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Smart label could one day let you know when to toss food and cosmetics (video)

EurekAlert! - Dom, 08/20/2017 - 22:00
Detecting food and cosmetic spoilage and contamination. Identifying new medicinal plants in a remote jungle. Authenticating tea and wine. Scientists have developed a low-cost, portable, paper-based sensor that can potentially carry out all of these functions with easy-to-read results. The researchers are presenting their results today at the 254th National Meeting & Exposition of the American Chemical Society.

Clay-based antimicrobial packaging keeps food fresh

EurekAlert! - Dom, 08/20/2017 - 22:00
Sometimes it seems as if fresh food goes bad in the blink of an eye. Consumers are left feeling frustrated, turning to cheaper, processed foods. Now scientists report that they developed a packaging film coated with clay nanotubes containing an antibacterial essential oil. The film prevents over ripening and microbial growth, improving the shelf life of perishables. The researchers are presenting their results today at the 254th National Meeting & Exposition of the American Chemical Society.

New vaccine could someday fight the effects of opioid combinations

EurekAlert! - Dom, 08/20/2017 - 22:00
Substance abuse is a continuing problem in the US, to the point of being an 'epidemic.' Treatments exist, but far too often patients relapse with devastating impacts on themselves and those around them. Now, scientists report that they have made progress toward a vaccine against the effects of fentanyl, a synthetic opioid, in combination with heroin. The researchers are presenting their research at the 254th National Meeting & Exposition of the American Chemical Society.

Sopping up sunblock from oceans to save coral reefs (video)

EurekAlert! - Dom, 08/20/2017 - 22:00
Coral reefs can't seem to catch a break. Not only are rising temperatures wreaking havoc with their environment, but emerging evidence suggests that a certain sunblock component is a coral killer. Now, researchers have developed a biodegradable bead that can soak up the sunblock ingredient, oxybenzone, like a thirsty sea sponge. The researchers are presenting their results at the 254th National Meeting & Exposition of the American Chemical Society.

Remarkable artistry hidden in ancient Roman painting revealed

EurekAlert! - Dom, 08/20/2017 - 22:00
Molten lava, volcanic ash, modern grime, salt, humidity. The ancient painting of a Roman woman has been through it all, and it looks like it. Scientists now report that a new type of high-resolution X-ray technology is helping them discover just how stunning the original portrait once was, element-by-element, which could help them restore the painting. The researchers are presenting their results at the 254th National Meeting & Exposition of the American Chemical Society.

Avocado seed husks could be a gold mine of medicinal and industrial compounds

EurekAlert! - Dom, 08/20/2017 - 22:00
In a first-of-its-kind study, scientists report that avocado seed husks, which are usually discarded along with the seed, contain a plethora of useful chemical compounds. They say these compounds could eventually be used to treat a host of debilitating diseases, as well as to enhance the allure of cosmetics, perfumes and other consumer goods. The researchers are presenting their results at the 254th National Meeting & Exposition of the American Chemical Society.

Licorice is a hot trend in hot flashes, but could interact with medications

EurekAlert! - Dom, 08/20/2017 - 22:00
Licorice roots have a flavorful history, having been used in ancient Egyptian teas and in traditional Chinese medicines, all the way to today as a flavoring agent and candy. And some women now take licorice extracts as supplements to treat menopausal symptoms. But scientists caution that licorice could pose a health risk by interacting with medications. The researchers are presenting their results today at the 254th National Meeting & Exposition of the American Chemical Society.

Racial stereotypes influence perception of NFL quarterbacks

EurekAlert! - Dom, 08/20/2017 - 22:00
Racial stereotypes affect the public's perception of NFL quarterbacks and may, in some cases, become a self-fulfilling prophecy for black athletes, new University of Colorado Boulder research shows.

Behavior theory may offer key to ensuring infants are put to sleep safely

EurekAlert! - Dom, 08/20/2017 - 22:00
It is still common for infants to be placed in unsafe sleeping positions by their caregivers, report researchers from Yale and Boston University (BU). Fewer than half of infants are always placed on their backs for sleep, the recommended safe sleep position.

