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. 2012 Sep;19(9):1399–1410. doi: 10.1128/CVI.00391-12

Table 2.

Outcome for quality controls over time, using human blood donor sera diluted 1/100 and rabbit anti-pan-peptide serum 21

Control Mean MFI ± SDa (n)
TrxA-containing bead 42 ± 34 (104)
E. coli-containing bead 35 ± 44 (106)
NTC for sera diluted 1/100 34 ± 10 (211)b
HIB (avg) 2101 ± 420 (240)
Naked bead 27 ± 5 (130)
a

Without background subtraction.

b

Antigenicity index, 110 ± 11 (n = 22).