Asian female chemist in protective face mask, medical hat and gloves examining vial with chemical during laboratory research
Asian male chemist in protective gloves examining chemical in glass while conducting laboratory research
Female chemist in sterile gloves, protective glasses and white coat examining chemical substance in test tube while working in laboratory
Female chemist in sterile gloves, protective glasses and white coat examining chemicals under microscope while doing experiment in laboratory
Chest up shot of Asian scientist in protective face mask, medical hat and gloves holding test tube and examining blue chemical in it while working in laboratory
Asian chemist in protective face mask, medical hat and gloves examining blue chemical in test tube and making notes while conducting scientific experiment in laboratory
Asian female scientist in protective eyewear and gloves examining blue chemical in test tube while working in laboratory
Tilt up shot of Asian male chemist in protective mask, medical hat and gloves looking at vial with blue chemical while experimenting in laboratory
Biochemist filling laboratory flask with chemical liquid in protective suit closeup. Serious man scientist examining substance in gloves.
Chest up slowmo of African American male biotechnologist in protective coveralls and respiratory mask examining different substances in secret laboratory
Asian female lab worker in protective eyeglasses and gloves examining blue chemical in test tube while conducting research in laboratory
Senior Caucasian chemist in protective mask, gloves and glasses putting specimen sample on glass slide and examining it under microscope while working in laboratory