Portrait of senior male scientist in mask looking at camera holding flask with blue liquid inside
Medium shot of male scientist pouring blue liquid into conical flask
Focus on hand of female Biracial scientist taking flask with purple liquid from shelf in laboratory at daytime
Scientist taking out a purple liquid from a conical flask in a lab
Scientist taking out a red liquid from a conical flask and placing it into plate
multiple laboratory flasks on the shelf ready to be used. Clip. Hand of a doctor or scientist in glove taking one empty flask.
Medium shot of female Biracial lab worker taking flask with purple liquid from shelf showing it to female Caucasian colleague
Scientist taking out a purple liquid from a conical flask in a lab,tracking shot
Scientist taking out a purple liquid from a conical flask in a lab, slow motion
Male scientist examining flask with liquid in lab
Scientist put dry ice into a blue liquid in a flask
Scientist hand taking lab flask from table in lab. Closeup of scientist hand preparing laboratory testing. Close up of female scientist working with liquid sample in flask