Ultrasound parameters ultrasound 2 1,2 distearoyl sn glycero 3 phosphoethanolamine (polyethylene glycol) 2000 1 Analytical expressions 1 Animals 1 Approximate analytical 1 Article 1 Calibration 1 Carcinoma, Hepatocellular 1 Closed-form time-domain Green's functions 1 Controlled drug delivery 1 Disease Models, Animal 1 Distribution functions 1 Drug Delivery Systems 1 Drug delivery 1 Drug delivery system 1 Female 1 Fluorescence 1 Forestry 1 Fractional partial differential equations 1 Fractional wave equation 1 Functional polymers 1 Hep G2 Cells 1 Hep-G2 cell line 1 Hepatocellular carcinoma 1 Humans 1 Liver Neoplasms 1 Mice 1 Microbubbles 1 Nanoparticles 1