Between surprise visits from bears, the scientists lassoed murres and injected them with
tracer molecules to track their energy usage.
The researchers now plan to further develop
the tracer molecules by labeling them with radioisotopes, used during positron emission tomography (PET).
«We see that extremely small changes, just moving a couple of atoms, can cause
the tracer molecule to bind preferentially to another type of aggregate.
Not exact matches
Like a key fitting into a lock, the carrier
molecules bind to certain receptors or biomarkers and the radioactive atoms enable PET or SPECT scanners to image areas where the
tracers have collected in large numbers.
By using
tracer chemicals in experiments with live garden warblers, the researchers followed a circuit of neurons from the cryptochrome
molecules to the «cluster N» area of the brain, which is active during navigation, showing for the first time that cluster N uses information from the retina.
The researchers designed and synthesized a novel small
molecule PET
tracer, 18F - MPG, with high specificity to activating EGFR mutant kinase.
Using radioactive
tracers, they found that a phosphorous
molecule has to attach in a certain spot.
Ozone — a variety of oxygen — is one such
molecule, and is seen as one of the possible
tracers that may allow us to detect life on another planet from afar.
She has explored this theory using «
tracer»
molecules that follow the paths of brain cells to see how one brain area connects to another, watching as the medial preoptic area extends into the song control areas.
You are once again confusing (a) the time required for individual
molecules of CO2 (including a particular isotope release /
tracer experiment) to swap in the carbon cycle, with (b) the time required for a total concentration change.