Sentences with phrase «with radioactive isotopes»

There is also some evidence that suggests that this binding property also binds with radioactive isotopes.

Emerging evidence also suggests that it binds with radioactive isotopes and may be useful for radioactivity exposure or radiation therapy.

However, he maintains that a nearby supernova explosion may have fertilized the solar system's embryonic cloud with some radioactive isotopes as well.

The samples were labeled with radioactive isotopes, which meant that each individual base (the A, T, C, or G) produced a visual signature on film.

He found that the material was laced with radioactive isotopes of phosphorus, cobalt, zinc, silver and other elements, enough to provide raw material for a serious research programme.

Sometimes, as is the case with radioactive isotopes, the number of neutrons present in the nucleus can make the isotope unstable.

In its efforts to diagnose microfractures and abnormal bone that would predispose a horse to a full - blown fracture, researchers at the Equine Sports Medicine Program at Tufts School of Veterinary Medicine have been using scintigraphy, a technique in which a horse is injected with a radioactive isotope that isolates skeletal «hot spots» — places where injured bone is rebuilding itself.

FDG - PET, one of the only molecular imaging techniques routinely used in oncology, employs a glucose - like probe, FDG, with a radioactive isotope of fluorine attached as a beacon.

The antibody, designed to recognize and bind to a specific cell antigen, is paired with a radioactive isotope.

But no, even though the acid load was neutralized, there was still [this] excess urinary calcium, consistent with the radioactive isotope study, «challenging the long - standing dogma that animal protein consumption results in an acidosis that promotes the [excess] excretion of calcium...»

The old thinking would predict that then there would be no calcium loss since there is no excess acid to buffer, but no, even though the acid load was neutralized there was still the excess urinary calcium, consistent with the radioactive isotope study, «challenging the long - standing dogma that animal protein consumption results in an acidosis that promotes the increased excretion of calcium....

Not exact matches

Breastfeeding is contraindicated in infants with classic galactosemia (galactose 1 - phosphate uridyltransferase deficiency) 103; mothers who have active untreated tuberculosis disease or are human T - cell lymphotropic virus type I — or II — positive104, 105; mothers who are receiving diagnostic or therapeutic radioactive isotopes or have had exposure to radioactive materials (for as long as there is radioactivity in the milk) 106 — 108; mothers who are receiving antimetabolites or chemotherapeutic agents or a small number of other medications until they clear the milk109, 110; mothers who are using drugs of abuse («street drugs»); and mothers who have herpes simplex lesions on a breast (infant may feed from other breast if clear of lesions).

A recent analysis of chondrites by Carnegie's Myriam Telus was concerned with iron - 60, a short - lived radioactive isotope that decays into nickel - 60.

The colors represent the relative amounts of short - lived radioactive isotopes, such as iron - 60, injected into a newly formed protoplanetary disk (seen face on with the protostar being the light purple blob in the middle) by a supernova shock wave.

While her research did not find a «smoking gun,» definitively proving that the radioactive isotopes were injected by a shock wave, Telus did show that the amount of Fe - 60 present in the early Solar System is consistent with a supernova origin.

Very recently a new technique called positron emission transverse tomography has been developed that makes it possible to detect from outside the skull the presence of deoxyglucose or other substances labeled with positron emission radioactive isotopes.

The breached reactor would then spew «16 percent of the core inventory» — «inventory» meaning cesium 137, along with 68 other radioactive isotopes in the hot nuclear fuel.

For a year, in addition to testing air samples for radioactive isotopes, Bartke collected soil organisms, insects and other invertebrates, and a few snakes and lizards, making do with the little equipment and few supplies that he had.

KATRIN will study neutrinos, which are less than a millionth the mass of an electron, by sifting through the aftermath of radioactive decays of tritium, an isotope of hydrogen with two neutrons.

The original dust particles were made largely of silicates mixed with other materials, including water and aluminum 26, a radioactive isotope with a half - life of about 700,000 years.

He envisions a global array of about 100 manganese - 54 experiments, along with tests featuring other radioactive isotopes that might work even better.

The Carnegie team focused on a rare isotope of titanium, titanium - 49, because this isotope is the product of radioactive decay of vanadium - 49 which is produced during supernova explosions and transmutes into titanium - 49 with a half - life of 330 days.

But when Borg, working with colleagues in Denmark and Washington, D.C., finished measuring radioactive isotopes in the rock, they pegged its age at 4.36 to 4.359 billion years.

With more than 17 million Americans now living within one mile of an oil and gas well, there is concern about the possible contamination of surface and groundwater by trace metals, radioactive isotopes and other inorganic compounds released in these areas, they point out.

