Last update Long distance calls by sugar molecules, 5 hours ago
All our cells wear a coat of sugar molecules, so-called glycans. ETH Zurich and Empa researchers have now discovered that glycans rearrange water molecules over long distances. This may have an effect on ...
5 hours ago
4.3 / 5 (3)
0
|
(Phys.org) —A new study confirms directly what scientists previously knew only indirectly: The poisonous "rotten egg" gas hydrogen sulfide is generated by our body's growing cells. Hydrogen sulfide, or ...
6 hours ago
5 / 5 (3)
1
|
(Phys.org) —A new study confirms directly what scientists previously knew only indirectly: The poisonous "rotten egg" gas hydrogen sulfide is generated by our body's growing cells. Hydrogen sulfide, or ...
6 hours ago
5 / 5 (3)
1
|
(Phys.org) —Taking a page from computer-aided drug designers, Rice University researchers have developed a computational method that chemists can use to tailor the properties of zeolites, one of the world's ...
14 hours ago
5 / 5 (2)
1
|
Small molecules of RNA (tens to hundreds of nucleotides in length) play a key regulatory role in bacteria. Due to their small size, directly measuring the number of small RNA (sRNA) present in a single bacterium ...
11 hours ago
3 / 5 (1)
0
Researchers at IRB Barcelona and IBEC achieve photo-switchable molecules to control protein-protein interactions in a remote and non-invasive manner. These tools will serve as a prototype to develop photo-switchable ...
12 hours ago
5 / 5 (1)
0
Researchers working to design new materials that are durable, lightweight and environmentally sustainable are increasingly looking to natural composites, such as bone, for inspiration: Bone is strong and ...
Jun 17, 2013
5 / 5 (9)
1
|
Mannitol, a sugar alcohol produced by fungi, bacteria, and algae, is a common component of sugar-free gum and candy. The sweetener is also used in the medical field—it's approved by the FDA as a diuretic ...
Jun 17, 2013
5 / 5 (6)
0
|
Home remodelers understand the concept of improving original foundations with more modern elements. Using this same approach—but with chemistry—researchers in the University of Pittsburgh's Kenneth P. Dietrich School ...
Jun 17, 2013
5 / 5 (1)
0
|
Efficient, robust and economic catalyst materials hold the key to achieving a breakthrough in fuel cell technology. Scientists from Jülich and Berlin have developed a material for converting hydrogen and ...
Jun 17, 2013
4.8 / 5 (4)
0
|
Due to the fluctuating availability of solar energy, storage solutions are urgently needed. One option is to use the electrical energy generated inside solar cells to split water by means of electrolysis, ...
Jun 17, 2013
not rated yet
0
|
The harder you pull, the quicker it goes. At least, that used to be the rule in mechanochemistry, a method that researchers apply to set chemical reactions in motion by means of mechanical forces. However, ...
Jun 17, 2013
5 / 5 (2)
0
|
MIT chemical engineers have devised a cheaper way to synthesize a key biofuel component, which could make its industrial production much more cost-effective.
Jun 17, 2013
4.3 / 5 (6)
0
|
(Phys.org) —In research published in Biochemical and Biophysical Research Communications, Saint Louis University researchers describe a technology that can detect new, previously unknown viruses. The te ...
Jun 17, 2013
4.5 / 5 (2)
0
Researchers from Ulsan National Institute of Science and Technology (UNIST), S. Korea, developed a novel, simple method to synthesize hierarchically nanoporous frameworks of nanocrystalline metal oxides such ...
Jun 17, 2013
not rated yet
0
Chemists of Radboud University Nijmegen have found that a uniquely shaped enzyme that has never been seen before in biology is real: two interlocked ring structures, known as catenanes . The results have ...
Jun 17, 2013
5 / 5 (2)
0
(Phys.org) —A novel process for selecting and examining protein microcrystals, which can be essential for understanding biological functions, is expected to save precious research days and resources and ...
Jun 17, 2013
5 / 5 (2)
0
Chemists at Indiana University Bloomington have created a symmetrical, five-sided macrocycle that is easy to synthesize and has characteristics that may help expand the molecular tool box available to researchers ...
Jun 16, 2013
5 / 5 (8)
2
|
More than one third of the total plastic production in Europe—about 14 million tonnes per year—are polyolefins, also known as polyalkenes. This is a family of polymers used for the manufacture of a variety ...
Jun 14, 2013
4.8 / 5 (8)
2
(Phys.org) —Viruses are masters of minimalist design. With only a simple genome and a handful of proteins, a virus can hijack much more sophisticated cells and mimic many of the intra- and inter-cellular ...
Jun 14, 2013
5 / 5 (1)
0
|
(Phys.org) —A team of chemists with members from Sweden and the United States has succeeded in capturing the process by which yeast aquaporin transport water across cell membranes while preventing unwanted ...
