Last update Detecting mirror molecules: New technique reliably tells left-handed from ..., 11 hours ago
Harvard physicists have developed a novel technique that can detect molecular variants in chemical mixtures – greatly simplifying a process that is one of the most important, though time-consuming, processes in analytical ...
11 hours ago
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Early screening for prostate cancer could become as easy for men as personal pregnancy testing is for women, thanks to UC Irvine research published today in the Journal of the American Chemical Society.
14 hours ago
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Pioneering X-ray technology is making it possible to read fragile rolled-up historical documents for the first time in centuries.
May 16, 2013
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(Phys.org) —Just a few drops of liquid or a bit more is run past specialized sensors in microfluidic devices to detect chemicals of concern to doctors and security personnel. However, these devices are ...
May 15, 2013
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How active a living cell is can be seen by its oxygen consumption. The method for determining this consumption has now been significantly improved by chemists in Bochum. The problem up to now was that the ...
May 13, 2013
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On May 8th JoVE will publish research that demonstrates how a biosensor can detect antibiotic resistance in bacteria. This new technology is a preliminary step in identifying and fighting superbugs, a major public health con ...
May 08, 2013
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Metal elements and molecules interact in the body but visualizing them together has always been a challenge. Researchers from the RIKEN Center for Life Science Technologies have developed a new molecular ...
May 02, 2013
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A revolutionary X-ray analytical technique that enables researchers at a glance to identify structural similarities and differences between multiple proteins under a variety of conditions has been developed ...
Apr 29, 2013
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Plants are a rich resource of bioactive compounds, many of which have inspired therapeutic drugs. Yet countless plant compounds, potentially with medical uses, still remain to be identified. Kazuki Saito, ...
Apr 26, 2013
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(Phys.org) —A group of researchers from Sweden have provided further evidence that illegal drugs can be detected in the breath, opening up the possibility of a roadside breathalyzer test to detect substances such as cocaine, ...
Apr 25, 2013
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(Phys.org) —A range of diseases and conditions, from asthma to liver disease, could be diagnosed and monitored quickly and painlessly just by breathing, using gas sensing technology developed by a Cambridge ...
Apr 25, 2013
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(Phys.org) —The overuse of nitrogen fertilizers in agriculture can wreak havoc on waterways, health and the environment. An international team of scientists aims to lessen the reliance on these fertilizers ...
Apr 22, 2013
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Baking the perfect loaf of bread is both a science and an art, so researchers are using Canada's only synchrotron to look at the way bubbles form in bread dough to understand what makes the perfect loaf and ...
Apr 19, 2013
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Sales of chicken products in China plummeted recently during an outbreak of a deadly new strain of bird flu. From bird flu to mad cow disease, numerous food scares have made global headlines in recent years. A technique developed ...
Apr 18, 2013
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A bioengineering research team from the National University of Singapore (NUS) team led by Associate Professor Zhang Yong has developed a novel microfluidic device for efficient, rapid separation and detection ...
Apr 15, 2013
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(Phys.org) —Continued advancements using a NIST-developed molecular-level fabrication technique are leading to new discoveries in the metrology for molecular electronics by advancing large-area (μm to ...
Apr 12, 2013
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(Phys.org) —Forensic scientists at the University of Abertay Dundee have recovered latent fingerprints from foods – publishing the UK's first academic paper on this subject.
Apr 11, 2013
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In the latest achievement in efforts to see what may lie underneath the surface of great works of art, scientists today described the first use of an imaging technology like that used in airport whole-body security scanners ...
Apr 10, 2013
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(Phys.org) —New research from Western University challenges long-held beliefs regarding the demise of Sir John Franklin's ill-fated Northwest Passage expedition that departed from England in 1845.
Apr 09, 2013
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Swiss researchers could show that exhaled human breath contains a characteristic molecular "fingerprint". The scientists want to use this finding to diagnose diseases based on the chemical analysis of patient's exhaled breath, ...
Apr 03, 2013
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(Phys.org) —Researchers at Sandia National Laboratories are developing a medical instrument that will be able to quickly detect a suite of biothreat agents, including anthrax, ricin, botulinum, shiga and ...
Apr 02, 2013
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Current methods of detecting microRNA (miRNA)—gene-regulating molecules implicated in the onset of various diseases—can be time-consuming and costly: The custom equipment used in such tests costs more than $100,000, and ...
Mar 29, 2013
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For the first time, scientists measured the chemical diffusivity and viscosity of atmospheric organic particles, thanks to a new approach from scientists at Pacific Northwest National Laboratory, University ...
