Test Tube
High angle view of colorful liquids in test tubes by leaf on table
Female scientist extracting dna using the spin column-based nucleic acid purification technique
Full frame shot of orange test tube
Portrait of confident students sitting in laboratory
Directly above shot of various plants in test tubes with labels on table
Scientist hands while extracting dna using the spin column-based nucleic acid purification technique
Microplastic pollution research
Scientist performing a flow cytometric analysis in the laboratory. flow cytometer.
Close-up of pipette dripping liquid into test tube
Pharmaceutical laboratory equipments
Closeup of a scientist hand placing a tube into an small table centrifuge.
Close-up of multi colored hourglass
Cropped hands of scientist using syringe at laboratory
Cropped hand of doctor examining boy
Close-up of test tubes on rack at table
Close-up of scientist holding test tube against white background
Portrait of mid adult man holding camera
Cropped hand of scientist holding chemical in flask
Nurse collecting a blood sample from a male patient in a clinic
Table centrifuge filled with tubes. spin column-based nucleic acid purification technique.
Boy wearing lap coat while standing in classroom
High angle view of chemical being poured in test tube at laboratory
Midsection of scientist working in laboratory
Close-up of samples in test tube rack
Close-up of chemical dripping in test tube at laboratory
Double exposure of test tubes and illuminated lights
Scientist working at laboratory
Protective eyewear and test tubes on white background
Cropped hands of scientist experimenting at laboratory
Scientist working at the laboratory with a thermal cycler. polymerase chain reaction technique.
Cute boy blowing bubbles in classroom
Close-up of container with pills on table
Close-up of containers on rack
Female scientist working in laboratory
Bioscience research in a laboratory
Midsection of scientist pouring chemical in test tube from beaker against black background
In a laboratory
Close-up of doctor wearing mask holding test tube against gray background
Scientist examining chemical in laboratory
Cropped hand of nurse holding medical equipment
Midsection of doctor holding syringe
Biology science for plant regeneration.in vitro plant growth under controlled and sterile conditions
Close-up of glass jar on table against white background
The hand holds a test tube with blood.
Cropped image of scientists working at laboratory
Close-up of young woman looking at mirror with reflection against wall
Close-up of pipette on test tubes
Male scientist working in laboratory
Close up of red liquid in test tubes in laboratory
Close-up of hands working
Close-up of multi colored containers in kitchen
Close-up of female scientist working in laboratory
Closeup of a scientist closing an small table centrifuge filled with tubes.
Boy wearing lap coat while standing in classroom
Female dentist examining patient in laboratory
Measuring beakers on table in laboratory
Cropped hand of chemist experimenting at lab
Man and woman performing experiment in laboratory
Close-up of test tubes in rack on table
Portrait of cute boy standing against blackboard in classroom
Digital composite image of scientist holding test tubes at laboratory
Closeup of an asian woman scientist checking glass flask of an experiment in the laboratory
Close-up of multi colored hourglass on table
Midsection of woman working
Portrait of happy boy in test tube
Portrait of a man working with smart phone
Nurse disinfecting a patient's arm before taking a blood sample
Test tubes at a thermal cycler block in a molecular biology laboratory. polymerase chain reaction
Portrait of young woman
Close-up of multi colored test tubes
Boy is engaged in scientific research. a child with a test tube and a pipette in his hands.
Full length of young woman standing against wall
Boy wearing lap coat while sitting in classroom
Close-up of test tube
Portrait of woman holding beaker by test tube rack on table
Portrait of woman looking at camera
Embrace new year's spirit with cannabis leaf, test tubes, and cbd oil capsules on red background
Pharmacology research
Close-up of roasted coffee beans in test tubes
Close-up of chemical in test tubes
Test tubes and beakers with colorful liquids in laboratory
Close-up of objects against blue background
Cropped hand of scientist holding chemicals in test tubes
Male scientist working in laboratory
Midsection of scientist holding dentures against white background
Close-up of piggy bank with blood samples on table
Close-up of test tube
Close-up of liquids in test tubes on rack in laboratory
Cropped hand of scientist holding test tube
Man performing experiment in laboratory
Close-up of test tubes at laboratory
Scientist loading samples to a rt-pcr thermal cycler at the laboratory.
Scientist loading a test tube containing a patient sample on the flow cytometer for analysis.
Close-up of chemical in laboratory glassware
Closeup of a test tube with blood sample been hold by a female in a clinical laboratory
Close-up of stones and seashells in container at beach
Blood donation, blood transfusion, blood sampling.
Scientist working at laboratory against window
Scientist working in laboratory
Man performing experiment in laboratory