Sentences with phrase «tube used in his experiment»

Not exact matches

YOU may think humanity's first words are lost in the noise of ancient history, but an unlikely experiment using plastic tubes and puffs of air is helping to recreate the first sounds uttered by our distant ancestors.

Using in vitro, or test tube, experiments, the researchers applied these chemicals to human cancer cells to measure changes of estrogen receptor - and androgen receptor - target genes and transcriptional activity.

After these simplified synthetic versions were shown to be highly potent against superbug - causing bacteria in vitro — or test tube — experiments, researchers from the Singapore Eye Research Institute (SERI) then used one of the synthetic versions to successfully treat a bacterial infection in mice.

The term in vitro, from the Latin meaning in glass, is used, because early biological experiments involving cultivation of tissues outside the living organism from which they came, were carried out in glass containers such as beakers, test tubes, or petri dishes.

For this particular research problem they developed a so - called y - maze experiment, a proboscis choice test in which a y - shaped tube system is used as an extension of the flower's corolla.

Although the experiment used an older Ebola virus that differs from the strain now in West Africa, the researchers showed in a test - tube study that ZMapp also worked against the more recently isolated virus.

Basically, a pitot tube is used in wind tunnel experiments and on airplanes to measure flow speed.

The oxygen concentrations would have been deadly to most fish and insect species that feed on mosquitoes, but would not harm the mosquito species used in this experiment, since they use a syphon tube to breath air.

Tissue sections not used immediately in staining experiments are kept in anatomical order in separate numbered Eppendorf tubes and archived in a freezer storage solution consisting of glycerol, ethylene glycol, dH2O, and phosphate buffer (3:3:3:1 volume / volume) at -20 °C to preserve antigen availability for future experiments.

He became absorbed in mathematics and thermodynamics, and started using new materials (glass sheet and neon lighting tubes) in his works - see for instance Enantiomorphic Chambers - to experiment with visual refraction and mirroring.

The elephant in the room with the co2 test tube experiment is how many PPM of co2 were used - probably around 500,000 - 1,000,000 comparing to a test tube with around 350PPM of co2 so I would call that gaming the system.

Herr Koch did his experiments in a 30 cm long tube, though 250 cm would have been closer to the right length to use to represent the amount of CO2 in the atmosphere.

Rather than displaying the absorption as a function of pressure, we have used modern results on pressure scaling to rephrase Herr Koch's measurement in terms of what he would have seen if he had done the experiment with a shortened tube instead.