TABLE 2.
Environmental stability testing of the anthrax lateral flow assay, using samples with ranges of concentrations of PA-specific IgG
| Environmental treatment | Valuea for indicated range of concn (μg/ml) of PA-specific IgG
|
|||||
|---|---|---|---|---|---|---|
| 0 | 4-10 | 11-15 | 20-50 | 150-180 | >250 | |
| Thermal shock | 0/20 | 3/12 | 7/8 | 20/20 | 20/20 | 20/20 |
| High temp/high humidity | 0/20 | 3/12 | 3/8 | 18/20 | 20/20 | 20/20 |
| High temp/low humidity | 0/20 | 2/12 | 3/8 | 20/20 | 20/20 | 20/20 |
| Low temp/low humidity | 0/20 | 7/12 | 8/8 | 20/20 | 20/20 | 20/20 |
| Laboratory conditions | 0/20 | 6/12 | 5/8 | 20/20 | 20/20 | 20/20 |
a
No. of positive reactions/no. of devices tested.