Infrared light puts malaria to the test
(Phys.org) —Scientists have patented a new way to detect one of the most common and deadly diseases in the world.
22 hours ago
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Last update Infrared light puts malaria to the test, 22 hours ago
Analytical Chemistry news
22 hours ago
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MRI sensor that enables long-term monitoring of oxygen levels could aid cancer diagnosis, treatment
Unlike healthy cells, cancer cells thrive when deprived of oxygen. Tumors in low-oxygen environments tend to be more resistant to therapy and spread more aggressively to other parts of the body.
Apr 22, 2014
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Space-tested fluid flow concept advances infectious disease diagnoses
A new medical-testing device is being prepped to enter the battle against infectious disease. This instrument could improve diagnosis of certain diseases in remote areas, thanks in part to knowledge gained ...
Apr 18, 2014
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Pocket-sized anthrax detector aids global agriculture
A credit-card-sized anthrax detection cartridge developed at Sandia National Laboratories and recently licensed to a small business makes testing safer, easier, faster and cheaper.
Apr 17, 2014
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Patented research remotely detects nitrogen-rich explosives
A Kansas State University engineer has developed a patented technique that improves military security and remotely detects improvised explosive devices. The same technique could help police during drug searches.
Apr 17, 2014
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Detecting infection with a microchip
(Phys.org) —Alexander Star places a lapel pin on a table in his Eberly Hall office. Affixed to it is a microchip that he and his team have developed that may save joint implants before they're ruined by ...
Apr 10, 2014
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A passive method for sorting and fixing microbeads of different sizes
Biological assays are an integral part of the researcher's toolkit in the fields of biomolecular chemistry and genomics. Microfluidic microbead systems, which consist of arrays of beads coated with an assay-specific ...
Apr 09, 2014
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Vibrational spectroscopy of biofluids opens new paths to disease screening and diagnosis
In today's ageing population, resulting in a rising prevalence of chronic diseases such as neurodegeneration, the need for simple, non-invasive methods to diagnose or screen for important medical conditions ...
Apr 09, 2014
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Inspired by a music box, Stanford bioengineer creates $5 chemistry set (w/ video)
(Phys.org) —Manu Prakash won a contest to develop the 21st-century chemistry set. His version, based on a toy music box, is small, robust, programmable and costs $5. It can inspire young scientists and ...
Apr 08, 2014
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NIST's simple microfluidic devices now have valves
Researchers at the National Institute of Standards and Technology (NIST) have added yet another innovation—miniature valves—to their ever-growing collection of inexpensive, easy-to-manufacture and highly ...
Apr 02, 2014
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Innovative fingerprint analysis is trialled by police
Pioneering technology designed by Sheffield Hallam University to provide an in-depth analysis of fingerprints is being tried and tested at crime scenes.
Apr 02, 2014
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From Martian rocks, a planet's watery story emerges
After 18 months on Mars, the rover Curiosity has taken more than 120,000 measurements of surface rocks and soil, painting a more detailed image of how much water was once on the Red Planet. An article in Chemical & Engineering Ne ...
Apr 02, 2014
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Better diagnosis of parasitic infections via ultrasound enrichment of rare cells
(Phys.org) —Parasitic infections like malaria and sleeping sickness affect hundreds of millions of people, primarily in the poorest regions of the world. Diagnosis of these diseases is often difficult because ...
Mar 28, 2014
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Seasonal seaweed highlights chemical diversity
The well-known 'nature versus nurture' debate is very familiar to psychologists but has equal importance in molecular biology. Although most research into biological variation focuses on genetic differences ...
Mar 28, 2014
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Researchers develop world's first fluorescent sensor to detect common illicit date rape drug within seconds
A team of researchers from the National University of Singapore (NUS) has developed the world's first fluorescent sensor to identify the presence of a drug known as GHB that is commonly used to spike beverages. ...
Mar 27, 2014
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Biological testing tool, ScanDrop, tests in fraction of time and cost of industry standard
Northeastern University professor of pharmaceutical sciences, Tania Konry, has developed a single instrument that can conduct a wide range of biological scans in a fraction of the time and cost of industry ...
Mar 26, 2014
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Real-life CSI: What can investigators really tell from gunshot residue?
