Portrait de scientifique concentré regardant la main à travers la loupe en laboratoire - Photo & image de stock

Scientist using microscope while colleague holding reagent in tube in lab

Portrait of scientist looking at tweezers through magnifying glass with colleague behind in lab

Close-up portrait of bearded senior scientist working with microscope and looking at camera

Pensive senior bearded chemist in white coat holding tube with reagent in chemical laboratory

Portrait of tired senior scientist sitting at workplace and looking at camera

Pensive senior bearded scientist in white coat looking at tube with reagent in chemical laboratory

Scientist using microscope while colleague holding reagent in tube in lab

Concentrated bearded chemist in goggles with reagents in tubes in laboratory

Concentrated bearded scientist working with microscope in laboratory

Concentrated bearded scientist working with microscope and laptop in laboratory

Bearded chemist in goggles with reagents in tubes and tablet in laboratory

Attractive blonde scientist working with microscope in laboratory, looking at camera

Concentrated bearded scientist working with microscope and laptop in laboratory

Concentrated bearded scientist working with microscope in laboratory

Bearded chemist in goggles with reagents in tubes and tablet in laboratory

Concentrated bearded chemist in goggles with reagents in tubes in laboratory