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Micropipette dropping liquid into Petri dish

Micropipette and Eppendorf microcentrifuge tubes, DNA sequencing in background

Micropipette and small beaker, DNA sequencing in background

Graduated pipette dropping liquid into Erlenmeyer flask

Pipette dropping a solution into a vial, used for storing liquid during chemical or biological research

Precision micropipette transferring liquid into test tube

Still life of micropipette pipetting liquid into microcentrifuge tube

Stem cell research, nuclear transfer of embryonic stem cells from petri dish used in cloning for medical research

Close up of 96-well microtiter plate with crystal violet solution to examine toxicity

Biotechnology research. A precision micropipette is used to transfer a small amount of liquid to a test tube with a green leaf. Out-of-focus laboratory glassware

DNA sample being pipetted into petri dish with DNA gel in background

DNA sample being pipetted into petri dish with DNA gel in background

DNA sample being pipetted into petri dish with DNA gel in background

Close up of 96-well microtiter plate with crystal violet solution to examine toxicity

Stem cell research, nuclear transfer of embryonic stem cells used in cloning for medical research

Pipetting sample into multi well tray

Pipetting sample into multi well tray

Sample being pipetted into petri dish for analysis in laboratory

Micro pipette injecting cells in dish

Micro pipette injecting cells in dish

Micro pipette injecting cells in dish

Analytical chemistry - sample being pipetted into test tube for analysis in laboratory

Analytical chemistry - sample being pipetted into test tube for analysis in laboratory

Analytical chemistry - sample being pipetted into test tube for analysis in laboratory

Analytical chemistry - sample being pipetted into test tube for analysis in laboratory

Analytical chemistry - sample being pipetted into test tube for analysis in laboratory

Pipetting coloured liquid into petri dishes

Pipetting of sample into Petri dish

Pipetting of sample into Petri dish

Pipetting of sample into Petri dish

Pipetting of sample into Petri dish

A precision micropipette is used to transfer cell culture medium (DMEM) to a multi-well plate

Eppendorf microcentrifuge tubes, DNA sequencing in background

DNA sample being pipetted into multi well plate with DNA gel below

DNA sample being pipetted into multi well plate with DNA gel below

Pipette being used to add sample to a petri dish during an experiment in the laboratory

Genetic Research, A human sample being pipetted into a petri dish for genetic analysis sitting on DNA sequence

Genetic Research, A human sample being pipetted into a petri dish for genetic analysis sitting on DNA sequence

Pipetting DNA sample into microcentrifuge tubes

Overhead view of pipetting DNA sample into microcentrifuge tubes

Pipette transferring solution into petri dish

Pipette transferring solution into petri dish

Pipette transferring green colour solution into petri dish

Elements used to develop a new drug

Elements used to develop a new drug

Cropped view of graduated pipette pipetting liquid into test tubes

High angle cropped view of graduated pipette pipetting liquid into test tubes

High angle cropped view of graduated pipette pipetting liquid into test tubes

Pipette transferring solution into petri dish in laboratory

A precision micropipette is used to transfer cell culture medium (DMEM) to a multi-well plate

Model of DNA molecule, DNA sequencing in background

Testing samples in petri dish

Chemistry research. A pipette transferring liquid to a beaker and a ball-and-stick molecular model

Genetic Research, A human sample being pipetted into a multi well plate for genetic analysis sitting on DNA sequence

Genetic Research, A human sample being pipetted into a multi well plate for genetic analysis sitting on DNA sequence

Pipetting DNA sample collected from crime scene into vial for forensic testing in laboratory

DNA sample in multi well plate with DNA gel below

Pipette dropping liquid in clear jars

Pipette dropping liquid in clear jars

Test tubes in a rack, with one test tube containing green solution

Pipetting sample into vial for testing in the laboratory

Pipetting sample into vial for testing in the laboratory

Pipetting sample into vial for testing in the laboratory

Exchanging solution from pipette to petri dish in laboratory

Laboratory glassware and molecular structure sitting on a lab bench during a experiment

A precision micropipette is used to transfer a small amount of red solution to a multi-well plate