The popular TV series "CSI" is fiction, but every day, real-life investigators and forensic scientists collect and analyze evidence to determine what happened at crime scenes. In a study published in the ...
Mar 26, 2014
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Lab-on-fiber could shine light on disease
(Phys.org) —"Imagine turning on your home lab kit, pricking your finger, and blotting the blood on an array of fiber probes. In just a few minutes, the machine would automatically e-mail the results to ...
Mar 25, 2014
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Robotic arm probes chemistry of 3-D objects by mass spectrometry
When life on Earth was first getting started, simple molecules bonded together into the precursors of modern genetic material. A catalyst would have been needed, but enzymes had not yet evolved. One theory ...
Mar 25, 2014
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Video: Innovative technology to instantly detect pathogens in water and immediately alert people in affected areas
Imagine having the power to instantly detect pathogens such as E. coli in water—and to let everyone in the area know within minutes.
Mar 24, 2014
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Pocket diagnosis
A new app which turns any smartphone into a portable medical diagnostic device could help in the fight against diseases including HIV, tuberculosis and malaria in the developing world.
Mar 19, 2014
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Detecting tumor markers easily
Blood is just teeming with proteins. It's not easy there to identify specialized tumor markers indicating the presence of cancer. A new method now enables diagnostics to be carried out in a single step. Scientists ...
Mar 19, 2014
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Immunologists present improved mass spectrometric method for proteomic analyses
When it comes to analyzing cell components or body fluids or developing new medications, there is no way around mass spectrometry. Mass spectrometry is a highly sensitive method of measurement that has been used for many ...
Mar 18, 2014
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New method is a thousand times more sensitive to performance-enhancing drugs
While the world's best athletes competed during last month's winter Olympics, doctors and scientists were waging a different battle behind the scenes to make sure no one had an unfair advantage from banned performance-enhancing ...
Mar 18, 2014
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Knowing whether food has spoiled without even opening the container (w/ video)
A color-coded smart tag could tell consumers whether a carton of milk has turned sour or a can of green beans has spoiled without opening the containers, according to researchers. The tag, which would appear ...
Mar 17, 2014
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Mass spectrometry technique uncovers an elusive sugar modification in stem cells
Recently, O-linked N-acetylglucosamine (O-GlcNAc), a sugar ring that reversibly modifies proteins inside the cell nucleus and cytoplasm in a process known as O-GlcNAcylation, has been revealed to be a key ...
New biosensor will guard water supplies from toxic threats
Supported by a $953,958 grant from the Defense Advanced Research Projects Agency (DARPA), researchers at the University of California San Diego will develop a sophisticated new biosensor that can protect the nation's water ...
Microbial detection array detects plague in ancient human remains
(Phys.org) —Scientists who study past pandemics, such as the 14th century Black Death that devastated much of Europe, might soon be turning to an innovative biological detection technology for some extra ...
In situ chemical imaging at the sub-biofilm-scale now possible
(Phys.org) —Catching biofilm chemistry with images has always been a cold or dry affair. Now, a multidisciplinary team at Pacific Northwest National Laboratory is the first to demonstrate imaging of a biofilm's ...
A complete medical check-up on a chip
(Phys.org) —About the size of a stapler, this new handheld device developed at EFPL is able to test a large number of proteins in our body all at once-a subtle combination of optical science and engineering.
When things get glassy, molecules go fractal
Colorful church windows, beads on a necklace and many of our favorite plastics share something in common—they all belong to a state of matter known as glasses. School children learn the difference between ...
People with kidney disease show higher cancer risk in study
(HealthDay)—Older adults with moderate kidney dysfunction may face a higher risk of developing cancer than those with healthy kidneys, a large study suggests.
Rising role seen for health education specialists
(HealthDay)—A health education specialist can help family practices implement quality improvement projects with limited additional financial resources, according to an article published in the March/April ...
FDA proposes extending its oversight of tobacco
The federal government wants to extend its oversight of tobacco to include cigars, hookah, nicotine gels, pipe tobacco and dissolvable tobacco products.
SK Hynix posts Q1 surge in net profit
South Korea's SK Hynix Inc said Thursday its first-quarter net profit surged nearly 350 percent from the previous year on a spike in sales of PC memory chips.
