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Stock solutions (500 μg/mL) of TBI-166 and 10 kinds of impurities, Imp-1–Imp-10, were prepared separately by dissolving appropriate amount in the sample solvent and were further diluted to study linearity, accuracy, precision, the limit of detection (LOD
-indexes about a linear relation are matched by similar deviations of the a -indexes about a linear relation, so the accuracy of the a -values is the same as that of the h -values. Fig. 5 The relation ( a = 1
. Gilbert RE , Thalib L , Tan HK , Paul M , Wallon M , et al. : Screening for congenital toxoplasmosis: accuracy of immunoglobulin M and immunoglobulin A tests after birth . J Med Screen 14 , 8 – 13 ( 2007
Radovanovic, Z., Breberina, M., Petrovic, T., et al.: Accuracy of endorectal ultrasonography in staging locally advanced rectal cancer after preoperative chemoradiation. Surg. Endosc., 2008, 22 , 2412–2415. Petrovic
peak area of each peak was measured, a standard curve with the peak area against the concentration was drawn, and linearity of the standard curve was evaluated. The precision and accuracy of the lower limit of quantitation should be less than 20% and
/S). Similarly, LOQ was defined on the basis of the SD of the response and S of calibration curves at levels approximating the LOQ according to the following formula: LOQ = 10(SD/S) [ 18 ]. Precision and Accuracy The intra- and
/mL. All solutions were stored at 4 °C and brought to room temperature before use. Calibration standards and quality control (QC) samples used to estimate precision and accuracy of the method were prepared from two separate sets of solutions in
centrifugation at 14,900 g for 10 min, the supernatant (2 μL) was injected into the UPLC–MS/MS system for analysis. Method Validation Rigorous tests for selectivity, linearity, accuracy, precision, recovery, and stability
lowest concentration of irsogladine at a signal-to-noise ratio of 5:1 ( n = 5). Accuracy and Precision The inter- and intra-day accuracy and their precision were presented as the percentage of the theoretical
determination of selectivity, linearity, precision, accuracy, matrix effects, recovery, process efficiency, and stability, was performed in rat plasma according to Food and Drug Administration (FDA) guidance [ 16 ]. Selectivity
