Fig. 3From: A Comparative Evaluation of Hydroxycamptothecin Drug Nanorods With and Without Methotrexate Prodrug Functionalization for Drug Delivery a SEM (scale bars 1 μm) (inset of a) tyndall effect. b TEM (scale bars 200 nm) (inset of b) LCSM image. c Hydrodynamic particle size distribution. d Zeta potential distribution of the MTX-PEG-CPT NRs. e, f In vitro physiological stability of the MTX-PEG-CPT NRs in PBS. e Hydrodynamic particle size change. f Fluorescence intensity change. g, h In vitro drug release of the MTX-PEG-CPT NRs. g CPT drug release. h MTX drug release. Data are presented as mean ± s. d. (n = 3)Back to article page