Last update New sensor tracks zinc in cells, could be exploited for early diagnosis ..., 12 hours ago
Zinc, an essential nutrient, is found in every tissue in the body. The vast majority of the metal ion is tightly bound to proteins, helping them to perform biological reactions. Tiny amounts of zinc, however, ...
12 hours ago
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(Phys.org) —Infrared beams produced at facilities like the National Synchrotron Light Source represent the lower-energy part of the emitted light spectrum, yet are still much brighter than other sources, ...
Nov 26, 2013
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(Phys.org) —Los Alamos scientists have advanced a Magnetic Resonance Imaging (MRI) technology that may provide a breakthrough for screening liquids at airport security. They've added low-power X-ray data ...
Nov 26, 2013
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Over the past decade, advances in genetic mapping tools have provided great insight into how DNA influences cell behavior. But genetics is only half the equation; much of cells' behavior is the result of post-transcriptional ...
Nov 21, 2013
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Researchers from the University of Burgos (Spain) have developed a smart material which changes colour based on the amount of iron in a fluid, whether it be water, wine or blood serum. Afterwards, if the ...
Nov 20, 2013
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(Phys.org) —In developing nations, rural areas, and even one's own home, limited access to expensive equipment and trained medical professionals can impede the diagnosis and treatment of disease. Many qualitative ...
Nov 18, 2013
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The first step in developing a cost-effective micro sensor for long-term monitoring of ocean acidification has been achieved by a team of scientists and engineers.
Nov 13, 2013
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Johns Hopkins engineers and cardiology experts have teamed up to develop a fingernail-sized biosensor that could alert doctors when serious brain injury occurs during heart surgery. By doing so, the device ...
Nov 11, 2013
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Drinking water flowing from your tap can contain harmful bacteria, viruses and single-cell animals. And most countries do not routinely test for all these bugs. Instead, scientists usually take a water sample ...
Oct 30, 2013
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Crime-scene investigators may soon have a new tool to help them catch evildoers. Researchers have demonstrated the proof-of-principle for a new forensic technique to identify individual fibers of cloth, which often all look ...
Oct 29, 2013
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One of the keys to healthful living with Type 1 and Type 2 diabetes is monitoring blood glucose (sugar) levels to ensure they remain at stable levels. People can easily and reliably do this at home using electronic devices ...
Oct 25, 2013
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A recent doctoral thesis from the University of Gothenburg presents new methods to trace allergenic fragrance compounds in consumer products, such as perfumes.
Oct 25, 2013
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In remote regions of the world where electricity is hard to come by and scientific instruments are even scarcer, conducting medical tests at a doctor's office or medical lab is rarely an option. Scientists ...
Oct 23, 2013
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Cells in the human body change shape as they crawl, split, or cling to other surfaces, but while the scientific literature is filled with examples of how cell shapes shift in response to things they touch, little is known ...
Oct 23, 2013
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As anyone who has ever consumed bacteria-contaminated food and experienced "food poisoning" can tell you, it's a miserable experience. Yet it's an all-too-common one, with foodborne illnesses making 1 in ...
Oct 18, 2013
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(Phys.org) —The discoloration of some pigments used in impressionist paintings has been observed since the 19th century. Belgian researchers have now investigated how the colors of chrome yellow pigments ...
Oct 08, 2013
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To gauge whether suspects involved in accidents or routine traffic stops have been driving drunk, police officers pair field sobriety tests with breathalyzers, which signal the presence of alcohol in the ...
Oct 08, 2013
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In a study published in the journal Science and Technology of Advanced Materials (STAM), researchers in Taiwan describe a simple, color-based diagnostic approach with the potential to detect target DNA se ...
Oct 04, 2013
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(Phys.org) —A team of Lawrence Livermore National Laboratory (LLNL) researchers has pioneered the use of a long-standing technology for a new application—analyzing the chemical composition of uranium ...
Oct 03, 2013
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(Phys.org) —Researchers are developing a system that uses tiny magnetic beads to quickly detect rare types of cancer cells circulating in a patient's blood, an advance that could help medical doctors diagnose ...
Oct 02, 2013
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The harmful effects of increasingly popular designer cannabis products called "Spice" or "K2" have puzzled scientists for years, but now a group of researchers is reporting progress toward understanding what ...
Oct 02, 2013
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Scientists at EPFL have designed a quick method for detecting counterfeit perfumes, and have tested it on major brands like Givenchy, Hermes and D&G.
