Amount of sample taken (ng/band) Amount of standard drug added (ng/band) Standard addition (ng/band) Amount of drug recovered (ng/band) % recovery ±% RSD (n=3) PRG MC PRG MC MC PRG MC PRG MC 1500 15 0 0 150 1498.01 162.80 99.86 ± 1.56 98.66 ± 0.91 1500 15 750 7.5 150 2268.40 171.71 99.92 ± 0.98 99.54 ± 1.17 1500 15 1500 15 150 3007.44 176.10 100.24 ± 1.29 97.83 ± 0.97 1500 15 2250 22.5 150 3749.10 184.46 99.97 ± 1.37 98.38 ± 0.67

Table 2: Results from accuracy study.