Concentré sur les réactifs. Scientifique positive garder le sourire sur son visage et être en uniforme tout en prenant une éprouvette avec un réactif - Photo & image de stock

Woman researcher is surrounded by medical vials and flasks, isolated on white

Medical or scientific researcher or doctor using looking at a solution in a laboratory

Let me analyze. Selective focus on a set of test tubes and hand of a female laboratory worker taking one of the tubes containing dark chemical substance.

Woman researcher is surrounded by medical vials and flasks, isolated on white background.

Woman researcher is surrounded by medical vials and flasks, isolated on white

Woman researcher is surrounded by medical vials and flasks, isolated on white background.

Glass test tubes. Smiling researcher sitting on the background and taking blue chemical agent while going to test it

Cautious person. Serious young researcher holding medical instrument in right hand looking downwards while touching support

It is mine. Delighted medical worker sitting at his workplace and bowing head while taking test tube

Chemical experiment. Selective focus on a set of test tubes containing different chemical substances and a hand of a scientist reaching for one of the tubes.

It is all about proportions. Scaled up look on a male scientist standing at a set of test tubes with chemical substances and using a pipette while pouring a drop of chemical liquid.

Collecting tubes. Attractive smiling brunette sitting at her workplace and putting right hand on the microscope while looking aside

Medical test. Serious attractive smart woman looking at the test tubes and taking vaccine samples for analysis while working in the test lab