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Pipette adding sample to a test tube in a laboratory
PCR micro tube strip with red liquid.
Pipette placing sample into test tube during experiment in laboratory.
Close-up of pipetting sample into multiwell plate for analysis in laboratory.
Close-up of pipetting blood sample into microcentrifuge tubes.
Female scientist using pipette for dropping liquid into eppendorf tubes.
Pipetting droplets of liquid into eppendorf tubes, side view
Pipetting sample into vial for testing
Empty PCR tubes on black background.
Close-up of pipette and tubes for automated blood sample testing.
Three microcentrifuge tubes with pink liquid in tube rack.
Close-up of pipetting sample into microcentrifuge tubes.
Blood samples in PCR tubes.
Blood samples in microcentrifuge tube strip for genetic analysis.
Scientist pipetting sample in microcentrifuge tube for chemical analysis.
Researcher using a light microscope for studying tube containing blood sample.
Female scientist pipetting liquid into Eppendorf tubes.
Close-up of micropipette pipetting blood sample into microcentrifuge tubes.
Scientist pipetting liquid into Eppendorf tubes.
Close-up of pipetting sample into plastic micro-centrifuge tube rack.
Pipetting samples into microcentrifuge tubes
Close-up of pipette pipetting into microcentrifuge tubes in pathogenic laboratory.
Close-up of pipetting liquid into Eppendorf tubes.
Scientist pipetting sample into tube for analytical testing in laboratory.
Close-up of pipetting samples into microcentrifuge tubes.
Cropped view of scientist pipetting samples into microcentrifuge tubes.
Scientist hand holding micro-centrifuge tube containing biological sample.
Close up of pipette dropping solution into test tubes in rack in lab
Close-up of pipetting sample into row of test tubes during experiment in laboratory.
Scientist pipetting samples into test tubes in laboratory.
Scientist hand pipetting samples into microcentrifuge tubes.
Pipette dripping liquid into test tubes.
Sample tubes in container with ice in laboratory.
Pipetting drops of liquid into eppendorf tubes, high angle view
Close-up of tubes for automated blood sample testing.
Close-up of pipettes and tubes for automated blood sample testing.
Cropped image of female hand pipetting yellow liquid into test tubes in lab
Pipetting liquid into test tubes, close-up.
Close-up of pipette pipetting into test tubes in pathogenic laboratory.
Close-up of pipetting liquid into test tubes
PCR tubes with orange samples on black background.
Blood samples for testing in microcentrifuge tubes.
Close-up of pipetting into Eppendorf tubes.
Close-up of multichannel pipette with green liquid pipetting into multiwell plate in laboratory.
Cropped view of graduated pipette pipetting liquid into test tubes
DNA autoradiogram gel illustrating genetic results laying on a row of test tubes in the laboratory
Close-up of multipipette sampling liquid into tube rack in laboratory.
Scientist pipetting liquid in test tubes, cropped shot
Germany, Pipetting pink liquid into test tubes, close up
Close-up of pipetting colorful liquids into test tubes.
Test tubes on biochemical transport chain in laboratory
Close-up of scientist holding rack of microcentrifuge tubes with red liquid.
Numbered test tubes with red liquid for biological research.
Close-up of microcentrifuge tubes with blood samples.
Laboratory sample tubes in rack.
Microcentrifuge sample tubes in styrofoam rack on blue background.
Test tubes and Erlenmeyer flask in laboratory
Assorted disposable plastic pipette tips and sample tubes.
Chemist in lab holding tubes
Close-up of microcentrifuge tubes with biologist in background.