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Portrait of confident scientist with arms crossed at laboratory. Mature male doctor is standing by bulletin board. He is in lab coat at hospital.
Portrait of confident male scientist working in medical science laboratory, provide testing services and looking at test tube
During chemistry lectures, students listen to lectures and do practical experiments in the chemistry laboratory. Portraits of professor and students, multi racial composition.
Middle aged professional scientific examining a petri dish with salmonella in microbiology laboratory. Scientific research.
Portrait of smiling scientist in modern laboratory
Senior life science research researching in modern scientific laboratory. Focused senior life science professional holding and observing the micro chip. Lens focus on the chip.
Portrait of smiling male healthcare worker with arms crossed in laboratory
Scientist doing a test in a laboratory muffle in which a sample is calcined in a ceramic crucible. Selective focus
Modern Medical Research Laboratory: Mature Male Scientist Wearing Scientist Uniform and Protective Goggles Looking at Camera, Holding Test Tube at Laboratory. Quality Control of Petrochemical Products Concept.
Modern archaeological science laboratory: Portrait of mature scientist looking at camera and holding folder while standing near shelf with boxes with fossils. Female colleague works in the background.
Scientist standing on chair after an explotion
Middle aged professional researcher examining a orange sample. Scientific research.
Senior male researcher carrying out scientific research in a modern lab, preparing chemical compounds, using microscope, scales and other high-tech laboratory equipment (shallow DOF; color toned image)
Mature scientist works in a laboratory
Research and development engineer using a computer.
Focused middle-aged Latin pharmacist waiting for color change in test tube while conducting experiment in laboratory
Concentrated Arabian scientist examining color of liquid in laboratory
Ophthalmologist preparing an innovative laser machine to treat patients with glaucoma
Male Quality Control Specialist Sampling Water From The Water Storage Tank In A Basement
Middle aged professional scientific researching on vaccines. Scientific research.
Young doctor researcher in laboratory experimenting using sample in Petri dish. Scientists working in hospital lab.
Photo of a man using lab coat working in a lab.
Serious Latin male biochemist holding tripod and examining solution in test tube for chemical reaction in research center
Portrait of confident male doctor standing in cold storage room. Smiling mature scientist is holding digital tablet in laboratory. He is in lab coat at hospital.
Scientist in front of microscope, smiling and looking at camera.
Professional male forensic scientist examines the fibers from the crime scene while holding a test tube with fibers above bunsen burner and waiting for a color change analysis in the forensic lab
Older male scientist seen working on an experiment in a laboratory using proper equipment during some biochemical research in a pharmaceutical industry.
Technician Operating a Coating Chamber
Waist up image of a grey-haired man with beard, starting a medical research, putting on his protective gloves, standing behind his desk, lab equipment in blurred foreground and background. Looking away.
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