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A shot to the heart: Nanoneedle delivers quantum dots to cell nucleus

A shot to the heart: Nanoneedle delivers quantum dots to cell nucleus
2010-09-28
CHAMPAIGN, Ill. — Getting an inside look at the center of a cell can be as easy as a needle prick, thanks to University of Illinois researchers who have developed a tiny needle to deliver a shot right to a cell's nucleus. Understanding the processes inside the nucleus of a cell, which houses DNA and is the site for transcribing genes, could lead to greater comprehension of genetics and the factors that regulate expression. Scientists have used proteins or dyes to track activity in the nucleus, but those can be large and tend to be sensitive to light, making them hard ...

Study: Electric cars hold greater promise for reducing emissions and lowering US oil imports

2010-09-28
Electric cars hold greater promise for reducing emissions and lowering U.S. oil imports than a national renewable portfolio standard, according to research conducted by Rice University's Baker Institute for Public Policy. This assessment is among several contained in a new major policy study the Baker Institute Energy Forum will release at a Sept. 27-28 conference titled "Energy Market Consequences of an Emerging U.S. Carbon Management Policy." The study comprises several academic working papers on a variety of topics, such as carbon pricing, the wind industry, global ...

How injured nerves grow themselves back

2010-09-28
Unlike nerves of the spinal cord, the peripheral nerves that connect our limbs and organs to the central nervous system have an astonishing ability to regenerate themselves after injury. Now, a new report in the October 1st issue of Cell, a Cell Press publication, offers new insight into how that healing process works. "We know a lot about how various cell types differentiate during development, but after a serious injury like an amputation, nerves must re-grow," said Allison Lloyd of University College London. "They need a new mechanism to do that because the developmental ...

Rain or shine, Sandia researchers find new ways to forecast large photovoltaic power plant output

2010-09-28
ALBUQUERQUE, N.M. – Sandia National Laboratories researchers have developed a new system to monitor how clouds affect large-scale solar photovoltaic (PV) power plants. By observing cloud shape, size and movement, the system provides a way for utility companies to predict and prepare for fluctuations in power output due to changes in weather. The resulting models will provide utility companies with valuable data to assess potential power plant locations, ramp rates and power output. Sandia researchers' work is currently focused at the 1.2-megawatt La Ola Solar Farm on ...

New guideline finds no evidence for a popular back procedure

2010-09-28
Rosemont, Ill. – As a patient safety best practice and endorsement of evidence-based medicine, the American Academy of Orthopaedic Surgeons (AAOS) Board of Directors approved and released a clinical practice guideline, which found a strong recommendation against a popular procedure called vertebroplasty as a way to treat fractures in the spine. Clinical practice guidelines are one avenue the Academy uses to ensure that patients receive high quality care. Vertebroplasty is a surgical procedure developed to reduce or eliminate the pain associated with compression fractures ...

Sugary sports drinks mistakenly associated with being healthy, say UTHealth researchers

2010-09-28
HOUSTON (Sept. 27, 2010) – Children who practice healthy lifestyle habits such as eating fruits and vegetables and engaging in physical activity may be negatively impacting their health because they tend to consume large amounts of flavored and sports beverages containing sugar, according to research at The Michael & Susan Dell Center for Healthy Living at The University of Texas Health Science Center at Houston (UTHealth). "Children and parents associate these drinks with a healthy lifestyle despite their increased amount of sugar and lack of nutritional value," said ...

Onconova Therapeutics presents new data demonstrating radioprotection by Ex-RAD at RRS annual meeting

2010-09-28
Newtown, PA, September 27, 2010 – Onconova Therapeutics, Inc. is presenting new data in five posters and an oral presentation this week summarizing several studies with the company's radioprotectant Ex-RAD® at the 56th Annual Meeting of the Radiation Research Society (RRS), September 25-29 in Maui, Hawaii. In vivo studies show that Ex-RAD®, upon oral administration, produced a significant increase in survival versus placebo-treated groups in mice exposed to lethal whole body irradiation (WBI), for both prophylactic pre-treatment and mitigation post-treatment. ...

'Gold' fish thrive, cancers die

2010-09-28
Rice University physicist Dmitri Lapotko has demonstrated that plasmonic nanobubbles, generated around gold nanoparticles with a laser pulse, can detect and destroy cancer cells in vivo by creating tiny, shiny vapor bubbles that reveal the cells and selectively explode them. A paper in the October print edition of the journal Biomaterials details the effect of plasmonic nanobubble theranostics on zebra fish implanted with live human prostate cancer cells, demonstrating the guided ablation of cancer cells in a living organism without damaging the host. Lapotko and his ...

Family, culture affect whether intelligence leads to education

2010-09-28
Intelligence isn't the only thing that predicts how much education people get; family, culture, and other factors are important, too. A new study published in Psychological Science, a journal of the Association for Psychological Science, compares identical and fraternal twins in Minnesota and Sweden to explore how genetic and environmental factors involved in educational differ in countries with different educational systems. Family background can get an education even for people of low intelligence, the authors conclude—but helps much more in Minnesota, than in Sweden. The ...

