World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
48
Citations
7413
World Ranking
15343
National Ranking
3884

Research.com Recognitions

  • 1990 - Fellow of Alfred P. Sloan Foundation
  • 1969 - Fellow of the Royal Society of Canada

Overview

William H. Armstrong is affiliated with Appalachian State University in the United States. Their research primarily focuses on multidisciplinary areas involving materials science, biochemistry, genetics and molecular biology, and chemistry.

The main fields of study covered by Armstrong include:

  • Materials Science
  • Biochemistry, Genetics and Molecular Biology
  • Chemistry

The subfields of study within these main disciplines encompass:

  • Materials Chemistry
  • Molecular Biology
  • Inorganic Chemistry
  • Atomic and Molecular Physics, and Optics
  • Cellular and Molecular Neuroscience

Armstrong's work addresses several key scientific topics, including:

  • Photosynthetic Processes and Mechanisms
  • Crystallization and Solubility Studies
  • X-ray Diffraction in Crystallography
  • Spectroscopy and Quantum Chemical Studies
  • Photoreceptor and Optogenetics Research
  • Vanadium and Halogenation Chemistry
  • Metal Complexes Synthesis and Properties

The scientist has contributed to several recent publications demonstrating a focus on photosystem II and photosynthetic complexes. Notable papers include:

  • "High-resolution cryo-electron microscopy structure of photosystem II from the mesophilic cyanobacterium, Synechocystis sp. PCC 6803" (2021), published in Proceedings of the National Academy of Sciences
  • "Structure of a monomeric photosystem II core complex from a cyanobacterium acclimated to far-red light reveals the functions of chlorophylls d and f" (2021), published in Journal of Biological Chemistry
  • "Do crystallographic XFEL data support binding of a water molecule to the oxygen-evolving complex of photosystem II exposed to two flashes of light?" (2021), published in Proceedings of the National Academy of Sciences
  • "Heterogeneous Composition of Oxygen-Evolving Complexes in Crystal Structures of Dark-Adapted Photosystem II" (2021), published in Biochemistry
  • "Richard Hadley Holm: A Remembrance and A Tribute" (2021), published in Comments on Inorganic Chemistry

Armstrong frequently publishes in several venues, including:

  • The Cambridge Structural Database
  • Proceedings of the National Academy of Sciences
  • Journal of Biological Chemistry
  • Biochemistry
  • Comments on Inorganic Chemistry

Collaborations are a significant aspect of Armstrong's research activities. Frequent co-authors include:

  • Peter J. Bonitatebus
  • Jimin Wang
  • Christopher J. Gisriel
  • Víctor S. Batista
  • Gary W. Brudvig

William H. Armstrong has received recognitions including being named Fellow of the Royal Society of Canada in 1969 and Fellow of the Alfred P. Sloan Foundation in 1990.

Best Publications

  • Manganese clusters with relevance to photosystem II.

    Sumitra Mukhopadhyay;Sanjay K. Mandal;Sumit Bhaduri;William H. Armstrong

  • 55Mn ENDOR of the S2-State Multiline EPR Signal of Photosystem II: Implications on the Structure of the Tetranuclear Mn Cluster

    Jeffery M Peloquin;Kristy A Campbell;David W. Randall;Mark A Evanchik

  • Assembly and characterization of an accurate model for the diiron center in hemerythrin

    William H. Armstrong;Alan Spool;Georgia C. Papaefthymiou;Richard B. Frankel

  • Binuclear Manganese(III) Complexes of Potential Biological Significance

    John E. Sheats;Roman S. Czernuszewicz;G. Charles Dismukes;Stephen J. Lippard

  • Ligand Field Strengths and Oxidation States from Manganese L-Edge Spectroscopy

    S. P. Cramer;Y. Ma;C. T. Chen;F. Sette

  • Reversible protonation of the oxo bridge in a hemerythrin model compound. Synthesis, structure, and properties of (.mu.-hydroxo)bis(.mu.-acetato)bis[hydrotris(1-pyrazolyl)borato]diiron(III) [(HB(pz)3)Fe(OH)(O2CCH3)2Fe(HB(pz)3)2]+

    William H. Armstrong;Stephen J. Lippard

  • Glaciation of alpine valleys: The glacier – debris-covered glacier – rock glacier continuum

    Robert S. Anderson;Leif S. Anderson;William H. Armstrong;William H. Armstrong;Matthew W. Rossi

  • (.mu.-Oxo)bis(.mu.-acetato)bis(tri-1-pyrazolylborato)diiron(III), [(HBpz3)FeO(CH3CO2)2Fe(HBpz3)]: model for the binuclear iron center of hemerythrin

    William H. Armstrong;Stephen J. Lippard

  • 55Mn ESE-ENDOR of a Mixed Valence Mn(III)Mn(IV) Complex: Comparison with the Mn Cluster of the Photosynthetic Oxygen-Evolving Complex

