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 3

FT-IR spectra of molecularly imprinted nanomicrospheres (a), molecularly nonimprinted microspheres (b), and gamma-(methacryloyloxy) propyl trimethoxy silane-silicon dioxide (SiO2) (c).