A precision micropipette is used to transfer a small amount of red solution to a multi-well plate

Pipetting droplets of liquid into multiwell dish

Scientist pipetting sample

Scientist pipetting sample

Scientist pipetting sample

Scientist pipetting sample

Pipetting droplets of liquid into multiwell dish, high angle view

Eppendorf tubes in a row with petri dishes awaiting experiment in lab

Pipetting drops of liquid into eppendorf tubes, high angle view

Pipetting drops of liquid into eppendorf tubes, side view

Close up of fish oil capsules in petri dish

Scientist pipetting sample into eppendorf vial during experiment in laboratory

Scientist pipetting sample into eppendorf vial during experiment in laboratory

Close up of graduated pipette and laboratory flask

Disposable plastic medical syringe dropping synthetic blood into microcentrifuge tube

Pipette, vials and samples on laboratory table

Pipetting samples into multi-well dish in laboratory

Pipetting samples into multi-well dish in laboratory

Samples in microplate being tested in laboratory

Multichannel pipette

DNA sample being pipetted onto human fingerprint and DNA gel illustrating genetic engineering

Pipetting: A pipette is used to transfer a small amount of liquid to a Petri dish

Analytical chemistry, sample being pipetted into a test tube for testing in laboratory

Sample in eppendorf vial during experiment in laboratory

Pipetting experimental chemical into laboratory seedling tray

Pipetting red liquid into a petri dish

Pipetting red liquid into a petri dish

Close up of pipetting experimental chemical into laboratory seedling tray

Test tube containing liquid with computer monitor displaying results of automated DNA sequencing

Pipette dropping liquid into test tube

Pipette dropping liquid into test tube

Gas chromatography separating vials of complex compound mixtures into individual components

Gas chromatography separating vials of complex compound mixtures into individual components

Chemical lab glassware: graduated cylinder, small beaker, beaker with two test tubes, flat-bottom flask, dropper bottle, Erlenmeyer flask with stirring rod

Scientist pipetting a sample into a petri dish during a experiment in the laboratory

Scientist pipetting a sample into a petri dish during a experiment in the laboratory

Scientific Cloning, genetic experiment with pipette modifying DNA sample and creating new life in petri dish

Nuclear transfer, Stem cells made from the cell nucleus

Nuclear transfer, Stem cells made from the cell nucleus

Several embryonic stem cells during nuclear transfer process used in therapeutic cloning for tissue replacement

Pipetting liquid into test tubes

Pipetting liquid into test tubes

Sample being pipetted into a rack of test tubes inside a fume cupboard during a scientific experiment in a laboratory

Sample being pipetted into a rack of test tubes inside a fume cupboard during a scientific experiment in a laboratory

Elements used to develop a new drug

Pipette dropping test sample onto seedling in petri dish

Pipette dropping test sample onto seedling in petri dish

Micropipettes

Pipette emitting liquid into petri dish, close-up

Samples being pipetted into micro plates during automated analysis in lab

Samples being pipetted into micro plates during automated analysis in lab

Samples being pipetted into micro plates during automated analysis in lab

Needle dropping liquid onto plant

Petri dish and pipette

Petri dish and pipette

Petri dish and pipette

Blood testing

Pipette dripping liquid into test tube

Scientist pipetting sample into a petri dish containing cells during an experiment in the laboratory.

Scientist pipetting sample into a petri dish containing cells during an experiment in the laboratory.

Chemical reaction-Pipette 0.25 M solution of iron(III) chloride (FeCl3) into 0.5 M solution of sodium carbonate (Na2CO3). Rusty red iron(III) hydroxide precipitate (Fe(OH)3) & carbon dioxide produced

DNA autoradiogram gel illustrating genetic results with laboratory glassware

Laboratory worker using pipette, dripping liquid into petri dish, close-up

Pipetting sample

Chemical reaction-Pipette 0.5M solution of copper sulfate (CuSO4) into 0.5M solution of sodium carbonate (Na2CO3). Blue copper carbonate precipitate (CuCO3) formed result: CuSO4+Na2CO3->CuCO3+Na2SO4

