Extreme no people macro of drop of saliva with air bubbles being rotated on specimen table under microscope in laboratory in clockwise motion, on black background
man drops light brown liquid into plastic measuring spoon from pipette on black background extreme close view
Science or medical lab research test in the laboratory. Stock footage. Mixture in a flask.
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Wide shot of two environmental experts wearing full protective suits collecting water samples on sandy shoreline at daytime
Crop male goldsmith cleaning silver in ultrasound with water
Portrait of Chinese male scientist is analyzing a liquid to extract the DNA and molecules in the test tubes in laboratory.
Professional black male scientist biologist in protective workwear analyzing biohazard danger and controlling environmental contamination, sampling polluted mountain river water into test tube.
Slow motion macro of micro particles molecules in a liquid are analyzed with microscope for bioche
Rotating liquid in laboratory. Chemical experiment with substance in flask. Professional chemical lab
Slow motion macro of micro particles molecules in a liquid are analyzed with microscope for bioche
Scientist filling a glass bottle in a lab
Electrochemistry: time-lapse of colloidal silver generationtl_chem_02_left_1080p_25fps_15s_90q_rgb.mov
Slowmo close up of unrecognizable ecologist in protective coverall and gloves taking sample of water in polluted river or lake with test tube
Close Up Blood In Clear Liquid And White Background
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Closeup shot of unrecognizable biochemist in protective suit collecting soil samples at industrial waterfront and putting them into briefcase while conducting research with colleague
Anticeptic hand gel close-up. Liquid soap texture on grey background. Skincare cream, beauty product sample. Antibacterial washing, cosmetics.
Dropping of blue liquid in test tube with glass dropper
Tilt up shot of woman in white coat and protective gloves testing water in PET bottle at beverage factory before delivery
Two ecologists in protective coverall suits and respiratory masks collecting samples of lake water in polluted area into test tube
Ecologist taking sample of contaminated water with dangerous toxins into tubes. Scientist in protective wear analyzing toxic water from industrial waste pipe. Environmental pollution.
Two ecologists wearing protective coveralls and respiratory masks collecting samples of lake water in polluted area with warning biohazard sign
Close up of male hands collecting water samples from natural water stream.
Professional charming asian biologist woman with digital tablet in protective suit, mask and gloves working on water analysis, examining test tubes with samples of polluted water on mountain river.
Chemist in ppe looking at flask with solution, water analysis from swamp, wearing protective suit and medical gloves, sample for toxicity testing. Scientific researching, field laboratory concept.
Lab Assistant Dispenses Liquid into Measuring Cup - Close-Up Shot
Retro VHS tape, film Process of taking water analysis from swamp, using flask and pipette, wearing protective suit and medical gloves, sample for toxicity testing close-up. Scientific researching.
Cropped low section shot of team of ecologists wearing protective coveralls and rubber boots walking together along coastline with biohazard sign in polluted area
Anticeptic hand gel close-up. Liquid soap texture on white background. Skincare cream, beauty product sample. Antibacterial washing, cosmetics.
A specialist girl checks the grape fields, holds a pipette, a flask with water, takes a test for t
The chinese writing brush and ink. Brush and ink. Traditional accessories for calligraphic writing in Chinese
Collaborative scientists analyzing polluted river water for research
Pipette dropping sample into test tube
person drops brown liquid from glass pipette onto palm in black background extreme close view
Ecologist sampling water from the river with test tube, Biologist wear protective suit and mask collects sample of waste water from industrial, problem environment, scientist environmentalist
Young Asian scientist tasting liquid from flask in medical laboratory
Two female ecologists wearing protective coveralls and respiratory masks examining test tubes with samples of polluted water and talking while working at gulf coast
Student guy with white gloves drops dark blue liquid into beaker with clear water doing research in medical college laboratory close view
Process of taking water analysis from swamp, using flask and pipette, wearing protective suit and medical gloves, sample for toxicity testing close-up. Scientific researching, field laboratory.
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Black male ecologist wearing protective suit and rubber boots opening suitcase with lab tools at waterfront and picking up water sample in test tube for expertise
Liquid with flakes mixing with a blender in laboratory
Medium close-up of female ecology expert in mask, goggles, yellow jacket holding up tube with water specimen, checking transparency and residue, during field trip for environmental research
Close-up of environmentalist hand in process of taking sample of water into test tube from polluted mountain river, while diverse multicultural scientists working for environmental conservation.
Blood Falling Through Clear Liquid Close Up
Slowmo shot of female scientist in protective coverall taking sample of water from polluted river into test tube while examining consequences of eco catastrophe
A scientist adds some water into an erlenmeyer flask
Portrait of worried black male biologist in protective suit, mask and gloves testing quality of mountain river water, analyzing water sample into test tube during research in contaminated environment.