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    Bacterial contamination tests — Stock Photo
    Bacterial contamination tests
    Close-up of scientist fingers holding microcentrifuge tube with blue liquid. — Stock Photo
    Close-up of scientist fingers holding microcentrifuge tube with blue liquid.
    Male laboratory assistant using mini centrifuge. — Stock Photo
    Male laboratory assistant using mini centrifuge.
    Midsection of archaeologist analyzing charred wood in petri dish. — Stock Photo
    Midsection of archaeologist analyzing charred wood in petri dish.
    Close-up of male scientist pipetting into test tubes. — Stock Photo
    Close-up of male scientist pipetting into test tubes.
    Close-up of hands of microbiologist inoculating nutritive agar. — Stock Photo
    Close-up of hands of microbiologist inoculating nutritive agar.
    Male laboratory assistant holding test tube rack. — Stock Photo
    Male laboratory assistant holding test tube rack.
    Close-up of petri dishes and pipette for genetic research. — Stock Photo
    Close-up of petri dishes and pipette for genetic research.
    Female and male scientists working in laboratory. — Stock Photo
    Female and male scientists working in laboratory.
    Close-up of hands of scientist taking sample from culture in Petri dish. — Stock Photo
    Close-up of hands of scientist taking sample from culture in Petri dish.
    Female laboratory assistant wearing safety goggles. — Stock Photo
    Female laboratory assistant wearing safety goggles.
    Female scientist examining cultures in petri dish. — Stock Photo
    Female scientist examining cultures in petri dish.
    Female digital forensic science expert taking notes while investigation. — Stock Photo
    Female digital forensic science expert taking notes while investigation.
    Light microscope objective lenses in laboratory. — Stock Photo
    Light microscope objective lenses in laboratory.
    Female cell biologist placing flask containing stem cells cultivated in red growth medium under microscope. — Stock Photo
    Female cell biologist placing flask containing stem cells cultivated in red growth medium under microscope.
    Bioarchaeologists analyzing human osteological material in laboratory. — Stock Photo
    Bioarchaeologists analyzing human osteological material in laboratory.
    Female teacher and students conducting chemical experiment — Stock Photo
    Female teacher and students conducting chemical experiment
    Crop concentrated female scientist in white robe and gloves conducting chemical experiment with substance and syringe while working in modern laboratory — Stock Photo
    Crop concentrated female scientist in white robe and gloves conducting chemical experiment with substance and syringe while working in modern laboratory
    Technician hand holding blood sample ready for testing in laboratory. — Stock Photo
    Technician hand holding blood sample ready for testing in laboratory.
    Scientist holding multi-well plate with growth medium. — Stock Photo
    Scientist holding multi-well plate with growth medium.
    Technician pipetting samples into cartridges for solid phase extraction. — Stock Photo
    Technician pipetting samples into cartridges for solid phase extraction.
    Male scientist in surgical cap using microscope. — Stock Photo
    Male scientist in surgical cap using microscope.
    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.
    Lab assistant using multi pipette and multiwell. — Stock Photo
    Lab assistant using multi pipette and multiwell.
    Tubes for biological test in rack on blue background. — Stock Photo
    Tubes for biological test in rack on blue background.
    Blood samples in microcentrifuge tube strip for genetic analysis. — Stock Photo
    Blood samples in microcentrifuge tube strip for genetic analysis.
    Female scientist working in laboratory. — Stock Photo
    Female scientist working in laboratory.
    Asian scientist examining plants in science laboratory — Stock Photo
    Asian scientist examining plants in science laboratory
    Close-up of hands of female scientist working in laboratory with pipette and flask. — Stock Photo
    Close-up of hands of female scientist working in laboratory with pipette and flask.
    Digital forensic science technician examining computer hard drive with magnifying glass and taking notes in laboratory. — Stock Photo
    Digital forensic science technician examining computer hard drive with magnifying glass and taking notes in laboratory.
