Sentences with phrase «tracer for»

«A tracer for CO2 transport from the Northern Hemisphere to the Southern Hemisphere was provided by 14C created by nuclear weapons testing in the 1950's and 1960's.

This is a requirement if one of them is to act as a tracer for the others.

The concentration of 14C in CO serves as another tracer for the OH inventory [Manning et al., 2005].

The tracer for the global OH inventory with the longest pedigree is methyl chloroform, CH3 CCl3.

The boron isotope composition of foraminifera provides a powerful tracer for CO2 change over geological time.

Title: A PET tracer for brain a2C - adrenoceptors, [11C] ORM - 13070: radiosynthesis and preclinical evaluation in rats and knock - out mice Author: E. Arponen et al..

† This is obviously a critical tool for future research: the Michael J. Fox Foundation has recently stepped up with a $ 2 million prize for the first researcher to create a PET tracer for visualizing AS aggregates in the brain).

Title: Validation of 11C - ORM - 13070 as a PET tracer for a2C - adrenoceptors in the human brain Author: J. Lehto et al..

«First human application of novel PET tracer for prostate cancer: New tracer holds promise of monitoring targeted treatment of various cancers.»

Piert notes that 11C - sarcosine could also be an important tracer for identifying and characterizing other cancers.

Fluorine - 18 is a popular tracer for revealing cancers and other biological targets in PET scans.

Using ethane as a tracer for fugitive methane emissions, his team found two high - emitting sites in the central United States.

«Halogens like chlorine or bromine are added to the water as a tracer for the movement of soil - water.

Bowern counters that the «instability» of words can actually be a boon, serving as a tracer for how languages change over time.

They also found that the strontium isotope ratio is a sensitive tracer for selenium contamination, one of the major pollutants of mountaintop mining.

Starting in the mid-1990s, scientists began using GFP as a tracer for studying biochemical processes.

The link between depression and the immune system has been shown using positron emission tomography using a tracer for the translocator protein (TSPO) showing increased immune activation in the brains of patients with major depressive disorder compared with control subjects.

«The fact that the noble gases don't react with other elements makes them excellent tracers for understanding the geochemical evolution of Earth and its atmosphere,» Baldwin says.

The research team tracked methane concentrations along with radon and radium, naturally occurring elements that serve as tracers for groundwater.

At Toolik Lake, Paytan and her colleagues tracked methane concentrations concurrently with two naturally occurring elements (radon and radium) that serve as tracers for groundwater.

Building on his Ph.D. research developing magnetic nanoparticle tracers for Magnetic Particle Imaging (MPI), he co-founded LodeSpin Labs LLC where he led the preclinical development of the first long - circulating blood pool MPI tracer.

In addition, a 5ms response time also eliminates ghosting and tracers for more fluid visuals.

Not exact matches

At the Challenge Festival, startups like as BaseTrace, which «uses DNA - based tracers to track where industrial fluids are going in large, complex environments» and Reliefwatch, a cloud - based system that uses smartphone technology to track inventory and diseases for healthcare organizations in the developing world, battled it out on stage for a grand prize of $ 150,000 in investment.

Because of the 7 - d delay in the administration of the Golden Rice dose, the AUCs were calculated for 21 d after each labeled tracer.

The screen will be peppered with stats and graphics, showing trajectory of the ball flight with tracer technology, listing TrackMan data during shots, and other stats for the week running down the side and bottom of the frame.

Chen believes that dual - receptor targeting tracers could one day be the primary method for diagnosing and monitoring prostate cancer reducing the amount of medical scans a patient would be forced to undergo and streamlining the diagnostic and therapeutic process.

Some supporters of alternative life suggest looking for signs of metabolic activity in varnishes, which could be detected by watching for the flow of radioactive tracers through any hidden organisms.

SN detection and biopsy using conventional tracers may be difficult for some tumour sites, potentially limiting its use.

When the results were compared with studies in the literature using standard radiocolloid tracers the researchers found that the SN biopsy using tilmanocept provided a high identification rate and low false negative rate for SNs, thus facilitating accurate prediction of the spread of the cancer.

The Champalimaud Center for Translation Eye Research (C - TRACER), part of the LV Prasad Eye Institute in Hyderabad, India, will continue research begun by LV Prasad scientists, who use eye stem cells from living adults to grow new cells that are then implanted into damaged eyes.

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.

At the end of June, two tracer gases — krypton and xenon — were injected into the saline aquifer, says Josie McInerney, the community liaison officer for CO2CRC.

Such a discrepancy exists because for the last three decades the global health community — governments, international organisations and aid agencies — have used just one or two «tracer» vaccines to measure immunisation coverage, usually the third dose of DTP or sometimes the first dose of measles.

By using isotopic tracers called stable isotopes, researchers showed that seabirds feeding in areas rich in sulfate (a chemical that is an important food for sulfate - reducing bacteria that help break down organic matter) had high levels of mercury.

Measuring the activity of transporter proteins in a living organism has been a challenge for scientists, because the methods are difficult, often require the use of radioactive tracers, and are hard to use in intact tissues and organs.

«We're responsible for producing radio tracers: radioactive drugs that we use to study the imitation, onset and progression of disease in people,» Schaffer says in a teaser video previewing his lecture.

Weak lensing is a phenomenon that provides a powerful technique for mapping the changing contribution of star - forming galaxies as tracers of the cosmic web.

But now researchers, led by Ludmila Carone of the Max Planck Institute for Astronomy in Germany, have found that these tracers might be better hidden than we previously thought.

PET scans which use fluorodeoxyglucose (FDG) as a tracer can be used for neuronal loss, and are useful when a reliable short - term prediction of cognitive decline is needed.

«We use sulfate and black carbon concentration tracers to track pollution, for example,» Ginot says.

Linda Tacconi, an astrophysicist at the Max Planck Institute for Extraterrestrial Physics in Garching, Germany, and her colleagues used an array of telescopes on a remote plateau in the French Alps to look for the spectroscopic evidence of carbon monoxide, a key tracer gas, in galaxies that existed roughly three billion to 5.5 billion years after the big bang.

Large tracer particles, for instance, will concentrate along these specific trajectories.

This type of imaging uses a radioactive tracer to look for chemical signs of disease in specific tissues.

«Seeing more with PET scans: New chemistry for medical imaging: Surprising new mechanism for attaching chemical tracers discovered.»

«When we got the first inkling that our new mechanism might be useful for developing radioactive tracers, we started looking at Berkeley Lab and its Biomedical Isotope Facility, which was really central to this work,» Levin said.

I've always thought our exposure to chemicals was nowhere comparable to that of a radiologist, for example, who deals with x-rays and radioactive tracers 10 hours a day.

The study compared the effectiveness of the new tracer with 11C - choline (already widely used for imaging prostate cancer) in two mouse models and also performed the first PET / CT scan with 11C - sarcosine of a human with prostate cancer.

In the featured translational article in the August issue of The Journal of Nuclear Medicine, researchers at the University of Michigan demonstrate the potential of a new PET tracer, Carbon - 11 labeled sarcosine (11C - sarcosine), for imaging prostate cancer, and set the stage for its possible use in monitoring other cancers.

«We worked with so - called tracer particles for our analyses,» Tobias Kraus from INM explained.

PET scanning, or positron emission tomography, is used to detect minute quantities of tracers, commonly for finding cancer and metastases.