Images
This is the typical “coronavirus” illustration
A diagram of a man-made iron-oxide microsphere
used in a “novel” drug delivery system …
This is how they “target” cancer cells with drug-filled microspheres
Notice the shape of the magnetic microspheres!
Some of the “basic” types …
How they are used …
Another illustration …
This is a “novel drug delivery system” ..
an iron-oxide encapsulated microsphere
This is a more common illustration
of an iron-oxide microsphere !