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Inside our brains nerve cells signal each other using neurotransmitters including carbon monoxide (CO) and nitric oxide (NO) gases. Besides sharing a number of biological and chemical characteristics, CO and NO work together ...
Detecting diseases such as cancer in their earliest stages can make a huge difference in patient treatment, but it is often difficult to do. Now scientists report in the journal ACS Central Science a new, simple method that ...
Hair analysis has become standard practice for determining whether someone has abused illicit drugs. But some experts have questioned whether current methods to wash away external contaminants from samples might affect test ...
Paper-based diagnostics enable rapid medical test results at minimal cost—and now they're about to get even better. A new synthetic paper developed by Swedish researchers could enable simultaneous screenings for multiple ...
Patients could be spared the unpleasant ordeal of having blood taken in future thanks to the work of a University of the West of England (UWE Bristol) academic who has devised a new breath testing device.
Researchers have developed a new analytical tool for medical applications and biological research that might be used to diagnose cancer more rapidly than conventional methods.
Virginia Commonwealth University researchers have developed a new technique for analyzing DNA molecules. Their new research article, "Infrared laser heating applied to nanopore sensing for DNA duplex analysis," suggests the ...
When remote regions with limited health facilities experience an epidemic, they need portable diagnostic equipment that functions outside the hospital. As demand for such equipment grows, EPFL researchers have developed a ...
Synthetic cathinones are derived from cathinone which is present in the khat plant. These recreational drugs produce effects similar to amphetamines and have been associated with numerous fatalities. Although the Drug Enforcement ...
Instead of a pan and a pick ax, prospectors of the future might seek gold with a hand-held biosensor that uses a component of DNA to detect traces of the element in water.
A University of Rhode Island professor has developed a sensor that detects the kind of explosive used in the Paris bombings, to try to stop future attacks.
A Northwestern University research team has taken CSI to a whole new level: employing sophisticated scientific tools to investigate details of the materials and methods used by Roman-Egyptian artists to paint lifelike mummy ...
When it comes to early diagnosis of Lyme disease, the insidious tick-borne illness that afflicts about 300,000 Americans annually, finding the proverbial needle in the haystack might be a far easier challenge—until now, ...
A new device analyzes gas mixtures using semiconductor sensors. Odor is determined by a combination of existing gases in the atmosphere. Researchers have found that the conductivity of a semiconductor probe changes during ...
Screening large "libraries" of compounds to find those with a desired biological activity is a powerful method for discovering new drugs, but requires a large, expensive and dedicated facility. Now, scientists at the Florida ...
Human skin and banana peels have something in common: they produce the same enzyme when attacked. By studying fruit, researchers have come up with an accurate method for diagnosing the stages of this form of skin cancer.
Scientists have created a material which turns fluorescent if there are molecules from explosives in the vicinity. The discovery could improve e.g. airport security - and also it gives us an insight into a rather chaotic ...
A novel fluorescent probe library has been developed by a research team including scientists from the University of Electro-Communications, Tokyo. The findings are published in the journal Analytical Chemistry.
Researchers from the General Physics Institute of the Russian Academy of Sciences (GPI RAS) and Moscow Institute of Physics and Technology (MIPT) have developed a new biosensor test system based on magnetic nanoparticles. ...
In recent years, formaldehyde has been discovered to be illegally used in food processing for bleaching and preservation purposes, arousing health concerns by the general public. PolyU's highly selective formaldehyde rapid ...
Engineered liver tissue could have a range of important uses, from transplants in patients suffering from the organ's failure to pharmaceutical testing. Now scientists report in ACS' journal Analytical Chemistry the development ...
Researchers from the California NanoSystems Institute at UCLA have created a new technique that greatly enhances digital microscopy images.
A Purdue University innovation that creates a "fingerprint-like pattern" to identify foodborne pathogens without using reagents has been licensed by Hettich Lab Technology. The technology is being demonstrated at the Society ...
The grapes used to make pinot noir, the red wine of hit comedy "Sideways" fame, are known to be literally and figuratively thin-skinned. They're highly sensitive to their environment, making it difficult for growers to determine ...
