Click on image to view larger version.

Figure 4 Plot showing luciferase activity (y-axis) in skeletal muscle, liver, anterior myocardium, and posterior myocardium during ultrasound-targeted microbubble destruction using ultraharmonic mode (black bars) and harmonic power Doppler (white bars). Images were ECG triggered using a transmission frequency of 1.3 MHz and mechanical index of 1.6. Error bars show one standard deviation. LV = left ventricle.