Closeup Shot Of Hands Of Anonymous Male Laboratory Technician In Gloves And White Coat Holding Glass Flask And Adding Drops Of Chemical Reagent To Pink Liquid In Test Vials With PipetteÂ
Close-up footage of hand of anonymous male chemist in glove and white coat adding drops of chemical reagent to pink solution in test vials in rack with pipette
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Close-up shot of hands of biochemical laboratory technician in gloves adding drops of chemical reagent to pink fluid in test vials with pipette from glass of blue solution
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Close-up shot of hands of anonymous laboratory technician filling long glass pipette with purple chemical solution from flask, while preparing to perform test
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Medium portrait shot of young Chinese woman in white lab coat, goggles and gloves adding drops of reagent to test vial with long glass pipette, then looking at camera and smiling
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Close-up footage of gloved hands of unrecognizable laboratory technician filling long glass bulb pipette with pink chemical reagent, adding to clear liquid in flask, then stirring in circular motion
Top shot of flasks, vials with chemical solutions, substrates, Peti dish with cell cultures on worktop in biochemistry laboratory, and hands of anonymous technician putting rack of test tubes on table
Chemical flasks with green and blue liquid on white background. Test-tubes with colorful chemical reagent. Laboratory glassware. Chemical
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Medium footage of Chinese female scientist in white coat, goggles, gloves adding drops of reagent to chemical solution in vial, holding it up, checking for reaction or residue, while conducting tests
Female scientist pouring chemical reagent in lab flask. Closeup of woman scientist doing chemical reaction. Lab technician doing laboratory testing. Scientist hands doing laboratory research
Lab technician adds a few drops of a red chemical from a pipette to a petri dish