Glass flask with yellow chemical liquid at laboratory

Pipette and Petri dishes

Pipette and Petri dishes

Pipette and Petri dishes

Hand dropping detergent in dish

Close-up of pipette placing experimental vaccine into microplate

Close-up of pipette placing experimental vaccine into microplate

Close-up of pipette placing experimental vaccine into microplate

Close-up of pipette placing experimental vaccine into microplate

Close up of laboratory glassware flasks containing chemicals in a laboratory

Laboratory glassware flasks containing chemicals in a laboratory

Testing samples in test tube

Pipette dropping liquid into petri dish

Pipette and laboratory glassware

Pipette and laboratory glassware

Chemical lab glassware: burette over beaker, Erlenmeyer flask with stirring rod, graduated cylinder, pipette over test tube

Chemical lab glassware: graduated cylinder, Erlenmeyer flask with stirring rod, pipette

Pipette adding sample to petri dish with DNA profiles in background

Pipette adding sample to petri dish with DNA profiles in background

Pipette adding sample to petri dish with DNA profiles in background

Plant growing in petri dish

Close up of dropper of liquid

Low angle view of large group of glass test tubes

Close-up of petri dish and pipette in laboratory

Pipette sitting on petri dish with a box of pipettes in a laboratory

Close up of pipetting experimental chemical onto seedling in laboratory

Pipetting experimental chemical onto seedling in laboratory

Scientist pipetting sample into a petri dish containing cultured bacteria in a microbiology lab

Globe with laboratory flasks and petri dish

Globe with laboratory flasks and petri dish

Pharmaceutical research, a molecular model of drug formula in multi well tray, a conceptual experiment

Pipette dropping a solution into a vial, used for storing liquid during chemical or biological research

Pipette dropping a solution into a vial, used for storing liquid during chemical or biological research

Coloured solutions in petri dish

Close-up of petri dish test tubes and pipette in laboratory

Close-up of petri dish test tubes and pipette in laboratory

Close-up of petri dish test tubes and pipette in laboratory

Close-up of petri dish test tubes and pipette in laboratory

Close-up of petri dish test tubes and pipette in laboratory

Meniscus. Curved surface (meniscus) of water in graduated pipette. Liquid volume measured by reading the scale at the bottom of the meniscus. The reading is 2.37 mL

Microscope viewing sample with a ball and stick molecular model illustrating ground breaking research

Close up of microscope viewing sample with a ball and stick molecular model illustrating ground breaking research

Close up of cultures in petri dishes

Close up of cultures in petri dishes

Green colour solution in petri dish

Green colour solution in petri dish

A variety of medicine and vaccines on a laboratory bench

A variety of medicine and vaccines on a laboratory bench

Large group of drugs including vials, ampules and vaccines illustrating medical research

DNA research

Pipette dropping liquid in test tubes

Pipette dropping liquid in test tubes

Petri dish and pipette

(Synthetic) Blood drop on a male finger

Pipetting

Pipette adding sample to stem cell cultures growing in pots, Used to implant stem cells to repair damaged tissues

Pipette adding sample to stem cell cultures growing in pots, Used to implant stem cells to repair damaged tissues

Pipette adding sample to stem cell cultures growing in pots, Used to implant stem cells to repair damaged tissues

Technician using pipette dropping liquid into petri dish with seedling

Chemical reaction-Pipette 0.5M solution of sodium carbonate(Na2CO3) in 0.25M solution of lead(II) nitrate (Pb(NO3)2). White lead(II) carbonate precipitate(PbCO3) result: Pb(NO3)2+Na2CO3->PbCO3+NaNO3

Stem cell cultures in sample tray

Stem cell cultures in sample tray

Tweezers holding pill over Petri dish. A computer screen that displays results of automated DNA sequencing is in the background

Gas chromatography separating vials of complex compound mixtures into individual components

Gas chromatography separating vials of complex compound mixtures into individual components

Close up of 96-well microtiter plate with crystal violet solution to examine toxicity

A graduated pipette being inserted into test tube

A graduated pipette being inserted into test tube

A graduated pipette being inserted into test tube