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
crime expert is researching chemical in test tube in chemistry laboratory, portrait of male scientist
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
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
Woman chemist adding chemical reagent in pure liquid at glass flask. Close up of scientist hands put lab flask on table
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
shot of equipment for chemical experiments with liquids Spbd. medical tools, flasks, bottles, beaker and bottles. concept pharmaceutical container with transparent reagent in the laboratory
Happy Asian lab assistant working with materials, reagents and lab glassware in scientific laboratory close view
Waist-up shot of young Chinese female laboratory employee dropping pink chemical reagent into flask with clear solution and stirring in circular motion, while performing diagnostic probe
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
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
Chemical flasks with green and blue liquid on white background. Test-tubes with colorful chemical reagent. Laboratory glassware. Chemical
Equipment for testing and analyzing of drugs and medicines in chemical laboratory. experiment in the laboratory with special equipment
Young woman conducting chemical experiment in laboratory - medium shot
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
Young student converses with chemistry instructor as they observe a person adding catalyst powder to a bottle in lab (slow-mo)
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
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
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
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
Lab assistant prepares equipment and materials for scientific experiments on table in laboratory of pharmaceutical plant closeup slow motion
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
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
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
Laboratory studies with medicines. Stock footage. Test tubes with chemical elements with the observation of scientists and various reactions
A lab technician in glasses at a table dials liquid reagents from a vial into a syringe. Laboratory studies in the clinic.
Russians develop chemical weapons
Man demonstrates chemical reaction with colleagues in studio closeup
Woman working with flask in a laboratory
A light chemical laboratory with glass bottles
Lab testing of milk
Lab assistant with goggles drips blood into test tube with reagent in laboratory slow motion. Probe lens shot of medical examining extreme closeup
Teenagers In Of High School, Smart Girl Looking Through Microscope, Closeup Portrait
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
Asian woman scientist with protective goggles drips catalyzer into test tube with liquid in clinic slow motion. Probe lens shot of vaccine closeup
Dedicated female chemistry teacher conducting experiment in lab
Man employee is working with equipment and chemicals in modern pharmaceutical laboratory spbas. Male chemist pours white powder into compartment of metal facilities standing in factory workshop
Laboratory technician mixes the reagent with liquid in flasks. Research of medicinal properties of plants. Natural cosmetics production
Lab assistant working with drug samples at pharmaceutical company
Glass measure cup with orange liquid and three bottles near it
Forceps put substance into equipment. Stock footage. Chemist puts substance into equipment with forceps. Laboratory chemical and experiments
Medical worker with magnifying glass checks red liquid in test tube at workplace slow motion. Probe lens footage of chemical experiment closeup
Adding purple powder into flask with green solution close-up, making a mixture. Modern laboratory concept. Chemistry reaction and experiments, chemical researching.
Scientist colleague adding solution with pipette on smoking blue fluid. Scientis taking notes.
Young student observes color-changing paint experiment in safe and educational lab
Focused female scientist in coverall protection equipment doing scientific tests with smoking blue liquid. Blue liquid with reagent.
Chemist takes material piece covered with white crystals with tongs during researching in laboratory of pharmaceutical plant closeup
Female scientist in coverall equipment holding and looking at est tube with blue liquid. Reactive blue liquid with reagent.