Table 1.

Summary of ACAPELLA-1K Processing Results

Subsystem/assay No. of samples Failure rate
Total capillaries27,000all tests for year
Capillary dispenser (hopper)>8,0000.063%
DNA sample aspirator>8,0000%
Transport and offloader>8,0004% improved to 0.1%
Reagent dispensers>8,0000.1% improved to 0.056%
Mixer>8,0000% (>8000 capillaries)
Capillary cassettes during thermal cycling>8,0002.9% improved to 0% with addition of clip
PCR results>9,0000%–4%, 1.57% average
Sequencing reactions>2000%

[i] Results are from September 1998 to August 1999.