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    Close-up of sample tubes in rack. — Stock Photo
    Close-up of sample tubes in rack.
    Scientist holding samples in multi well plate during experiment in laboratory. — Stock Photo
    Scientist holding samples in multi well plate during experiment in laboratory.
    Scientist pipetting sample into tube for analytical testing in laboratory. — Stock Photo
    Scientist pipetting sample into tube for analytical testing in laboratory.
    Scientist pipetting samples into multi well plate for automated testing in laboratory. — Stock Photo
    Scientist pipetting samples into multi well plate for automated testing in laboratory.
    Researcher preparing samples of donated blood for analysis. — Stock Photo
    Researcher preparing samples of donated blood for analysis.
    Close-up of pipetting sample into row of test tubes during experiment in laboratory. — Stock Photo
    Close-up of pipetting sample into row of test tubes during experiment in laboratory.
    Lab technician carrying cell-based testing kit in bioengineering laboratory. — Stock Photo
    Lab technician carrying cell-based testing kit in bioengineering laboratory.
    Platelets in blood vessel — Stock Photo
    Platelets in blood vessel
    Scientist hand holding micro-centrifuge tube containing biological sample. — Stock Photo
    Scientist hand holding micro-centrifuge tube containing biological sample.
    Test tubes with urine samples for analysis on white background, studio shot. — Stock Photo
    Test tubes with urine samples for analysis on white background, studio shot.
    Scientist hand holding micro-centrifuge tube containing biological sample. — Stock Photo
    Scientist hand holding micro-centrifuge tube containing biological sample.
    Pipette placing sample into test tube during experiment in laboratory. — Stock Photo
    Pipette placing sample into test tube during experiment in laboratory.
    Technician hand holding blood sample ready for testing in laboratory. — Stock Photo
    Technician hand holding blood sample ready for testing in laboratory.
    Doctor preparing HIV test sample for testing in laboratory. — Stock Photo
    Doctor preparing HIV test sample for testing in laboratory.
    Close-up of antibiotic testing in petri dish. — Stock Photo
    Close-up of antibiotic testing in petri dish.
    Female Asian scientist examining plants in laboratory. — Stock Photo
    Female Asian scientist examining plants in laboratory.
    Scientist viewing medical sample on glass slide under microscope in laboratory. — Stock Photo
    Scientist viewing medical sample on glass slide under microscope in laboratory.
    Female scientist taking testing tube from tray for scientific research. — Stock Photo
    Female scientist taking testing tube from tray for scientific research.
    Testing blood sample from a multi well plate during a clinical investigation. — Stock Photo
    Testing blood sample from a multi well plate during a clinical investigation.
    Hand in latex glove holding bunch of wheat. — Stock Photo
    Hand in latex glove holding bunch of wheat.
    Scientist holding DNA sample in tube with autoradiograph on DNA gel. — Stock Photo
    Scientist holding DNA sample in tube with autoradiograph on DNA gel.
    DNA samples, autoradiogram and forensic evidence bag on blue background. — Stock Photo
    DNA samples, autoradiogram and forensic evidence bag on blue background.
    Urine sample in container for analysis, studio shot. — Stock Photo
    Urine sample in container for analysis, studio shot.
    Close-up of doctor holding prepared influenza nasal vaccine. — Stock Photo
    Close-up of doctor holding prepared influenza nasal vaccine.
    Scientists viewing sample on glass slide under light microscope. — Stock Photo
    Scientists viewing sample on glass slide under light microscope.
    Test tubes with urine samples for analysis, studio shot. — Stock Photo
    Test tubes with urine samples for analysis, studio shot.
    Mid section of scientist in laboratory mixing samples of soil with reagent. — Stock Photo
    Mid section of scientist in laboratory mixing samples of soil with reagent.
    Scientist holding meat piece with tweezers for food research. — Stock Photo
    Scientist holding meat piece with tweezers for food research.
    Scientist viewing sample on glass slide under light microscope. — Stock Photo
    Scientist viewing sample on glass slide under light microscope.
