Lächelnder Chemiker im weißen Kittel hält Reagenzgläser in der Hand und macht Experimente - Stockfoto & -bild

Smiling chemist in white coat holding test tubes with reagents and making experiment

Professional scientist in protective eyeglasses making experiment with reagents in test tubes

Professional scientist in protective eyeglasses making experiment with reagents in test tubes

Close-up view of professional scientist holding test tube with reagent in lab

Female laboratory assistant analyzing a blood sample at hospital. Medicine, health care and researching concept.

A medical or scientific researcher or doctor looking at a test tube of liquid green solution in a laboratory.

Woman researcher is surrounded by medical vials and flasks, isolated on white

Smiling bearded scientist in protective goggles and gloves holding test tubes with reagents and making experiment

Two adult scientists and little student making experiment in chemical lab

Smiling professional scientist in protective glasses making experiment in lab

Adorable little girl in goggles with reagents in tubes in laboratory

Adorable little girl in goggles with reagents in tubes in laboratory

Side view of teacher and student working together in laboratory

Concentrated young scientist in protective glasses and white coat making experiment in lab

Adult scientist and girl in goggles mixing reagents in tubes in laboratory