Figure 5

Retention time of benzodiazepines using P(NIPAAm-co-BMA) hydrogel-modified bead columns with (A) 7-nm pore-diameter beads, (B) 12-nm pore-diameter beads, and (C) 30-nm pore-diameter beads as base materials.

Retention time of benzodiazepines using P(NIPAAm-co-BMA) hydrogel-modified bead columns with (A) 7-nm pore-diameter beads, (B) 12-nm pore-diameter beads, and (C) 30-nm pore-diameter beads as base materials.