But making an atom with 114 protons and 184 neutrons would require an intense beam of radioactive atoms, something that can't be produced with existing technology, says Michael Thoennessen of Michigan State University in East Lansing, who catalogues new isotopes.

Their discovery could aid in the synthesis of new «radiotracers» — chemical compounds that contain a radioactive form, or isotope, of an element — for use with a noninvasive, high - resolution 3 - D medical imaging technology known as PET (positron emission tomography) scanning.

Caption: The colors represent the relative amounts of short - lived radioactive isotopes, such as iron - 60, injected into a newly formed protoplanetary disk (seen face on with the protostar being the light purple blob in the middle) by a supernova shock wave.

Carbon has three isotopes — forms of the element with the same number of protons but different masses — but only carbon - 14 is radioactive.

By combining RPO results with analyses of radiocarbon (a radioactive isotope of carbon with a half - life of 5,730 years) and stable carbon isotopes, scientists can identify the sources and ages of organic matter in the environment.

With the IDF money, Mariella has been able to obtain non-radioactive chemicals that act as surrogates for the radioactive isotopes of elements that are likely to contaminate a surface, and is planning to conduct tests.

For instance, radiocarbon dating determines the age of biological remains based on the ratio between the carbon isotopes (atoms of the same element with different numbers of neutrons) carbon - 12 and carbon - 14 it holds - this proportion changes as radioactive carbon - 14 breaks down while stable carbon - 12 does not.

Metallo - thionine compounds (proteins combined with metals that bind heavy radioactive isotopes)

A fossil is the remains or traces of a once - living plant or animal that was preserved in rock or other material before the beginning of recorded history Carbon - 14, 14 C, or radiocarbon, is a radioactive isotope of carbon with an atomic nucleus containing 6 protons and 8 neutrons.

carbon - 14 dating dinosaur bones carbon dated dinosaur fossils date Carbon - 14, 14 C, or radiocarbon, is a radioactive isotope of carbon with an atomic nucleus containing 6 protons and 8 neutrons.

Also, certain Carbon - 14, 14 C, or radiocarbon, is a radioactive isotope of carbon with an atomic nucleus containing 6 protons and 8 neutrons.

For over 30 years RB Racing has been the leader in turbocharger development for Harley - Davidson motorcycles Rubidium (37 Rb) has 32 isotopes, with naturally occurring rubidium being composed of just two isotopes; 85 Rb (%) and the radioactive 87 Rb (%).

It is nonmetallic and tetravalent — making four electrons Carbon - 14, 14 C, or radiocarbon, is a radioactive isotope of carbon with an atomic nucleus containing 6 protons and 8 neutrons.

Plus evidence for a much younger Carbon - 14, 14 C, or radiocarbon, is a radioactive isotope of carbon with an atomic nucleus containing 6 protons and 8 neutrons.

Spare parts management: software for the creation of spare parts catalogue, sales catalogue, electronic parts catalogs and spare parts, consultation over Carbon - 14, 14 C, or radiocarbon, is a radioactive isotope of carbon with an atomic nucleus containing 6 protons and 8 neutrons.

Compound Forms / Forme composte: Inglese: Italiano: activated carbon: carbone attivo: active carbon: carbone attivo: carbon 14 n noun: Refers to person Carbon - 14, 14 C, or radiocarbon, is a radioactive isotope of carbon with an atomic nucleus containing 6 protons and 8 neutrons.

Dating is a stage of romantic relationships in humans whereby two people meet socially with the aim of each assessing the other's suitability as a Carbon - 14, 14 C, or radiocarbon, is a radioactive isotope of carbon with an atomic nucleus containing 6 protons and 8 neutrons.

Bone Diagenesis and Radiocarbon Dating of Fish Bones at the Shag River Mouth Site, New Zealand Carbon - 14, 14 C, or radiocarbon, is a radioactive isotope of carbon with an atomic nucleus containing 6 protons and 8 neutrons.

Beautiful Russian women from all corners of the former Soviet Union seek Carbon - 14, 14 C, or radiocarbon, is a radioactive isotope of carbon with an atomic nucleus containing 6 protons and 8 neutrons.

Free science and math simulations for teaching STEM topics, including physics, chemistry, biology, and math, from University of Colorado Boulder Carbon - 14, 14 C, or radiocarbon, is a radioactive isotope of carbon with an atomic nucleus containing 6 protons and 8 neutrons.

While working on gamma ray research with his coworker Dr. Betty Ross (Liv Tyler), Banner experiences an accidental overdose of a radioactive isotope that causes a molecular change to his cell structure.

The fuel is reprocessed in the same building with good fuel put back in the reactor, medical and industrial isotopes removed, and what is left is only radioactive for 300 years instead of 80,000 +.