MAGNETIC MICROBUBBLES, METHODS OF PREPARING THEM AND THEIR USES
摘要
The invention provides a method of preparing a suspension of microbubbles for use in a carrier liquid, wherein the microbubbles have a gas core and a liquid shell, said liquid shell comprising magnetic nanoparticles, and wherein the microbubbles satisfy the following conditions: (i) the force due to buoyancy (F BW ) of the microbubble in the carrier liquid is greater than the weight (W) of the microbubble; (ii) the magnetic force (F M ) on the microbubble due to a magnetic field applied to the carrier liquid is greater than the combined weight (W) and force due to buoyancy (F BW ) of the microbubble; (iii) said magnetic force (F M ) on the microbubble is greater than the force due to viscous drag (F D ) on the microbubble due to flow of the carrier liquid; and (iv) the scattering cross section (s scat ) of the microbubble to ultrasound allows the microbubble to be detectable and rupturable on exposure to ultrasound.
申请公布号
WO2009156743(A3)
申请公布日期
2010.07.15
申请号
WO2009GB01614
申请日期
2009.06.26
申请人
UCL BUSINESS PLC;PANKHURST, QUENTIN, ANDREW;STRIDE, ELEANOR, PHOEBE, JANE;PORTER, COLIN, DAVID;PRIETO GARCIA, ANA
发明人
PANKHURST, QUENTIN, ANDREW;STRIDE, ELEANOR, PHOEBE, JANE;PORTER, COLIN, DAVID;PRIETO GARCIA, ANA