Dose-efficient multimodal microscopy of human tissue at a hard X-ray nanoprobe beamline

open access.

Bibliographische Detailangaben
Veröffentlicht in:Journal of synchrotron radiation. - 1994. - 29(2022), Pt 3 vom: 01. Mai, Seite 807-815
1. Verfasser: Sala, Simone (VerfasserIn)
Weitere Verfasser: Zhang, Yuhe, De La Rosa, Nathaly, Dreier, Till, Kahnt, Maik, Langer, Max, Dahlin, Lars B, Bech, Martin, Villanueva-Perez, Pablo, Kalbfleisch, Sebastian
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2022
Zugriff auf das übergeordnete Werk:Journal of synchrotron radiation
Schlagworte:Journal Article X-ray fluorescence emission spectroscopy X-ray microscopy in-line holography
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520 |a X-ray fluorescence microscopy performed at nanofocusing synchrotron beamlines produces quantitative elemental distribution maps at unprecedented resolution (down to a few tens of nanometres), at the expense of relatively long measuring times and high absorbed doses. In this work, a method was implemented in which fast low-dose in-line holography was used to produce quantitative electron density maps at the mesoscale prior to nanoscale X-ray fluorescence acquisition. These maps ensure more efficient fluorescence scans and the reduction of the total absorbed dose, often relevant for radiation-sensitive (e.g. biological) samples. This multimodal microscopy approach was demonstrated on human sural nerve tissue. The two imaging modes provide complementary information at a comparable resolution, ultimately limited by the focal spot size. The experimental setup presented allows the user to swap between them in a flexible and reproducible fashion, as well as to easily adapt the scanning parameters during an experiment to fine-tune resolution and field of view 
650 4 |a Journal Article 
650 4 |a X-ray fluorescence emission spectroscopy 
650 4 |a X-ray microscopy 
650 4 |a in-line holography 
700 1 |a Zhang, Yuhe  |e verfasserin  |4 aut 
700 1 |a De La Rosa, Nathaly  |e verfasserin  |4 aut 
700 1 |a Dreier, Till  |e verfasserin  |4 aut 
700 1 |a Kahnt, Maik  |e verfasserin  |4 aut 
700 1 |a Langer, Max  |e verfasserin  |4 aut 
700 1 |a Dahlin, Lars B  |e verfasserin  |4 aut 
700 1 |a Bech, Martin  |e verfasserin  |4 aut 
700 1 |a Villanueva-Perez, Pablo  |e verfasserin  |4 aut 
700 1 |a Kalbfleisch, Sebastian  |e verfasserin  |4 aut 
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