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Here is your customized PHYSorg.com Newsletter for July 18, 2010:
Spotlight Stories Headlines
- Vaccine-delivery patch with dissolving microneedles eliminates 'sharps,' boosts protection- New method revolutionizes study of metal-containing proteins
- Scientists identify key molecular regulator of cardiac hypertrophy
- New technology for high-speed study of zebrafish larvae works in seconds
- Discovery suggests possible treatment strategy for aggressive leukemias
- Unearthing King Tet: Key protein influences stem cell fate
- Scientists develop new genomics-based approach to understand origin of cancer subgroups
- Point-of-sale advertising major cause of teen smoking, study shows
- Magnetic Nanoparticles Remove Ovarian Cancer Cells from the Abdominal Cavity
- Nanoparticles Assembled Inside Tumors Trap Drugs and Imaging Agents
- Solar drone stays aloft for record 7 days: company
- Mayan king's tomb discovered in Guatemala
- Omega imbalance can make obesity 'inheritable': study
- Novel microfluidic HIV test is quick and cheap
Space & Earth news
Once a depression, 6E now a remnant, NASA imagery shows little strength left
The storm known formerly as Tropical Depression 6E, or TD6E, has been downgraded into a remnant low pressure system in the Eastern Pacific Ocean. On July 16 when NASA's Aqua satellite flew over TD6E, the infrared imagery showed a small area of strong convection in the storm.
Experts fear long oil effect on marine life, food chain
Scientists studying the massive BP oil spill fear a decades-long, "cascading" effect on marine life that could lead to a shift in the overall biological network in the Gulf of Mexico.
Technology news
Bieber's 'Baby' is most-watched video on YouTube
(AP) -- Justin Bieber's music video for "Baby" is the most-watched video ever on YouTube.
Google buys Metaweb to 'improve search'
(AP) -- Search giant Google Inc. says it has bought Metaweb Inc., a company that helps connect Internet search words to real-world things.
Google search for Vatican directed to 'paedophile site'
An Internet search for the Vatican through Google threw up a link to a website called pedofilo.com, the Italian word for paedophile, on Saturday.
iPad and other gadgets drain Asia of electronic components
The launch this year of must-have gadgets such as the iPad, the iPhone 4 and a host of other smartphones, tablet computers and 3D televisions is draining the Asian market dry of electronic components.
Apple goes low-tech to solve iPhone woes
Seeking to quell the fuss over reception on the new iPhone, Apple is applying a low-tech solution to a high-tech problem. The California gadget-maker is hoping a 29-dollar rubber-and-plastic case will put an end to the debate over the antenna on what Apple chief executive Steve Jobs calls "perhaps the best product we've ever made."
Telefonica deal to buy Brazil's Vivo falls apart
(AP) -- Spanish telecommunications giant Telefonica on Saturday pulled out of negotiations to acquire a euro7.15 billion ($9.3 billion) stake in Brazil's leading cell phone company Vivo.
Solar drone stays aloft for record 7 days: company
An ultra-light unmanned aircraft powered by solar energy and designed for military surveillance and other uses has stayed in the air a record seven days, its manufacturer said Friday.
Medicine & Health news
UC Berkeley psychologists bring science of happiness to China
(PhysOrg.com) -- The ranks of China's millionaires continue to grow, but the increased wealth has done little to boost the country's gross domestic happiness, according to psychologists at the University of California, Berkeley. They say the pursuit of prosperity in the nation is fast outpacing mental health and well-being, and are seeking to correct that imbalance by spreading the science of happiness in China.
More Research Needed to Verify Effectiveness of ACL and Knee Injury Prevention Programs, Study Says
The jury is still out on the effectiveness of prevention programs for knee injuries in young athletes, according to a study presented today at the American Orthopaedic Society for Sports Medicine Annual Meeting. Better designed research studies are needed before it can be determined that ACL and knee injuries can be prevented with specialized training programs, the study noted.