    Medical worker gloved hands holding test stick in urine sample tube. — Stock Photo
    Medical worker gloved hands holding test stick in urine sample tube.
    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 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.
    Genetics research toolkit — Stock Photo
    Genetics research toolkit
    Swab sample from inside forensic evidence bag. — Stock Photo
    Swab sample from inside forensic evidence bag.
    Close-up view of plants in test tubes. — Stock Photo
    Close-up view of plants in test tubes.
    Close-up of multichannel pipette with green liquid on multiwell plate in laboratory. — Stock Photo
    Close-up of multichannel pipette with green liquid on multiwell plate in laboratory.
    Scientist holding DNA sample in tube with autoradiograph on DNA gel. — Stock Photo
    Scientist holding DNA sample in tube with autoradiograph on DNA gel.
    Female scientist pouring dissolved soil sample into chemistry beaker. — Stock Photo
    Female scientist pouring dissolved soil sample into chemistry beaker.
    Close-up of worker examining glass product in glass factory — Stock Photo
    Close-up of worker examining glass product in glass factory
    Test tubes rack with urine samples for analysis, studio shot. — Stock Photo
    Test tubes rack with urine samples for analysis, studio shot.
    Technician hand holding blood sample ready for testing in laboratory. — Stock Photo
    Technician hand holding blood sample ready for testing in laboratory.
    Scientist holding meat piece with tweezers for food research. — Stock Photo
    Scientist holding meat piece with tweezers for food research.
    Female biologist in white coat pouring water into test tube with dissolved samples of soil in laboratory. — Stock Photo
    Female biologist in white coat pouring water into test tube with dissolved samples of soil in laboratory.
    Scientist holding samples in multi well plate during experiment in laboratory. — Stock Photo
    Scientist holding samples in multi well plate during experiment in laboratory.
    Scientists preparing glass slide with sample in laboratory. — Stock Photo
    Scientists preparing glass slide with sample in laboratory.
    Scientist viewing medical sample on glass slide under microscope in laboratory. — Stock Photo
    Scientist viewing medical sample on glass slide under microscope in laboratory.
    Close-up of human blood and various medical samples in test tubes while screening in medical lab. — Stock Photo
    Close-up of human blood and various medical samples in test tubes while screening in medical lab.
    Poppy seeds in plastic cup for agriculture research, conceptual image. — Stock Photo
    Poppy seeds in plastic cup for agriculture research, conceptual image.
    Close-up view of plants in test tubes. — Stock Photo
    Close-up view of plants in test tubes.
    Close-up of pipetting sample into multiwell plate for analysis in laboratory. — Stock Photo
    Close-up of pipetting sample into multiwell plate for analysis in laboratory.
    Scientist gloved hand holding gene chip. — Stock Photo
    Scientist gloved hand holding gene chip.
    Scientist examining young green plants in botanical laboratory. — Stock Photo
    Scientist examining young green plants in botanical laboratory.
    Male worker examining glass product in glass factory — Stock Photo
    Male worker examining glass product in glass factory
    Blood samples in a multi well plate during a clinical trial. — Stock Photo
    Blood samples in a multi well plate during a clinical trial.
    Scientists viewing sample on glass slide under light microscope. — Stock Photo
    Scientists viewing sample on glass slide under light microscope.
    Close-up of sample on red liquid in centrifuge tube. — Stock Photo
    Close-up of sample on red liquid in centrifuge tube.
    Close-up of multichannel pipette with green liquid pipetting into multiwell plate in laboratory. — Stock Photo
    Close-up of multichannel pipette with green liquid pipetting into multiwell plate in laboratory.
    Researcher using a light microscope for studying tube containing blood sample. — Stock Photo
    Researcher using a light microscope for studying tube containing blood sample.
    Hands of scientist in laboratory measuring pH of soil samples by electronic pH meter. — Stock Photo
    Hands of scientist in laboratory measuring pH of soil samples by electronic pH meter.
    Winery laboratory. A worktop — Stock Photo
    Winery laboratory. A worktop