Cientista homem segurando um tubo de ensaio com líquido - Banco de fotos e imagens

Investigator checking test tubes. Man wears protective goggles

Investigator checking test tubes. Man wears protective goggles

Laboratory scientist working at lab with test tubes in chemical investigation

Portrait of a chemist holding a tube with liquid. Investigator checking test tubes. Man wears protective goggles

Investigator checking test tubes. Man wears protective goggles

Medical or scientific researcher or doctor using looking at a solution in a laboratory

Medical researcher using looking at a solution in a laboratory

Medical or scientific researcher or doctor using looking at a solution in a laboratory

Medical or scientific researcher or doctor using looking at a solution in a laboratory

Medical or scientific researcher or doctor using looking at a solution in a laboratory

Young blond woman looking into a conical flask of blue coloured solution (liquid).

Medical or scientific researcher or doctor using looking at a solution in a laboratory

Medical or scientific researcher or doctor using looking at a solution in a laboratory

Medical or scientific researcher or doctor using looking at a solution in a laboratory

Medical or scientific researcher or doctor using looking at a solution in a laboratory

Medical or scientific researcher or doctor using looking at a solution in a laboratory