Vitamin D supplements have little effect on risk of falls in older people
A new meta-analysis, published in The Lancet Diabetes & Endocrinology journal, concludes that there is no evidence to suggest that vitamin D supplements prevent falls, and that ongoing trials to test this t ...
FCC to propose pay-for-priority Internet standards
The Federal Communications Commission is set to propose new open Internet rules that would allow content companies to pay for faster delivery over the so-called "last mile" connection to people's homes.
The hemihelix: Scientists discover a new shape using rubber bands (w/ video)
While setting out to fabricate new springs to support a cephalopod-inspired imaging project, a group of Harvard researchers stumbled upon a surprising discovery: the hemihelix, a shape rarely seen in nature.
FDA proposes first regulations for e-cigarettes
The federal government wants to prohibit sales of electronic cigarettes to minors and require approval for new products and health warning labels under regulations being proposed by the Food and Drug Administration.
SensaBubble: It's a bubble, but not as we know it (w/ video)
Multi-sensory technology that creates soap bubbles, which can have images projected onto them or when the bubbles are burst release a scent, will be unveiled at an international conference later this month.
Using hydrogen exchange mass spectrometry to confirm biopharmaceuticals
Biopharmaceuticals, also known as biologics, are the fastest growing sector of the pharmaceutical industry and most people living today will probably take a biopharmaceutical or know someone who takes one. ...
Faster screening test to identify tuberculosis
With 9 million new cases and 2 million deaths annually, Tuberculosis is the second most prevalent and deadliest infectious disease worldwide. As an airborne disease, it spreads easily and is very contagious. ...
Scientists blend synthetic air to measure climate change
Scientists at the National Physical Laboratory (NPL) have produced a synthetic air reference standard which can be used to accurately measure levels of carbon dioxide and methane in the atmosphere. This will ...
Advancing safety through color changing technology
An intelligent tape that changes color in the presence of hydrogen has been licensed by the University of Central Florida to a faculty-led spinoff company.
Progress in the automatic detection of water contaminants
Researchers at UPM are working in the development of hydrocarbon early detection devices for rivers in order to prevent contamination that could seriously affect the environment.
Lab detectives help expose art fakes
In under two weeks, the art world has been rocked by cases of forgery in which paintings with a potential value of millions were unmasked as worthless fakes.
Handheld device quickly detects disease-causing and toxin-producing pathogens
(Phys.org) —University of Maine researchers have designed a handheld device that can quickly detect disease-causing and toxin-producing pathogens, including algal species that can cause paralytic shellfish ...
Science unveils master painters' secrets
What hue of red was really in that Renoir masterpiece? How did Van Gogh envision his yellow flowers? And did Picasso really use housepaint?
Recurrent violence linked to substantially higher rates of mental disorders in post-conflict communities
In the aftermath of war, communities who continue to experience repeated violence could have a major escalation in rates of post-traumatic stress disorder (PTSD) and severe distress, suggests new research published in The La ...
Brazil enacts Internet 'Bill of Rights'
Brazil's president signed into law on Wednesday a "Bill of Rights" for the digital age that aims to protect online privacy and promote the Internet as a public utility by barring telecommunications companies ...
Phase 3 study may be game-changer for acute myeloid leukemia
Moffitt Cancer Center researchers say clinical trials for a new experimental drug to treat acute myeloid leukemia (AML) are very promising. Patients treated with CPX-351, a combination of the chemotherapeutic drugs cytarabine ...
Chameleon crystals could enable active camouflage (w/ video)
(Phys.org) —The ability to control crystals with light and chemistry could lead to chameleon-style color-changing camouflage for vehicle bodies and other surfaces.
Hundreds of genetic mutations found in healthy blood of a supercentenarian
Genetic mutations are commonly studied because of links to diseases such as cancer; however, little is known about mutations occurring in healthy individuals. In a study published online in Genome Research, resear ...
Superconducting qubit array points the way to error-free quantum computers
A fully functional quantum computer is one of the holy grails of physics. Unlike conventional computers, the quantum version uses qubits (quantum bits), which make direct use of the multiple states of quantum ...
Liquid spacetime: A very slippery superfluid, that's what spacetime could be like
What if spacetime were a kind of fluid? This is the question tackled by theoretical physicists working on quantum gravity by creating models attempting to reconcile gravity and quantum mechanics. Some of ...
