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Close up of cell biologist holding a flask containing stem cells, cultivated in red growth medium, to investigate disease
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Smiling student wearing safety glasses in front of test tubes in lab at college
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Cell biologist holding a flask containing stem cells, cultivated in red growth medium, to investigate diseases
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Erlenmeyer flask containing a solution of potassium permanganate (KMnO4), various flasks with transition metal salts, dry chemicals and solutions in background
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Close up of female cell biologist holding a flask containing stem cells, cultivated in red growth medium, to investigate disease
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Mature female scientist working with her tablet standing in the laboratory next to her colleagues
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Female cell biologist holding a flask containing stem cells, cultivated in red growth medium, to investigate disease
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Laboratory scientist adding a small amount of solid reagent to a container on a scale
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Two smiling students looking at blue liquid and taking notes in lab at college
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Hands of cell biologist holding a flask containing stem cells, cultivated in red growth medium, to investigate disease
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Boy and Girl wearing Safety Glasses Pouring substance into Beaker, Mannheim, Baden-Wurttemberg, Germany
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Attractive smiling student wearing safety glasses in lab in university
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Two students looking at green liquid and taking notes in lab at college
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Female cell biologist holding flask containing stem cells, cultivated in red growth medium
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Two happy students looking at blue liquid and taking notes in lab at college
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Cheerful student wearing safety glasses in front of test tubes in lab at college
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Scientist preparing sample bottles in the laboratory of water treatment plant
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Pipetting water sample and indigo solution in water treatment plant
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