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"test tube"

Scientist testing in laboratory for analysis or researching

lab tech with test tube

Close-up of female Asian scientist in safety mask and glasses looking at test tube with water and tiny piece of artificial cultured meat

Close-up footage of hands of anonymous technician in gloves pouring liquid from pipette into test tube, while performing tests in diagnostic laboratory

Inclusive research: Testing new perfume flavors with a woman with a physical disability and a pink-haired researcher

dolly right doctor looking at test tube

Scientist testing in laboratory for analysis or researching.

male doctor work in laboratory, developing a vaccine. Coronavirus, COVID-19, 2019-ncov medicines research concept. Use Microscope

African scientist male doctor conducting biochemical experiments, research two test tubes with red liquid, working in chemical lab

Close mid view of female scientist using dropper and test tubes for conducting experiment in laboratory

Woman doctor lab filling test tube with medical solution. Lab doctor doing medical research. Female lab technician working in medical laboratory with pipette close up. Pharmaceutical research

Scientist testing in laboratory for analysis or researching

Blood sample in micro tubes

Interaction between solutions of barium nitrate and sulfuric acid. Formation of a white precipitate of barium sulphate. Close-up

Medium close-up of busy Caucasian female laboratory researcher in protective goggles studying test tube with human blood sample next to microscope and observing its properties

Laboratory Technician Dripping Liquid On The Measuring Device. The Woman Closed The Lid Of The Sugar Meter. Black Liquid Is In A Flask. Woman Wearing A White Robe.

MS Students and teacher watching experiment in science class

Pipette drop the sample into test tube

Work in a medical laboratory. A man uses a microscope to perform a blood test. Woman typing on laptop sitting next to him

Students looking at person adding chemical agent to test tube

A scientist examines the composition of water in a local pond among the bags of garbage. Ecology and water pollutionZ Dscf 0171 O

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Caucasian male teacher in lab coat and mixing liquids in test tubes while group of children standing around and looking with attention

Work in a medical laboratory. A man and a woman are talking using a laptop sitting at a table with a microscope. A woman sets up a blood

Scientist using a pipette to put solution in flask. Stock footage. Concept of medicine and chemistry.

lab tech pouring liquid in test tube

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Cosmetics liquid dropper with skin care concept, 3d rendering.

Unrecognizable scientist working at mockup computer in modern laboratory closeup. Back view lab worker looking test tube entering data in pc

Chemical engineer using micro pipette to put solution in beaker, doing laboratory work for science development. Chemist working with lab equipment and glassware for research experiment.

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Advanced medical research laboratory: Close up of chemist or scientist wearing gloves putting test tubes with blue liquid in rack.

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Caucasian man in and lab coat holding test tubes with colored liquids and explaining pupils chemical reactions. Education with interest and

Doctor shows a positive and negative results of test for coronavirus

Portrait of medical scientist looking at chemical reactions in test tubes while working on vaccine in laboratory

Coronavirus COVID-19 Infected Blood Sample in Doctor Scientist Hands. Epidemic and Virus Outbreak.

Two women in medical clothes work in a medical laboratory, using a microscope and conducting a blood test

two scientists standing and going over notes in their lab 4k

The scientist and the young woman experiment with chemical liquids

DNA test experiment conducted by Medical research scientist, using test tubes 4K

Closeup skilled scientist looking at test tube with medical preparation in lab. Young thoughtful researcher in safety checking drugs

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Medical science laboratory: Female chemist in white coat takes test tubes for chemical experiment from shelf with lab African American

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Advanced medical research laboratory: Professional scientist or lab worker wearing gloves uses pipette, pours liquid from flask in test

Portrait of chemist working with microscope in laboratory, to develop science experiment. Microbiology specialist using optical tool with microscopic lens to analyze dna sample in lab.

Versatile laboratory glassware with blue liquid inside on a light background. Many different kinds of chemistry containers stacked

Pharmacist working with liquid in test tube. Female scientist doing pharmaceutical research in chemical laboratory. Doctor mixing chemical liquid in glass flask. Medical research in chemical lab

Medium shot of two chemists wearing protective clothing examining test tubes with liquid samples and making notes, working together in modern lab

Chemical reaction in flask at chemistry lab. Scientist conducting chemical experiment in chemistry laboratory

Male scientist experimenting in laboratory 4k

Scientist placing samples under a microscope for inspection

Chemist scientist african woman taking dna solution from test tube