A*STAR researchers have developed the first selective probe for a marker of the stage before the brain plaques which characterize Alzheimer's disease are formed.
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In the battle against cancer, which kills nearly 8 million people worldwide each year, doctors have in their arsenal many powerful weapons, including various forms of chemotherapy and radiation. What they lack, however, is ...
(Phys.org)—Researchers have found an innovative way to detect cancer biomarkers in a person's blood. Nucleic acids, the components of DNA and RNA, are typically located within the cell. However, sometimes these nucleic ...
New chip-based optical sensing technologies developed by researchers at UC Santa Cruz and Brigham Young University enable the rapid detection and identification of multiple biomarkers. In a paper published October 5 in Proceedings ...
(Phys.org)—A team of researchers with members from institutions in China and the U.S. has announced the development of a thin film device that can be affixed to the skin to measure blood flow. In their paper published in ...
Mostly untouched for 100 years, 15 Roman-era Egyptian mummy portraits and panel paintings were literally dusted off by scientists and art conservators from Northwestern University and the Phoebe A. Hearst Museum of Anthropology ...
A team of researchers has demonstrated a new type of imaging system that reveals the chemical composition of living tissue for medical diagnostics and cellular studies.
An Australian scientist has developed a new crime scene identification technique for fingerprint detection and analysis.
Chemists at the University of Montreal used DNA molecules to developed rapid, inexpensive medical diagnostic tests that take only a few minutes to perform. Their findings, which will officially be published tomorrow in the ...
While there are no cures for neurological diseases such as Alzheimer's and Parkinson's, many researchers believe that one could be found in neural stem cells. Unfortunately, scientists do not yet have a full understanding ...
When a patient arrives at a hospital with a serious infection, doctors have precious few minutes to make an accurate diagnosis and prescribe treatment accordingly. Doctors' ability to act quickly and correctly not only makes ...
A team led by researchers at UC Santa Cruz has developed chip-based technology for reliable detection of Ebola virus and other viral pathogens. The system uses direct optical detection of viral molecules and can be integrated ...
A tool that provides world-class microscopy and spatially resolved chemical analysis shows considerable promise for advancing a number of areas of study, including chemical science, pharmaceutical development and disease ...
Paper sensors that can be analyzed using an Android program on a smartphone could be used to detect pesticides rapidly and cheaply, according to a new study published in Biosensors and Bioelectronics.
When a fever strikes in a developing area, the immediate concern may be: Is it the common flu or something much worse that requires quarantine? To facilitate diagnosis in remote, low-resource settings, researchers have developed ...
Researchers at Houston Methodist, along with collaborators at two major Singapore institutions, have developed a lab in a needle device that could provide instant results to routine lab tests, accelerating treatment and diagnosis ...
The colour of Vincent van Gogh's famous Sunflowers is changing over time, because of the mixture of pigments used by the Dutch master in his painting. Evidence for the process now comes from a detailed spectroscopic investigation ...
Scientists working at Loughborough University, UK, and the University of Cordoba, Spain, have developed a new method for the rapid diagnosis of poisoning in apparently drunk patients.
New research may revolutionize the slow, cumbersome and expensive process of detecting the antibodies that can help with the diagnosis of infectious and auto-immune diseases such as rheumatoid arthritis and HIV. An international ...
Every two years or so, computer speed and memory capacity doubles—a head-spinning pace that experts say could see machines become smarter than humans within decades.
(Phys.org)—Sometimes when a star collapses into a supernova, it releases an intense, narrow beam of gamma rays. Gamma-ray bursts often last just a few seconds, but during that time they can release as much energy as the ...
Records of Spanish shipwrecks combined with tree-ring records show the period 1645 to 1715 had the fewest Caribbean hurricanes since 1500, according to new University of Arizona-led research. The study is the first to use ...
The sole secondary mirror that will fly aboard NASA's James Webb Space Telescope was installed onto the telescope at NASA's Goddard Space Flight Center in Greenbelt, Maryland, on March 3, 2016.
A group of researchers from the UK, including academics from Cardiff University, has demonstrated the first practical laser that has been grown directly on a silicon substrate.
