Des échantillons chimiques. Gros plan d'un rack dont les éprouvettes sont entre les mains d'un scientifique professionnel intelligent - Photo & image de stock

Scientist with equipment holding tools during scientific experiment science concept

For the analysis. Close up of a test sample being taken from a test tube for professional biological analysis

Close up. scientist recording the results of the study in a laboratory journal. photo with a copy-space.

Scientific expertise. Top view of a test tube being taken from the rack for analysis

Female scientist working at laboratory. Medical researcher working in labaratory

Scientific tests. Close up of a scientist hand above test tubes while taking a sample

Close-up of professional female scientist in protective eyeglasses making experiment with reagents or blood test in laboratory. Medicine, biotechnology and research concept.

At the medical lab. Close up of test tubes standing in the special rack while being used for medical analysis

Scientific laboratory. Top view of test tubes being in use by a smart skilled scientist in the laboratory

Controlled experiment. Close up of a researcher in gloves holding a pipette while pouring a drop of a chemical liquid in one of the test tubes.

Test sample for analysis. Selective focus of a transparent petri dish with liquid in it

During the lab analysis. Close up of a petri dish in scientists hands during the lab analysis

Medical research. Selective focus of new experimental vaccine being in the test tubes

Close up of male scientist hands in disposable latex gloves holding two test tubes with reagents

Preparation. Qualified young dentist wearing rubber gloves while taking dental instruments from the box