The scientist microinjected the cells with a fluorescent dye.

Microinjection is a common technique used in molecular biology.

Scientists use microinjections to deliver small amounts of substances into cells.

Scientists are microinjecting the cells with a fluorescent dye.

The scientist carefully microinjects the solution into the cell.

Scientists use a micropipette to microinject the solution into the cells.

This microinjectable solution can be easily administered into the bloodstream.