Nonlinear response of ultrasound contrast agent microbubbles: From fundamentals to applications
Teng Xu-Dong, Guo Xia-Sheng†, 
, Tu Juan, Zhang Dong‡,
, Tu Juan, Zhang Dong‡, Variations of IC threshold with pulse length measured for lipid-coated SonoVue and albumin-coated KangRun microbubbles at different volume concentrations. Reproduced from Ref. [