Mar 28, 2013
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White blood cells, or leukocytes, are the immune system's warriors. So when an infection or disease attacks the body, the system typically responds by sending more white blood cells into the fray. This means ...
Mar 26, 2013
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(Phys.org) —With a novel technique that noninvasively analyzes microbes, scientists at Pacific Northwest National Laboratory profiled, for the first time, the chemicals that a cyanobacterium makes available ...
Mar 21, 2013
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(Phys.org) —Chemists at the University of Bath have developed a new system to monitor levels of blood glucose, which could in the future help save the lives of patients in intensive care.
Early detection is vital for the effective treatment of cancer. In many cases, tell-tale biomarkers are present in the bloodstream long before outward symptoms become apparent. Early-stage cancers, for example, ...
Radioactive caesium 137 has a half-life of 30.17 years, and its accumulation in organisms in exposed regions, such as around the Fukushima Daiichi nuclear plant, amplifies the hazard it poses. A new material reported by researchers ...
Bird feathers appear to be simplistic structures, but a catalogue of chemicals and environmental contaminants resides deep inside them, scientists report. And these can be used to measure a bird's health.
(Phys.org)—The perennial stress-buster—a deep breath—could become stress-detector, claims a team of researchers from the UK.
Existing research shows that bicyclists who wear helmets have an 88 percent lower risk of brain injury, but researchers at Boston Children's Hospital found that simply having bicycle helmet laws in place showed a 20 percent ...
When a solar flare filled with charged particles erupts from the sun, its magnetic fields sometime break a widely accepted rule of physics. The flux-freezing theorem dictates that the magnetic lines of force ...
(Phys.org) —If you've been lucky enough to catch all the green lights as you drive down a busy street, you may have been benefiting from intentional synchronization called a "green wave." The green wave ...
(Phys.org) —Researchers have created a new type of transparent electrode that might find uses in solar cells, flexible displays for computers and consumer electronics and future "optoelectronic" circuits ...
Two hungry young galaxies that collided 11 billion years ago are rapidly forming a massive galaxy about 10 times the size of the Milky Way, according to UC Irvine-led research published Wednesday in the journal ...
Swiss scientists reveal the mechanism responsible for aging hidden deep within mitochondria—and dramatically slow it down in worms by administering antibiotics to the young.
(Phys.org) —Saturn's moon Titan might be in for some wild weather as it heads into its spring and summer, if two new models are correct. Scientists think that as the seasons change in Titan's northern hemisphere, ...
(Phys.org) —Researchers at North Carolina State University have developed a new technique for creating high-quality semiconductor thin films at the atomic scale – meaning the films are only one atom thick. ...
(Phys.org) —Now that it looks like the hunt for the Higgs boson is over, particles of dark matter are at the top of the physics "Most Wanted" list. Dozens of experiments have been searching for them, but ...
An insect-eating pitcher plant teams up with ants to prevent mosquito larvae from stealing its nutrients, according to research published May 22 in the open access journal PLOS ONE by Mathias Scharmann and co ...
For scientists to improve cancer treatments with targeted therapeutic drugs, they need to be able to see proteins prevalent in the cancer cells. This has been an impossible, until now. Thanks to a new microscopy ...
(Phys.org)—A quick, accurate and highly sensitive process to reliably detect minute traces of explosives on luggage, cargo or travelling passengers has been demonstrated by scientists at the Department ...
Since the beginning of time, living organisms have developed ingenious mechanisms to monitor their environment. As part of an international study, a team of researchers has adapted some of these natural mechanisms to detect ...
Ever wonder how sometimes people still get through security with explosives on their person? Research done in the University of Alberta's Department of Chemical and Materials Engineering has revealed a new way to better detect ...
(Phys.org)—The Art Institute of Chicago teamed up with Argonne National Laboratory to help unravel a decades-long debate among art scholars about what kind of paint Picasso used to create his masterpieces.
Chemists at the University of Burgos (Spain) have manufactured a sheet that changes colour in the presence of water contaminated with mercury. The results can be seen with the naked eye but when photographing ...
(Phys.org)—Using the Canadian Light Source (CLS) synchrotron, researchers have determined the structure of a key protein that stops viruses from spreading, an important step towards developing new ways ...
Samuel K. Sia, associate professor of biomedical engineering at Columbia Engineering, has taken his innovative lab-on-a-chip and developed a way to not only check a patient's HIV status anywhere in the world ...