New drug sales help boost Novartis Q1 profit (Update)
Strong new drug sales helped Swiss pharmaceutical firm Novartis AG report a 24 percent rise in first-quarter profit.
Physicist demonstrates dictionary definition was dodgy
It is the defining moment that demonstrates a QUT physicist was correct in pointing out a 99-year-old mistake to one of the world's most authoritative dictionaries.
From liability to viability: Genes on the Y chromosome prove essential for male survival
Despite a well-documented history of dramatic genetic decay, the human Y chromosome has over the course of millions of years of evolution managed to preserve a small set of genes that has ensured not only ...
Field study shows how sailfish use their bill to catch fish
(Phys.org) —A large team of European researchers has finally revealed the purpose of the long, thin, needle-like bill sported by the famous sailfish. It's used, they report in their paper published in Proceedings of ...
Vermont moves toward labeling of GMO foods
Vermont lawmakers have passed the country's first state bill to require the labeling of genetically modified foods as such, setting up a war between the behemoth U.S. food industry and an American public that overwhelmingly ...
Is nuclear power the only way to avoid geoengineering?
"I think one can argue that if we were to follow a strong nuclear energy pathway—as well as doing everything else that we can—then we can solve the climate problem without doing geoengineering." So says Tom Wigley, one ...
Researchers find fish 'yells' to be heard over human made noise
(Phys.org) —A pair of researchers in the Department of Fisheries and Allied Aquacultures at Auburn University in Alabama has found that one type of fish responds to environmental noise by increasing the ...
Osaka team fine-tunes quadruped robot Pneupard (w/ Video)
(Phys.org) —Click, clunk, whir, pitter-patter go the footsteps of numerous quadruped robots worldwide, but a recent report focuses on one walking robot, Pneupard, a project from Osaka University. Tuesday's ...
Study shows women's menstrual cycle phase impacts sexual preference for composers of more complex music
(Medical Xpress)—An intriguing study conducted by Benjamin Charlton, of the University of Sussex, has resulted in findings that suggest women prefer male composers that produce complex pieces of music when ...
Science is used to reveal masterpiece's true colors
Scientists are using powerful analytical and imaging tools to study artworks from all ages, delving deep below the surface to reveal the process and materials used by some of the world's greatest artists.
Capillaries will measure diffusion and help in more efficient medical treatment
How strongly do two dissolved analytes react with each other? Such information is of paramount importance not only in chemistry and molecular biology, but also in medicine or pharmacy, where it is used, i.a., ...
The little-known science that improved everything around us
UNESCO has declared 2014 as the International Year of Crystallography. But why? Quite simply because the science of crystallography has revolutionised how we live – and yet few people know about it. ...
A microchip for metastasis
Nearly 70 percent of patients with advanced breast cancer experience skeletal metastasis, in which cancer cells migrate from a primary tumor into bone—a painful development that can cause fractures and ...
Quick test finds signs of diarrheal disease
Bioengineers at Rice University and the University of Texas Medical Branch (UTMB) at Galveston have developed a simple, highly sensitive and efficient test for the diarrheal disease cryptosporidiosis that ...
On global warming, settled science and George Brandis
The Australian Attorney General, Senator George Brandis is no stranger to controversy. His statement in parliament that "people do have a right to be bigots" rapidly gained him notoriety, and it isn't hard to understand why ...
Mapping the road to quantum gravity
The road uniting quantum field theory and general relativity – the two great theories of modern physics – has been impassable for 80 years. Could a tool from condensed matter physics finally help map ...
Oceanographer Ballard elected to American Academy
The University of Rhode Island oceanography professor best known for discovering the wreck of the Titanic has been elected a member of the American Academy of Arts and Sciences.
Microbes provide insights into evolution of human language
Big brains do not explain why only humans use sophisticated language, according to researchers who have discovered that even a species of pond life communicates by similar methods.
Pregnancy complications may be more common in immigrants from certain regions
Pregnant immigrants from Sub-Saharan Africa, Latin America and Caribbean islands may require increased monitoring during pregnancy, according to new research from St. Michael's Hospital.
Drought may take toll on Congo rainforest, study finds
(Phys.org) —A new analysis of NASA satellite data shows Africa's Congo rainforest, the second-largest tropical rainforest in the world, has undergone a large-scale decline in greenness over the past decade.
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