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    Liquid samples in quartz cuvettes containers. — Stock Photo
    Liquid samples in quartz cuvettes containers.
    Molecular model of hormone cortisol and digital illustration of adrenal gland. — Stock Photo
    Molecular model of hormone cortisol and digital illustration of adrenal gland.
    Laboratory worker pipetting liquid into microcentrifuge tube. — Stock Photo
    Laboratory worker pipetting liquid into microcentrifuge tube.
    Female scientist holding blood sample by microscope in laboratory. — Stock Photo
    Female scientist holding blood sample by microscope in laboratory.
    Scientist pouring reagents with pipette to flasks while experiment — Stock Photo
    Scientist pouring reagents with pipette to flasks while experiment
    Close-up of microcentrifuge tubes with blood samples. — Stock Photo
    Close-up of microcentrifuge tubes with blood samples.
    Scientist hand holding micro-centrifuge tube containing biological sample. — Stock Photo
    Scientist hand holding micro-centrifuge tube containing biological sample.
    Test tubes with red liquid in rack. — Stock Photo
    Test tubes with red liquid in rack.
    Scientist viewing medical sample on glass slide under microscope in laboratory. — Stock Photo
    Scientist viewing medical sample on glass slide under microscope in laboratory.
    Unzipped DNA molecule — Stock Photo
    Unzipped DNA molecule
    Female scientists working in laboratory with microscope. — Stock Photo
    Female scientists working in laboratory with microscope.
    Genetic engineering, illustration. Synthetic small-ribonucleic acid (sRNA) being injected (needle tip at upper right) into the cell cytoplasm as part of a process of genetic engineering — Stock Photo
    Genetic engineering, illustration. Synthetic small-ribonucleic acid (sRNA) being injected (needle tip at upper right) into the cell cytoplasm as part of a process of genetic engineering
    Molecular model of hormone cortisol and digital illustration of adrenal gland. — Stock Photo
    Molecular model of hormone cortisol and digital illustration of adrenal gland.
    Scientist gloved hands holding micro-petri dishes. — Stock Photo
    Scientist gloved hands holding micro-petri dishes.
    Glass phial with blood sample. — Stock Photo
    Glass phial with blood sample.
    Deoxyribonucleic acid molecule composition and structure — Stock Photo
    Deoxyribonucleic acid molecule composition and structure
    Scientist closing lid of vial while laboratory testing. — Stock Photo
    Scientist closing lid of vial while laboratory testing.
    Colorful Eppendorf tubes in rack on white background. — Stock Photo
    Colorful Eppendorf tubes in rack on white background.
    Female lab assistant using pipette, close-up. — Stock Photo
    Female lab assistant using pipette, close-up.
    Close-up of hands using equipment in laboratory. — Stock Photo
    Close-up of hands using equipment in laboratory.
    Close-up of DNA autoradiogram with flasks in background. — Stock Photo
    Close-up of DNA autoradiogram with flasks in background.
    Female scientist examining sample from culture in Petri dish. — Stock Photo
    Female scientist examining sample from culture in Petri dish.
    Stem cell cultures on weighed in laboratory. — Stock Photo
    Stem cell cultures on weighed in laboratory.
    Antibodies proteins particles — Stock Photo
    Antibodies proteins particles
    Female researcher with micro pipette sampling into test tube. — Stock Photo
    Female researcher with micro pipette sampling into test tube.
    Close-up view of tweezers holding dna autoradiogram. — Stock Photo
    Close-up view of tweezers holding dna autoradiogram.
    Scientist using microscope in laboratory — Stock Photo
    Scientist using microscope in laboratory
    Scientists in protective clothing working in laboratory. — Stock Photo
    Scientists in protective clothing working in laboratory.
    Close-up of drop of red liquid pipetted into multi-well sample tray. — Stock Photo
    Close-up of drop of red liquid pipetted into multi-well sample tray.
