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231225s2022 xx |||||o 00| ||eng c |
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|a 10.1107/S1600577521013266
|2 doi
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|a pubmed24n1511.xml
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|a eng
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| 100 |
1 |
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|a Yang, Lin
|e verfasserin
|4 aut
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| 245 |
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|a Scanning structural mapping at the Life Science X-ray Scattering Beamline
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|c 2022
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|a Text
|b txt
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 09.03.2022
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|a Date Revised 24.08.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a open access.
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|a This work describes the instrumentation and software for microbeam scattering and structural mapping at the Life Science X-ray Scattering (LiX) beamline at NSLS-II. Using a two-stage focusing scheme, an adjustable beam size between a few micrometres and a fraction of a millimetre is produced at the sample position. Scattering data at small and wide angles are collected simultaneously on multiple Pilatus detectors. A recent addition of an in-vacuum Pilatus 900k detector, with the detector modules arranged in a C-shaped configuration, has improved the azimuthal angle coverage in the wide-angle data. As an option, fluorescence data can be collected simultaneously. Fly scans have been implemented to minimize the time interval between scattering patterns and to avoid unnecessary radiation damage to the sample. For weakly scattering samples, an in-vacuum sample environment has been developed here to minimize background scattering. Data processing for these measurements is highly sample-specific. To establish a generalized data process workflow, first the data are reduced to reciprocal coordinates at the time of data collection. The users can then quantify features of their choosing from these intermediate data and construct structural maps. As examples, results from in-vacuum mapping of onion epidermal cell walls and 2D tomographic sectioning of an intact poplar stem are presented
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|a Journal Article
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|a SAXS/WAXS
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|a imaging
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|a structural mapping
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|a Liu, Jiliang
|e verfasserin
|4 aut
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|a Chodankar, Shirish
|e verfasserin
|4 aut
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| 700 |
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|a Antonelli, Stephen
|e verfasserin
|4 aut
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| 700 |
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|a DiFabio, Jonathan
|e verfasserin
|4 aut
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|i Enthalten in
|t Journal of synchrotron radiation
|d 1994
|g 29(2022), Pt 2 vom: 01. März, Seite 540-548
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|x 1600-5775
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|g volume:29
|g year:2022
|g number:Pt 2
|g day:01
|g month:03
|g pages:540-548
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|u http://dx.doi.org/10.1107/S1600577521013266
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