crime expert is researching chemical in test tube in chemistry laboratory, portrait of male scientist
Close-up shot of hands of anonymous female laboratory employee in gloves adding pink chemical solution from tube to clear liquid in vial while performing diagnostic test on biochemical probe
Close-up vertical of hands of unrecognizable laboratory technician in gloves adding pink chemical reagent from tube to liquid in vial while performing in vitro diagnostic assay on biochemical probe
Chemist hands mixed substance of red color in test tubes. Doctor Pours red Chemicals Into In Flask. Close Up
Close-up no people shot of cell specimen on glass slide under microscope, and tip of pipette adding drops of nutritious substrate to sample, during biochemistry study in laboratory
Chemical reaction in flask. Female scientist carrying out scientific research. Scientist woman dropping reagent in glass flask. Lab woman pouring liquid for chemical experiment in laboratory
Science & Technology: Young Scientists Conducting Tests in a Clinical Laboratory
Bottles of solutions stored on shelf in laboratory. Bottles with chemical solutions of NaOH, H2so4 and HNO3. Sulfuric acid, sodium hydroxide
Researcher's Gloved Hand Dripping Liquid on Soil with Growing Seedlings
Lab woman working with laboratory glassware. Female lab worker in science laboratory. Lab student doctor working with laboratory flask. Lab researcher working with liquid
Woman chemist adding chemical reagent in pure liquid at glass flask. Close up of scientist hands put lab flask on table
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
A flask with russian signs in a lab
A lab technician in glasses at a table dials liquid reagents from a vial into a syringe. Laboratory studies in the clinic.
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
Medium shot of busy Chinese female researcher adding reagent with bulb pipette to test tube, African American male colleague with tablet approaching and sharing result of experiment
Close-up of Caucasian female scientist in goggles, gloves adding drops of nutritional liquid to strand of green algae in test tube, while performing laboratory experiment in biology
worker chemist filling pouring test tube with liquid reagent flask Spbd. Closeup. drip liquid in a pipette with measuring numbers. concept chemistry, laboratory. pharmaceutical analysis
A canister with a dangerous liquid at the plant
Close-up low angle shot of gloved hands of female research scientist carefully adding drops of purple reagent in various concentration to liquid in sample tray, using pipette, during experiment
Chemist mixing reagents and checking pH
Medium side shot of African American male researcher in white lab coat studying specimen under microscope, adjusting focus, while Asian female colleague is working with reagents in background
Comparing Colorful Liquids in Laboratory
A doctor in rubber gloves dials liquid reagents into a syringe. Laboratory assistant conducts laboratory studies
Full high angle shot of Asian female employee of research chemical laboratory working on new synthetic compounds - typing on laptop, then walking over to flasks with liquids and adding reagent
Pipette adding fluid to one of several test tubes
A light chemical laboratory with glass bottles
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
Young employee conducting experiments in scientific laboratory with colored liquid and crystals
Blurry lady lab assistant puts test tube with red liquid sample on rack in hospital slow motion. Probe lens footage of medical researching macro view
Lab flask in scientist hand. Female scientist hands mixing blue liquid in glass flask. Laboratory testing. Science laboratory research. Close up of lab worker holding test tube with liquid
Adding purple powder into flask with green solution close-up, making a mixture. Modern laboratory concept. Chemistry reaction and experiments, chemical researching.
Medium low angle footage of Chinese female chemist carefully adding drops of reagent in different concentration to liquid in sample tray, using pipette, while working in laboratory
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
Laboratory technician mixes the reagent with liquid in flasks. Research of medicinal properties of plants. Natural cosmetics production
Close-up 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 pipette
Woman working with flask in a laboratory
Chemist in lab. Chemical engineering. Female chemist working with chemical liquid in research lab. Woman chemist analyzing chemical reagents in laboratory. Woman scientist conducting chemical research
Lab assistant with goggles drips blood into test tube with reagent in laboratory slow motion. Probe lens shot of medical examining extreme closeup
Medium close-up tilting footage of busy Chinese female laboratory worker in safety goggles, white coat, gloves adding reagent to vial then carefully pouring solution into test tube during experiment
Chemical experience on black background, Fluorescent chemical reaction in flask
Scientist dropping the reagent into test tube for reaction testing in chemical laboratory
Lab testing of milk
Forceps put substance into equipment. Stock footage. Chemist puts substance into equipment with forceps. Laboratory chemical and experiments
Full high angle CCTV camera shot of Asian female employee of research laboratory working alone - typing on laptop, then walking over to table and handling chemical liquids and reagents
Colored flowing slow motion. Beauty multicolored acrylic shot underwater vibrant spreading in slow speed. Vapour footage by high speed
Researcher works with fluids in chemical laboratory
Asian woman scientist with protective goggles drips catalyzer into test tube with liquid in clinic slow motion. Probe lens shot of vaccine closeup