Microbubbles and Ultrasound Ppen the Blood-brain Barrier to Administer Drugs I (image) FECYT - Spanish Foundation for Science and Technology Share Print E-Mail Caption Microbubbles with the fluorescent substance in their lipid coating, from which the effect of the ultrasound causes them to be released into the desired area of the brain. Credit UEIL, C. Sierra et al. Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.