Sentences with phrase «radiation doses»

A well - written resume sample for Dosimetrist mentions tasks such as designing treatment plans, prescribing radiation doses, documenting patient information, participating in clinical research, and updating their job knowledge.

They unknowingly received radiation doses that averaged 0.4 Sv — a collective dose of 4,000 person - Sv.

«Over geological time, high cosmic radiation doses are coincidental with the four periods of glaciations on earth — including the present glacial situation,» Prof Plimer said.

According to Evaluation of radiation doses and associated risk from the Fukushima nuclear accident to marine biota and human consumers of seafood in the Proceedings of the National Academy of Sciences,

«Despite the low solar elevations in Antarctica, UV - B radiation doses in late spring during the ozone hole period can be sufficient to induce sunburn, and are about twice as great as those that would have occurred prior to the onset of ozone depletion.

In the Proceedings of the National Academy of Sciences: «Evaluation of radiation doses and associated risk from the Fukushima nuclear accident to marine biota and human consumers of seafood.»

Here's a chart (click to enlarge) comparing ionizing radiation doses from a host of different activities and sources, ranging from eating a banana to living in Denver:

His MSc thesis (1987) dealt with the description and application of a system for calculating radiation doses due to long range transport of radioactive releases and his Licentiates's thesis (1998) studied the effective choice of NOx - emission control measures.

Placement of the controlled area boundary any closer than 11 miles from the site would, in short, mean that future radiation doses might be too high for the site to be licensed.

To study this, B16F10 cells were treated with a combination of 20 µM each of U0126 and LY294002, 24 h before exposing cells to 2.0 Gy and 3.0 Gy radiation doses.

Radiation - induced pulmonary fibrosis — tissue scarring that can permanently impair lung function — limits the delivery of therapeutic radiation doses to non-small cell lung cancer.

Although the shorter therapy requires higher radiation doses, the experts found that this option may result in better quality of life.

Proton therapy delivers high radiation doses directly to the brain tumor site, with no damage to nearby healthy tissue.

This has strong implications for astrobiology and planetary habitability as any putative life forms near the surface would be exposed to large radiation doses capable of sterilizing the top ~ 20 cm of the Martian subsurface (Simonsen & Nealy 1993; Mileikowsky et al. 2000; Pavlov et al. 2002; Dartnell 2011; Dartnell et al. 2007a, 2007b, 2010).

Most of the experiments were done under precise conditions, at a wide range of radiation doses and usually for the lifetime of the animals.

Using this kind of sensor, doctors may be able to better determine radiation doses and to monitor whether treatments are having the desired effect, according to the researchers, who describe the device in the Proceedings of the National Academy of Sciences the week of April 21.

They have to piece together such molecular data to reveal whether cell circuitry is disrupted at low radiation doses.

The first independent studies of Japan's worst nuclear accident, which has already caused the death of two workers from multiple organ failure, also suggest that radiation doses outside the 350 - metre evacuation zone breached the safety limit.

The report also points out that RTZ's records on radiation doses show that before 1982 individual workers were exposed to more than the permissible doses in the final processing areas, where ore is roasted to recover uranium oxide.

When the farm knows of an approaching hotter - than - usual summer season, for example, growers can increase UV radiation doses.

There is general recognition that procedural ionizing radiation doses should be kept as low as reasonably achievable.

Chernobyl was directly responsible for at least 56 deaths and as many as 4,000 more, according to the World Health Organization, though other estimates vary, and spread radioactive material as far as the U.K. Three Mile Island has never been conclusively linked to any deaths or health effects, though some individuals may have received radiation doses of as high as 100 millirems.

Significantly, the effect of PARTICLE in limiting the time and extent of the radiation - induced increase in DNA methylation is more pronounced at lower radiation doses than at higher doses.

In most of these cases, people received high radiation doses through drinking milk from cows that had grazed on iodine - contaminated pasture.

