Which are the most echogenic of ultrasound contrast agents?()
A: Microbubbles
B: Solid
nanoparticles
C: liquid nanoparticles
D: nanobubbles
A: Microbubbles
B: Solid
nanoparticles
C: liquid nanoparticles
D: nanobubbles
举一反三
- Ultrasound<br/>molecular imaging is based on the specific acoustic properties of<br/>acoustically active ultrasound contrast agents, which can be<br/>sensitively imaged with regular ultrasound methods. ()
- Which of the following is not an active targeting system? A: Long circulating nanoparticles B: Targeted Prodrugs C: Immunoliposomes D: Colon-targeted prodrugs
- Quantum dots, another type of nanoparticles, are used mainly for_________.
- Which is the superordinate of the following group of words? A: matter B: liquid C: gas D: solid
- Which investment is likely to be the most liquid?