Figure 1 .

Validation of the tobramycin immunoassay on tear samples: Recovery of tear tobramycin from Schirmer test strips was assessed at four concentrations within the linear range of the immunoassay (0.5 – 10 mg/L) and compared to direct assay of dilute tobramycin solutions. The average recovery was 96.5%. Assays were performed in duplicated and least squares linear regression was used to derive the lines of best fit.

Czerwinski et al. BMC Veterinary Research 2012 8:141   doi:10.1186/1746-6148-8-141
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