Simple, Accurate In-Office Tool Predicts Athletes at High-risk for ACL Injury
Previously, determining athletes at high-risk for ACL (anterior cruciate ligament) injuries required expensive and complex laboratory-based motion analysis systems, such as those used in creating video games. But a new study presented today at the American Orthopaedic Society for Sports Medicine's (AOSSM) Annual Meeting, offers physicians a low-cost, in-office, tool to help identify athletes at increased risk.
94 charged in Medicare scams totaling $251M
(AP) -- Elderly Russian immigrants lined up to take kickbacks from the backroom of a Brooklyn clinic. Claims flooded in from Miami for HIV treatments that never occurred. One professional patient was named in nearly 4,000 false Medicare claims.
Early ACL surgery in kids would save money and prevent secondary injuries, study says
Nearly $30 million a year would be saved in hospital charges if early rather than delayed ACL (anterior cruciate ligament) reconstruction surgery was performed on pediatric patients, according to a study presented today at the American Orthopaedic Society for Sports Medicine's (AOSSM) Annual Meeting in Providence, Rhode Island. Additionally, more than 7,300 tears to the meniscus and 7,800 cartilage tears in children could be avoided each year in the U.S. by early ACL surgery.
Routine emergency dept. HIV screenings find only small increase in newly diagnosed HIV patients
The use of routine HIV screening in a hospital emergency department, which patients had the option to decline, was associated with only a modest increase in the number of patients with newly diagnosed HIV infection, compared to physician-directed diagnostic rapid HIV testing, according to a study in the July 21 issue of JAMA, a theme issue on HIV/AIDS.
HIV vaccines may induce HIV antibodies in trial participants, can cause false-positive test result
During trials of preventive HIV vaccines, trial participants may develop HIV-related antibody responses that could lead to a positive HIV test by routine antibody detection methods (called vaccine-induced seropositivity/reactivity [VISP]), and the potential for false-positive test results and an incorrect HIV diagnosis, according to a study in the July 21 issue of JAMA, a theme issue on HIV/AIDS.
New HIV treatment guidelines indicate importance of early, individualized antiretroviral treatment
Advances in antiretroviral treatment (ART) have shown that the progressive immune system destruction caused by HIV infection, including AIDS, can be prevented, indicating the importance of beginning ART early, when a person with HIV infection is without symptoms, according to the 2010 recommendations of the International AIDS Society-USA Panel, published in the July 21 issue of JAMA, a theme issue on HIV/AIDS. This shift to earlier therapy is made possible by the increased understanding of the negative consequences of ongoing HIV replication and the development of newer drugs providing the potential for potent viral suppression in initial and subsequent therapy.
Scientists Find a New Toxin That May be Key to MRSA Severity
A research project to identify all the surface proteins of USA300—the most common community-associated strain of the methicillin-resistant form of the bacterium Staphylococcus aureus (MRSA)—has resulted in the identification and isolation of a plentiful new toxin that laboratory studies indicate is a potent killer of human immune cells.
US fitness guru urges yoga for fat soldiers
Asked by the US military for tips to help combat the growing problem of obesity in the ranks, a popular television fitness guru came up with an unusual answer: mind-soothing and body-bending yoga.
Studies gauge techniques for measuring breast density -- a predictor of cancer
Two new studies announced this week have tested three different methods for accurately measuring breast density -- the relative portion of tissue to fat in a woman's breasts and a strong indicator of breast cancer risk.
New study finds major league pitchers 34 percent more likely to be injured than fielders
Watch out if you are a Major League Baseball (MLB) pitcher prior to the All-Star break. Pitchers are 34 percent more likely to be injured than fielders, according to a study presented today at the American Orthopaedic Society for Sports Medicine's (AOSSM) Annual Meeting. The study looked into the epidemiology of MLB players' injuries from 2002 - 2008. It also found that 77 percent of all injuries to pitchers happen before the All-Star Game.
