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Advances in the Analysis of Biogeochemical Interfaces: NanoSIMS to Investigate Soil Microenvironments Public Deposited

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https://ir.library.oregonstate.edu/concern/articles/vh53ww494

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  • Since a NanoSIMS high-resolution secondary ion mass spectrometry instrument was first used for cosmochemistry investigations over a decade ago, both interest in NanoSIMS and the number of instruments available have significantly increased. However, SIMS comes with a set of challenges that are of both technical and conceptual nature, particularly for complex samples such as soils. Here, we synthesize existing research and provide conceptual and technical guidance to those who wish to investigate soil processes at the sub-micron scale using secondary ion mass spectrometry, specifically with NanoSIMS. Our review offers advice resulting from our own operational experience but also intends to promote synergistic research on yet unresolved methodological issues. We identify and describe the basic setup of a NanoSIMS instrument and important issues that may arise as a soil sample specimen is prepared for NanoSIMS analysis. This is complemented by discussions of experimental design, data analysis and data representation. Next to experimental design, sample preparation is the most crucial prerequisite for successful NanoSIMS analyses. We discuss the requirements and limitations for sample preparation over the size range from individual soil particles to intact soil structures such as macroaggregates or intact soil cores. For robust interpretation of data obtained by NanoSIMS, parallel spatial, textural (scanning electron microscopy, atomic force microscopy) or compositional analyses (scanning transmission X-ray microscopy) are often necessary to provide necessary context. We suggest that NanoSIMS analysis is most valuable when applied in concert with other analytical procedures and can provide powerful inference about small scale processes that can be traced via isotopic labeling or elemental mapping.
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  • Mueller, C.M, Weber, P.K., Kilburn, M.R., Hoeschen, C., Kleber, M., & Pett-Ridge, J. (2013). Advances in the analysis of biogeochemical interfaces: NanoSIMS to investigate soil microenvironments. Advances in Agronomy 121: 1-46. doi:10.1016/B978-0-12-407685-3.00001-3
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  • 121
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  • The sampling campaign of the Alaskan samples was funded by the NSF Postdoctoral Fellowship in Polar Regions Research (#0852036) and the DFG “Initiation of International Cooperations” (MU 3021/2-1). The NanoSIMS instrument at TUM was funded by DFG (KO 1035/38-1). Work of P.K. Weber and J. Pett-Ridge was performed under the auspices of the U.S. Department of Energy by Lawrence Livermore National Laboratory under Contract DE-AC52-07NA27344, with funding provided by an LDRD “Microbes and Minerals: Imaging C Stabilization” at LLNL to JPR and PKW.
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  • description.provenance : Approved for entry into archive by Deanne Bruner(deanne.bruner@oregonstate.edu) on 2013-09-28T00:19:12Z (GMT) No. of bitstreams: 1 KleberMarkusCropSoilScienceAdvancesAnalysisBiogeochemical.pdf: 1855073 bytes, checksum: 933c0a6de205415fc2a90a6d8073177b (MD5)
  • description.provenance : Submitted by Deanne Bruner (deanne.bruner@oregonstate.edu) on 2013-09-28T00:18:24Z No. of bitstreams: 1 KleberMarkusCropSoilScienceAdvancesAnalysisBiogeochemical.pdf: 1855073 bytes, checksum: 933c0a6de205415fc2a90a6d8073177b (MD5)
  • description.provenance : Made available in DSpace on 2013-09-28T00:19:12Z (GMT). No. of bitstreams: 1 KleberMarkusCropSoilScienceAdvancesAnalysisBiogeochemical.pdf: 1855073 bytes, checksum: 933c0a6de205415fc2a90a6d8073177b (MD5) Previous issue date: 2013

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