Sentences with phrase «radiation effects in»

But there are some radiation effects in play and understanding them takes quite a bit of explaining.

My own specialty (radiation effects in semiconductors) combines nuclear physics, semiconductor physics, electromagnetism, spacecraft design, radiation transport and details of semiconductor fabrication — and maybe a wee bit o» psychology as well.

He currently leads a multidisciplinary, multi-institutional team studying defects and radiation effects in high - tech ceramics.

However, it is the precise understanding of the intermediate steps that is very important for the prediction and design of radiation effects in matter.

Not exact matches

The 10 - year, $ 25 million toxicological studies are the most comprehensive assessments to date of health effects and exposure to radio frequency radiation in rats and mice, according to the online notice from the National Institute of Environmental Health Sciences, a unit of the National Institutes of Health, the U.S. medical research agency.

Either they necessitate a deceptive «God», e.g. creating starlight «in transit» which means that for some light the star that supposedly sent said light would never have actually existed, or they would cause effect that should be evident but are not, e.g. temporarily fast starlight would effectively cook many things, such as life on earth, if the required light (and attendant gamma radiation) were compressed into a significantly shorter time frame (think of the radiation from the apparent 13 billion years of the universe arriving at the same time, or even over a 1000 years).

These include adequate uranium supply (probably necessitating immense uranium strip mines in Tennessee), almost inconceivable reactor and waste - transport accidents, low - level radiation effects from normal plant operations, and the burden of guarding both radioactive waste and outdated but radioactive nuclear plants for thousands of years.

As a physics teacher, I teach the therapeutic effects of gamma radiation in radiotherapy, along with the associated dangers (radiation can cause cells to become cancerous as well as kill cells that are already cancerous), but a common misconception among students is that cancer cells are rather like viruses or bacteria, a sort of alien cell that has entered the body, growing out of control with little relation to the surrounding cells.

How about cosmic microwave background radiation, time dilation in supernovae light curves, the Hubble deep field, the Sunyaev - Zel «dovich effect, the Integrated Sachs - Wolfe effect, the hom.ogeneity of stars and galaxies, etc, etc...

All the stories I hear about the effects of the radiation in the ocean and diseased shrimp from farm raised leaves me scratching my head about what's safe!

chiltepíns planted in the open, without nurse trees, usually die from the effects of direct solar radiation.

Protection from UV Radiation: The anthocyanin anti-oxidants in blueberries help protect us from the damaging effects of UV radiation exposure.

Parents who are concerned about the effects of baby monitor radiation should also make sure no cell phones, cordless phones, or wifi devices are in their home.

For example, Dr. Hugh S. Taylor, professor and chief of the Division of Reproductive Endocrinology and Infertility in the Department of Obstetrics, Gynecology & Reproductive Sciences at Yale University, studied the effects of non-ionizing radiation on the fetuses of pregnant mice.

In addition to experimental research on cancer, there are over 1000 peer reviewed, published papers showing other harmful biological effects from microwave radiation exposure such as damage to sperm, pregnancy and nervous systems.»

The radiation produced was acutely dangerous in local areas, and caused cancer risks downwind, but the overall effects were dwarfed by many other man - made disasters.

«It is equivalent to longer radiation schedules in curing prostate cancer, has similar side effects, and is more convenient.

Earlier studies on the sensitivity of tropical cyclones to past climates have only analyzed the effect of changes in the solar radiation from orbital forcing on the formation of tropical cyclones, without considering the feedbacks associated to the consequent greening of the Sahara.

Mild gastrointestinal and genitourinary toxicity as reported by doctors was observed more frequently in patients getting the higher daily dose, shorter frequency radiation, but no differences were observed in more severe side effects, which were rare (less than 5 percent) with either regimen.

«That's an advantage, particularly in younger patients, who are more sensitive to the effects of radiation,» says Fishman.

«What we found is that the addition of radiation therapy after prostatectomy does lead to a noticeable increase in GI [gastrointestinal] and GU [genitourinary] side effects.

It's well established, of course, that environmental effects like radiation, which alter the genetic sequences in a sex cell's DNA, can leave a mark on subsequent generations.

Important news for men receiving treatment for prostate cancer: Two new studies from the University of Virginia School of Medicine have upended the widely held view that it's best to delay radiation treatment as long as possible after the removal of the prostate in order to prevent unwanted side effects.

But because glass is also transparent to near - infrared radiation — windows also let in heat, giving rise to the well - known greenhouse effect.

Berinstain has a Bachelor's degree in chemistry and biochemistry and a doctorate in chemistry, specializing in the effects of radiation on biological systems.

«Urologists tend to prefer to forgo adjuvant radiation therapy, because they fear the side effects, and radiation oncologists tend to prefer offering adjuvant radiation therapy because they fear the risk of metastasis [cancer spreading to other sites in the body],» Showalter said.

