Blowing bubbles for cancer treatment
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IMAGE: Embolization — the use of various techniques to cut off the blood vessels that feed tissue growth — has gained traction over the past decades to treat cancerous tumors, and… view more 

Credit: Dui Qin/Xi’an Jiaotong University

WASHINGTON, D.C., June 5, 2018 — Embolization — the use of various techniques to cut off the blood vessels that feed tissue growth — has gained traction over the past few decades to treat cancerous tumors.

This method of starving tumors of blood supply and nutrients is less invasive than surgery and typically involves injecting drugs (chemoembolization) or lodging nanoscopic beads directly into blood vessels.

Recently, scientists have explored another version of embolization, called gas embolotherapy. During this process, the blood supply is cut off using acoustic droplet vaporization (ADV), which uses microscopic gas bubbles induced by exposure to ultrasonic waves.

A team of researchers from China and France has discovered that these bubbles could also be used as potential drug delivery systems. The researchers reported their findings this week in Applied Physics Letters, from AIP Publishing.

“We have found that gas embolotherapy has great potential to not only starve tumors by shutting off blood flow, but also to be used

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