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Recovery of STX using Ferrospheres-N coupled to GT-13A after multiple uses.
| Bead Usage | Mean (±SD) STX Eluted (ng) | % Recovery normalized against recovery obtained after 1st usage |
|---|---|---|
| 1 | 64.5 (±3.2) | 100 |
| 10 | 64.0 (±7.6) | 99.2 |
| 20 | 63.8 (±4.2) | 98.9 |
| 30 | 62.9 (±5.3) | 97.5 |
| 35 | 59.3 (± 11.1) | 91.9 |
