Biological tests. Selective focus of a test sample of the liquid being used in biological research
Portrait of a female researcher doing research in a lab
A middle aged female lab assistant using digital tablet and analyzing medical datas while sitting at the microscope.
Female chemist in the laboratory of biological analysis portrait doing notes on paper results
Close up of hands of nervous student breaking pencil while passing exam
Employee of the chemical laboratory teacher chemist holds a silvery pen in his hand makes notes in the diary records test data from reactions examining test tubes with the substance arm in gloves.
Women in research laboratory talking about tests on germ samples doing eperiment
Close up of hands of nervous student breaking pencil while passing exam
A female chemist holds test tube of glass in his hand overflows liquid solution potassium permanganate conducts an analysis reaction takes various versions reagents using chemical manufacturing.
A portrait of a young surgeon chemist doctor looks at a container with a blue liquid and a mask is fought with viruses and a vaccine for vaccines against diseases.
A male chemist holds test tube of glass in his hand overflows a liquid solution of potassium permanganate conducts an analysis reaction takes various versions of reagents using chemical manufacturing
Young male Asian laboratory technician seated at his desk watching a sample complete its analysis as he performs chemical tests
A male chemist holds test tube of glass in his hand overflows a liquid solution of potassium permanganate conducts an analysis reaction takes various versions of reagents using chemical manufacturing.
A male and female technician working together in a modern chemical laboratory performing tests for medical or industrial research, analysis or quality control
A female chemist holds test tube of glass in his hand overflows liquid solution potassium permanganate conducts an analysis reaction takes various versions reagents using chemical manufacturing.
Urine vial in laboratory, toxicology or routine examination
Side view close-up of the hand of a female technician filling a plastic container with liquid substance for laboratory tests, during quality control in a cosmetics factory
Gloved hand of a laboratory technician mixing chemical solutions in a test tube on a centrifuge with another colleague standing ready with an automated pipette.
Female chemist in the laboratory of biological analysis portrait doing notes on paper results
Black woman scientist student chemist in protective goggles are conducting research using microscope for bacterial contamination of water to search for vaccine to treat diseases in medicine.
A male chemist holds test tube of glass in his hand overflows a liquid solution of potassium permanganate conducts an analysis reaction takes various versions of reagents using chemical manufacturing.
Employee chemical laboratory teacher chemist knocks his fingers keyboard makes notes electronic journal records the analysis data from reactions examining test tubes with the substance arm in gloves.
Portrait of a female researcher doing research in a lab (color toned image; shallow DOF)
Female chemist in the laboratory of biological analysis portrait doing notes on paper results
Hand of a Doctor or a laboratory technician shows rapid laboratory COVID-19 test to detect IgM and IgG antibodies to Novel Coronavirus, SARS-CoV-2 with positive result.
Laboratory assistant with urine sample for analysis writing results of tests at table indoors, closeup
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