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You could explain microbubbles with "they blow bubbles, add some drugs, then burst the bubbles for the drug to come out". However, here are some words to give you a bit more authority.

Micrometre

A unit of length equal to 0.001 millimetres, or 1 millionth of a metre

How to use it: A human hair is approximately 100 microns wide.

 

Surfactant

A substance that reduces the surface tension of a liquid

How to use it: example sentence example sentence example sentence example sentence here

 

Cavitation

Formation of bubbles in a liquid

How to use it: Microfluidics experts have figured out how microbubbles can travel through the blood stream.

 

Ultrasound imaging

When a high frequency sound wave is sent toward a tissue, the wave reflects off it, and the returning wave helps build up an image

How to use it: Because the gas in the bubbles has a different composition to the rest of the body, ultrasound imaging can show the bubbles as they travel through the body.

 

Sonoporation

Sound induced rupture of the cell walls to allow drugs in

How to use it: The sonoporation by ultrasound waves can weaken cell walls just enough to allow a drug to get in.

 

Echogenicity

How an object reacts to sound waves

How to use it: Physicists and engineers need to understand the microbubble’s echogenicity to know how to make it burst.

 

Lipid

A biological compound that is not soluble in water

How to use it: Lipids in the shell of the microbubble protect the bubble's contents when it travels through water.

 

Ligand

A molecule that binds to a receptor

How to use it: Ligands link antibodies to the microbubble.

 

 


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