Scientist preparing a liquid sample on a glass plate for a microscope.
Scientist preparing a liquid sample on a glass plate for a microscope.
Scientist examining frozen samples takes out of deep freezing in a lab
Scientist examining frozen samples takes out of deep freezing in a lab
Scientist examining frozen samples takes out of deep freezing in a lab
Scientist examining frozen samples takes out of deep freezing in a lab
Scientist doing an research work with a petri dish sample, wearing lab gloves.
Concentrated middle-aged scientist examines the chemical liquid in the flask sitting at the table in lab
laboratory assistant man is working with analysis and samples of chemicals, applying liquid from test tube in plate
Scientist injecting chemicals into test tubes. Test tube of colored liquid on the lab table in the background of the glass flasks. poured from glass pipette into test tube illuminated with blue light
Scientist injecting chemicals into test tubes. Test tube of colored liquid on the lab table in the background of the glass flasks. poured from glass pipette into test tube illuminated with blue light
Scientist injecting chemicals into test tubes. Test tube of colored liquid on the lab table in the background of the glass flasks. poured from glass pipette into test tube illuminated with blue light