Biologische testen. Serieuze aardige bebaarde bioloog die testsamples vasthoudt en ernaar kijkt tijdens het uitvoeren van een analyse - Stockfoto’s en -afbeeldingen

Hospital laboratory. Smart nice male scientist holing a syringe and looking at it while working in the hospital laboratory

Blood sample. Selective focus of a test tube with blood being held by a nice smart professional laboratory worker

Selective focus of handsome immunologist in glasses holding test tube with red liquid in clinic

Technical equipment. Selective focus of a modern microscope standing on the table while being used by a nice handsome professional scientist

Medical laboratory. Selective focus of a medical syringe being used in the professional scientific lab

Biological research. Positive smart male biologist holding a microscope and taking a test tube while conducting a biological research

In the scientific lab. Selective focus of scientist hand taking out of the test tube for the research

Biological research. Positive smart male biologist holding a microscope and taking a test tube while conducting a biological research

Hard work. Professional appealing male laboratorian rising bulb while looking at it and wearing safety glasses and mask

My research. Serious brunette male lab assistant posing in profile while looking in microscope and studying sample

Scientific developments. Serious nice scientific researcher looking at the test tubes and taking one of them while working in the lab

Tough work. Ambitious focused male laboratorian looking in microscope while posing in profile and dressing in lab coat

Scientific breakthrough. Jolly gay male laboratorian wearing safety glass while cultivating plant in vial and smiling

Difficult task. Serious skillful male lab assistant wearing mask while touching microscope and conducting research

More samples. Merry gay male laboratorian grinning while getting vial and putting on safety glasses

Successful experiment. Selective focus of male hand carried vial filled with liquid and man putting on safety glasses and grinning