Both treatment schedules were similar in terms of controlling cancer, but doctors reported slightly more mild side effects in patients getting the shorter radiation schedule.

For men with intermediate risk prostate cancer, side effects at two years following radiation therapy (RT) were comparable for extremely - hypofractionated treatment, which was delivered in seven fractions across two and a half weeks, and conventional treatment of 39 fractions across eight weeks, according to research presented at the 58th Annual Meeting of the American Society for Radiation Oncology (ASTRO).

Others are looking for variations in patients» normal DNA that explain why some people tolerate radiation well, whereas others experience severe and lasting side effects ranging from trouble swallowing and memory loss to impotence and incontinence.

We also showed by theoretical calculations that such a system is capable of probing the quantum effects of horizons, in particular Hawking radiation.

In humans, prolonged exposure to solar UV radiation may result in acute and chronic health effects on the skin, eye, and immune systeIn humans, prolonged exposure to solar UV radiation may result in acute and chronic health effects on the skin, eye, and immune systein acute and chronic health effects on the skin, eye, and immune system.

Ms Alice Koechlin, from the International Prevention Research Institute in Lyon, France, told the meeting that people who were at highest risk of dying from melanoma were those born between 1900 and 1960 when not only were the dangerous effects of exposure to ultraviolet (UV) radiation from sunlight largely unknown, but also health professionals believed that sunshine was positively beneficial.

Current astronauts are not as exposed to the damaging effects of radiation, Davis says, because the International Space Station flies in an orbit low enough that the Earth's magnetic field continues to provide protection.

The radiation exposure of the general population «is too small to give a statistically significant increase in stochastic effects such as cancer,» argues Ohtsura Niwa, professor emeritus of radiation biology at Kyoto University.

But at breaks in the cloud deck, smoke has the opposite effect: It is brighter than the dark ocean surface, reflecting solar radiation and reducing warming.

«In theory, then, in some of these conditions it should be possible for healthy donated stem cells to outcompete native cells, without exposing patients to the toxic effects of radiation or alkylating agents.&raquIn theory, then, in some of these conditions it should be possible for healthy donated stem cells to outcompete native cells, without exposing patients to the toxic effects of radiation or alkylating agents.&raquin some of these conditions it should be possible for healthy donated stem cells to outcompete native cells, without exposing patients to the toxic effects of radiation or alkylating agents.»

«If you do the study and don't find anything, that should be an important message,» says Dale Preston, a biostatistician specializing in radiation health effects at Hirosoft International in Eureka, California.

The findings, if found to hold true in humans, suggest it may be possible to develop a biological marker to predict sensitivity to radiation's effects on the human brain before deployment to deep space.

The trio decided to apply «target theory» — a central concept in the study of the effects of radiation — to genes.

In particular, although radiation treatment regimens for some other cancers have been found to unleash an anti-tumor response by the patient's own T - cells, the team found no such effect in their pancreatic cancer modeIn particular, although radiation treatment regimens for some other cancers have been found to unleash an anti-tumor response by the patient's own T - cells, the team found no such effect in their pancreatic cancer modein their pancreatic cancer model.

A new study suggests cell phone radiation may actually have a beneficial biological effect — two hours of exposure a day staved off Alzheimer's disease in mice.

The second visualization was a movie captured at 23,000 - times magnification that revealed the movements of a group of nanoparticles reacting to an electron beam, which mimics the effects of the infrared radiation used in cancer therapies.

But if it interacted with radiation in the early universe, it could have an effect similar to that of relativistic particles, changing how the energy in the early universe is divided up among its components.

And in May, a week after Massachusetts Sen. Edward Kennedy was diagnosed with a glioma, The EMR Policy Institute, a Marshfield, Vt. — based nonprofit organization that supports research on the effects of electromagnetic radiation, released a statement linking his tumor to heavy cell phone use.

Results of research on the voles, presented at the annual meeting of the Society for the Study of Evolution in Montreal last month, raises questions about the full effect of radiation on animal populations and on humans.

In other words, the effects from radiation exposure may be different in different peoplIn other words, the effects from radiation exposure may be different in different peoplin different people.

Stephen has made some of the biggest breakthroughs in this area, showing that quantum effects can allow black holes to emit radiation, so black holes are actually gray.

Golge, a dual citizen who had been studying the effects of radiation on astronauts, was swept up in a crackdown that followed Turkey's 2016 failed military coup.

Their nanoparticles also have potential to protect astronauts from long - term exposure to radiation in space and perhaps even slow the effects of aging, they reported.

They had succeeded in cloaking a small cylindrical object — shielding it not from visible light but from microwaves, a form of electromagnetic radiation with a substantially longer wavelength, which makes the cloaking effect considerably easier to achieve.