Lunar observations (and other space - based observations) show that GCR radiation doses are rising faster than previously thought.

Academic scientists face major obstacles as they try to collate baseline data on radiation doses in the face of the enormous disruption caused by the earthquake and tsunami that hit the country last month.

A new study by Dr. Guerda Massillon, researcher at the National University of Mexico (UNAM), looked at the properties of various materials called dosimeters that measure radiation doses.

About 80 percent of patients receiving high - dose, short - course therapies had good cosmetic results, similar to longer - course treatments with smaller radiation doses.

From patient medical records, they obtained detailed information on treatments, which they used to estimate radiation doses to the stomach and to calculate the doses and types of chemotherapy that were used to treat the survivors» Hodgkin lymphoma.

As part of the Building a Better Explainer project at N.Y.U.'s Studio 20, we decided to create a visual explainer of radiation levels, inspired by some recent presentations over at XKCD and Information is Beautiful.Both compare radiation doses from everyday activities (like eating a banana or flying across the country) to doses near the Fukushima plant, as well as other disasters like Chernobyl.

Patients who received the highest radiation doses had a risk of stomach cancer nearly threefold greater than patients who received the lowest doses.

Swartz is still in the process of comparing his dosimeter readings with the actual radiation doses that Dana — Farber administered.

While high radiation doses can eventually cause cancer, the immediate health effect is to destroy dividing cells — including blood cells — which wipes out the immune system.

These include the behaviour of the Italian government in the aftermath of Chernobyl, the basis of decision - making in civil nuclear power in Switzerland and France, and the controversy over the supposed effects of radiation doses to fathers on their offspring at Sellafield (a large case control study, which has recently been published, contradicts the views in the book), and the Black enquiry into childhood leukaemias in the vicinity of the plant.

«A Silent Crisis: Cancer Treatment in Developing Countries» Is a 2003 report from the International Atomic Energy Agency addresses the challenges of providing sufficient infrastructure — in particular, trained staff to deliver safe and effective radiation doses — for cancer treatment.

Scientists used those data to extrapolate how many excess cancer cases would develop at lower radiation doses.

THE CONTRARY VIEW: Veteran journalist Jeff Wheelwright, who covers health and genetics, says the evidence linking small radiation doses to cancer is flimsy.

«Unfortunately, healthcare providers including physicians, radiologists, and medical imaging technologists are often not aware of radiation doses for common CT scans,» concluded Dr. Leswick.

Although many say the report is well done, the exercise largely depended on modeling of radiation doses rather than on direct measurements of population exposures, and the data were often sub-optimal.

Threats of explosions and dangerously high radiation doses are just some of the risks facing workers trying to avert complete meltdowns at multiple reactors in Japan

And when all food was grown in the area, radiation doses were 50 to 200 percent higher around the coal plants.

The radiation doses to passengers from these security procedures are trivial.

He had used cloned mice with identical tumors to determine ideal radiation doses before turning to protons.

An extended stay on Mars, with its extremely thin atmosphere, would be lethal due to the high radiation doses, notwithstanding Matt Damon's successful Mars colonization in the movie «The Martian.»

Among the advances that have already been made are linear accelerators that generate higher - energy radiation beams, and more versatile patient tables that enable radiation doses to be delivered to the tumor from a variety of angles and directions.

Diagnostic Radiology at Boston Children's is designed to facilitate high - quality and rapid x-ray examinations using the lowest possible radiation doses for your child, no matter her size, age or medical condition.

«Radiation sensitivity index provides the first opportunity to use tumor genetics to guide and optimize the radiation dose that patients receive.

In fact, it is the accumulation of radiation dose that is the limiting factor for the maximum length of manned space flights.

Assuming that the values and parameters for speed, radiation dose and risk stated above for Stuker are also true for you, dividing your total miles by 3,700,000,000 will give your approximate odds of getting cancer from your flying time.

That's about one - third the maximum radiation dose allowed for a nuclear power plant worker in a given year.