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Can material rivaling graphene be mined out of rocks? Yes, if...

Can material rivaling graphene be mined out of rocks? Yes, if...
2014-03-12
Will one-atom-thick layers of molybdenum disulfide, a compound that occurs naturally in rocks, prove to be better than graphene for electronic applications? There are many signs that might prove to be the case. But physicists from the Faculty of Physics at the University of Warsaw have shown that the nature of the phenomena occurring in layered materials are still ill-understood and require further research. Graphene has already been hailed as the future of electronics. Built of six-atom carbon rings arranged in a honeycomb-like structure, it forms extremely resilient ...

Transition to ICD-10 may cause information, financial losses for providers

2014-03-12
Health providers may experience information and financial loss during the mandated conversion from the current International Classification of Diseases to its new and improved version, report researchers at the University of Illinois at Chicago. The study, appearing in the March issue of the Journal of Oncology Practice, looked at coding ambiguity for hematology-oncology diagnoses to anticipate challenges all providers may face during the transition from ICD-9-CM to ICD-10-CM. The researchers chose to look at hematology-oncology because prior research suggested that, ...

Two definitions for chronic multisymptom illness afflicting gulf war vets should guide treatment

2014-03-12
WASHINGTON – Two existing definitions of chronic multisymptom illness (CMI) -- one by the Centers for Disease Control and Prevention and another from a study of Kansas Gulf War veterans -- should be used by the U.S. Department of Veterans Affairs to guide research and treatment of Gulf War veterans, says a new report from the Institute of Medicine. Determining which definition to use in different circumstances should be based on specific needs. Furthermore, the term "Gulf War illness" should replace "chronic multisymptom illness" to reflect the group in which the illness ...

Breast cancer gene could play critical role in obesity and diabetes

Breast cancer gene could play critical role in obesity and diabetes
2014-03-12
College Park, Md. -- The gene known to be associated with breast cancer susceptibility, BRCA 1, plays a critical role in the normal metabolic function of skeletal muscle, according to a new study led by University of Maryland School of Public Health researchers. Dr. Espen Spangenburg, associate professor of kinesiology, and his laboratory team are the first to identify that the BRCA1 protein is expressed in the skeletal muscle of both mice and humans, and that it plays a key role in fat storage, insulin response and mitochondrial function in skeletal muscle cells. The research ...

Large waist linked to poor health, even among those in healthy body mass index ranges

2014-03-12
ROCHESTER, Minn. — March 12, 2014 — Having a big belly has consequences beyond trouble squeezing into your pants. It's detrimental to your health, even if you have a healthy body mass index (BMI), a new international collaborative study led by a Mayo Clinic researcher found. Men and women with large waist circumferences were more likely to die younger, and were more likely to die from illnesses such as heart disease, respiratory problems, and cancer after accounting for body mass index, smoking, alcohol use and physical activity. The study is published in the March edition ...

Economic degrowth compatible with wellbeing if work stability is maintained

2014-03-12
Policies aimed at effectively mitigating climate change through a reduction in economic growth and consumption of fossil fuels would have a monetary impact on the economy, but also an impact on the wellbeing and happiness of individuals. Researchers at the Institute for Environmental Science and Technology at the UAB have taken advantage of the current economic crisis to analyse the impact this situation would have. Scientists used data from a survey conducted in 2011 to measure the degree of happiness and satisfaction in a sample of 950 inhabitants from Barcelona, in ...

Boosting self-esteem prevents health problems for seniors

2014-03-12
This news release is available in French. Wednesday, March 12, 2014 — The importance of boosting self-esteem is normally associated with the trials and tribulations of adolescence. But new research from Concordia University shows that it's even more important for older adults to maintain and improve upon those confidence levels as they enter their twilight years. That's because boosting self-esteem can help buffer potential health threats typically associated with the transition into older adulthood. A new study published in the journal Psychoneuroendocrinology, led ...

Bacterium and fungus team up to cause virulent tooth decay in toddlers

Bacterium and fungus team up to cause virulent tooth decay in toddlers
2014-03-12
Early childhood caries, a highly aggressive and painful form of tooth decay that frequently occurs in preschool children, especially from backgrounds of poverty, may result from a nefarious partnership between a bacterium and a fungus, according to a paper published ahead of print in the journal Infection and Immunity. The resulting tooth decay can be so severe that treatment frequently requires surgery—in the operating room, says corresponding author Hyun (Michel) Koo of the University of Pennsylvania. "Our data will certainly open the way to test agents to prevent ...

Majority of transgender patients report negative experiences in emergency departments

2014-03-12
A new study out of Western University (London, Canada) has found the majority of transgender patients have had a negative experience when it comes to receiving emergency department (ED) care. The findings, by first author Greta Bauer, PhD, is in press at the Annals of Emergency Medicine, the official publication of the American College of Emergency Physicians, and is now posted online. The study used respondent-driven sampling, a methodology developed to specifically address the challenge of studying hard-to-reach populations. It relies on a snowball sampling, using ...

