Research Article

Molecularly Imprinted Nanomicrospheres as Matrix Solid-Phase Dispersant Combined with Gas Chromatography for Determination of Four Phosphorothioate Pesticides in Carrot and Yacon

Figure 5

Adsorption isotherms curves of four pesticides on molecularly imprinted nanomicrospheres (MIPs) and molecularly nonimprinted microspheres (NIPs) (A, B, C, D, E, F, G, and H—adsorption curves of tolclofos-methyl (A), phoxim (B), chlorpyrifos (C), parathion-methyl (D) on MIPs (A, B, C, and D) and phoxim (G), parathion-methyl (F), chlorpyrifos (E), and tolclofos-methyl (H) on NIPs (E, F, G, and H)).