Közelkép egy orvosi kutatási kísérletről egy színváltó folyadékot tartalmazó kémiai laborban. Egy vegyi anyag kémcsőbe öntése kék oldattal, hogy stabil reakció jöjjön létre a savról, bázisokról és lúgokról. - Stock felvétel és videó

Using Digital Dropper in Laboratory. Shot on RED Digital Cinema Camera in and scaled down to Full HD.

Hand putting test-tube with biohazardous liquid in rack, military experiments

Close-up of laboratory assistant hands working in modern Laboratory

Controlled experiment. Scaled up view on a shelf with two sets of glass test tubes containing colorful liquids and cereal plant specimen at a modern laboratory.

Mature laboratory scientist using dropper or pipette to fill test monkeypox tubes and examine chemical reactions in ultraviolet lit lab. Biochemist, genetic engineer and doctor doing medical research.

Closeup of laboratory scientist using dropper or pipette to test plants and leaves in test tubes. Botanist checking for chemical reactions during plant genetic research. Experimenting with solution.

Traveler having his temperature checked by airport staff during the covid lockdown. Airport authority screening temperature of a traveler at the airport traveling during the pandemic.

An optometrist using a microscope to examine a pair of glasses, to calibrate and configure prescription lenses. Female optician examining spectacles to correct and improve impaired vision or eyesight.

Female healthcare specialist working on a vaccine cure for a virus in a research lab. Expert with medical findings at a research facility. A african american scientist using a laptop in a laboratory.

Happy African female doctor smiling in her office during covid pandemic. Portrait of black woman healthcare scientist with a bright smile. Beautiful and joyful dentist face standing in the hospital.