Experimento controlado. Acercamiento de un investigador con guantes sosteniendo una pipeta mientras vierte una gota de un líquido químico en uno de los tubos de ensayo . - Foto e imagen de stock

For the analysis. Close up of a test sample being taken from a test tube for professional biological analysis

Biochemistry laboratory research, Scientist or medical in lab coat holding test tube with using reagent with drop of color liquid over glass equipment working at the laboratory.

Scientist with equipment holding tools during scientific experiment science concept

Analyst dripping reagent into test tube with sample at laboratory, closeup. Chemical analysis

Favorite experiment. Competent scientist wearing sterile rubber gloves and standing near her workplace while dropping reagent

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.

At the medical lab. Close up of test tubes standing in the special rack while being used for medical analysis

Biological research. Close up of test samples of new vaccine being used in biological research

Protective gloves. Professional medical worker wearing gloves while doing chemical experiment

Pink liquid. Close up of female hands being in protective gloves while working with reagents

Medical research. Selective focus of a pipette being in the laboratory workers hands while doing the research

Fuzzy photo. Competent scientist bowing head while looking downwards and holding test glasses in both hands