Medium shot of middle-aged female chemist working in biochemical laboratory - stirring green liquid in flask, picking it up with pipette, carefully dropping into Petri dish and observing reaction
Dropping of blue liquid in test tube with glass dropper
scientist is experimenting in chemical laboratory with dangerous reagents, dropping liquid by pipet in plate
Slowmo close-up of unrecognizable scientist dropping liquid substance on petri dish with seedling sample using pipette
Scientist conducting research on medicine to fight coronavirus.
Chemist pouring liquids in test tubes on table with pipette. Researcher dropping chemical liquid in test tubes. Close up of scientist hands working with chemical reagents at research laboratory
Black research scientist dropping chemical liquid on plant leaf and then giving it to the hamster. She is surprised with the course of the experiment in chemistry lab.
