Figure 4From: Passive targeting of thermosensitive diblock copolymer micelles to the lungs: synthesis and characterization of poly(N-isopropylacrylamide)-block-poly(ε-caprolactone)Transmission electron microscopic micrograph of PNiPAAm8-b-PCL20 micelles (a) and storage stability of PNiPAAm8-b-PCL20 micelles determined by average size and zeta potential (b). Each value represents the mean ± SD (n = 4).Back to article page