Jun 14, 2013
4.5 / 5 (2)
0
|
The method developed by the group in Lund is based on human cells grown in a laboratory. The cells are exposed to a chemical and then parts of their genetic content are filtered out and transferred to a microchip.
Jun 14, 2013
5 / 5 (3)
0
In a piece of work carried out by the Carbohydrate Metabolism Research Team of the Institute of Agrobiotechnology (a centre jointly owned by the NUP/UPNA-Public University of Navarre, the Spanish National Scientific Research ...
Jun 14, 2013
not rated yet
0
This new technology, developed by the Research Group in Carbon Materials and Environmental allows, through a catalytic system active, efficient and stable over time, to eliminate nitrous oxide decomposing ...
Jun 13, 2013
5 / 5 (2)
4
DNA-coated colloids have been used to create novel self-assembling materials in a breakthrough experiment by EPFL and University of Cambridge scientists.
Jun 13, 2013
5 / 5 (8)
1
|
More news
Other news
(Phys.org) —What would you do with a camera that can take a picture of something and tell you how new it is? If you're Berkeley Lab scientists Katherine Louie, Ben Bowen, Jian-Hua Mao and Trent Northen, ...
Research by Indiana University environmental scientists shows that air-pollution-removal technology used in "self-cleaning" paints and building surfaces may actually cause more problems than they solve.
(Phys.org) —Sandia National Laboratories researchers want airports, border checkpoints and others to detect homemade explosives made with hydrogen peroxide without nabbing people whose toothpaste happens ...
(Phys.org) —University of Wollongong scientists have developed a novel way to turn sea water into hydrogen, for a sustainable and clean fuel source.
Life-threatening bacterial infections cause tens of thousands of deaths every year in North America. Increasingly, many infections are resistant to first-line antibiotics. Unfortunately, current methods of culturing bacteria ...
The origins of a young animal might have a significant impact on its behavior later on in life. Researchers at the Max Planck Institute for Ornithology in Radolfzell, Germany, have been able to demonstrate ...
The world's largest fully solar-powered boat, "Turanor PlanetSolar," docked in New York on Tuesday during a mission to study the effects of climate change on the Gulf Stream current.
The history of a new type of crab, nicknamed 'The Hoff' because of its hairy chest, which lives around hydrothermal vents deep beneath the Southern Ocean and Indian Ocean, has been revealed for the first ...
Researchers at the University of Exeter found that older male burying beetles make better fathers than their younger counterparts. The study found that mature males, who had little chance of reproducing again, ...
(Phys.org) —How are engineers doing in solving the problem of large-sized all electric transport vehicles traveling long distances without the burden of large batteries? One workaround that has been the ...
(Phys.org) —3D printing can now be used to print lithium-ion microbatteries the size of a grain of sand. The printed microbatteries could supply electricity to tiny devices in fields from medicine to communications, ...
Inside each of us is our own internal timing device. It drives everything from sleep cycles to metabolism, but the inner-workings of this so-called "circadian clock" are complex, and the molecular processes behind it have ...
(Phys.org) —Artifacts from the Middle Stone Age, which lasted from about 200,000 to 50,000 years ago, provide us with the earliest glimpses of modern human art and culture. Previously, scientists thought ...
Behind the common expression "you can't compare apples to oranges" lies a fundamental question of neuroscience: How does the brain recognize that apples and oranges are different? A group of neuroscientists ...
(Phys.org) —As the closest planet to Earth, Venus is a relatively easy object to observe. However, many mysteries remain, not least the super-rotation of Venus' atmosphere, which enables high altitude winds ...
(Phys.org) —The long search for the location of a rare element within nuclear fuel particles has ended. Researchers have finally pinpointed where silver congregates inside irradiated particles of a new ...
(Phys.org) —Pixie dust may be the stuff of fanciful fiction, but for scientists at UC Santa Barbara's Department of Materials, a commonly used sugar-based additive has been found to have properties that ...
New research shows that exposing polymer molecular sieve membranes to ultraviolet (UV) irradiation in the presence of oxygen produces highly permeable and selective membranes for more efficient molecular-level ...
(Phys.org) —Polymer brushes are polymers in which individual polymer chains stand side by side on a surface, causing the chains to stick out like bristles on a brush. In the journal Angewandte Chemie, Americ ...
Spit. Drool. Dribble. Saliva is not normally a topic of polite conversation, but it may be the key to explaining the age and sex bias exhibited by influenza and other diseases, according to a new study. Published ...
While residual medications don't belong in the water, trace metals from industrial process waters handled by the recycling industry are, in contrast, valuable resources. Scientists at the Helmholtz-Zentrum ...
