| 摘要 |
Present invention relates to an ultrasonically-triggered drug vehicle with magnetic resonance imaging function. In the delivery system of the invention, tracks the of drug vehicle carrying a certain drug (or drugs) is detectable by magnetic resonance imaging, and the release of drug is triggered by ultrasonication when the drug vehicle arrives at target site and accumulates to a desirable concentration. The MRI-guided drug delivery system provides improved accuracy of drug releasing, including position and timing.
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