Scientist testing in laboratory for analysis or researching
dolly right doctor looking at test tube
Focus on hand of female Biracial scientist taking flask with purple liquid from shelf in laboratory at daytime
Tilting-up close-up of middle eastern biology researcher examining test tube with green genetically modified seedling in lab
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
Close mid view of female scientist using dropper and test tubes for conducting experiment in laboratory
Asian and African-American teachers show test tube with blood to girl student recording video for blog at online fun chemistry lesson in studio
Close-up footage of hands of anonymous technician in gloves pouring liquid from pipette into test tube, while performing tests in diagnostic laboratory
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
Close-up of female Asian scientist in safety mask and glasses looking at test tube with water and tiny piece of artificial cultured meat
Interaction between solutions of barium nitrate and sulfuric acid. Formation of a white precipitate of barium sulphate. Close-up
A closeup of the sterile medical lab machine performs the analysis automatically on detection of cancer by analysis of a puncture
Blood sample in micro tubes
Medical Research Laboratory: Portrait of Female Scientist Working with Samples, using Micro Pipette Sample.
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Tilt up shot of focused Asian female scientist in lab coat, glasses and gloves looking at liquid in test tube and using laptop during research in chemistry laboratory
Pipette drop the sample into test tube
entertaining science. children conduct a scientific experiment at home
Woman researcher looking at drugs in test tube wearing protective gloves close up. Laboratory specialist examining vaccine samples.
African scientist male doctor conducting biochemical experiments, research two test tubes with red liquid, working in chemical lab
Chemical and biological laboratory for the invention of biological weapons
Carrying Out Analyzes In The Laboratory.
Closeup scientist researching samples in test tube at advanced medical laboratory. Confident woman lab worker looking drugs beaker smiling.
Laboratory scientist researching disease in clinic close up. Serious man technician in holding test tube looking at computer data.
Yawning woman scientist. Female scientist tired. Lab scientist in science laboratory. Scientist woman yawning at work. Laboratory technician in lab. Tired woman in science lab
Students looking at person adding chemical agent to test tube
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Advanced medical research laboratory: Close up of chemist or scientist wearing gloves putting test tubes with blue liquid in rack.
Lab worker filling test tube with experimental drug making scientific research close up. Serious woman scientist looking medicine substance.
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Caucasian schoolmaster in safety and lab coat mixing liquids in test tubes for showing pupils chemical reactions during lesson. Scientific
lab tech pouring liquid in test tube
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Male teacher in protective and white lab coat standing near blackboard with writing chemical formulas and talking to children. Pupils
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Children and mixing liquid in test tube with help of male teacher at school. Caucasian man and pupils standing together in and wearing
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Enthusiastic caucasian teacher making chemical experiments together with pupils during lesson. Focus on curious pretty redhead schoolgirl in
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Tilt up shot of female food scientist adding piece of lab-grown meat to red liquid in test tube, then studying reaction during experiment in biotech lab
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Schoolgirl with curly red hair standing with schoolmates around teacher during chemical experiment. Caucasian man in and lab coat explaining
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Qualified male teacher explaining chemical reaction to pupils during lesson at modern school. Children of elementary school involving on lab
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Chemistry teacher in protective lab coat and teaching group of elementary school students at laboratory. Pupils examining reaction of mixing
Close up of scientist adding solution with pipette on smoking blue fluid in test tubes. Chemist in research lab.
female biologist is engaged in breeding a new plant species. Female biologist conducts experiments with plants
two scientists standing and going over notes in their lab 4k
Portrait of two excited Caucasian apothecaries standing at the background of shelves with test tubes and talking. Ancient medics discovered new medicine. 19th century, vintage, retro drugstore.
Medical researcher scientist man looking at biological samples under microscope
Cropped shot of unrecognizable lab chemist in white lab coat and disposable gloves filling glass test tube with green liquid, conducting chemical experiment in research at workplace
Scientist using a pipette to put solution in flask. Stock footage. Concept of medicine and chemistry.
Portrait of medical scientist looking at chemical reactions in test tubes while working on vaccine in laboratory
Medium closeup of Caucasian female chemist talking about research and showing test tube with liquid during video call in laboratory