4,543 images for test tube

  • Close up of 96-well microtiter plate with crystal violet solution to examine toxicity Stock Photo - Premium Royalty-Free, Code: 649-07118788

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

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  • Scientist examining test tube Stock Photo - Premium Royalty-Free, Code: 632-08130287

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    Scientist examining test tube

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  • Scientist scrutinizing test tubes in lab Stock Photo - Premium Royalty-Free, Code: 632-08130046

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    Scientist scrutinizing test tubes in lab

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  • Scientist scrutinizing test tubes containing blue liquid in lab Stock Photo - Premium Royalty-Free, Code: 632-08130042

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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 Stock Photo - Premium Royalty-Free, Code: 649-08086465

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

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  • Scientist examining test tube in lab Stock Photo - Premium Royalty-Free, Code: 632-08130047

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    Scientist examining test tube in lab

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  • Close up of scientist pouring liquid into test tube Stock Photo - Premium Royalty-Free, Code: 649-07118200

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    Close up of scientist pouring liquid into test tube

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  • Lab technician conducting experiment in laboratory Stock Photo - Premium Royalty-Free, Code: 632-08130284

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    Lab technician conducting experiment in laboratory

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  • Researcher examining test tube in laboratory Stock Photo - Premium Royalty-Free, Code: 632-08130045

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    Researcher examining test tube in laboratory

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  • Close up of 96-well microtiter plate with crystal violet solution to examine toxicity Stock Photo - Premium Royalty-Free, Code: 649-07118789

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

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  • Scientist and worker looking at soil samples Stock Photo - Premium Royalty-Free, Code: 649-06844189

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    Scientist and worker looking at soil samples

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  • Chemist scrutinizing test tube containing blue liquid Stock Photo - Premium Royalty-Free, Code: 632-08130040

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    Chemist scrutinizing test tube containing blue liquid

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  • Close up of pipette in test tube Stock Photo - Premium Royalty-Free, Code: 649-05800929

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    Close up of pipette in test tube

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  • A blood sample being held with a row of human samples for analytical testing including blood, urine, chemistry, proteins, anticoagulants and HIV in lab Stock Photo - Premium Royalty-Free, Code: 649-07560431

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    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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  • Scientist conducting experiment in laboratory Stock Photo - Premium Royalty-Free, Code: 632-08130286

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    Scientist conducting experiment in laboratory

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  • Close up of pipette in test tube Stock Photo - Premium Royalty-Free, Code: 649-05800932

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    Close up of pipette in test tube

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  • Pipette dropping a solution into a vial, used for storing liquid during chemical or biological research Stock Photo - Premium Royalty-Free, Code: 649-07710329

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

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  • Portrait of female scientist examining test tube Stock Photo - Premium Royalty-Free, Code: 649-07063491

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    Portrait of female scientist examining test tube

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  • Analytical chemistry - sample being pipetted into test tube for analysis in laboratory Stock Photo - Premium Royalty-Free, Code: 649-06844077

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

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  • Analytical chemistry - sample being pipetted into test tube for analysis in laboratory Stock Photo - Premium Royalty-Free, Code: 649-06844079

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

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  • A graduated pipette being inserted into test tube Stock Photo - Premium Royalty-Free, Code: 649-07279794

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    A graduated pipette being inserted into test tube

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  • Researcher scrutinizing test tubes in laboratory Stock Photo - Premium Royalty-Free, Code: 632-08130283

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    Researcher scrutinizing test tubes in laboratory

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  • Analytical chemistry - sample being pipetted into test tube for analysis in laboratory Stock Photo - Premium Royalty-Free, Code: 649-06844076

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

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  • Scientist examining test tube in laboratory Stock Photo - Premium Royalty-Free, Code: 632-08130043

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    Scientist examining test tube in laboratory

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  • Scientist viewing seedling in test tubes under trial in lab Stock Photo - Premium Royalty-Free, Code: 649-07596079

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    Scientist viewing seedling in test tubes under trial in lab

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  • Rack of test tubes with solution on counter in lab Stock Photo - Premium Royalty-Free, Code: 6113-07790343

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    Rack of test tubes with solution on counter in lab

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  • Sperm cells swimming to egg in tube Stock Photo - Premium Royalty-Free, Code: 649-05802198

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    Sperm cells swimming to egg in tube

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  • Scientist scrutinizing test tubes in lab Stock Photo - Premium Royalty-Free, Code: 632-08130041

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    Scientist scrutinizing test tubes in lab

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  • Scientists examining green liquid in tube Stock Photo - Premium Royalty-Free, Code: 6113-07589219

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    Scientists examining green liquid in tube

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  • Scientist examining test tube in lab Stock Photo - Premium Royalty-Free, Code: 649-06164777

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    Scientist examining test tube in lab