Metallurgical challenges in microelectronic 3-D IC packaging technology

2014-03-12
Mobile hand-held consumer electronic products have a rapid growing market today, witnessed by the popularity of Apple products. Most people make their first contact to internet, not by a PC, rather by a smart phone. The phone is no longer a phone, but it provides various functions for communication and for entertainment. Not only we can have recorded information such as books, images, songs, and movies from the phone or i-pad, but also we can have instant information such as traffic jam when we drive home, as well as breaking news at the last moment. It is expected that ...

Higher levels of CSF alpha-synuclein predict faster cognitive loss in Parkinson's disease

2014-03-12
Philadelphia, PA, March 11, 2014 – The course of Parkinson disease (PD) can vary from gradual deterioration to precipitous decline in motor or cognitive function. Therefore identifying predictors of progression can benefit understanding of PD disease progression and impact management. Data from 304 PD patients followed for up to 8 years indicate that patients with higher cerebrospinal fluid (CSF) alpha-synuclein levels experienced faster cognitive decline in the following months, although no associations were found between alpha-synuclein levels and motor changes. The results ...

Hasbro Children's Hospital study finds texting program good option for teen girls' health

2014-03-12
PROVIDENCE, R.I. – Megan Ranney, M.D., M.P.H., an emergency medicine attending physician at Hasbro Children's Hospital, recently led a study that found a text-message program may be an effective violence prevention tool for at-risk teen girls. The study has been published online in the Journal of Adolescent Health. "Mobile health, or 'mHealth,' is increasingly being used as a way to improve people's health, via text-messaging or phone-based applications," said Ranney. "However, few people have studied whether teens are interested in mHealth, especially for prevention-type ...

Wishing to be another gender: Links to ADHD and autism spectrum disorders

2014-03-12
Children and teenagers with an autism spectrum disorder or those who have attention deficit and hyperactivity problems are much more likely to wish to be another gender. So says John Strang of the Children's National Medical Center in Washington, DC, USA, leader of the first study to compare the occurrence of such gender identity issues among children and adolescents with and without specific neurodevelopmental disorders. The paper is published in Springer's journal Archives of Sexual Behavior. Children between 6 and 18 years old were part of the study. They either had ...

Lawns across America: Is the US becoming 1 shade of green?

Lawns across America: Is the US becoming 1 shade of green?
2014-03-12
Boston and Baltimore. Miami and Minneapolis. Phoenix and Los Angeles. Fanned across the United States and in locations from coast to prairie to desert, what do these cities have in common? How their human residents manage that icon of America, the urban lawn, or so hypothesized a team of scientists. However, when they conducted a study comparing residential landscapes in these six cities, they discovered that lawn care practices had fewer similarities than they expected. Ecologists Colin Polsky of Clark University in Worcester, Mass., Peter Groffman of the Cary Institute ...

Climate of Genghis Khan's ancient time extends long shadow over Asia of today

Climate of Genghis Khans ancient time extends long shadow over Asia of today
2014-03-12
Climate was very much on Genghis Khan's side as he expanded his Mongol Empire across northeastern Asia. That link between Mongolia's climate and its human history echoes down the centuries, according to findings reported in this week's issue of the journal Proceedings of the National Academy of Sciences (PNAS). But climate may no longer be the boon it was during the latter, wetter part of Genghis Khan's reign. The early years were marked by drought. Mongolia's current drought conditions could have serious consequences for the Asia region's human and other inhabitants. The ...

NASA sees remnants of Tropical Cyclone Hadi in So. Pacific

NASA sees remnants of Tropical Cyclone Hadi in So. Pacific
2014-03-12
Tropical Cyclone Hadi is now a remnant low pressure area in the Southern Pacific Ocean. NASA's Aqua satellite passed over the storm and captured a visible image of it on March 12. When NASA's Aqua satellite flew over Hadi's remnants, the MODIS instrument aboard captured a visible image that showed the strongest thunderstorms associated with the low appeared south of the center of circulation. The center was located near 15.1 south and 156.1 east, about 585 nautical miles/673.2 miles/ 1,083 km west of Vanuatu. The Joint Typhoon Warning Center or JTWC noted that animated ...

Skating to the puck or avoiding the penalty box in health care?

2014-03-12
LEBANON, NH (March 12, 2014) – In a Viewpoint published in the March issue of JAMA, Researcher Jeremiah Brown of The Dartmouth Institute for Health Policy & Clinical Practice and colleagues, Hal Sox and David Goodman, question whether the Centers for Medicare & Medicaid Services' use of financial penalties is the right tack for changing the behavior of hospitals. The researchers examine the pros and cons of the hospital readmissions reduction policy in the Affordable Care Act as an example of similar CMS initiatives. "Using financial incentives to change practice ...

