The cost of a CT scanner is fixed, but a doctor earns fees each time it is used.
The survey network points inside the piers were fixed by scanner benchmarks.
The eyes were fixed under the scanner in a suction ring.
Four target objects (battery, eraser, left lighter, right lighter) were fixed on a vertical Plexiglas pane, on the right side of the scanner bed.
Femurs were fixed in 4% PFA, and sent for micro computed tomography using a Skyscan 1172 scanner (Skyscan, Kontich, Belgium) and sectioning.
Gels were fixed overnight in 40% methanol, 7% acetic acid, stained with Sypro Ruby (Invitrogen, Burlington, Ontario, Canada) and scanned with the ProXpress CCD scanner (PerkinElmer, Waltham, MA, USA).
After 28 days, colonies were fixed with ethanol and stained with 2% crystal violet, washed with water to remove the excess dye, and imaged by a scanner.
Colonies were fixed and stained with 0.05% crystal violet (Sigma-Aldrich), washed to remove excess dye, and then imaged by a scanner (Scanjet 4500c, Hewlett-Packard, Palo Alto, CA, USA).
The order of finger presentation and order of scanner selection are fixed and not randomized.
The distance between the skin and the lowest part of the scanner head during image capturing was fixed to 17 cm with the system resolution set on medium.
