5,104 images for test tube

  • 649-07118788

    Close up of 96-well microtiter plate with crystal violet solution to examine toxicity

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    Scientist examining test tube

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    Scientist scrutinizing test tubes in lab

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    Scientist scrutinizing test tubes containing blue liquid in lab

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    Close up of scientists hands selecting a blood sample for medical testing

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  • 632-08130047

    Scientist examining test tube in lab

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  • 649-07118200

    Close up of scientist pouring liquid into test tube

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  • 632-08130284

    Lab technician conducting experiment in laboratory

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    Researcher examining test tube in laboratory

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  • 649-07118789

    Close up of 96-well microtiter plate with crystal violet solution to examine toxicity

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  • 649-06844189

    Scientist and worker looking at soil samples

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  • 632-08130040

    Chemist scrutinizing test tube containing blue liquid

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  • 649-05800929

    Close up of pipette in test tube

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  • 649-07560431

    A blood sample being held with a row of human samples for analytical testing including blood, urine, chemistry, proteins, anticoagulants and HIV in lab

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  • 632-08130286

    Scientist conducting experiment in laboratory

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  • 649-05800932

    Close up of pipette in test tube

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  • 649-07710329

    Pipette dropping a solution into a vial, used for storing liquid during chemical or biological research

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  • 649-07063491

    Portrait of female scientist examining test tube

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  • 649-06844077

    Analytical chemistry - sample being pipetted into test tube for analysis in laboratory

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  • 649-06844079

    Analytical chemistry - sample being pipetted into test tube for analysis in laboratory

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  • 649-07279794

    A graduated pipette being inserted into test tube

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  • 632-08130283

    Researcher scrutinizing test tubes in laboratory

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  • 649-06844076

    Analytical chemistry - sample being pipetted into test tube for analysis in laboratory

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  • 632-08130043

    Scientist examining test tube in laboratory

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  • 649-07596079

    Scientist viewing seedling in test tubes under trial in lab

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  • 6113-07790343

    Rack of test tubes with solution on counter in lab

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  • 649-03797137

    Scientist inspects product in laboratory

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  • 649-05802198

    Sperm cells swimming to egg in tube

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  • 632-08130041

    Scientist scrutinizing test tubes in lab

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  • 6113-07589219

    Scientists examining green liquid in tube

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  • 649-06304813

    Scientist pipetting liquid in test tubes

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  • 649-06164777

    Scientist examining test tube in lab

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  • 614-06719536

    Close up of spilled vial of liquid

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  • 649-03797144

    Hand holding sample in front of monitor

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  • 649-03797135

    Male scientist in laboratory

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  • 649-07279764

    Pipetting sample into a multiwell sample tray

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  • 649-06304797

    Scientist working in lab

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  • 632-08130044

    Chemist examing test tube containing blue liquid in laboratory

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  • 6121-08522376

    Young male scientist examining test tube in a pharmacy laboratory, Freiburg im Breisgau, Baden-Württemberg, Germany

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  • 649-05800930

    Close up of test tubes

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  • 649-06164786

    Scientist using computer in lab

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  • 628-05817412

    Test tube filled with a blue liquid

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  • 649-05802383

    Scientist examining seeds in test tubes

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  • 649-08479871

    Laboratory technician preparing blood sample for medical testing in laboratory

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  • 649-07280915

    Close up studio shot of micro pipette and four test tubes

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  • 600-07156132

    Beakers with flowers and test tubes with wine for party, studio shot

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  • 632-08130048

    Researcher scrutinizing test tubes containing blue liquid in lab

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  • 600-03284193

    Red Liquid in Test Tube

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  • 600-03284200

    Green Liquid in Test Tube

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  • 649-05950510

    Dropper placing liquid into test tubes

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  • 649-06844073

    Analytical chemistry - sample being pipetted into test tube for analysis in laboratory

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  • 649-08180222

    Young woman scientist viewing blood sample during clinical testing of medical samples in a laboratory

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  • 649-06304798

    Scientist working in lab

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  • 649-07596078

    Scientist viewing seedling in test tubes under trial in lab

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  • 649-07560430

    A row of human samples for analytical testing including blood, urine, chemistry, proteins, anticoagulants and HIV

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  • 649-07596095

    Test tube filled with blood and cholesterol test form document

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  • 649-06844078

    Analytical chemistry - sample being pipetted into test tube for analysis in laboratory

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  • 614-03506862

    Colored liquids in test tubes

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  • 659-06184162

    A hand holding a test tube of washing up liquid

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  • 649-07710328

    A row of human blood and chemistry samples awaiting testing in the lab

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  • 649-06164772

    Scientist pipetting liquid in test tube

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  • 649-07761198

    Female scientist holding up plant samples in test tubes

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  • 649-07279797

    A graduated pipette being inserted into test tube

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  • 670-03734278

    Test tube

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  • 649-07064748

    Man putting vials into centrifuge

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  • 649-08126048

    Analytical chemistry, sample being pipetted into a test tube for testing in laboratory

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  • 614-06896643

    Scientist holding test tube

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  • 670-03734282

    Test tubes

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  • 649-07118198

    Close up of scientist pouring liquid from test tube

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  • 649-07596077

    Scientist viewing seedling in test tubes under trial in lab

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  • 670-03734277

    Test tubes

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  • 846-05646171

    1930s SCIENTIST CHEMIST HOLDING UP TEST TUBE VIAL BEAKER IN LABORATORY

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  • 649-07118201

    Close up of scientist pouring liquid from test tube

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  • 649-06164770

    Scientist pipetting liquid in test tube

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  • 649-06164774

    Scientist examining test tube in lab

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  • 649-07239863

    Still life with forensic equipment and preserved earth worms in container

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  • 649-07279795

    A graduated pipette being inserted into test tube

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  • 649-07436758

    Chemical lab glassware: burette over beaker, Erlenmeyer flask with stirring rod, graduated cylinder, pipette over test tube

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  • 649-07585099

    Scientist viewing various human samples for testing in the laboratory

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  • 649-07279800

    Blood tube sitting on blood results with technician at microscope in lab

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  • 614-06896631

    Scientist holding test tube with roots, close up

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  • 649-06844074

    Analytical chemistry - sample being pipetted into test tube for analysis in laboratory

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  • 859-03982326

    Colorful Liquid In Test Tubes

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  • 652-05806837

    Food products in test tubes

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  • 649-07520544

    Color coded tube containing synthetic blood sample on a bloodwork requisition form that lists a test for prostate-specific antigen (PSA)

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  • 649-06164787

    Scientist using computer in lab

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  • 649-07560485

    Laboratory scientist holding a blood sample with a upright compound microscope in the background

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  • 649-06304812

    Scientist smiling in lab

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  • 649-07585100

    Female scientist viewing various human samples for testing in the laboratory

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  • 649-07279796

    A graduated pipette being inserted into test tube

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