Tubos de vidrio médicos vacíos para análisis de sangre en el laboratorio - Foto e imagen de stock

Scientist employs a multichannel pipette dispenser to load microplates for microbiological analysis.

Lab assistant, medical scientist, chemistry researcher holds a glass tube through a chemical test tube, does a chemical experiment and examines a patient's sample. Medicine and research concept.

Scientists are carrying blue chemical test tubes to prepare for the determination of chemical composition and biological mass in a scientific laboratory, Scientists and research in the lab Concept.

Why isnt this closed properly. Closeup of an unrecognizable scientist closing the lid on top of a test tube while doing experiments inside of a laboratory during the day

Focus on a glass pipette with a dripping reagent in a test tube on tripod, over blurred background of a chemical laboratory assistant conducting clinical analysis in the biological chemical laboratory