F. Ann Walker

F. Ann Walker publication distribution in Chemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Chemistry in 2026. The highlighted bar marks where F. Ann Walker sits on this spectrum.

F. Ann Walker D-index placement in Chemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Chemistry scientists ranked by Research.com in 2026. The highlighted bar marks where F. Ann Walker sits on this spectrum.

Research.com Recognitions

• 2011 - Fellow of the American Chemical Society
• 2000 - Garvan–Olin Medal, American Chemical Society (ACS)
• 1984 - Fellow of the American Association for the Advancement of Science (AAAS)

Overview

Best Publications

• Reversible binding of nitric oxide by a salivary heme protein from a bloodsucking insect

  J. M. C. Ribeiro;J. M. H. Hazzard;R. H. Nussenzveig;D. E. Champagne

  400
  Citations

• Magnetic spectroscopic (EPR, ESEEM, Mössbauer, MCD and NMR) studies of low-spin ferriheme centers and their corresponding heme proteins

  F.Ann Walker

  389
  Citations

• Models of the cytochromes b. Effect of axial ligand plane orientation on the EPR and Moessbauer spectra of low-spin ferrihemes

  F. Ann. Walker;Boi Hanh Huynh;W. Robert. Scheidt;Sarah R. Osvath

  329
  Citations

• Proton magnetic resonance investigation of antiferromagnetic oxo-bridged ferric dimers and related high-spin monomeric ferric complexes

  Gerd N. La Mar;G. R. Eaton;R. H. Holm;F. Ann. Walker

  325
  Citations

• Models of the Bis-Histidine-Ligated Electron-Transferring Cytochromes. Comparative Geometric and Electronic Structure of Low-Spin Ferro- and Ferrihemes

  F. Ann Walker

  305
  Citations

• ELECTRONIC EFFECTS IN TRANSITION METAL PORPHYRINS. 2. THE SENSITIVITY OF REDOX AND LIGAND ADDITION REACTIONS IN PARA-SUBSTITUTED TETRAPHENYLPORPHYRIN COMPLEXES OF COBALT(II)

  F. Ann Walker;D. Beroiz;K. M. Kadish

  276
  Citations

• Electron transfer by diflavin reductases.

  Marat B. Murataliev;René Feyereisen;F.Ann Walker

  252
  Citations

• Axial Ligand Orientation in Iron(III) Porphyrinates: Effect of Axial .pi.-Acceptors. Characterization of the Low-Spin Complex [Fe(TPP)(4-CNPy)2]ClO4

  Martin K. Safo;F. Ann Walker;Arnold M. Raitsimring;W. Patrick Walters

  214
  Citations

• Models of the Cytochromes b. Control of Axial Ligand Orientation with a "Hindered" Porphyrin System

  Martin K. Safo;Govind P. Gupta;F. Ann Walker;W. Robert Scheidt

  212
  Citations

• Models of the cytochromes b. 5. EPR studies of low-spin iron(III) tetraphenylporphyrins

  F. Ann Walker;David Reis;Virginia L. Balke

  212
  Citations

• Models of the cytochromes b. Low-spin bis-ligated (porphinato)iron(III) complexes with unusual molecular structures and NMR, EPR, and Moessbauer spectra

  Martin K. Safo;Govind P. Gupta;C. Todd Watson;Ursula Simonis

  203
  Citations

• Ligand-induced heme ruffling and bent no geometry in ultra-high-resolution structures of nitrophorin 4.

  S.A Roberts;A Weichsel;Y Qiu;Y Qiu;J.A Shelnutt;J.A Shelnutt

  173
  Citations

• Heme-assisted S-nitrosation of a proximal thiolate in a nitric oxide transport protein

  Andrzej Weichsel;Estelle M. Maes;John F. Andersen;John F. Andersen;Jesus G. Valenzuela

  170
  Citations

• 2 – Nuclear Magnetic Resonance of Paramagnetic Metalloporphyrins

  Gerd N. La Mar;F. Ann Walker

  169
  Citations

• Fe L-edge X-ray absorption spectroscopy of low-spin heme relative to non-heme Fe complexes: delocalization of Fe d-electrons into the porphyrin ligand.

  Rosalie K. Hocking;Erik C. Wasinger;Yi-Long Yan;Frank M. F. deGroot

  165
  Citations

• Kinetics and equilibria in ligand binding by nitrophorins 1-4: evidence for stabilization of a nitric oxide-ferriheme complex through a ligand-induced conformational trap.

  Andersen Jf;Ding Xd;Balfour C;Shokhireva Tk

  164
  Citations

• Reactions of monomeric cobalt-oxygen complexes. I. Thermodynamics of reaction of molecular oxygen with five- and six-coordinate amine complexes of a cobalt porphyrin.

  F. Ann. Walker

  153
  Citations

• Co- and Counterrotation of Magnetic Axes and Axial Ligands in Low-Spin Ferriheme Systems

  Nikolai V. Shokhirev and;F. Ann Walker

  153
  Citations

• Is the corrolate macrocycle innocent or noninnocent? Magnetic susceptibility, Mössbauer, 1H NMR, and DFT investigations of chloro- and phenyliron corrolates.

  Olga Zakharieva;Volker Schünemann;Michael Gerdan;Silvia Licoccia

  148
  Citations

• Pulsed EPR and NMR Spectroscopy of Paramagnetic Iron Porphyrinates and Related Iron Macrocycles: How To Understand Patterns of Spin Delocalization and Recognize Macrocycle Radicals

  F. Ann Walker

  143
  Citations

• Analysis of the Temperature Dependence of the 1H Contact Shifts in Low-Spin Fe(III) Model Hemes and Heme Proteins: Explanation of "Curie" and "Anti-Curie" Behavior within the Same Molecule

  Nikolai V. Shokhirev;F. Ann Walker

  141
  Citations

• Electronic effects in transition metal porphyrins. The reactions of imidazoles and pyridines with a series of para-substituted tetraphenylporphyrin complexes of chloroiron(III).

  Unknown

  132
  Citations

• Nitric oxide interaction with insect nitrophorins and thoughts on the electron configuration of the {FeNO}6 complex.

  Unknown

  71
  Citations