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    Close-up of oscilloscope screen and wires. — Stock Photo
    Close-up of oscilloscope screen and wires.
    Standardized volume pipettes with bulbs, close-up. — Stock Photo
    Standardized volume pipettes with bulbs, close-up.
    Athlete in oxygen mask riding exercise bike with measuring of oxygen consumption. — Stock Photo
    Athlete in oxygen mask riding exercise bike with measuring of oxygen consumption.
    Close-up of Eppendorf tubes in rack. — Stock Photo
    Close-up of Eppendorf tubes in rack.
    Mature blonde woman undergoing electroencephalography monitoring. — Stock Photo
    Mature blonde woman undergoing electroencephalography monitoring.
    Researcher preparing samples of donated blood for analysis. — Stock Photo
    Researcher preparing samples of donated blood for analysis.
    Male scientist in face mask holding syringe. — Stock Photo
    Male scientist in face mask holding syringe.
    Close-up of cell culture plates on white background. — Stock Photo
    Close-up of cell culture plates on white background.
    Researcher preparing bags of donated blood for component separation. — Stock Photo
    Researcher preparing bags of donated blood for component separation.
    Pipette placing sample into test tube during experiment in laboratory. — Stock Photo
    Pipette placing sample into test tube during experiment in laboratory.
    Laboratory glassware with red liquid. — Stock Photo
    Laboratory glassware with red liquid.
    Close-up of pipetting into Eppendorf tubes. — Stock Photo
    Close-up of pipetting into Eppendorf tubes.
    Doctor adjusting electroencephalography equipment on mature patient. — Stock Photo
    Doctor adjusting electroencephalography equipment on mature patient.
    Female scientist viewing tissue sample under microscope. — Stock Photo
    Female scientist viewing tissue sample under microscope.
    Close-up of Eppendorf tubes in rack. — Stock Photo
    Close-up of Eppendorf tubes in rack.
    Close-up of pipetting liquid into Eppendorf tubes. — Stock Photo
    Close-up of pipetting liquid into Eppendorf tubes.
    Wheat grains in petri dish with laboratory equipment for food research. — Stock Photo
    Wheat grains in petri dish with laboratory equipment for food research.
    Laboratory glassware with transparent liquid, close-up. — Stock Photo
    Laboratory glassware with transparent liquid, close-up.
    Scientist experimenting with cultures in petri dishes with biohazard warning in microbiology lab. — Stock Photo
    Scientist experimenting with cultures in petri dishes with biohazard warning in microbiology lab.
    Researcher using a light microscope for studying tube containing blood sample. — Stock Photo
    Researcher using a light microscope for studying tube containing blood sample.
    Female researcher pipetting liquid in science laboratory. — Stock Photo
    Female researcher pipetting liquid in science laboratory.
    Close-up of microtubes with red liquid and person fingers. — Stock Photo
    Close-up of microtubes with red liquid and person fingers.
    Close-up of pipetting into microtubes. — Stock Photo
    Close-up of pipetting into microtubes.
    Liquids of different colors in sample vials in laboratory. — Stock Photo
    Liquids of different colors in sample vials in laboratory.
    Close-up of pipetting colorful liquids into test tubes. — Stock Photo
    Close-up of pipetting colorful liquids into test tubes.
    Close-up of scientist hand pouring reagent into flask for chemical research. — Stock Photo
    Close-up of scientist hand pouring reagent into flask for chemical research.
    Close-up of pipetting liquid into test tubes — Stock Photo
    Close-up of pipetting liquid into test tubes
    Close-up of sample tubes with medical samples. — Stock Photo
    Close-up of sample tubes with medical samples.
    Female scientist holding petri dish with pills. — Stock Photo
    Female scientist holding petri dish with pills.
    Close-up of pipetting liquid into Eppendorf tubes. — Stock Photo
    Close-up of pipetting liquid into Eppendorf tubes.
    Close-up of pipetting sample for biological research. — Stock Photo
    Close-up of pipetting sample for biological research.
    Container with biohazard warning tape containing forensic evidence. — Stock Photo
    Container with biohazard warning tape containing forensic evidence.
    Close-up of scientist hand pouring reagent into flask for chemical research. — Stock Photo
    Close-up of scientist hand pouring reagent into flask for chemical research.
    Close-up of microtubes stored in rack. — Stock Photo
    Close-up of microtubes stored in rack.
    Liquids of different colors in sample vials in laboratory. — Stock Photo
    Liquids of different colors in sample vials in laboratory.
    Scientist viewing plant leaf in petri dish under inverted microscope in laboratory. — Stock Photo
    Scientist viewing plant leaf in petri dish under inverted microscope in laboratory.
    Cell culture plate on white background. — Stock Photo
    Cell culture plate on white background.
    Liquid being pipetted into petri dish. — Stock Photo
    Liquid being pipetted into petri dish.
    Colorful Eppendorf tubes in rack on white background. — Stock Photo
    Colorful Eppendorf tubes in rack on white background.
    Ampoules of collagen skin care products. — Stock Photo
    Ampoules of collagen skin care products.
    Rice and corn in containers with laboratory equipment for food research. — Stock Photo
    Rice and corn in containers with laboratory equipment for food research.
    Close-up of cell culture plates on white background. — Stock Photo
    Close-up of cell culture plates on white background.
    Close-up of petri dishes and dropping pipette for genetic research. — Stock Photo
    Close-up of petri dishes and dropping pipette for genetic research.
    Athlete in oxygen mask riding exercise bike with measuring of oxygen consumption. — Stock Photo
    Athlete in oxygen mask riding exercise bike with measuring of oxygen consumption.
    Bags of donated blood in laboratory. — Stock Photo
    Bags of donated blood in laboratory.
    Colorful Eppendorf tubes in rack on white background. — Stock Photo
    Colorful Eppendorf tubes in rack on white background.
    Young woman in goggles using microscope. — Stock Photo
    Young woman in goggles using microscope.
    Assorted disposable plastic pipette tips and sample tubes. — Stock Photo
    Assorted disposable plastic pipette tips and sample tubes.
    Close-up of microcentrifuge tubes with biologist in background. — Stock Photo
    Close-up of microcentrifuge tubes with biologist in background.
    Close-up of tube and syringe in hematology laboratory with scientist in background. — Stock Photo
    Close-up of tube and syringe in hematology laboratory with scientist in background.
    Male radiologist looking through CT scanner. — Stock Photo
    Male radiologist looking through CT scanner.
    Close-up of microcentrifuge tubes with biologist in background. — Stock Photo
    Close-up of microcentrifuge tubes with biologist in background.
    Close-up of scientist hand pouring reagent into flask for chemical research. — Stock Photo
    Close-up of scientist hand pouring reagent into flask for chemical research.
    Female scientist viewing tissue sample under microscope. — Stock Photo
    Female scientist viewing tissue sample under microscope.
    Person hand holding petri dish with biological culture. — Stock Photo
    Person hand holding petri dish with biological culture.
    Close-up of male scientist pipetting into test tubes. — Stock Photo
    Close-up of male scientist pipetting into test tubes.
    Standardized volume pipettes with bulbs, close-up. — Stock Photo
    Standardized volume pipettes with bulbs, close-up.
    Cropped view of scientist hands holding samples for biological research. — Stock Photo
    Cropped view of scientist hands holding samples for biological research.
    Empty laboratory glassware on table. — Stock Photo
    Empty laboratory glassware on table.
    Close-up of sample tubes in rack. — Stock Photo
    Close-up of sample tubes in rack.