Férfi kutató holding lombikot kék folyadék a laborban - Stock fotó és kép

Senior scientist analysing flask and test-tube

Emotional scientist working in modern lab with a model

Mature lab technician holds two test tubes with different liquids

Investigator checking test tubes

Mature gentleman using a pipette

Scientist looking at flask in a chemical laboratory

Senior scientist working in lab

Mature male doctor looking confused

Man scientist holding an atom model

Close-up portrait of a male researcher holding a test tube

Senior scientist working in lab

Happy mature lab man pouring fluids in pipettes

Mature scientist contemplating dna model

Scientist holding small erlenmeyer flask up to the light

Male researcher holding flask with blue liquid in the lab

Photo of a lab assistant holding a flask and pipette

Scientist examining jar with liquid sample

Young man conducting a scientific experiment

Male scientist examining glass flask of blue liquid

Man checking a liquid through a magnifying glass

He is working on dna structure

Scientist looking at test tube and writing on the clipboard