Fig. 4From: Dual-sensitive and highly biocompatible O-carboxymethyl chitosan nanodroplets for prostate tumor ultrasonic imaging and treatmentUltrasound enhancement imaging ability of O-CS-DOX NDs in vivo. a In vivo ultrasound and CDFI imaging ability of O-CS-DOX NDs; b In vivo ultrasound enhancement imaging ability of O-CS-DOX NDs 9 s group, O-CS-DOX NDs 10-60 s group and PBS groupBack to article page