(Phys.org) —A diverse team of international researchers has found that women with stronger immune systems don't necessarily have prettier faces than women whose immune system is not so strong. In their paper ...
(Phys.org) —In order to study many complex phenomena, physicists seek to isolate them in potential wells or boxes with easily described forms and boundary conditions. These features in turn dictate various ...
(Phys.org) —In pioneering new research at Columbia University, scientists have grown high-quality crystals of molybdenum disulfide (MoS2), the world's thinnest semiconductor, and studied how these crystals stitch together ...
Until now, little was scientifically known about the human potential to cultivate compassion—the emotional state of caring for people who are suffering in a way that motivates altruistic behavior.
(Phys.org) —The idea of living with 3-D printed food is neither unthinkable nor new; designers and futurists have been looking to 3-D printing as food's next frontier. In 2012, there was news that the Thiel ...
(HealthDay)—Migraines and depression can each cause a great deal of suffering, but new research indicates the combination of the two may be linked to something else entirely—a smaller brain.
Radically different viruses share genes and are likely to share ancestry, according to research published in BioMed Central's open access journal Virology Journal this week. The comprehensive phylogenomic analysis compar ...
Research at Lawrence Berkeley National Laboratory's Advanced Light Source promises four-bit magnetic cells instead of the two-bit magnetic domains of standard magnetic memories. Magnetic vortices are whirlpools ...
(Phys.org) —Highview Power Storage, a British company that develops energy storage systems for utility companies has received $18 million in funding from several backers to investigate the use of "liquid air" as a means of storing electricity for backup purpos ...
Researchers at the Universities of Leeds and Chicago have uncovered an important mechanism behind the generation of astrophysical magnetic fields such as that of the Sun.
Malaria-carrying mosquitos appear to be manipulated by the parasites they carry, but this manipulation may simply be part of the mosquitos' immune response, according to Penn State entomologists.
A new approach for immunizing against influenza elicited a more potent immune response and broader protection than the currently licensed seasonal influenza vaccines when tested in mice and ferrets. The vaccine ...
A new study published online today (Thursday) in the Journal of Public Health has found that of young people who visited fast food or chain restaurants in the U.S. in 2010, girls and youth who were obese were more likely ...
Removing excess carbon dioxide (CO2) from the atmosphere may be essential to curb severe climate change. Possible, but expensive, methods include burying the gas underground between rock layers or 'scrubbing' ...
Neanderthals may have started weaning their young from seven months of age and transferred them to solid food by just over a year, a fossil tooth study said Wednesday.
Coronal mass ejections (CMEs), emissions of magnetized ionized gas from the Sun, can damage satellites and communication technology, so being able to predict where they are heading and how much energy they ...
Researchers at the Institute of Materials Science of the Universitat de València, in consortium with various European companies and institutions, are developing a system based on photonic biosensors for ...
(Phys.org)—Scientists have identified the chemical 'fingerprints' given off by specific bacteria when present in the lungs, potentially allowing for a quick and simple breath test to diagnose infections such as tuberculosis.
(Phys.org)—Dental microwear, the pattern of tiny marks on worn tooth surfaces, is an important basis for understanding the diets of fossil mammals, including those of our own lineage. Now nanoscale research ...
(Phys.org)—Scientists at The University of Manchester have developed a camera that can be used to take powerful three dimensional colour X-ray images, in near real-time, without the need for a synchrotron X-ray source.
In the United States, about 80 million x-ray computed tomography (CT) scans are made every year – 7 million of them on children – according to the American Association of Physicists in Medicine (AAPM). ...
A high-powered commission said Wednesday that intellectual property theft was costing the United States the equivalent of all its exports to Asia and urged a tougher approach to China.
In a series of lab experiments designed to unravel the workings of a key enzyme widely considered a possible trigger of rheumatoid arthritis, researchers at Johns Hopkins have found that in the most severe ...
While humans have harnessed the power of yeast to ferment bread and beer, the function of yeast or other types of fungi that live in and on the human body is not well understood. In the first study of human ...
Swedish scientists have mapped the gene sequence of Norway spruce (the Christmas tree) – a species with huge economic and ecological importance - and that is the largest genome to have ever been mapped. ...
In the tropics at heights more than 10 miles above the surface, the prevailing winds alternate between strong easterlies and strong westerlies roughly every other year. This slow heartbeat in the tropical ...
A typical pair of running shoes generates 30 pounds of carbon dioxide emissions, equivalent to keeping a 100-watt light bulb on for one week, according to a new MIT-led lifecycle assessment. But what's surprising ...
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