Fig. 4From: AMP-Conjugated Quantum Dots: Low Immunotoxicity Both In Vitro and In VivoRelative cell viability analysis of J774A.1 cells after incubation of indicated QDs for 24 (a) and 48 h (b). Error bars represent s.d. (n = 6). *P < 0.05, **P < 0.01 (two-tailed Student’s t test)Back to article page