The immune system's redesigned role in fighting cancerous tumors

2014-03-12
LOS ANGELES (March 11, 2014) – Researchers in the Cedars-Sinai Samuel Oschin Comprehensive Cancer Institute eradicated solid tumors in laboratory mice using a novel combination of two targeted agents. These two synergistic therapies stimulate an immune response, ultimately allowing solid tumors to act as their own cancer-fighting vaccine. The study's findings, published in the journal Cancer Research, are the first to use these combined agents as an immune stimulator and may have the potential to kill cancerous cells in solid tumors, including some of the most aggressive ...

Fruit flies help uncover tumor-preventing protein complex

Fruit flies help uncover tumor-preventing protein complex
2014-03-12
A team of researchers from Duke-NUS Graduate Medical School have discovered a protein complex that disrupts the process known as dedifferentiation (1), known to promote tumor development. Dedifferentiation (reversion) is a process that leads progenitor (2) or mature cells to become 'ectopic neural stem cells' which causes tumors. By detecting this protein complex, Duke-NUS researchers have shed light on a process that inhibits tumor development and gives hope for the discovery of therapies and treatments that target tumor prevention through this pathway. Researchers ...

Researchers slow pancreatic cancer growth by blocking key enzyme

2014-03-12
A research team from Imperial College London has shown that blocking the function of an enzyme known as Hhat slows the growth and spread of pancreatic cancer, by preventing a protein called Hedgehog from stimulating nearby normal cells to help the cancer. The study, funded by the UK research charity Pancreatic Cancer Research Fund, examined the role of Hedgehog, whose usual job is to send signals to cells in embryos to divide and grow into the correct body parts. But while Hedgehog usually switches off when the embryo is formed, in many cancers, including pancreatic, ...

Superior visual thinking may be key to independence for high schoolers with autism

Superior visual thinking may be key to independence for high schoolers with autism
2014-03-12
Researchers at UNC's Frank Porter Graham Child Development Institute (FPG) and UNC's School of Education report that teaching independence to adolescents with autism can provide a crucial boost to their chances for success after high school. "We explored many factors that contribute to the poor outcomes people with autism often experience," said Kara Hume, co-principal investigator of FPG's Center on Secondary Education for Students with Autism Spectrum Disorders (CSESA). "It's clear that teaching independence to students with autism should be a central focus of their ...

Chronic pain research explores the brain

2014-03-12
New insights into how the human brain responds to chronic pain could eventually lead to improved treatments for patients, according to University of Adelaide researchers. Neuroplasticity is the term used to describe the brain's ability to change structurally and functionally with experience and use. "Neuroplasticity underlies our learning and memory, making it vital during early childhood development and important for continuous learning throughout life," says Dr Ann-Maree Vallence, a Postdoctoral Fellow in the University of Adelaide's Robinson Institute. "The mechanisms ...

Surface characteristics influence cellular growth on semiconductor material

Surface characteristics influence cellular growth on semiconductor material
2014-03-12
Changing the texture and surface characteristics of a semiconductor material at the nanoscale can influence the way that neural cells grow on the material. The finding stems from a study performed by researchers at North Carolina State University, the University of North Carolina at Chapel Hill and Purdue University, and may have utility for developing future neural implants. "We wanted to know how a material's texture and structure can influence cell adhesion and differentiation," says Lauren Bain, lead author of a paper describing the work and a Ph.D. student in ...

Alpha-synuclein effects on dopaminergic neurons: Protection or damage?

Alpha-synuclein effects on dopaminergic neurons: Protection or damage?
2014-03-12
Alpha-synuclein is a principal component of Lewy bodies and Lewy neurites, which are pathologic hall-marks of Parkinson's disease. Alpha-synuclein is generally considered to play a role in synaptic activity, although its function remains largely unknown. Accumulative evidence has been shown that aggregated extracellular alpha-synuclein fibrils can be internalized in the cells and enhance the intracellular formation of protein inclusions, leading to cell death. Conversely, there is emerging evidence suggesting that alpha-synuclein has also neuroprotective effects. In one ...

PD-L1: A potential treatment target for multiple sclerosis

PD-L1: A potential treatment target for multiple sclerosis
2014-03-12
Experimental allergic encephalomyelitis is a mouse model of human multiple sclerosis with similar pathology and pathogenesis. Th1 cells play an important role in the pathogenesis of experimental allergic encephalomyelitis. Therefore, Qun Xue, Fanli Dong and co-workers from the First Affiliated Hospital of Soochow University in China speculated that programmed cell death 1 ligand 1 (PD-L1) plays an important role in the pathogenesis of multiple sclerosis. A recent study by these researchers published in the Neural Regeneration Research (Vol. 8, No. 35, 2013) found that the ...
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