In modern research center two scientists are talking about a sample from a tube
Biologist scientist putting solution liquid in test tube
Medical research scientist conducts DNA test experiment using test tubes 4K
A scientist conducts clinical trials in a chemical laboratory
Chemist scientist african woman taking dna solution from test tube
Serious male scientist is doing has research using test tube with liquid
Scientist pouring liquid from test tube to petri dish
Laboratory research. A scientist in a protective suit mixes reagents by pouring reagents from a test tube into a test tube. Search for a vaccine and treatment for coronavirus infection
A young lab assistant analyzes and records data from test tubes
pair of scientists is working in crime lab, man is viewing evidence in microscope, woman is testing liquids in test tubes
Doctor showing mri to the old patient and explaining something.
crime expert is researching chemical in test tube in chemistry laboratory, portrait of male scientist