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SUMMARY:Sample delivery at MicroMAX
DTSTART;VALUE=DATE-TIME:20250923T115000Z
DTEND;VALUE=DATE-TIME:20250923T121000Z
DTSTAMP;VALUE=DATE-TIME:20260525T163014Z
UID:indico-contribution-1852@lindico453.srv.lu.se
DESCRIPTION:Speakers: Dean Lang (MAX IV Laboratory)\nThe rise of 4th gener
 ation sources\, including the MAX IV Laboratory 3 GeV ring\, has enabled n
 ew possibilities to study dynamics using crystallography. The MicroMAX bea
 mline is a new beamline focussed on providing optimal X-ray characteristic
 s for serial (SSX) and time-resolved (TR-SSX) crystallography at MAX IV [1
 ]. The beamline emphasizes a flexible sample environment for standard and 
 bespoke experimental setups while also supporting high-throughput single c
 rystal data collections at the BioMAX beamline which has operated since 20
 17 [2]. \nThe MicroMAX user program opened in May 2024 and has performed e
 xperiments with SPINE-based fixed targets\, high-viscosity extrusion and m
 icrofluidics and single-crystal oscillation data collections. Sample handl
 ing and positioning is supported by the MD3-up micro diffractometer\, Oxfo
 rd cryojet\, and ISARA automated sample mounting platform (including cryst
 allization plates). Time resolved techniques are enabled by a nanosecond p
 ump laser (210-2600 nm)\, Celerotron X-ray chopper (0\,8-70% duty cycle) a
 nd one of either an Eiger2 X 9M CdTe photon counting hybrid pixel detector
  or Jungfrau 9M Si integrating hybrid pixel detector (on-loan from PSI). \
 nOptical elements allow for a beamline flux from 10^13 photons/s (0.1% ban
 dwidth double crystal monochromator) to more than 10^14 photons/s (1% band
 width multilayer monochromator) with an optimal 1x1 μm beam focus using b
 eryllium lenses/K-B mirrors. Beamline controls are from within MXCuBE\, wi
 th additional live feedback and CrystFEL autoprocessing pipelines to provi
 de immediate feedback and rapid map generation. Sample pre-characterizatio
 n is supported by an offline laser and spectroscopy lab in the secondary e
 xperimental hutch and dedicated sample environment and preparation labs.\n
 Here we present the current status of MicroMAX beamline and recent develop
 ments in sample preparation and data handling under a variety of experimen
 tal contexts. This work emphasizes the technical developments for a highly
  flexible TR-SSX end station in context of SSX/TR-SSX experiments already 
 being conducted by the MicroMAX user community.\n\nMicroMAX is funded by t
 he Novo Nordisk Foundation under the grant number NNF17CC0030666.\n\n[1] G
 onzalez\, A.\, Krojer\, T.\, Nan\, J.\, Bjelcic\, M.\, Aggarwal\, S.\, Gor
 gisyan\, I.\, Milas\, M.\, Eguiraun\, M.\, Casadei\, C.\, Chenchiliyan\, M
 .\, Jurgilaitis\, A.\, Kroon\, D.\, Ahn\, B.\, Ekstrom\, J. C.\, Aurelius\
 , O.\, Lang\, D.\, Ursby\, T. & Thunnissen\, M. M. G. M. (2025). J. Synchr
 otron Rad. 32.\n[2] Shilova\, A.\, Lebrette\, H.\, Aurelius\, O.\, Nan\, J
 .\, Welin\, M.\, Kovacic\, R.\, Ghosh\, S.\, Safari\, C.\, Friel\, R. J.\,
  Milas\, M.\, Matej\, Z.\, Högbom\, M.\, Brändén\, G.\, Kloos\, M.\, Sh
 oeman\, R. L.\, Doak\, B.\, Ursby\, T.\, Håkansson\, M.\, Logan\, D. T. &
  Mueller U. (2020). J. Synchrotron Rad.\, 27\, 1095.\n\nhttps://lindico453
 .srv.lu.se/event/583/contributions/1852/
LOCATION:LINXS at The Loop
URL:https://lindico453.srv.lu.se/event/583/contributions/1852/
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