

  • Emitting excitonic polaron states in core LH1 and peripheral LH2 bacterial light-harvesting complexes

    Kou Timpmann;Margus Rätsep;C. Neil Hunter;Arvi Freiberg

Frequent Co-Authors

Jeffrey R. Reimers
Jeffrey R. Reimers University of Technology Sydney
C. Neil Hunter
C. Neil Hunter University of Sheffield
Tõnu Pullerits
Tõnu Pullerits Lund University
Neal W. Woodbury
Neal W. Woodbury Arizona State University
Richard J. Cogdell
Richard J. Cogdell University of Glasgow
Su Lin
Su Lin Arizona State University
Rienk van Grondelle
Rienk van Grondelle Vrije Universiteit Amsterdam
Agu Laisk
Agu Laisk University of Tartu
Klaus Schulten
Klaus Schulten University of Illinois at Urbana-Champaign
Gabor Tigyi
Gabor Tigyi University of Tennessee Health Science Center

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