Tech

Shaping the future of nanocrystals

The first direct observations of how facets form and develop on platinum nanocubes point the way towards more sophisticated and effective nanocrystal design and reveal that a nearly 150 year-old scientific law describing crystal growth breaks down at the nanoscale.

Low birth weight linked to higher incidence of type 2 diabetes in African American women

(Boston) — African American women born at a low or very low birth weight may be at a higher risk for developing type 2 diabetes. The findings, which appear in Diabetes Care, may explain in part the higher occurrence of type 2 diabetes in African American populations, which has a high prevalence of low birth weight.

Ice cream: now with more...okra?

CHICAGO -- While okra has been widely used as a vegetable for soups and stews, a new study in the Journal of Food Science, published by the Institute of Food Technologists (IFT), shows how okra extracts can be used as a stabilizer in ice cream.

When it comes to how pizza looks, cheese matters

CHICAGO—Most consumers have an idea what they want their pizza slice to look like. Golden cheese with that dark toasted-cheese color scattered in distinct blistery patches across the surface with a bit of oil glistening in the valleys.

A novel 'man and machine' decision support system makes malaria diagnostics more effective

A Finnish-Swedish research group at the Institute for Molecular Medicine Finland (FIMM), University of Helsinki, and Karolinska institutet, Stockholm, has developed a novel "man and machine" decision support system for diagnosing malaria infection. This innovative diagnostic aid was described in PLOS One scientific journal today, 21 August. The method is based on computer vision algorithms similar to those used in facial recognition systems combined with visualization of only the diagnostically most relevant areas. Tablet computers can be utilized in viewing the images.

Scientists observe quantum vortices in cold helium droplets

An international research team including DESY scientists has observed tiny quantum vortices in cold droplets of liquid helium. The team reports in the journal Science that the exotic vortices arrange themselves as densely packed lattices inside the nanodroplets. It is the first time that the quantum vortices, which have already been observed in larger samples of what is known as superfluid helium, have been detected in nanodroplets.

Laser device may end pin pricks, improve quality of life for diabetics

Princeton University researchers have developed a way to use a laser to measure people's blood sugar, and, with more work to shrink the laser system to a portable size, the technique could allow diabetics to check their condition without pricking themselves to draw blood.

Novel recycling methods: The fluorescent fingerprint of plastics

Researchers at Ludwig-Maximilians-Universitaet (LMU) in Munich have developed a new process which will greatly simplify the process of sorting plastics in recycling plants. The method enables automated identification of polymers, facilitating rapid separation of plastics for re-use.

Hacking Gmail with 92 percent success

RIVERSIDE, Calif. — A team of researchers, including an assistant professor at the University of California, Riverside Bourns College of Engineering, have identified a weakness believed to exist in Android, Windows and iOS mobile operating systems that could be used to obtain personal information from unsuspecting users. They demonstrated the hack in an Android phone.

Modeling polyelectrolytes, including DNA and RNA

Researchers from North Carolina State University have developed a novel and versatile modeling strategy to simulate polyelectrolyte systems. The model has applications for creating new materials as well as for studying polyelectrolytes, including DNA and RNA.

"Our new technique allows us to model much larger and more complex polyelectrolyte systems, and to do so much more quickly," says Nan Li, lead author of a paper on the work and a Ph.D. student in NC State's Department of Materials Science and Engineering. "This is a big step forward for this field."

Adherence to diet can be measured from blood

New results from the Nordic SYSDIET study show that it's possible to assess dietary compliance from a blood sample. This is especially useful in controlled dietary intervention studies investigating the health benefits of specific diets. So far, such studies have mainly relied on the participants' self-reported dietary intake, which is often biased, making it more difficult to assess the real health benefits.

Water leads to chemical that gunks up biofuels production

RICHLAND, Wash. -- Trying to understand the chemistry that turns plant material into the same energy-rich gasoline and diesel we put in our vehicles, researchers have discovered that water in the conversion process helps form an impurity which, in turn, slows down key chemical reactions. The study, which was reported online at the Journal of the American Chemical Society, can help improve processes that produce biofuels from plants.

Salt, pink diamonds and DNA: 5 surprising facts about crystals

Many people think of crystals as little more than sparkly things behind glass cases in museums. But crystals are everywhere, from the dinner table to the human body. Because 2014 is the International Year of Crystallography, Reactions is celebrating with a video highlighting five surprising facts about crystals.

Lyme disease risk is year-round in Northwest California, according to new study

SILICON VALLEY, Calif., August 19, 2014 -- Bay Area Lyme Foundation, which aims to make Lyme disease easy to diagnose and simple to cure, applauds new research published in an upcoming issue of the Elsevier peer review journal Ticks and Tick-borne Diseases. The findings show that ticks that carry Lyme disease in Northwest California are active throughout the year, making the threat of Lyme disease year-round. The research was conducted by researchers at California Department of Public Health (CDPH) Vector-borne Disease Section and University of California, Berkeley (UC-B).

Seeing a molecule breathe

For the first time, chemists have succeeded in measuring vibrational motion of a single molecule with a femtosecond time resolution. The study reveals how vibration of a single molecule differs from the behaviour of larger molecular groups.