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Evaluation of the minimal sample volume required to completely fill the model µPAD with multiple detection zones; the scale bars correspond to a length of 1 mm (images converted to grayscale and contrast adjusted for improved visibility).
| Sample Volume (µL) | 0.3 | 0.4 | 0.5 | 0.6 |
|---|---|---|---|---|
| Success rate (n = 5) | 0/5 | 1/5 | 5/5 | 5/5 |
| Actual pictures |  |
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