(Phys.org) —In the human body, lipids do not only serve as energy stores and structural elements, but they are also important signaling molecules. Disruptions of lipid signal transmission seem to be involved ...
A major ingredient in those green coffee bean dietary supplements—often touted as "miracle" weight-loss products—doesn't prevent weight gain in obese laboratory mice fed a high-fat diet when given at ...
Tesla Motors said Thursday it would demonstrate a way to quickly recharge electric cars by swapping drained batteries for fresh power cells.
Controversial deals that delay generic versions of drugs coming onto the market can lead to consumers paying significantly more for some treatments, according to new research by an academic from the University of East Anglia ...
(Phys.org) —Two research teams working independently at two different particle accelerators have found evidence of what appears to be a four-quark particle that has come to be called Zc(3900). Both teams ...
(Phys.org) —TED Talks, the most popular conference and events website in the world with over 1 billion informational videos viewed, provides academics with increased popular exposure but does nothing to ...
(Medical Xpress)—A team of combined researchers from Columbia Business School and Singapore Management University has found that people who have learned a second language become less proficient at speaking ...
A magnetic phenomenon newly discovered by MIT researchers could lead to much faster, denser and more energy-efficient chips for memory and computation.
(Phys.org) —Researchers at a SLAC/Stanford institute have made the first direct images of electrical currents flowing along the edges of a topological insulator – a recently discovered state of matter ...
Anyone who has ever owned a pet will tell you that it has a unique personality. Yet only in the last 10 years has the study of animal personality started to gain ground with behavioral ecologists, said Jennifer ...
Daily supplementation of iron tablets to pregnant women does not provide any benefits in birth weight or improved infant growth compared to twice weekly supplementation, according to a study by international researchers published ...
(Phys.org) —On July 19, 2013, NASA's Cassini spacecraft will be turned to image Saturn and its entire ring system during a total eclipse of the sun, as it has done twice before during its previous 9 years ...
Scientists at the University of Alaska Fairbanks identified a new tool that can dramatically improve the notoriously inaccurate surveys of what and how much an individual eats and drinks. Their research is ...
Recent research has shown that cancer cells have a much different – and more complex – metabolism than normal cells. Now, scientists at The University of Texas at Dallas have found that exploiting these differences might ...
(HealthDay)—The rate of complications, length of stay, and costs associated with surgery for lumbar spinal stenosis differ for African-American patients compared with white patients, according to research ...
Corporate raider Carl Icahn revamped his proposal Tuesday for embattled computer company Dell, calling for a big share buyback in a plan which would keep the company public.
A new commercial venture, using technology developed at Case Western Reserve University's College of Arts and Sciences and Case School of Engineering, has made available avatars—virtual patients—to train speech-language ...
DreamWorks Animation SKG Inc. says its new deal to provide original TV shows to Netflix will help it double the revenue it gets from TV shows to $200 million by 2015.
A protein secreted by the chlamydia bug has a very unusual structure, according to scientists in the School of Medicine at The University of Texas Health Science Center San Antonio. The discovery of the protein's shape could ...
(Phys.org) —Rice University researchers have for the first time detailed the molecular mechanism that makes a particular combination of cement and polymer glue so tough.
(Phys.org) —Conditions such as celiac disease, phenylketonuria, lactose intolerance and exocrine pancreatic disease involve abnormal enzyme activity. Enzymes administered orally could help sufferers. However, ...
(Phys.org) —Diabetes patients often receive their diagnosis after a series of glucose-related blood tests in hospital settings, and then have to monitor their condition daily through expensive, invasive ...
(Phys.org) —With the daily mean concentrations of atmospheric carbon dioxide having reached 400 parts-per-million for the first time in human history, the need for carbon-neutral alternatives to fossil ...
Scientists are expecting a very large "dead zone" in the Gulf of Mexico and a smaller than average hypoxic level in the Chesapeake Bay this year, based on several NOAA-supported forecast models.
Researchers have discovered and mapped the signaling network between two previously unconnected proteins, exposing a link that, if broken, could cut off cancer cell growth at its starting point.
It's not a hacker lab. At Brandeis University, sophisticated computational models and advances in graphical processing units are helping scientists understand the complex interplay between genomic data, virus structure and ...
Is the US Tea Party movement a racial backlash against President Obama? A new study by Angie Maxwell from the University of Arkansas, and Wayne Parent from Louisiana State University, assesses whether racial attitudes are ...
When it comes to shopping for health care services, few publicly available tools help patients measure the best bang for their buck, according to a new study in the Journal of the American Medical Association (JAMA).
Astrophysicists from the Complutense University of Madrid have confirmed that Crantor, a large asteroid with a diameter of 70 km has an orbit similar to that of Uranus and takes the same amount of time to ...
Find more news articles via sort by date page
