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Diamond update and kappa activities. village structure 19 operational beamlines 5 operational MX beamlines one MX beamline (I23) under construction mini kappa devices bought for I04 and I04-1 I23 will have kappa goniometer. I02, I03, I04 MX end-station upgrade programme.

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slide1

Diamond update and kappa activities

  • village structure
  • 19 operational beamlines
  • 5 operational MX beamlines
  • one MX beamline (I23) under construction
  • mini kappa devices bought for I04 and I04-1
  • I23 will have kappa goniometer
slide2

I02, I03, I04 MX end-station upgrade programme

  • high precision rotation axis
  • improved sample viewing and faster zoom
  • exchangeable mini-beam apertures
  • improved scatterguard
  • improved sample centring
  • improved beam diagnostics
  • easy beam visualisation
  • crystal annealing
  • camera system for rapid auto loop centring
  • finer attenuation control
  • new backstop design

easier change between experiments at

cryo or room temperature or a humidity

controlled setup

slide3

I02, I03, I04 MX end-station upgrade programme

New experimental options

  • crystal humidity control
  • online spectroscopy
  • in-situ diffraction
  • tomography
  • easier remote operation
  • mini kappa
  • microfocus option with CRLs
  • mirror refurbishment programme underway (I02, I03, I04)
  • P6M on I03, I24
  • P2M on I04-1
  • new end-stations operational with user programme on I03 and I04
  • I02 currently being upgraded
slide4

I04-1 mini kappa use

  • in optimisation phase with friendly users
  • few user visits
  • STAC available as tab in GDA
  • device check at manufacturer
  • preparation for routine operation
    • integration with sample changer
    • software development and pipelines
slide5

Data collection strategy, completeness

45 deg sweep

60 deg sweep

  • aligned thaumatin crystal
  • c* along spindle, a* along beam
  • different oscillation ranges

90 deg sweep

slide6

Optimised data collection, effect of high kappa angle

  • Elena Kovaleva, Briony Yorke (Leeds)
  • enzyme P21212, 110.06 163.90 100.96
  • two crystal forms, same problem
  • data completeness depending on overlaps
  • crystal orientation important

kappa = 30 deg

kappa = 90 deg

kappa = 120 deg