7,978 images for test tube

  • 649-07118788

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

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  • 632-08130287

    Scientist examining test tube

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  • 632-08130042

    Scientist scrutinizing test tubes containing blue liquid in lab

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  • 632-08130046

    Scientist scrutinizing test tubes in lab

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  • 632-08130047

    Scientist examining test tube in lab

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  • 649-07118789

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

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  • 6117-08558241

    Serious scientist examining specimen in laboratory

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  • 649-08086465

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

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  • 632-08130040

    Chemist scrutinizing test tube containing blue liquid

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  • 632-08130284

    Lab technician conducting experiment in laboratory

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  • 649-05800929

    Close up of pipette in test tube

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  • 679-06671867

    Medical test tube with blood samples, computer artwork.

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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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  • 679-07608190

    Blood testing equipment.

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  • 6117-08514918

    Scientist analyzing chemical solution in test tube

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  • 679-08426051

    Scientist holding a multiwell plate containing samples for analytical testing in a laboratory.

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  • 649-06844077

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

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  • 6117-07586988

    School girls conducting experiment in science classroom

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  • 679-07608192

    Blood samples in test tube rack.

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  • 679-08228380

    Blood samples in tubes to test for HIV (human immunodeficiency virus), computer illustration.

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  • 649-06844079

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

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  • 632-08130283

    Researcher scrutinizing test tubes in laboratory

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  • 679-08424936

    Test tube with contaminated blood, illustration.

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  • 649-06844076

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

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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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  • 649-06844189

    Scientist and worker looking at soil samples

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  • 679-07608187

    Vials of blood samples.

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  • 679-08426048

    Graduated pipette placing a sample into test tubes in a laboratory.

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  • 632-08130045

    Researcher examining test tube in laboratory

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  • 649-07063491

    Portrait of female scientist examining test tube

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  • 632-08130043

    Scientist examining test tube in laboratory

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  • 649-07279794

    A graduated pipette being inserted into test tube

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  • 649-07596079

    Scientist viewing seedling in test tubes under trial in lab

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  • 679-07604793

    Test tubes.

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  • 649-03797137

    Scientist inspects product in laboratory

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  • 679-06198282

    Pipetting liquid into a test tube.

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  • 6113-07790343

    Rack of test tubes with solution on counter in lab

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  • 649-05802198

    Sperm cells swimming to egg in tube

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  • 613-07673879

    Chemical experiment

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  • 6113-07589219

    Scientists examining green liquid in tube

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  • 632-08130041

    Scientist scrutinizing test tubes in lab

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  • 641-07197059

    Germany, Brandenburg, Boy researching with chemical

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  • 679-06671868

    Medical test tube with blood samples, computer artwork.

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  • 649-06304813

    Scientist pipetting liquid in test tubes

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  • 679-08519273

    Blood samples in vacutainer tubes against a blue background.

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  • 679-07608222

    Pipette, petri dishes and microtubes used for blood testing.

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  • 679-07608193

    Multi pipette dripping blood samples into vials.

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  • 649-06164777

    Scientist examining test tube in lab

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  • 679-05992355

    Haematology lab.

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  • 653-08276617

    Boy concentrating on school science project at table

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  • 653-08276584

    Happy boy holding test tube at home

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  • 653-08276626

    Boy looking at test tube while doing science experiment at home

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  • 679-05992357

    Biological research.

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  • 649-03797144

    Hand holding sample in front of monitor

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  • 614-06719536

    Close up of spilled vial of liquid

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  • 649-03797135

    Male scientist in laboratory

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  • 679-05797611

    Biological research

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  • 875-06571767

    Sample Analaysing

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  • 6117-08558201

    Scientist conducting scientific experiment in GMO laboratory

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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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  • 649-07279764

    Pipetting sample into a multiwell sample tray

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  • 641-07742878

    Two pupils doing chemical experiment

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  • 679-05797591

    Genetic research

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  • 641-08069261

    Scientist working behind door

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  • 641-06975250

    Germany, Human hand holding test tube with blue liquid

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  • 649-07118201

    Close up of scientist pouring liquid from test tube

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  • 641-07742873

    Female pupil holding glass with green reagent

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  • 649-05800930

    Close up of test tubes

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  • 679-07606964

    Blood sample.

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  • 679-07608257

    Pipette and drop of blood with microtubes.

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  • 641-06321630

    Germany, Bavaria, Munich, Scientist holding red liquid in test tube for medical research in laboratory

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  • 649-07118200

    Close up of scientist pouring liquid into test tube

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  • 632-08130048

    Researcher scrutinizing test tubes containing blue liquid in lab

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  • 649-08479871

    Laboratory technician preparing blood sample for medical testing in laboratory

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  • 628-05817412

    Test tube filled with a blue liquid

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  • 641-06678403

    Germany, Bavaria, Munich, Scientist researching blood in laboratory

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  • 614-06896643

    Scientist holding test tube

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  • 635-05550759

    Scientist in mask examining liquid in test tube

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  • 649-05802383

    Scientist examining seeds in test tubes

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  • 649-06304797

    Scientist working in lab

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  • 635-05550967

    Scientist putting liquid in test tubes in lab

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  • 679-07607008

    Water sample for testing.

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  • 649-06164786

    Scientist using computer in lab

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  • 600-03284193

    Red Liquid in Test Tube

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  • 600-07156132

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

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  • 649-07280915

    Close up studio shot of micro pipette and four test tubes

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  • 619-06670439

    Mixed race student working in chemistry lab

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