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Positron emission tomography Current Events | Positron emission tomography News | 8

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New drug reverses effects of sleep deprivation on brain
Research in monkeys suggests that a new drug can temporarily improve performance and reverse the effects of sleep deprivation on the brain.   view more (2005-08-23)

Japanese Researchers Get to the Heart of Atherosclerosis
Using positron emission tomography (PET), the medical isotope 15O-water and cold pressor tests, Japanese researchers were able to detect the beginnings of atherosclerosis—before the disease became clinically evident.   view more (2006-06-05)

Scientists Search for Brain Center Responsible for Tinnitus
For the more than 50 million Americans who experience the phantom sounds of tinnitus -- ringing in the ears that can range from annoying to debilitating -- certain well-trained rats may be their best hope for finding relief.   view more (2007-10-08)

Made-to-order isotopes hold promise on science's frontier
Designer labels have a lot of cachet - a principle that's equally true in fashion and physics.   view more (2008-05-09)

NEW TECHNIQUE SHOWS DEATH OF HEART CELLS IN HEART-ATTACK PATIENTS (P 209)
In this week's issue of THE LANCET, researchers from the Netherlands describe a new imaging technique capable of pinpointing areas of cell death in the hearts of patients who have had an acute myocardial infarction (heart attack). In acute myocardial infarction, the blood supply to part of the heart is cut off. When blood flow is restored, heart... view more... (2000-07-12)

Depression diversity: Brain studies reveal big differences among individuals
Depressed people may have far fewer of the receptors for some of the brain's "feel good" stress-response chemicals than non-depressed people, new University of Michigan Depression Center research shows.   view more (2008-05-08)

Record: fastest flashing star
Dutch researcher Steve van Straaten set a record during his doctoral research. The researcher registered the fastest ever change in the X-ray emission originating from a binary star. The record-breaking binary star consists of a neutron star and a lighter companion star. Astronomer Steve van Straaten studied the time variations in the X-ray... view more... (2004-05-07)

GAMMA RAYS AND DARK MATTER
For a long time it has been known that the Milky Way is surrounded by a (nearly spherical) halo of invisible matter, which contributes at least 90% of the whole galactic mass. Yet, almost nothing is known about the nature of such a dark halo.   view more (1999-02-26)

Clues to the progression of Alzheimer's disease revealed in brain imaging studies
A novel imaging agent heralded for its potential to diagnose Alzheimer's disease during life is now giving researchers information never before available about how and where the disease progresses in the brain.   view more (2005-11-15)

Study finds that seeing plaque buildup prompts patients to comply with medications
A new study has found that seeing the build-up of plaque in their own arteries is the incentive patients need to comply with doctor's orders.   view more (2006-04-26)

PET/CT scans may help detect recurring prostate cancer earlier
A new study published in the September issue of The Journal of Nuclear Medicine shows that positron emission tomography (PET)/computer tomography (CT) scans with the imaging agent choline could detect recurring prostate cancer sooner than conventional imaging technologies in some patients who have had their prostates surgically removed.   view more (2009-09-02)

Lining up for a new atom smasher
The physicists are coming to Oxford for the ECFA/DESY Linear Collider Workshop, from 20-23 March. Here they will develop plans for two 10-km long particle accelerators which will be accurately aligned to fire beams of electrons and positrons (anti-electrons) at each other. When matter and antimatter collide, they disappear - annihilate - in a... view more... (1999-03-16)

Memory test and PET scans detect early signs of Alzheimer's
A large study of patients with mild cognitive impairment revealed that results from cognitive tests and brain scans can work as an early warning system for the subsequent development of Alzheimer's disease.   view more (2009-07-14)

Imaging study may help point toward more effective smoking cessation treatments
Results of a new imaging study, supported in part by the National Institute on Drug Abuse (NIDA), National Institutes of Health, show that the nicotine received in just a few puffs of a cigarette can exert a force powerful enough to drive an individual to continue smoking.   view more (2006-08-08)

FDG-PET Imaging Clearly Predicts Lung Cancer Patients' Response to Chemotherapy
An earlier indication of whether chemotherapy benefits non-small cell lung cancer patients—provided by positron emission tomography (PET) imaging—can guide doctors in offering them better care, according to researchers in the May Journal of Nuclear Medicine.   view more (2007-05-10)

X-Rays Examine Colliding Galaxies
Galaxies were once thought of as `island universes` evolving slowly in complete isolation. This is now known not to be the case. By using the world`s most powerful X-ray observatories, UK astronomers are discovering that most of these gigantic star systems interact with each other in a wide variety of ways. During the UK National Astronomy Meeting... view more... (2002-04-07)

Mars Express discovers aurorae on Mars
ESA's Mars Express spacecraft has for the first time ever detected an aurora on Mars. This aurora is of a type never previously observed in the Solar System.   view more (2005-06-10)

A microscope for Higgs bosons and squarks - The Physics Congress 2002
There is now agreement in Europe, Asia and the United States of America that the next major project in particle physics should be a world-wide linear electron-positron collider. Dr Phil Burrows of the University of Oxford will explain to the Institute of Physics Congress on Tuesday 9 April how this huge particle accelerator, 20-30 km long, will... view more... (2002-04-02)

3-D imaging to enable clean energy technologies
Ohio State University researchers have invented a technique to record three-dimensional scans of the gases and solids that mix inside boilers and other industrial processing reactors.   view more (2006-03-29)

Molecular imaging holds promise for early intervention in common uterine cancer
A promising new molecular imaging technique may provide physicians and patients with a noninvasive way to learn more information about a type of cancer of the uterus lining called "endometrial carcinoma"-one of the most common malignant female tumors.   view more (2009-10-01)
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