    Activation of Ras proteins, digital illustration. — Stock Photo
    Activation of Ras proteins, digital illustration.
    Male scientist in clean suit studying vial in laboratory — Stock Photo
    Male scientist in clean suit studying vial in laboratory
    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
    Pipette dropping liquid to vials. — Stock Photo
    Pipette dropping liquid to vials.
    Biotechnology or biotech, concept of creation, division and cellular development. High organic technology with productive purposes — Stock Photo
    Biotechnology or biotech, concept of creation, division and cellular development. High organic technology with productive purposes
    Female scientist researching sample in petri dish under light microscope. — Stock Photo
    Female scientist researching sample in petri dish under light microscope.
    Illustration of accentuated red parathyroid glands behind thyroid gland and molecules of parathyroid hormone. — Stock Photo
    Illustration of accentuated red parathyroid glands behind thyroid gland and molecules of parathyroid hormone.
    Female laboratory assistant using pipette. — Stock Photo
    Female laboratory assistant using pipette.
    High angle of blue capsule of pharmaceutical medicinal product placed on bright yellow background — Stock Photo
    High angle of blue capsule of pharmaceutical medicinal product placed on bright yellow background
    Female scientist in white coat taking notes in soil testing laboratory. — Stock Photo
    Female scientist in white coat taking notes in soil testing laboratory.
    Molecules of thyroid hormones triiodothyronine T3 and thyroxine T4 in human body, digital illustration. — Stock Photo
    Molecules of thyroid hormones triiodothyronine T3 and thyroxine T4 in human body, digital illustration.
    Medical testing microscopes and equipment in laboratory. — Stock Photo
    Medical testing microscopes and equipment in laboratory.
    Pile of filled medical tesing tubes — Stock Photo
    Pile of filled medical tesing tubes
    Female scientist working with test tube — Stock Photo
    Female scientist working with test tube
    Colored DNA molecule damage on white background, genetic disorder conceptual illustration. — Stock Photo
    Colored DNA molecule damage on white background, genetic disorder conceptual illustration.
    Overhead view of pipettes in Pipetting plate in laboratory — Stock Photo
    Overhead view of pipettes in Pipetting plate in laboratory
    Digital illustration showing structure of double stranded DNA molecules. — Stock Photo
    Digital illustration showing structure of double stranded DNA molecules.
    Technician placing solid phase extraction columns on stand. — Stock Photo
    Technician placing solid phase extraction columns on stand.
    Migraine therapy and CGRP receptor, illustration. — Stock Photo
    Migraine therapy and CGRP receptor, illustration.
    Micropipette pipetting blood sample into Petri dishes. — Stock Photo
    Micropipette pipetting blood sample into Petri dishes.
    Cell cultures under microscope in laboratory. — Stock Photo
    Cell cultures under microscope in laboratory.
    Close-up of bar-coded agar plates for biological research. — Stock Photo
    Close-up of bar-coded agar plates for biological research.
    Molecular model of metalloproteinase snake venom from diamondback rattlesnake. — Stock Photo
    Molecular model of metalloproteinase snake venom from diamondback rattlesnake.
    Scientists viewing sample on glass slide under light microscope. — Stock Photo
    Scientists viewing sample on glass slide under light microscope.
    Cell membrane structure, digital illustration. — Stock Photo
    Cell membrane structure, digital illustration.
    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.
    Close-up of hands of scientist placing slide with human sample under light microscope for medical testing. — Stock Photo
    Close-up of hands of scientist placing slide with human sample under light microscope for medical testing.
    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.
    Red interleukin cells binding to blue receptor, digital illustration. — Stock Photo
    Red interleukin cells binding to blue receptor, digital illustration.
    Tubes for biological test in rack on blue background. — Stock Photo
    Tubes for biological test in rack on blue background.
    Conceptual image of polyomavirus cells — Stock Photo
    Conceptual image of polyomavirus cells