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Current Positron emission tomography News and Events, Positron emission tomography News Articles.
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Next-gen laser facilities look to usher in new era of relativistic plasmas research
Chirped pulse amplification increases the strength of laser pulses in many of today's highest-powered research lasers, and as next-generation laser facilities look to push beam power, physicists expect a new era for studying plasmas. (2020-05-26)
Astronomers discover new class of cosmic explosions
Analysis of two cosmic explosions indicates to astronomers that the pair, along with a puzzling blast from 2018, constitute a new type of event, with similarities to some supernovae and gamma-ray bursts, but also with significant differences. (2020-05-26)
ALMA spots twinkling heart of milky way
Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) found quasi-periodic flickers in millimeter-waves from the center of the Milky Way, Sagittarius (Sgr) A*. (2020-05-22)
Canadian policy on corporate emissions translates to higher market value
A UC Davis study analyzes greenhouse gas emissions of Canadian companies over 12 years, finding that public disclosures translate to higher stock prices. (2020-05-20)
Scientists find a high hydrofluorocarbon emissions intensity in the Yangtze River Delta region
A new study estimates the emissions of HFCs in the Yangtze River Delta (YRD) region by a tracer ratio method for the period 2012-2016 and finds the emissions intensity of HFCs in this area is higher than both national and global levels, in terms of per capita, per unit area, or per unit GDP. (2020-05-19)
Computer model can process disparate sources of clinical data to predict brain age
Scientists have trained a computer to analyse different types of brain scan and predict the age of the human brain, according to a new study in the open-access journal eLife. (2020-05-19)
Advanced X-ray technology tells us more about Ménière's disease
The organ of balance in the inner ear is surrounded by the hardest bone in the body. (2020-05-19)
A new look into the sources and impacts of greenhouse gases in China
Special issue of Advances in Atmospheric Sciences reveals new findings on China's GHG emissions and documents changes in local and regional environments. (2020-05-18)
Commercial airliners monitoring CO2 emissions from cities worldwide
Monitoring greenhouse gas emissions from cities is important in order to support climate mitigation activities in response to the Paris Agreement. (2020-05-15)
Latin America's livestock sector needs emissions reduction to meet 2030 targets
Reducing livestock's carbon footprint in Latin America is necessary if countries in the region are to meet emission reduction goals under the Paris Agreement, researchers argue in a new analysis published May 14 in Frontiers. (2020-05-14)
Cutting-edge imaging may provide insight into the functional significance of a stenosis
A novel study aims to evaluate whether optical coherence tomography (OCT) parameters may predict fractional flow reserve (FFR) values and assess if OCT parameters may predict clinical outcome in patients with negative FFR. (2020-05-14)
New imaging tool helps researchers see extent of Alzheimer's early damage
New imaging technology allows scientists to see the widespread loss of brain synapses in early stages of Alzheimer's disease, a finding that one day may help aid in drug development, according to a new Yale University study. (2020-05-13)
Early detection of Alzheimer's disease with dynamic MRI measurement of glucose in brain
Diagnosis of Alzheimer's disease, the most common type of dementia, is not easy for its overlapping signs with normal ageing. (2020-05-13)
Chameleon materials: The origin of color variation in low-dimensional perovskites
Some light-emitting diodes (LEDs) created from perovskite, a class of optoelectronic materials, emit light over a broad wavelength range. (2020-05-11)
Scientists reveal solar system's oldest molecular fluids could hold the key to early life
Scientists from the Royal Ontario Museum have analysed a meteorite atom by atom to reveal the chemistry and acidity of the earliest fluids in the solar system. (2020-05-11)
International research improves quality of CT scan imagery
Computerized tomography (CT) is one of the most effective medical tests for analysing the effects of many illnesses, including COVID-19. (2020-05-08)
The role of European policy for improving power plant fuel efficiency
A new study published in the Journal of the Association of Environmental and Resource Economists investigates the impact of the European Union Emissions Trading Scheme (EU ETS), the largest international cap-and-trade system for greenhouse gas emissions in the world, on power plant fuel efficiency. (2020-05-08)
Novel radiotracer meets gold standard for imaging prostate cancer
The novel radiopharmaceutical 18F-PSMA-1007 is both effective and readily available for detecting malignant prostate cancer lesions, according to research published in the April issue of The Journal of Nuclear Medicine. (2020-05-08)
A radar for plastic: High-resolution map of 1 kilometre grids to track plastic emissions in seas
Plastic waste often ends up in river bodies and oceans, posing a serious threat to the marine ecosystem. (2020-05-07)
Dendrimers finally have what it takes to break into the laser scene
A team including researchers from the University of Tsukuba has produced a family of dendrimers that form single-crystals and can harvest non-polarized light and transform it into polarized emission. (2020-05-07)
