Fig. 8From: Amphiphilic branched polymer-nitroxides conjugate as a nanoscale agent for potential magnetic resonance imaging of multiple objects in vivo a Cell viability of 4T1 cells and HUVEC cells after incubation with Branched pDHPMA-mPEG-Ppa-PROXYL for 24 h. b The effects of PBS, 1 mg/mL, 2 mg/mL, and 5 mg/mL Branched pDHPMA-mPEG-Ppa-PROXYL on erythrocyte aggregation and morphology. c Red blood cell hemolysis of Branched pDHPMA-mPEG-Ppa-PROXYL. d Hemolysis rates of Branched pDHPMA-mPEG-Ppa-PROXYL at different concentrations. e Histological images of mice on day 1 after injection of saline (Group 1), 3-CP (Group 2) and Branched pDHPMA-mPEG-Ppa-PROXYL (Group 3). Scale bar: 10 μmBack to article page