DataVXACS NanoPaper
journal article·2009-02-24

Atomic-Scale Structure of Biogenic Materials by Total X-ray Diffraction: A Study of Bacterial and Fungal MnOx

V. Petkov, Y. Ren, I. Saratovsky, P. Pastén, S. J. Gurr, M. A. Hayward, K. R. Poeppelmeier, J.-F. Gaillard

ACS Nano· Volume 3· Issue 2
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Source abstract

Abstract

Biogenic materials are produced by microorganisms and are typically found in a nanophase state. As such, they are difficult to characterize structurally. In this report, we demonstrate how high-energy X-ray diffraction and atomic pair distribution function analysis can be used to determine the atomic-scale structures of MnO(x) produced by bacteria and fungi. These structures are well-defined, periodic, and species-specific, built of Mn-O(6) octahedra forming birnessite-type layers and todorokite-type tunnels, respectively. The inherent structural diversity of biogenic material may offer opportunities for practical applications.
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Research context

Nanomaterials

OpenAlex topics: Radioactive element chemistry and processing · Geochemistry and Elemental Analysis · Bone Tissue Engineering Materials

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Department of Physics, 203 Dow Science, Central Michigan University, Mt. Pleasant, Michigan 48859

Advanced Photon Source, Argonne National Laboratory, Argonne, Illinois 60439

Inorganic Chemistry Laboratory, University of Oxford, Oxford, U.K. OX1 3QR

Pontificia Universidad Católica de Chile, Santiago, Código Postal 690441, Chile

Department of Plant Sciences, Oxford University, Oxford, U.K. OX1 3RB

Department of Chemistry, Northwestern University, Evanston, Illinois 60202

Department of Civil and Environmental Engineering, Northwestern University, Evanston, Illinois 60208

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