Scientist preparing a liquid sample on a glass plate for a microscope.
Scientist placing a liquid sample with micropipette on a glass plate at the lab
Biologist scientist looking at green leaf sample under microscope
Caucasian woman scientist examining microscope
Caucasian woman scientist examining microscope
laboratory assistant man is working with analysis and samples of chemicals, applying liquid from test tube in plate
Biologist taking leaf sample putting into microscope
Biologist taking green leaf sample putting under microscope
Man research scientist looking at samples under microscope in modern equipped laboratory. Eldery doctor working with various bacteria, tissue and blood tests, pharmaceutical research for antibiotics
Botanist woman looking at test sample under microscope observing genetic mutation
Scientist examining frozen samples takes out of deep freezing in a lab
Scientist examining frozen samples takes out of deep freezing in a lab