Sep 25, 2013
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(Phys.org) —A research team from the University of Alberta has made a public health breakthrough by developing a device that detects E. coli bacteria in water much faster than previous methods.
Sep 24, 2013
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Hardly a spectroscopic method boasts so many different applications as nuclear magnetic resonance spectroscopy, better known as "NMR". The approach of NMR spectroscopy is based on monitoring the so-called ...
Sep 24, 2013
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A new flu virus makes its first appearance in the United States on a restroom doorknob at an international airport in January. Before it can be positively identified by the Centers for Disease Control, the ...
Sep 20, 2013
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Scientists and conservators have developed a new method to diagnose painting canvases from the back, without disturbing a single fibre, to see if they can withstand the stress of handling and travel.
The technology that peeks underneath clothing at airport security screening check points has great potential for looking underneath human skin to diagnose cancer at its earliest and most treatable stages, a scientist said ...
Two new transmission electron microscopes (TEM) will give Monash University researchers unprecedented insights into the structure and function of proteins and contribute to breakthroughs in treating conditions from cancer ...
Researchers from FOM research institute AMOLF in the Netherlands have produced the first images of a cloud of heavy protein ions during deposition and ionization. The images, enabled by an innovative detector, ...
Sandia National Laboratories scientists are thinking small, building on decades of sensor work to invent tiny detectors that can sniff out everything from explosives and biotoxins to smuggled humans.
A nuclear war between India and Pakistan would set off a global famine that could kill two billion people and effectively end human civilization, a study said Tuesday.
Congress' easy renewal of an expiring ban on undetectable plastic guns belies the larger reality that major new firearms restrictions have little chance of enactment soon.
Restricting the use of antibiotics is unlikely to stop the spread of drug resistance in typhoid fever, according to a study funded by the Wellcome Trust and published in the journal eLife.
When it comes to fighting off pathogens like Listeria, your best allies may be the billions of microorganisms that line your gut, according to new research published in mBio, the online open-access journal of the American ...
Priming people to think about money makes them more likely to cheat, but priming them to think about time seems to strengthen their moral compass, according to new research published in Psychological Science, a journal of the ...
The winners of the 2013 Nobel Prizes will collect their $1.2 million awards Tuesday at ceremonies in Stockholm and Oslo. Here's a look at the laureates and their achievements:
UPDATE: Jean-Claude Mas, the founder of PIP, the French firm at the centre of a global scandal over faulty breast implants, was convicted Tuesday of fraud and sentenced to four years in prison. Four other former PIP executives ...
(Phys.org) —One of the biggest challenges facing rechargeable batteries with lithium (Li) electrodes is the growth of dendrites, which can short-circuit the batteries and cause complete failure. Although ...
(Phys.org) —An atmospheric peculiarity the Earth shares with Jupiter, Saturn, Uranus and Neptune is likely common to billions of planets, University of Washington astronomers have found, and knowing that ...
Scientists have found evidence that there was once an ancient lake on Mars that may have been able to support life, in research published today in the journal Science.
Disease-causing bacteria stink—literally—and the odor released by some of the nastiest microbes has become the basis for a faster and simpler new way to diagnose blood infections and finger the specific microbe, scientists ...
In 2010, a Cathay Pacific Airways plane was arriving in Hong Kong when the engine control thrusts seized up and it was forced to make a hard landing—injuring dozens. The potential culprit? Contaminated fuel.
On a rectangular chip slightly smaller than a person's finger, two scientists and an engineer are writing what they hope will be the blueprint for the future of drug testing.
A new chemical discovery will lead to better monitoring and treatment for cancers and degenerative diseases, according to latest research by scientists.
Clean drinking water is a diminishing natural resource in developing nations and in many industrialised countries. VTT Technical Research Centre of Finland has developed a simple and inexpensive test kit ...
Berkeley Lab scientists have helped to develop a tiny chip that has big potential for quickly determining whether someone has been exposed to dangerous levels of ionizing radiation.
With stamp collecting a popular hobby and lucrative investment, scientists are describing a comprehensive new way of verifying the authenticity and rooting out fakes of what may be the smallest and most valuable pieces of ...
Microelectronic engineers in Singapore have developed and tested sensor technology that can detect and measure a chemical signature of bladder cancer. The light-based sensor could eventually be used for the ...
