Sentences with phrase «polystyrene microspheres»

Setälä and her colleagues used 10 - micrometre (µm) fluorescent polystyrene microspheres, which were roughly the same size as some of the food particles that tiny zooplankton, such as copepods and polychaete larvae, eat.

For their atoms, the team used polystyrene microspheres — either 540 or 850 nanometres across, more than 2000 times bigger than real atoms — coated in a substance that binds to DNA.