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Chemistry

D-Index
62
Citations
15040
World Ranking
8755
National Ranking
2505

Overview

Samuel M. Webb is affiliated with the SLAC National Accelerator Laboratory in the United States. Their research primarily focuses on Earth and Planetary Sciences, with significant contributions in several subfields including Paleontology, Geochemistry and Petrology, Atmospheric Science, Radiation, and Molecular Biology.

Their work spans a variety of main topics such as Geochemistry and Elemental Analysis, Paleontology and Stratigraphy of Fossils, Geology and Paleoclimatology Research, X-ray Spectroscopy and Fluorescence Analysis, Radioactive Element Chemistry and Processing, Isotope Analysis in Ecology, and Cultural Heritage Materials Analysis.

Frequent co-authors in Webb's research include Nicholas P. Edwards, Woodward W. Fischer, M. R. Raven, Maria E. McNamara, and Sharon Bone. Their collaborations have resulted in publications across several scientific venues.

Key publication venues where Webb has contributed include:

  • Geochimica et Cosmochimica Acta
  • Journal of Synchrotron Radiation
  • Goldschmidt2021 abstracts
  • Abstracts with programs - Geological Society of America
  • Science Advances

Recent papers authored or co-authored by Webb include:

  • "Microbial sulfate reduction and organic sulfur formation in sinking marine particles," 2021, Science
  • "Reexamination of 2.5-Ga 'whiff' of oxygen interval points to anoxic ocean before GOE," 2022, Science Advances
  • "Mineralogical transformations in polymetallic nodules and the change of Ni, Cu and Co crystal-chemistry upon burial in sediments," 2020, Geochimica et Cosmochimica Acta
  • "X-ray fluorescence microscopy methods for biological tissues," 2022, Metallomics
  • "Sulfur isotope fractionation between aqueous and carbonate-associated sulfate in abiotic calcite and aragonite," 2020, Geochimica et Cosmochimica Acta

Best Publications

  • Biogenic manganese oxides: Properties and mechanisms of formation

    Bradley M. Tebo;John R. Bargar;Brian G. Clement;Gregory J. Dick

  • SIXpack: A Graphical user interface for XAS analysis using IFEFFIT

    S. M. Webb

  • A Bacterium That Can Grow by Using Arsenic Instead of Phosphorus

    Felisa Wolfe-Simon;Felisa Wolfe-Simon;Jodi Switzer Blum;Thomas R. Kulp;Gwyneth W. Gordon

  • In situ X-ray absorption spectroscopy investigation of a bifunctional manganese oxide catalyst with high activity for electrochemical water oxidation and oxygen reduction.

    Yelena Gorlin;Benedikt Lassalle-Kaiser;Jesse D. Benck;Sheraz Gul

  • Evidence for the presence of Mn(III) intermediates in the bacterial oxidation of Mn(II)

    Samuel M. Webb;Gregory J. Dick;John R. Bargar;Bradley M. Tebo

  • Structural characterization of biogenic Mn oxides produced in seawater by the marine bacillus sp. strain SG-1

    Sam M. Webb;B. M. Tebo;J. R. Bargar

  • Biotic and abiotic products of Mn(II) oxidation by spores of the marine bacillus sp. strain SG-1

    John R. Bargar;Bradley M. Tebo;Uwe Bergmann;Samuel M. Webb

  • Weathering of the Rio Blanco quartz diorite, Luquillo Mountains, Puerto Rico: Coupling oxidation, dissolution, and fracturing

    Heather L. Buss;Peter B. Sak;Samuel M. Webb;Susan L. Brantley

  • Coupled biotic–abiotic Mn(II) oxidation pathway mediates the formation and structural evolution of biogenic Mn oxides

    D.R. Learman;S.D. Wankel;S.M. Webb;N. Martinez

  • Manganese-oxidizing photosynthesis before the rise of cyanobacteria

    Jena E. Johnson;Samuel M. Webb;Katherine Thomas;Shuhei Ono

  • Enhanced exopolymer production and chromium stabilization in Pseudomonas putida unsaturated biofilms.

    John H. Priester;Scott G. Olson;Samuel M. Webb;Mary P. Neu

  • Mn(II) oxidation by an ascomycete fungus is linked to superoxide production during asexual reproduction

    Colleen M. Hansel;Carolyn A. Zeiner;Cara M. Santelli;Samuel M. Webb

  • Site Specific X-ray Anomalous Dispersion of the Geometrically Frustrated Kagomé Magnet, Herbertsmithite, ZnCu3(OH)6Cl2

    Danna E. Freedman;Tianheng H. Han;Andrea Prodi;Peter Müller

  • Uranium biomineralization as a result of bacterial phosphatase activity: insights from bacterial isolates from a contaminated subsurface.

    Melanie J Beazley;Robert J Martinez;Patricia A Sobecky;Samuel M Webb

  • Zinc sorption to biogenic hexagonal-birnessite particles within a hydrated bacterial biofilm

    Brandy Toner;Alain Manceau;Samuel M. Webb;Garrison Sposito

  • Photoreduction of iron oxyhydroxides in the presence of important atmospheric organic compounds

    Simo O. Pehkonen;Ron Siefert;Yigal Erel;Sam Webb

  • Manganese mineralogy and diagenesis in the sedimentary rock record

    Jena E. Johnson;Samuel M. Webb;Chi Ma;Woodward W. Fischer

  • Diversity of Mn oxides produced by Mn(II)-oxidizing fungi

    Cara M. Santelli;Samuel M. Webb;Alice C. Dohnalkova;Colleen M. Hansel

  • XAS speciation of arsenic in a hyper-accumulating fern.

    Samuel M. Webb;Jean-François Gaillard;Lena Q. Ma;Cong Tu

  • Uranium redox transition pathways in acetate-amended sediments

    John R. Bargar;Kenneth H. Williams;Kate M. Campbell;Philip E. Long

  • Effects of Soluble Cadmium Salts Versus CdSe Quantum Dots on the Growth of Planktonic Pseudomonas aeruginosa

    John H. Priester;Peter K. Stoimenov;Randall E. Mielke;Samuel M. Webb

  • Trace Metals as Biomarkers for Eumelanin Pigment in the Fossil Record

    R. A. Wogelius;P. L. Manning;P. L. Manning;H. E. Barden;N. P. Edwards

Frequent Co-Authors

John R. Bargar
John R. Bargar SLAC National Accelerator Laboratory
Woodward W. Fischer
Woodward W. Fischer California Institute of Technology
Bradley M. Tebo
Bradley M. Tebo Oregon Health & Science University
Jean-François Gaillard
Jean-François Gaillard Northwestern University
Uwe Bergmann
Uwe Bergmann SLAC National Accelerator Laboratory
Joseph L. Kirschvink
Joseph L. Kirschvink California Institute of Technology
David A. Fike
David A. Fike Washington University in St. Louis
Shengke Tian
Shengke Tian Zhejiang University
Jess F. Adkins
Jess F. Adkins California Institute of Technology
Martial Taillefert
Martial Taillefert Georgia Institute of Technology

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