Scientists from Case Western Reserve University and University of Kansas Medical Center have restored behavior—in this case, the ability to reach through a narrow opening and grasp food—using a neural prosthesis in a ...
Newly analyzed data from East Antarctica say the remote region has set a record for soul-crushing cold.
Researchers from Brown University and the University of Hawaii have found some mineralogical surprises in the Moon's largest impact crater.
When faced with the challenge of protecting sensitive scientific equipment and computers from radiation, engineers at the U.S. Department of Energy's Thomas Jefferson National Accelerator Facility decided ...
A team led by a longtime Oregon Health & Science University researcher has demonstrated in mice what could be a revolutionary new technique to cure a wide range of human diseases—from cystic fibrosis to cataracts to Alzheimer's ...
(Phys.org) —Heating a sheet of plastic may not bring it to life – but it sure looks like it does in new experiments at Rice University.
(Phys.org) —Carbon nanotubes carry plasmonic signals in the terahertz range of the electromagnetic spectrum, but only if they're metallic by nature or doped.
According to a new study, a novel composite measure consisting of 29 alcohol policies demonstrates that a strong alcohol policy environment is a protective factor against binge drinking in the U.S. The study was led by researchers ...
American and British intelligence operations have been spying on gamers across the world, media outlets reported, saying that the world's most powerful espionage agencies sent undercover agents into virtual ...
(Phys.org) —Synthetic, man-made cells and ultrathin electronics built from a new form of "zero-dimensional" carbon nanotube may be possible through research at the University of Pittsburgh Swanson School ...
(Phys.org) —A trio of researchers from the Chinese Academy of Sciences and Rutgers University has concluded that there is a correlation between extreme weather in the mid-northern latitudes and warmer weather ...
Using the new, high-frequency capabilities of the National Science Foundation's Robert C. Byrd Green Bank Telescope (GBT), astronomers have captured never-before-seen details of the nearby starburst galaxy ...
The home team holds the advantage over visitors – at least in the plant world. However, a mere handful of genetic adaptations could even the playing field.
By relentlessly miniaturizing a pre-World War II computer technology, and combining this with a new and durable material, researchers at Case Western Reserve University have built nanoscale switches and logic ...
In his prescient novel "1984," English author George Orwell predicted a future that bears an uncanny resemblance to current reality—except for a simple twist. Rather than Big Brother watching, today we ...
Scientists from U of T's Department of Chemistry have discovered a novel chemical lurking in the atmosphere that appears to be a long-lived greenhouse gas (LLGHG). The chemical – perfluorotributylamine ...
(Phys.org) —NTT Docomo, Japan's largest mobile-phone provider has developed a new smart phone peripheral that lets a person know if they are burning fat by analyzing their breath. To emphasize that the ...
(Phys.org) —A study by forensic scientists at the University of Kent has established a new way of identifying which brand of lipstick someone was wearing at a crime scene without removing the evidence from ...
Before sailors and soldiers deploy to locations around the world, they need to know the kinds of infectious diseases they might encounter, especially those diseases that are resistant to antibiotics. As part ...
(Phys.org) —A team of researchers led by Prof. Young-Tae Chang from National University of Singapore and Prof. Yoon-Kyoung Cho from Ulsan National Institute of Science and Technology (UNIST), Korea, developed ...
Reaching a clinic in time to receive an early diagnosis for cancer—when the disease is most treatable—is a global problem. And now a team of Chinese researchers proposes a global solution: have a user-friendly diagnostic ...
A friend posts a picture on Facebook that shows you picking food out of your teeth. Awkward!
A U.S. Senate vote to renew an expiring ban on plastic firearms is shaping up as a bittersweet moment for gun control supporters, days before the anniversary of the deadly mass shooting at Sandy Hook Elementary ...
In mice with a rodent form of multiple sclerosis (MS), vitamin D appears to block damage-causing immune cells from migrating to the central nervous system, offering a potential explanation for why the so-called "sunshine ...
Silicon Valley is escalating pressure on President Barack Obama to curb the U.S. government surveillance programs that vacuum personal information off the Internet and threaten the technology industry's financial ...
To learn new motor skills, the brain must be plastic: able to rapidly change the strengths of connections between neurons, forming new patterns that accomplish a particular task. However, if the brain were ...
In researching neural pathways, it helps to establish an analogous relationship between a region of the human brain and the brains of more-easily studied animal species. New work from a team led by Carnegie's ...
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