MRI technique could reduce need for radiation in measuring tumor response to chemotherapy
Whole body diffusion-weighted magnetic resonance imaging (DW MRI) may aid in the assessment of cancer treatment response in children and youth at much lower levels of radiation than current approaches, suggests a small study funded by the National Institutes of Health. (2020-05-05)
Study of nearly 10,000 women explores feasibility and safety of multi-cancer blood test
In an exploratory study of nearly 10,000 women with no history of cancer, researchers evaluating a multi-cancer blood test report that it successfully detected some cancers, including early cancers that could be localized and surgically removed. (2020-04-28)
Investigating the causes of the ozone levels in the Valderejo Nature Reserve
The UPV/EHU's Atmospheric Research Group (GIA) has presented a database comprising over 60 volatile organic compounds (VOC) measured continuously over the last ten years in the Valderejo Nature Reserve (Álava, Basque Country). (2020-04-27)
New blood test for Alzheimer's developed
A new blood test for Alzheimer's disease has been developed under the leadership of researchers at the University of Gothenburg, Sweden. (2020-04-22)
AI to make dentists' work easier
Finnish researchers have developed a new automatized way to localise mandibular canals. (2020-04-21)
Yale-NUS College scientists find bisulphates that curb efficacy of diesel engine catalysts
A team of researchers from Yale-NUS College, in collaboration with scientists in Sweden, has found that bisulphate species in the exhaust stream are strongly connected to decreasing the effectiveness of exhaust remediation catalysts in diesel engines. (2020-04-21)
Scientists uncover major cause of resistance in solid electrolytes
Scientists investigated grain boundaries in a solid electrolyte at an unprecedentedly small scale. (2020-04-21)
First official ATS practice guidelines for Sarcoidosis cover diagnosis and detection
New guidance is available for physicians who must go through a number of steps to provide a probable diagnosis of sarcoidosis -- an inflammatory disease that affects the lungs, lymph glands, and other organs. (2020-04-20)
Neuronal and neurotransmitter systems dynamic coupling explains the effects of psilocybin
Interest in research into the effects of psilocybin, a psychedelic drug, has increased significantly in recent years due to its promising therapeutic effects in neuropsychiatric disorders such as depression, anxiety and addiction. (2020-04-16)
Livestock and poultry farming should be the future focus of agricultural ammonia emissions control
Livestock and poultry farming is the largest contributor to agricultural ammonia emissions and should be the future focus of agricultural ammonia emissions control. (2020-04-13)
Future aerosol emission reductions will worsen atmospheric diffusion conditions in eastern China
The climate effects induced by aerosol reduction plays a leading role in the anticyclone change in eastern China. (2020-04-13)
Reducing sulfur dioxide emissions alone cannot substantially decrease air pollution
Due to the reduced emissions of SO2, and considering the high level of NH3 emissions in China, nitrogen dioxide emissions control is more effective in reducing the surface PM2.5 concentration in China. (2020-04-11)
Astronomers measure wind speed on a brown dwarf
Using VLA and Spitzer observations, astronomers are able to determine wind speeds on a brown dwarf for the first time. (2020-04-09)
Carbon emission scheme 'succeeding despite low prices'
A European Union (EU) programme aimed at reducing carbon dioxide (CO2) emissions has made significant progress despite low prices in carbon markets, according to a study at the Universities of Strathclyde and Pittsburgh. (2020-04-08)
Belle II yields first results in search of the Z' boson
The Belle II experiment started about one year ago. Physical Review Letters has now published the initial results of the detector. (2020-04-08)
COVID-19 news from Annals of Internal Medicine
In this Ideas and Opinions piece from the University of California, San Francisco and San Francisco Veterans Affairs Medical Center, the authors discuss the findings of early studies that addressed the use of chest computed tomography for the detection of COVID-19. (2020-04-08)
Alzheimer's trial screening data links high amyloid levels with early stage disease
The first paper from the NIH-funded A4 study supports the hypothesis that higher levels of amyloid protein in the brain represent an early stage of Alzheimer's disease. (2020-04-06)
Synthesis against the clock
Radiolabeled molecules help nuclear physicians to detect and precisely target tumors, which are often developing due to pathological changes in metabolic processes. (2020-04-06)
Total-body PET imaging successfully identifies antibodies up to 30 days after injection
Combining 89Zr-labeled antibodies with total-body positron emission tomography (PET) has extended the utility of novel total-body PET scanners, providing suitable images up to 30 days after the initial injection, according to research published in the March issue of The Journal of Nuclear Medicine. (2020-03-31)
Enhanced 1.54 μm PL and EL on a perfluorinated Er3+ complex sensitized by an Ir3+ complex
The potential of using erbium-contained organic materials to develop cost-effective electrically-driven light-emitting devices for silicon photonics is well proposed, but methods to increase the power efficiency are keenly sought. (2020-03-26)
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