X-ray Micro-Computerized Tomography

  Micro CT Scanner Configuration:
  •    Skyscan 1272, Bruker Instruments
  •    Microfocus sealed X-ray source 20-100kV, 10W, <5um spot size @ 4W.
  •    X-ray detector 16Mp (4904x3280 pixels) or 11Mp (4032x2688 pixels), 14bit cooled CCD fiber-optically coupled to scintillator
  •     Pixel size on the object at maximum magnification [nominal resolution] is 0.35um (16Mp) or 0.45um (11Mp)
  •     Reconstruction arrays – up to 14450x14450x2630pixels (16Mp) or 11840x11840x2150pixels (11Mp) after a single scan
  •     Maximum scanning object diameter -                                                                                                                                                                                                                             1.    75mm (three camera offset positions)                                                                                                                                                                             2.    52mm(two camera offset positions)                                                                                                                                                                                 3.    26mm (central camera position) Fastest Scan
  •    6-position integrated filter changer, standard filters: no filter, Al 0.25mm, Al 0.5mm, Al 1mm, Al 0.5mm + Cu 0.038mm, Cu 0.11mm
  •    Integrated micro-positioning stage, 5-7mm travel (dependent on orientation)
  •    Radiation safety: <1microSv/h in 15cm from any point of instrument surface
 Optional sample changer:
  •     Automatic sample changer with 16 sample positions
  •    Maximum sample size: 25mm diameter, 50 mm length
  •    Sample mounts with four sizes, 16pcs of each size
  •    Scanned samples can be removed / replaced without interrupting scanning process
  •    Typical sample replacement time is 65 sec.
 Control computer:
  •     DELL T7600 Workstation, Windows 7/64bit:     
  •     Two Intel XEON E5-2687W eight-core 2.3GHz processors
  •     128GB 1600MHz RAM
  •     12TB (4x3TB on RAID0) HDD
  •     2GB NVIDIA graphical card + 6GB NVIDIA Tesla C2075 GPU processor
Bruker Image Processing Software:
  •     Skyscan -Scanner and sample changer control, image acquisition
  •     NRecon -Tomography, 3D reconstruction and automatic stitching of oversize scans
  •     CTVox - Volume rendering, pseudo colouration, animation and movie compilation
  •     CTVol -3D surface model editing, 3D structure assembly, animation  and movie compilation
  •     CTAn -Semi-automatic segmentation, 2D/3D  tissue morphometry and surface model generation
  •      Dataviewer - 3D orientation editing, 2D/3D image registration and pseudo colouration
Applications: 
  •    Non-invasive visualization, segmentation and morphometry of insect internal anatomy
  •    Bone density quantification
  •    Surface area, volume, structure thickness, mineral density and pore network analysis in 2D/3D