    Side view of woman in medical uniform and mask using modern microscope to examine human cells while working in lab of modern clinic — Stock Photo
    Side view of woman in medical uniform and mask using modern microscope to examine human cells while working in lab of modern clinic
    PCR tubes with orange and purple samples on black background. — Stock Photo
    PCR tubes with orange and purple samples on black background.
    Woman using microscope near colleagues in laboratory — Stock Photo
    Woman using microscope near colleagues in laboratory
    Female bioarchaeologist analyzing micro tube with human osteological material in laboratory. — Stock Photo
    Female bioarchaeologist analyzing micro tube with human osteological material in laboratory.
    Chemist holding vial in pharmaceutical laboratory. — Stock Photo
    Chemist holding vial in pharmaceutical laboratory.
    Female scientist doing experiment in laboratory. — Stock Photo
    Female scientist doing experiment in laboratory.
    Female scientists using microscopes in lab — Stock Photo
    Female scientists using microscopes in lab
    Life science technician using micropipette in laboratory. — Stock Photo
    Life science technician using micropipette in laboratory.
    Female scientist working in laboratory. — Stock Photo
    Female scientist working in laboratory.
    Female scientist pipetting liquid into Eppendorf tubes. — Stock Photo
    Female scientist pipetting liquid into Eppendorf tubes.
    Close-up of pipette pipetting into microcentrifuge tubes in pathogenic laboratory. — Stock Photo
    Close-up of pipette pipetting into microcentrifuge tubes in pathogenic laboratory.
    Researcher handling stem cell cultures in laboratory during research. — Stock Photo
    Researcher handling stem cell cultures in laboratory during research.
    Hands of microbiologist taking sample from agar plate in laboratory. — Stock Photo
    Hands of microbiologist taking sample from agar plate in laboratory.
    Researchers hand mixing solution — Stock Photo
    Researchers hand mixing solution
    Technicians working in sealed and sterile biomedical laboratory. — Stock Photo
    Technicians working in sealed and sterile biomedical laboratory.
    Female scientist pouring dissolved soil sample into chemistry beaker. — Stock Photo
    Female scientist pouring dissolved soil sample into chemistry beaker.
    Multichannel pipette pipetting into rack of tubes. — Stock Photo
    Multichannel pipette pipetting into rack of tubes.
    Scientists in protective clothing working in laboratory. — Stock Photo
    Scientists in protective clothing working in laboratory.
    Female scientist holding and analyzing human skull in ancient DNA laboratory. — Stock Photo
    Female scientist holding and analyzing human skull in ancient DNA laboratory.
    Blood samples in microcentrifuge tube strip for genetic analysis. — Stock Photo
    Blood samples in microcentrifuge tube strip for genetic analysis.
    Scientist viewing bacteria cultures — Stock Photo
    Scientist viewing bacteria cultures
    Male scientist doing medical testing of sample under microscope. — Stock Photo
    Male scientist doing medical testing of sample under microscope.
    Petri dishes with blood agar on blue background. — Stock Photo
    Petri dishes with blood agar on blue background.
    Closeup thin needles inserting sperm into ovum during fertilization process in modern clinic — Stock Photo
    Closeup thin needles inserting sperm into ovum during fertilization process in modern clinic
    Microscope lens and laser light slide, close-up. — Stock Photo
    Microscope lens and laser light slide, close-up.
    Thoughtful university student using digital tablet in laboratory — Stock Photo
    Thoughtful university student using digital tablet in laboratory
    Instructor discussing condenser coil on refrigeration unit with student in wheelchair — Stock Photo
    Instructor discussing condenser coil on refrigeration unit with student in wheelchair
    Close-up of containers for blood group test. — Stock Photo
    Close-up of containers for blood group test.
    Red panda, China — Stock Photo
    Red panda, China
    Schoolboy using glassware and equipment in school laboratory. — Stock Photo
    Schoolboy using glassware and equipment in school laboratory.