Detection of Falsified Antimalarial Sulfadoxine-Pyrimethamine and Dihydroartemisinin-Piperaquine Drugs Using a Low-Cost Handheld Near-Infrared Spectrometer

<div>PCA applied separately on SP and DP preprocessed data. (a) SP PC1-PC2 score plot. (b) DP PC1-PC2 score plot.</div>

Journal of Analytical Methods in Chemistry

fig3

Figure 3

Figure 3: Detection of Falsified Antimalarial Sulfadoxine-Pyrimethamine and Dihydroartemisinin-Piperaquine Drugs Using a Low-Cost Handheld Near-Infrared Spectrometer 

Figure 3 | Detection of Falsified Antimalarial Sulfadoxine-Pyrimethamine and Dihydroartemisinin-Piperaquine Drugs Using a Low-Cost Handheld Near-Infrared Spectrometer 