    David W. Randall;Bradley E. Sturgeon;James A. Ball;Gary A. Lorigan

  • High-resolution cryo-electron microscopy structure of photosystem II from the mesophilic cyanobacterium, Synechocystis sp. PCC 6803

    Unknown

  • Electronic Structure and Spectroscopy of Manganese Catalase and Di-.mu.-oxo [MnIIIMnIV] Model Complexes

    Daniel R. Gamelin;Martin L. Kirk;Timothy L. Stemmler;Samudranil Pal

  • Synthesis, structure, and properties of [Mn(salpn)(EtOH)2](ClO4) and its aerobic oxidation product [Mn(salpn)O]2

    Joel W. Gohdes;William H. Armstrong

  • Characterization of the Mn Oxidation States in Photosystem II by Kβ X-ray Fluorescence Spectroscopy

    Uwe Bergmann;Melissa M. Grush;Craig R. Horne;Pamela DeMarois

  • Ground spin state variability in manganese oxo aggregates. Demonstration of an S = 3/2 ground state for [Mn3O4(OH)(bpea)3](ClO4)3

    Samudranil Pal;Michael K. Chan;William H. Armstrong

  • Tetranuclear iron-oxo complexes. Synthesis, structure, and properties of species containing the nonplanar {Fe4O2}8+ core and seven bridging carboxylate ligands

    William H. Armstrong;Mary E. Roth;Stephen J. Lippard

  • M{Hydrotris(3-phenylpyrazol-1-yl)borate}2: sterically encumbered iron(II) and manganese(II) complexes

    David M. Eichhorn;William H. Armstrong

  • Support for a dimer of di-.mu.-oxo dimers model for the photosystem II manganese aggregate. Synthesis and properties of [(Mn2O2)2(tphpn)2](ClO4)4

    Michael K. Chan;William H. Armstrong

  • Tetranuclear Manganese-Oxo Aggregates Relevant to the Photosynthetic Water Oxidation Center. Crystal Structure, Spectroscopic Properties and Reactivity of Adamantane-Shaped [Mn4O6(bpea)4]4+ and the Reduced Mixed-Valence Analog [Mn4O6(bpea)4]3+

    Christopher E. Dubé;David W. Wright;Samudranil Pal;Peter J. Bonitatebus

  • Detection of EPR spectra in S = 2 states of trivalent manganese complexes

    S. L. Dexheimer;Joel W. Gohdes;Michael K. Chan;Karl S. Hagen

  • Tetranuclear manganese-oxo complex with a 2.7-.ANG. manganese.cntdot..cntdot..cntdot.manganese separation and intramolecular water.cntdot..cntdot..cntdot.(.mu.-oxygen) hydrogen-bonded contacts: [Mn4O2(TPHPN)2(H2O)2(CF3SO3)2](CF3SO3)3. Possible mode for binding of water at the active site of the oxygen-evolving complex in photosystem II

    Michael K. Chan;William H. Armstrong

  • Syntheses, Structures, and Properties of [Mn2(.mu.-O)2(.mu.-O2CCH3)(fac-bpea)2](ClO4)2 and Two Halide-Ligated Dioxo-Bridged Dimers Derived Therefrom: [Mn2(.mu.-O)2X2(mer-bpea)2](ClO4)2 (X = F, Cl)

    Samudranil Pal;Marilyn M. Olmstead;William H. Armstrong

Frequent Co-Authors

Robert S. Anderson
Robert S. Anderson University of Colorado Boulder
Richard H. Holm
Richard H. Holm Harvard University
Matthias Huss
Matthias Huss University of Fribourg
Richard B. Frankel
Richard B. Frankel California Polytechnic State University
Georgia C. Papaefthymiou
Georgia C. Papaefthymiou Villanova University
Harihar Rajaram
Harihar Rajaram Johns Hopkins University
Stephen P. Cramer
Stephen P. Cramer Search for Extraterrestrial Intelligence
Martin L. Kirk
Martin L. Kirk University of New Mexico
Edward I. Solomon
Edward I. Solomon Stanford University

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

Pursuing a Chemistry degree in the USA opens doors to diverse career paths, each with unique educational requirements and salary potentials. For those interested in legal support roles connected to scientific fields, exploring degrees for paralegals can offer flexible online options that combine science and law.

Chemistry graduates might also consider roles in the pharmaceutical industry. Becoming a pharmaceutical sales representative often requires understanding both chemistry and business principles. Insights into the pharma sales rep salary highlight the lucrative potential of these positions.

For those looking to deepen their expertise and clinical involvement, becoming a pharmacist is a common pathway. Detailed information on how much schooling to be a pharmacist clarifies the commitment necessary for this profession, including advanced degrees and licensing.

Alternatively, applying chemistry knowledge in forensic science is an emerging field. Careers like autopsy technicians integrate biology and chemistry skills. Learning about autopsy technician jobs sheds light on educational paths and job outlooks for this specialized career.

Best Scientists Citing William H. Armstrong

Trending Scientists

Recently Published Articles