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231224s2011 xx |||||o 00| ||eng c |
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|a 10.1107/S0909049511011848
|2 doi
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|a eng
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|a Pauluhn, Anuschka
|e verfasserin
|4 aut
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|a Automatic loop centring with a high-precision goniometer head at the SLS macromolecular crystallography beamlines
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|c 2011
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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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|a Date Completed 13.10.2011
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|a Date Revised 05.11.2023
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Automatic loop centring has been developed as part of the automation process in crystallographic data collection at the Swiss Light Source. The procedure described here consists of an optional set-up part, in which the background images are taken, and the actual centring part. The algorithm uses boundary and centre-of-mass detection at two different microscope image magnifications. Micromounts can be handled as well. Centring of the loops can be achieved in 15-26s, depending on their initial position, and as fast as manual centring. The alignment of the sample is carried out by means of a new flexural-hinge-based compact goniometer head. The device features an electromagnet for robotic wet mounting of samples. The circle of confusion was measured to be smaller than 1 µm (r.m.s.); its bidirectional backlash is below 2 µm
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|a Journal Article
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|a Pradervand, Claude
|e verfasserin
|4 aut
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|a Rossetti, Daniel
|e verfasserin
|4 aut
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|a Salathe, Marco
|e verfasserin
|4 aut
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|a Schulze-Briese, Clemens
|e verfasserin
|4 aut
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|i Enthalten in
|t Journal of synchrotron radiation
|d 1994
|g 18(2011), Pt 4 vom: 22. Juli, Seite 595-600
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|g year:2011
|g number:Pt 4
|g day:22
|g month:07
|g pages:595-600
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