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New techniques use lasers, LEDs, and optics to 'see' under the skin 2013-07-29

By SPIE Digital Library

Scientists report on new non-invasive optical techniques using lasers, light-emitting diodes, and spectroscopic methods to probe and render images from beneath the surface of the skin. The technologies have a wide variety of medical and cosmetic applicati

Laser-controlled molecular switch turns blood clotting on, off on command 2013-07-29

By Public Library of Science

Researchers have designed tiny, light-controlled gold particles that can release DNA controls to switch blood clotting off and on.

US physicians put patients' best interests above concerns about health care costs 2013-07-29

By Mayo Clinic

A new study of attitudes about health care costs reveals that an overwhelming majority of U.S. physicians feel a responsibility to address costs, but prioritize their obligations to patients’ best interests over cost concerns.

Novel nanometer scaffolds regulate the biological behaviors of neural stem cells 2013-07-29

By Neural Regeneration Research

The surface characteristics of nanoscaffolds made by nanotechnology are more similar to the three-dimensional topological structure of the extracellular matrix and the effects on the biological behaviors of cells and tissue repair are more beneficial.

Marijuana use in adolescence may cause permanent brain abnormalities, mouse study suggests 2013-07-29

By University of Maryland Medical Center

Regular marijuana use in adolescence, but not adulthood, may permanently impair brain function and cognition, and may increase the risk of developing serious psychiatric disorders such as schizophrenia, according to a recent study.

Bad night's sleep? The moon could be to blame 2013-07-29

By Cell Press

Many people complain about poor sleep around the full moon, and now a report offers some of the first convincing scientific evidence to suggest that this really is true. The findings add to evidence that humans -- despite the comforts of our civilized wor

Pressurized virus blasts its infectious DNA into human cells 2013-07-29

By American Chemical Society

The virus that causes those painful lip blisters known as cold sores has an internal pressure eight times higher than a car tire, and uses it to literally blast its infectious DNA into human cells, scientists are reporting in a new study. Discovery of the

'Epilepsy in a dish': Stem cell research reveals clues to disease's origins and may aid search for better drugs 2013-07-29

By University of Michigan Health System

A new stem cell-based approach to studying epilepsy has yielded a surprising discovery about what causes one form of the disease, and may help in the search for better medicines to treat all kinds of seizure disorders.

A quick test for the Black Death 2013-07-29

By Max-Planck-Gesellschaft

Diagnosing the presence of Yersinia pestis, the cause of plague, may soon be easier than ever before. Scientists have come up with a simple, inexpensive and reliable method of detecting the bacterium. The research team, specialising in glycochemistry and

Improving medicine acceptance in kids: A matter of taste 2013-07-29

By Monell Chemical Senses Center

Many children reject medicines due to an aversion to bitter taste. As such, bitterness presents a key obstacle to the acceptance and effectiveness of beneficial drugs by children worldwide. A new review addresses this critical problem by highlighting rece

Nano scientists reach holy grail in label-free cancer marker detection: Single molecules 2013-07-29

By Polytechnic Institute of New York University

Scientists have announced a nano-enhanced version of a biosensor has detected a single cancer marker protein and even smaller molecules below the mass of all known markers. This achievement sets a new benchmark for the most sensitive limit of detection, a

Pathways activated in most K9 bone tumors not driving the worst bone tumors 2013-07-29

By University of Colorado Cancer Center

A new study shows NOTCH signaling elevated in K9 osteosarcoma, but aspects of Notch signaling noticeably deactivated in the worst cancers.

Flow restrictors may reduce young children's accidental ingestion of liquid medications 2013-07-29

By Elsevier

Over 500,000 calls are made to poison control centers each year after accidental ingestion of medications by young children, and the number of emergency department visits for unsupervised medication ingestions is rising. In a new study, researchers studie

How brain cells change their tune 2013-07-29

By NIH/National Institute of Neurological Disorders and Stroke

Researchers may have answered a long-standing, fundamental question about how brain cells communicate by showing that brief bursts of chemical energy coming from rapidly moving power plants, called mitochondria, may tune synaptic transmission.

New light shed on cause of pandemic influenza 2013-07-29

By The Hong Kong Polytechnic University

With the use of sophisticated mathematical modelling techniques, mathematicians have completed a study that explains the phenomenon of multiple waves of influenza pandemic in the last century.

HPV's link to esophageal cancer 2013-07-29

By University of New South Wales

The human papillomavirus triples the risk of people developing yet another cancer, esophageal squamous cell carcinoma, according to new research.

Potential new target to treat malignant pleural mesothelioma 2013-07-29

By International Association for the Study of Lung Cancer

Researchers conclude that Ephrin B2 seems to play an important role in malignant pleural mesothelioma cell lines and tumors.

'Weightism' increases risk for becoming, staying obese 2013-07-29

By Public Library of Science

Weight discrimination may increase risk for obesity rather than motivating individuals to lose weight, according to new research.

Does the dangerous new Middle East coronavirus have an African origin? 2013-07-29

By Universität Bonn

The MERS-coronavirus is regarded as a dangerous novel pathogen: Almost 50 people have died from infection with the virus since it was first discovered in 2012. To date all cases are connected with the Arabian peninsula. Scientists have now detected a viru

Silky brain implants may help stop spread of epilepsy 2013-07-29

By NIH/National Institute of Neurological Disorders and Stroke

Silk has walked straight off the runway and into the lab. According to a new study, silk implants placed in the brain of laboratory animals and designed to release a specific chemical, adenosine, may help stop the progression of epilepsy.

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