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Biogeosciences An interactive open-access journal of the European Geosciences Union
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Volume 12, issue 3
Biogeosciences, 12, 863–873, 2015
https://doi.org/10.5194/bg-12-863-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
Biogeosciences, 12, 863–873, 2015
https://doi.org/10.5194/bg-12-863-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 12 Feb 2015

Research article | 12 Feb 2015

New highlights of phytolith structure and occluded carbon location: 3-D X-ray microscopy and NanoSIMS results

A. Alexandre et al.
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AR by Anne Alexandre on behalf of the Authors (19 Dec 2014)  Author's response    Manuscript
ED: Publish subject to technical corrections (12 Jan 2015) by Jack Middelburg
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Short summary
Phytoliths contain occluded organic compounds called phytC. The nature and location of phytC in biogenic silica structures is poorly understood. Here, we reconstructed the 3-D structure of phytoliths using 3-D Xray microscopy. We further evidenced a pool of phytC, continuously distributed in the silica structure, using nanoscale secondary ion mass spectrometry (NanoSIMS). Our findings allowed the re-evaluation of previous suggestions regarding phytC quantification and environmental meaning.
Phytoliths contain occluded organic compounds called phytC. The nature and location of phytC in...
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