Chimiste souriant en manteau blanc tenant un tube à essai avec échantillon et regardant la caméra dans un laboratoire chimique - Photo & image de stock

Chemical reagent. Positive cheerful ice man holding a test tube and looking at the liquid in it while doing chemical research

New discovery. Smiling microbiologist wearing white uniform feeling impressed while making new revolutionary discovery

This is success. Cheerful nice positive man looking at the test tube and smiling while being happy about his success

Rewarding job. Happy delighted nice scientist smiling and taking a test tube while feeling happy about his job

Professional device. Nice pleasant happy man holding a microscope and smiling while working in the biological lab

Delightful brunette. Attractive medical worker raising his left hand and holding test-tube while keeping smile on his face

A medical worker in lab coat and protective glasses, examining a molecular model in his hands

Smiling lab technician examining sample of plant in test tube for analysis

Selective focus of scientist in white coat and eyeglasses making notes in notepad at workplace with microscope in laboratory

Professional lab technician taking notes while doing microscope sample analysis

Mature chemist in white coat working with test tube and microscope in chemical lab

Smiling scientist in lab coat holding a flask with blue liquid

A medical worker in lab coat and latex gloves, examining a molecular model in his hands

Professional scientist in white coat sitting in laboratory and holding a tinted jar with chemical