Comparison of screening recommendations indicates annual mammography

EurekAlert! - Dom, 08/20/2017 - 22:00
When to initiate screening for breast cancer, how often to screen, and how long to screen are questions that continue to spark emotional debates.

Sedentary behavior increases risk of death for frail, inactive adults

EurekAlert! - Dom, 08/20/2017 - 22:00
Sedentary time, for example, time spent sitting, increases the risk of death for middle-aged and older people who are frail and inactive, but does not appear to increase the risk for non-frail people who are inactive, according to a new study published in CMAJ.

Key protein to regulate synapse formation

EurekAlert! - Sáb, 08/19/2017 - 22:00
Korean researchers have identified the control mechanism of synapse formation using a protein crystallography method. It is expected to be used in the study of brain diseases caused by dysfunction of synapses and to develop therapeutic drugs.

3-D particle tracking? There's an app for that

EurekAlert! - Sáb, 08/19/2017 - 22:00
Smartphones put state-of-the-art 3-D particle tracking in the hands of the masses.

People who hear voices can detect hidden speech in unusual sounds

EurekAlert! - Sáb, 08/19/2017 - 22:00
People who hear voices that other people can't hear may use unusual skills when their brains process new sounds, according to research led by Durham University and University College London (UCL).

Sugars in human mother's milk are new class of antibacterial agents

EurekAlert! - Sáb, 08/19/2017 - 22:00
A new study has found that sugars in mother's' milk do not just provide nutrition for babies but also help protect them from bacterial infections, making them a new class of antimicrobial agent.

Silk could improve sensitivity, flexibility of wearable body sensors

EurekAlert! - Sáb, 08/19/2017 - 22:00
From smart socks to workout clothes that measure exertion, wearable body sensors are becoming the latest 'must-have' technology. Now scientists report they are on the cusp of using silk, one of the world's most coveted fabrics, to develop a more sensitive and flexible generation of these multi-purpose devices that monitor a slew of body functions. The researchers are presenting their results at the 254th National Meeting & Exposition of the American Chemical Society.

Mussel-inspired glue could one day make fetal surgery safer

EurekAlert! - Sáb, 08/19/2017 - 22:00
Whether to perform surgery on a fetus is a heart-wrenching decision. This type of surgery involves penetrating the delicate amniotic sac, increasing health risks to the fetus. Now researchers report the development of a glue, inspired by the tenacious grip of mussels on slippery rocks, that could one day help save the lives of the youngest patients. The researchers present their findings today at the 254th National Meeting & Exposition of the American Chemical Society.

No guts no glory: Harvesting the microbiome of athletes

EurekAlert! - Sáb, 08/19/2017 - 22:00
Scientists have tapped into the microbiome of elite runners and rowers, and have identified particular bacteria that may aid athletic performance. The goal is to develop probiotic supplements that may help athletes -- and even amateur fitness enthusiasts -- recover from a tough workout or more efficiently convert nutrients to energy. The researchers will present their work today at the 254th National Meeting & Exposition of the American Chemical Society.

Sugars in some breast milk could help protect babies from group B strep

EurekAlert! - Sáb, 08/19/2017 - 22:00
Group B strep bacteria remain the leading cause of severe infections in newborns worldwide. Now researchers have found that although the pathogen can be transmitted to infants through breastfeeding, some mothers produce protective sugars in their milk that could help prevent infection and fight biofilm formation -- the first example of carbohydrates in human milk having this function. The researchers are presenting their results at the 254th National Meeting & Exposition of the American Chemical Society.

Testing TVs and tablets for 'green' screens

EurekAlert! - Sáb, 08/19/2017 - 22:00
Today, researchers report preliminary results suggesting that under simulated landfill conditions, quantum dots can leach out of TVs and tablets. But because this happens in such tiny amounts, the team says that in the grand scheme of things, it might make sense to use the more toxic quantum dots that are made with a more eco-friendly process. The researchers are presenting their results at the 254th National Meeting & Exposition of the American Chemical Society.

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