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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1107/S1600577522011833
|2 doi
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|a pubmed24n1533.xml
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|a (DE-627)NLM353975753
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|a (NLM)36891850
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|a DE-627
|b ger
|c DE-627
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|a eng
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|a Ang, Artoni Kevin R
|e verfasserin
|4 aut
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|a Development of serial X-ray fluorescence holography for radiation-sensitive protein crystals
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|c 2023
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 10.03.2023
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|a Date Revised 14.09.2024
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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 X-ray fluorescence holography (XFH) is a powerful atomic resolution technique capable of directly imaging the local atomic structure around atoms of a target element within a material. Although it is theoretically possible to use XFH to study the local structures of metal clusters in large protein crystals, the experiment has proven difficult to perform, especially on radiation-sensitive proteins. Here, the development of serial X-ray fluorescence holography to allow the direct recording of hologram patterns before the onset of radiation damage is reported. By combining a 2D hybrid detector and the serial data collection used in serial protein crystallography, the X-ray fluorescence hologram can be directly recorded in a fraction of the measurement time needed for conventional XFH measurements. This approach was demonstrated by obtaining the Mn Kα hologram pattern from the protein crystal Photosystem II without any X-ray-induced reduction of the Mn clusters. Furthermore, a method to interpret the fluorescence patterns as real-space projections of the atoms surrounding the Mn emitters has been developed, where the surrounding atoms produce large dark dips along the emitter-scatterer bond directions. This new technique paves the way for future experiments on protein crystals that aim to clarify the local atomic structures of their functional metal clusters, and for other related XFH experiments such as valence-selective XFH or time-resolved XFH
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|a Journal Article
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|a X-ray fluorescence holography
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|a atomic structures
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|a protein structures
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|a Proteins
|2 NLM
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1 |
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|a Umena, Yasufumi
|e verfasserin
|4 aut
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1 |
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|a Sato-Tomita, Ayana
|e verfasserin
|4 aut
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1 |
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|a Shibayama, Naoya
|e verfasserin
|4 aut
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1 |
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|a Happo, Naohisa
|e verfasserin
|4 aut
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|a Marumi, Riho
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yamamoto, Yuta
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kimura, Koji
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kawamura, Naomi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Takano, Yu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Matsushita, Tomohiro
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sasaki, Yuji C
|e verfasserin
|4 aut
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1 |
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|a Shen, Jian Ren
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hayashi, Kouichi
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of synchrotron radiation
|d 1994
|g 30(2023), Pt 2 vom: 01. März, Seite 368-378
|w (DE-627)NLM09824129X
|x 1600-5775
|7 nnns
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| 773 |
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|g volume:30
|g year:2023
|g number:Pt 2
|g day:01
|g month:03
|g pages:368-378
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|u http://dx.doi.org/10.1107/S1600577522011833
|3 Volltext
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