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  • Close up of spilled vial of liquid Stock Photo - Premium Royalty-Free, Code: 614-06719536

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    Close up of spilled vial of liquid

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  • Pipetting sample into a multiwell sample tray Stock Photo - Premium Royalty-Free, Code: 649-07279764

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    Pipetting sample into a multiwell sample tray

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  • Chemist examing test tube containing blue liquid in laboratory Stock Photo - Premium Royalty-Free, Code: 632-08130044

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    Chemist examing test tube containing blue liquid in laboratory

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  • Close up of test tubes Stock Photo - Premium Royalty-Free, Code: 649-05800930

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    Close up of test tubes

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  • Scientist using computer in lab Stock Photo - Premium Royalty-Free, Code: 649-06164786

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    Scientist using computer in lab

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  • Test tube filled with a blue liquid Stock Photo - Premium Royalty-Free, Code: 628-05817412

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    Test tube filled with a blue liquid

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  • Scientist examining seeds in test tubes Stock Photo - Premium Royalty-Free, Code: 649-05802383

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    Scientist examining seeds in test tubes

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  • Laboratory technician preparing blood sample for medical testing in laboratory Stock Photo - Premium Royalty-Free, Code: 649-08479871

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    Laboratory technician preparing blood sample for medical testing in laboratory

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  • Close up studio shot of micro pipette and four test tubes Stock Photo - Premium Royalty-Free, Code: 649-07280915

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    Close up studio shot of micro pipette and four test tubes

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  • Beakers with flowers and test tubes with wine for party, studio shot Stock Photo - Premium Royalty-Free, Code: 600-07156132

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

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  • Researcher scrutinizing test tubes containing blue liquid in lab Stock Photo - Premium Royalty-Free, Code: 632-08130048

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    Researcher scrutinizing test tubes containing blue liquid in lab

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  • Red Liquid in Test Tube Stock Photo - Premium Royalty-Free, Code: 600-03284193

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    Red Liquid in Test Tube

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  • Green Liquid in Test Tube Stock Photo - Premium Royalty-Free, Code: 600-03284200

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    Green Liquid in Test Tube

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  • Dropper placing liquid into test tubes Stock Photo - Premium Royalty-Free, Code: 649-05950510

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    Dropper placing liquid into test tubes

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  • Analytical chemistry - sample being pipetted into test tube for analysis in laboratory Stock Photo - Premium Royalty-Free, Code: 649-06844073

    649-06844073

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

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  • Scientist viewing seedling in test tubes under trial in lab Stock Photo - Premium Royalty-Free, Code: 649-07596078

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    Scientist viewing seedling in test tubes under trial in lab

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  • A row of human samples for analytical testing including blood, urine, chemistry, proteins, anticoagulants and HIV Stock Photo - Premium Royalty-Free, Code: 649-07560430

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

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  • Test tube filled with blood and cholesterol test form document Stock Photo - Premium Royalty-Free, Code: 649-07596095

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    Test tube filled with blood and cholesterol test form document

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  • Analytical chemistry - sample being pipetted into test tube for analysis in laboratory Stock Photo - Premium Royalty-Free, Code: 649-06844078

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

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  • Colored liquids in test tubes Stock Photo - Premium Royalty-Free, Code: 614-03506862

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    Colored liquids in test tubes

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  • A hand holding a test tube of washing up liquid Stock Photo - Premium Royalty-Free, Code: 659-06184162

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    A hand holding a test tube of washing up liquid

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  • A row of human blood and chemistry samples awaiting testing in the lab Stock Photo - Premium Royalty-Free, Code: 649-07710328

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

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  • Scientist pipetting liquid in test tube Stock Photo - Premium Royalty-Free, Code: 649-06164772

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    Scientist pipetting liquid in test tube

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  • Female scientist holding up plant samples in test tubes Stock Photo - Premium Royalty-Free, Code: 649-07761198

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    Female scientist holding up plant samples in test tubes

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  • A graduated pipette being inserted into test tube Stock Photo - Premium Royalty-Free, Code: 649-07279797

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    A graduated pipette being inserted into test tube

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  • Test tube Stock Photo - Premium Royalty-Free, Code: 670-03734278

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    Test tube

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  • Man putting vials into centrifuge Stock Photo - Premium Royalty-Free, Code: 649-07064748

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    Man putting vials into centrifuge

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  • Analytical chemistry, sample being pipetted into a test tube for testing in laboratory Stock Photo - Premium Royalty-Free, Code: 649-08126048

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

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  • Scientist holding test tube Stock Photo - Premium Royalty-Free, Code: 614-06896643

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    Scientist holding test tube

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  • Test tubes Stock Photo - Premium Royalty-Free, Code: 670-03734282

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    Test tubes

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  • Close up of scientist pouring liquid from test tube Stock Photo - Premium Royalty-Free, Code: 649-07118198

