Neues Heilmittel. Profi-Genie bärtiger Biologe hält eine Pille in der Hand und betrachtet sie, während er ein neues Heilmittel entwickelt - Stockfoto & -bild

Innovative treatment. Smart handsome nice scientist sitting in front of the microscope and looking at the pill while developing new medicine

For the research. Selective focus of a test tube with a sample for the research being taken out of the test tube rack

Chemical lab. Selective focus if test tubes standing on the table with a handsome professional chemist working in the background

Serious research. Serious nice smart scientist sitting in the lab and focusing on his work while conducting a serious research

At the lab. Professional intelligent male scientist sitting in front of the microscope and doing the research while being at work

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

Professional biologist. Happy cheerful positive scientist working with the microscope and smiling while enjoying his job

Uneasy work. Professional skillful male lab assistant using reagent while performing experiment and touching microscope

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

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

Scientific challenge. Pleasant handsome male laboratorian dressing in safety glasses while elevating vial and gazing at it

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

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

Medical lab. Smart intelligent nice woman holding a test tube and looking at it while working in the lab