Microbubbles and Ultrasound open the Blood-brain Barrier to Administer Drugs II (image) FECYT - Spanish Foundation for Science and Technology Share Print E-Mail Caption The fluorescent substance adhered to the microbubbles is released when they rupture due to the effect of the ultrasound, revealing the area of the mouse's brain where the blood-brain barrier is opened. 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.