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    Close up of scientist pouring liquid from test tube

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  • Scientist viewing seedling in test tubes under trial in lab Stock Photo - Premium Royalty-Free, Code: 649-07596077

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    Scientist viewing seedling in test tubes under trial in lab

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  • Test tubes Stock Photo - Premium Royalty-Free, Code: 670-03734277

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    Test tubes

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  • 1930s SCIENTIST CHEMIST HOLDING UP TEST TUBE VIAL BEAKER IN LABORATORY Stock Photo - Rights-Managed, Code: 846-05646171

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

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  • Close up of scientist pouring liquid from test tube Stock Photo - Premium Royalty-Free, Code: 649-07118201

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    Close up of scientist pouring liquid from test tube

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  • Scientist pipetting liquid in test tube Stock Photo - Premium Royalty-Free, Code: 649-06164770

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    Scientist pipetting liquid in test tube

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  • Scientist examining test tube in lab Stock Photo - Premium Royalty-Free, Code: 649-06164774

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    Scientist examining test tube in lab

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  • Still life with forensic equipment and preserved earth worms in container Stock Photo - Premium Royalty-Free, Code: 649-07239863

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    Still life with forensic equipment and preserved earth worms in container

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  • A graduated pipette being inserted into test tube Stock Photo - Premium Royalty-Free, Code: 649-07279795

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    A graduated pipette being inserted into test tube

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  • Chemical lab glassware: burette over beaker, Erlenmeyer flask with stirring rod, graduated cylinder, pipette over test tube Stock Photo - Premium Royalty-Free, Code: 649-07436758

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

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  • Scientist viewing various human samples for testing in the laboratory Stock Photo - Premium Royalty-Free, Code: 649-07585099

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    Scientist viewing various human samples for testing in the laboratory

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  • Blood tube sitting on blood results with technician at microscope in lab Stock Photo - Premium Royalty-Free, Code: 649-07279800

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

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  • Scientist holding test tube with roots, close up Stock Photo - Premium Royalty-Free, Code: 614-06896631

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    Scientist holding test tube with roots, close up

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  • Analytical chemistry - sample being pipetted into test tube for analysis in laboratory Stock Photo - Premium Royalty-Free, Code: 649-06844074

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

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  • Colorful Liquid In Test Tubes Stock Photo - Rights-Managed, Code: 859-03982326

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    Colorful Liquid In Test Tubes

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  • Food products in test tubes Stock Photo - Premium Royalty-Free, Code: 652-05806837

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    Food products in test tubes

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  • Color coded tube containing synthetic blood sample on a bloodwork requisition form that lists a test for prostate-specific antigen (PSA) Stock Photo - Premium Royalty-Free, Code: 649-07520544

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    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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  • Scientist using computer in lab Stock Photo - Premium Royalty-Free, Code: 649-06164787

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    Scientist using computer in lab

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  • Laboratory scientist holding a blood sample with a upright compound microscope in the background Stock Photo - Premium Royalty-Free, Code: 649-07560485

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

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  • Female scientist viewing various human samples for testing in the laboratory Stock Photo - Premium Royalty-Free, Code: 649-07585100

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    Female scientist viewing various human samples for testing in the laboratory

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  • A graduated pipette being inserted into test tube Stock Photo - Premium Royalty-Free, Code: 649-07279796

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    A graduated pipette being inserted into test tube

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  • Close up of green liquid in test tubes Stock Photo - Premium Royalty-Free, Code: 6113-07589174

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    Close up of green liquid in test tubes

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  • Boy wearing Safety Glasses with Test Tubes, Mannheim, Baden-Wurttemberg, Germany Stock Photo - Premium Royalty-Free, Code: 600-06486449

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    Boy wearing Safety Glasses with Test Tubes, Mannheim, Baden-Wurttemberg, Germany

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  • Scientist holding syringe in lab Stock Photo - Premium Royalty-Free, Code: 649-05802202

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    Scientist holding syringe in lab

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  • Seedling In Test Tube Stock Photo - Rights-Managed, Code: 859-03982315

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    Seedling In Test Tube

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  • Dropper over test tube Stock Photo - Premium Royalty-Free, Code: 640-03261495

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    Dropper over test tube

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  • Close up of 96-well microtiter plate with crystal violet solution to examine toxicity Stock Photo - Premium Royalty-Free, Code: 649-07118792

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

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  • Scientist examining a plant in test tube Stock Photo - Premium Royalty-Free, Code: 630-03480952

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    Scientist examining a plant in test tube

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  • Still life with objects to collect forensic evidence Stock Photo - Premium Royalty-Free, Code: 649-07239862

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    Still life with objects to collect forensic evidence

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  • Scientist Holding Test Tube Stock Photo - Rights-Managed, Code: 859-03982256

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    Scientist Holding Test Tube

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