Scientists have long been puzzled about what makes Mercury's surface so dark. The innermost planet reflects much less sunlight than the Moon, a body on which surface darkness is controlled by the abundance of iron-rich minerals. ...
Arundo donax, a giant reed that grows in the Mediterranean climate zones of the world, isn't like other prolific warm-weather grasses, researchers report. This grass, which can grow annually to 6 meters (nearly 20 feet) in ...
Researchers at U of T Engineering have developed a new way of growing realistic human tissues outside the body. Their "person-on-a-chip" technology, called AngioChip, is a powerful platform for discovering and testing new ...
A study led by the University of Tennessee and the Department of Energy's Oak Ridge National Laboratory could soon pay dividends in the development of materials with energy-related applications.
Millions of people - particularly infants in underdeveloped countries—suffer from the serious life threatening illnesses of meningitis, pneumonia and influenza. These are due to infection by microbes such as N. meninigitidis, ...
From beach shallows to the ocean depths, vast numbers of chemical compounds work together to reduce and store atmospheric carbon in the world's oceans.
Space weather scientist Liz MacDonald has seen auroras more than five times in her life, but it was the aurora she didn't see that affected her the most.
Richard Wool was a pioneer in green engineering and author of the first book to systematically describe the chemistry and manufacture of bio-based polymers and composites derived from plants.
About 100 million years ago an infant lizard's life was cut short when it crawled into a sticky situation.
Google on Monday opened its Project Fi mobile phone service to anyone in the United States using its latest model Nexus smartphones.
A team of physicists from the University of California, San Diego and The University of Manchester is creating tailor-made materials for cutting-edge research and perhaps a new generation of optoelectronic devices. The materials ...
Brigham Young University mechanical engineering professors Larry Howell and Spencer Magleby have made a name for themselves by applying the principles of origami to engineering. Now they're applying their origami skills to ...
(Phys.org)—A team of researchers with the National Center for Nanoscience and Technology and Beihang University, both in China, has developed a biodegradable triboelectric nanogenerator for use as a life-time designed implantable ...
Scientists developing fusion energy experiments have solved a puzzle of why their million-degree heating beams sometimes fail, and instead destabilise the fusion experiments before energy is generated.
One of the most critical questions surrounding climate change is how it might affect the food supply for a growing global population. A new study by researchers from Brown and Tufts universities suggests that researchers ...
Scientists from NOAA's National Marine Fisheries Service (NOAA Fisheries) and the University of Massachusetts Boston have found evidence of Atlantic bluefin tuna spawning activity off the northeastern United States in an ...
The Universe is constantly expanding. It changes, creating new structures that merge. But how does our Universe evolve? Physicists at the University of Geneva (UNIGE), Switzerland, have developed a new code of numerical simulations ...
Supervolcanoes capable of unleashing hundreds of times the amount of magma that was expelled during the Mount St. Helens eruption of 1980 are found in populated areas around the world, including the western United States.
Agriculture in parts of sub-Saharan Africa must undergo significant transformation if it is to continue to produce key food crops, according to a new study published today in Nature Climate Change.
On a cool, fog-shrouded mountain of Costa Rica, University of California, Irvine biologist Caitlin Looby is finding that warming temperatures are becoming an increasing problem for one of the most ecologically diverse places ...
Luxury automaker BMW AG is showing off a sleek concept car aimed at a future in which drivers choose between the pleasures of high-performance driving and letting the car take control.
The genome of a slowly evolving fish, the spotted gar, is so much like both zebrafish and humans that it can be used as a bridge species that could open a pathway to important advancements in biomedical research focused on ...
Chimney-like mineral structures on the seafloor could have helped create the RNA molecules that gave rise to life on Earth and hold promise to the emergence of life on distant planets.
Like an albatross scanning for pods of squid in a vast ocean, molecules on solid surfaces move in an intermittent search pattern that provides maximum efficiency, according to new research from the University of Colorado ...
Sometimes, a nematode worm just needs to take a nap. In fact, its life may depend on it. New research has identified a protein that promotes a sleep-like state in the nematode Caenorhabditis elegans. Without the snooze-inducing ...
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