Portrait of medical scientist looking at chemical reactions in test tubes while working on vaccine in laboratory
Laboratory assistant scientist laboratory tests chemicals for reactions in flask
Laboratory assistant scientist laboratory tests chemicals for reactions in flask. Close up
Laboratory studies with medicines. Stock footage. Test tubes with chemical elements with the observation of scientists and various reactions
Laboratory studies with medicines. Stock footage. Test tubes with chemical elements with the observation of scientists and various reactions
Scientist dropping the reagent into test tube for reaction testing in chemical laboratory
Scientists discuss results of reaction of chemical liquids in test tubes
Chemistry analysis. Test tube. Laboratory research. Blue liquid swirling in laboratory flask. Chemical test. Modern laboratory equipment. Chemical reaction. Chemistry experiment. Medical experiment
Scientist pours the liquid nitrogen on the balloon - show of chemical reactions
Flushing of test tubes. Stock footage. In a special laboratory, test tubes are washed after chemical reactions using special cleaning
Scientist pours the liquid nitrogen on the balloon - show of amazing chemical reactions
Female scientist in modern laboratory wearing a coverall equipment taking samples of blue liquid from test tubes using a pipette. Chemical reaction.