A close-up of the hands of a lab technician who passes the test tubes with analyzes to his colleague
Black female research scientist giving his colleague test-tubes with fertilizer and then making experiments with different samples in chemistry lab.
female technician is researching analysis in lab, using test tubes with liquids and microscope, quality control at production
A serious lab technician studies test tubes with assays
Lab technician controls chemical substances in test tubes
Scientist holds test tubes with plants in his hands. Bioengineering, GMOs, research, analysis
Scientist holds test tubes with plants in his hands. Bioengineering, GMOs, research, analysis
Scientist holds test tubes with plants in his hands. Bioengineering, GMOs, research, analysis
Scientist holds test tubes with plants in his hands. Bioengineering, GMOs, research, analysis
Scientist holds test tubes with plants in his hands. Bioengineering, GMOs, research, analysis
Hand of a lab technician, pharmacist or doctor holding a test tube adding a chemical solution from a pipette during a test or experiment watched by colleagues or students
Hand of a lab technician, pharmacist or doctor holding a test tube adding a chemical solution from a pipette during a test or experiment watched by colleagues or students