A novel solid-phase extraction approach based on π-conjugated polymer-functionalized mesoporous silica nanoparticles for isoquinoline alkaloid purification from Cinnamomum camphora seed kernels. - Yang Y; Yu P; Zeng Z; Gao X; Gao Y; Cheng D; Zeng C; Wen X; Gong D; Yan X (Journal of chromatography. A, 2026)