Study shows how technology may improve treatment for children with brain cancer
A study presented today at the 52nd Annual Meeting of the American Association of Physicists in Medicine (AAPM) shows that children with brain tumors who undergo radiation therapy (the application of X-rays to kill cancerous cells and shrink tumors) may benefit from a technique known as "intensity modulated arc therapy" or IMAT.
Introduction of highly active antiretroviral treatment for HIV patients has halved new HIV diagnoses since 1996
A Canadian study being presented at the forthcoming International AIDS Society (IAS) conference shows that the annual number of new HIV diagnoses has more than halved since the introduction of highly active antiretroviral therapy (HAART) for HIV patients in 1996. For every 100 patients placed on HAART, new HIV diagnoses fell by 3%. The Article is published Online First and written by Professor Julio Montaner, Director, British Columbia Centre for Excellence in HIV/AIDS, Vancouver, BC, Canada, and colleagues.
Cash rewards with counseling could help prevent STIs
Giving out cash can be an effective tool in combating sexually transmitted infections in rural Africa, according to a new study conducted jointly by researchers at the University of California, Berkeley, the Development Research Group at the World Bank and the Ifakara Health Institute in Tanzania.
Half of HIV-exposed babies in parts of Africa not receiving available HIV prevention
In the ongoing battle to prevent mother-to-child transmission of human immunodeficiency virus (HIV), not all weapons are being used: Only about half of HIV-exposed infants in some African countries received a minimal dose of the prevention drug nevirapine, say researchers at the University of Alabama at Birmingham.
FDA cites quality problems at NY brain-imaging lab
(AP) -- A respected brain-imaging center run by Columbia University has halted some research after federal officials repeatedly complained that patients were getting drugs that failed purity tests.
Drugs, microbicide gel, money top issues at AIDS meet
A global AIDS forum was getting underway here on Sunday, with major announcements expected over six days on the drugs that have turned HIV from killer to a chronic but manageable disease, and the quest for a virus-thwarting gel.
World AIDS conference opens to demo, call for funds
The 18th International AIDS Conference opened here on Sunday to UN pleas and activists' clamour for countries not to backtrack in the 29-year war on acquired immune deficiency syndrome.
Omega imbalance can make obesity 'inheritable': study
Overeating combined with the wrong mix of fats in one's diet can cause obesity to be carried over from one generation to the next, researchers in France reported Friday.
Point-of-sale advertising major cause of teen smoking, study shows
Point-of-sale tobacco advertising works impressively well on teens — so well that federal regulators should consider barring such marketing efforts from convenience stores, gas stations and small groceries, a Stanford University School of Medicine researcher said.
Scientists develop new genomics-based approach to understand origin of cancer subgroups
Scientists have long recognized that cancers may look the same under the microscope, but carry different mutations, respond differently to treatment and result in vastly different outcomes for patients. An international team led by St. Jude Children's Research Hospital scientists has developed a new approach that uses genomic information from different species to understand the biology that drives the formation of these different cancer subtypes.
Discovery suggests possible treatment strategy for aggressive leukemias
Researchers at Duke University Medical Center have identified a mechanism that could explain how patients move into the worst phase of chronic myelogenous leukemia (CML).
Scientists identify key molecular regulator of cardiac hypertrophy
Scientists have identified a key molecular regulator of cardiac hypertrophy (enlargement of the heart) that may provide a therapeutic target for a major risk factor of heart failure and early death.
Vaccine-delivery patch with dissolving microneedles eliminates 'sharps,' boosts protection
A new vaccine-delivery patch based on hundreds of microscopic needles that dissolve into the skin could allow persons without medical training to painlessly administer vaccines - while providing improved immunization against diseases such as influenza.
Biology news
New technology for high-speed study of zebrafish larvae works in seconds
One of the most commonly studied laboratory animals is the zebrafish — a tiny fish with transparent embryos, or larvae, whose internal organs can be easily seen as they develop.
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