Right or left? Brain stimulation can change which hand you favor

2010-09-28
BERKELEY — Each time we perform a simple task, like pushing an elevator button or reaching for a cup of coffee, the brain races to decide whether the left or right hand will do the job. But the left hand is more likely to win if a certain region of the brain receives magnetic stimulation, according to new research from the University of California, Berkeley. UC Berkeley researchers applied transcranial magnetic stimulation (TMS) to the posterior parietal cortex region of the brain in 33 right-handed volunteers and found that stimulating the left side spurred an increase ...

Pan-STARRS discovers its first potentially hazardous asteroid

Pan-STARRS discovers its first potentially hazardous asteroid
2010-09-28
The Panoramic Survey Telescope & Rapid Response System (Pan-STARRS) PS1 telescope has discovered an asteroid that will come within 4 million miles of Earth in mid-October. The object is about 150 feet in diameter and was discovered in images acquired on September 16, when it was about 20 million miles away. It is the first "potentially hazardous object" (PHO) to be discovered by the Pan-STARRS survey and has been given the designation "2010 ST3." "Although this particular object won't hit Earth in the immediate future, its discovery shows that Pan-STARRS is now the ...

Wider statin use could be cost-effective preventive measure, Stanford study finds

2010-09-28
STANFORD, Calif. - A new analysis suggests that broader statin use among adult patients may be a cost-effective way to prevent heart attack and stroke. The Stanford University School of Medicine study also found that using a popular test - a screening for high sensitivity C-reactive protein, or CRP - to identify patients who may benefit from statin therapy would be cost-effective, but only under certain scenarios. "If statins are really as safe and effective as they appear to be, broadening the indications for statin therapy would be an effective and cost-effective strategy," ...

Mayo collaboration finds source of breast drug side effect

2010-09-28
ROCHESTER, Minn. -- Mayo Clinic researchers and their international colleagues have discovered genetic variants that lead to severe arthritis for a subset of women when taking aromatase inhibitors to treat their breast cancer. This serious side effect is so painful that many women halt their lifesaving medication. The findings appear today in the online issue of Journal of Clinical Oncology. "Many women stop taking aromatase inhibitors due to the accompanying joint pain," says James Ingle, M.D., Mayo Clinic oncologist and senior author of the study. "We used the latest ...

No link between genetic ancestry, asthma response in African-Americans

2010-09-28
DETROIT ¬¬– Genetic ancestry has no discernible influence on how African American patients with asthma respond to medication, according to a Henry Ford Hospital study. Researchers found that improved lung function in patients after taking inhaled steroids was related to a series of baseline breathing function measures, not genetic ancestry. The study is published online at the Journal of Allergy & Clinical Immunology, http://www.aaaai.org/media/jaci/ Advances in genetics have led to the development of ancestry markers spread across the human genome, which allow genetic ...

Semiconductor could turn heat into computing power

2010-09-28
COLUMBUS, Ohio – Computers might one day recycle part of their own waste heat, using a material being studied by researchers at Ohio State University. The material is a semiconductor called gallium manganese arsenide. In the early online edition of Nature Materials, researchers describe the detection of an effect that converts heat into a quantum mechanical phenomenon – known as spin – in a semiconductor. Once developed, the effect could enable integrated circuits that run on heat, rather than electricity. This research merges two cutting-edge technologies: thermo-electricity ...

Television drove viewers to the Web to explore Obama-Muslim rumors

2010-09-28
COLUMBUS, Ohio – A study examining Americans' interest in the rumor that Barack Obama is a Muslim shows that the mainstream media – particularly television – still influences the topics that engage the public. Researchers found that online searches about the Obama-Muslim rumor spiked on days that the topic was heavily covered on national television networks, and that searches declined on days when there was less coverage. "With all the attention given to blogs and online news, some people have suggested that the mainstream media's role has diminished in our society," ...

Friends, family detect early Alzheimer's signs better than traditional tests

2010-09-28
Family members and close friends are more sensitive to early signs of Alzheimer's dementia than traditional screening tests, according to researchers at Washington University School of Medicine in St. Louis. Doctors often evaluate a person who is having memory problems by testing them with a variety of cognitive tasks, such as recalling a list of words or comparing shapes of objects. Washington University researchers developed a different approach. The two-minute Ascertain Dementia 8 (AD8) questionnaire relies on a friend or family member who knows the person well, known ...

Researchers use CT to predict heart disease

2010-09-28
OAK BROOK, Ill. – Using incidental findings from routine diagnostic CT, radiologists may be better able to identify people at high risk for cardiovascular disease, according to a new study appearing online and in the November issue of Radiology. "The results of this study show that radiologists can predict cardiovascular disease fairly well using incidental findings of calcifications of the aortic wall on CT, along with minimal patient information, such as age, gender and the reason for the CT," said the study's lead author, Martijn J. A. Gondrie, M.D., from the Julius ...

First study of its kind finds children with food allergies are often victims of bullying

2010-09-28
In the first-ever study to assess the social impact of food allergies in children, Mount Sinai researchers have found that approximately 35 percent of children with food allergies, who are over the age of five, were reported to have experienced bullying, teasing, or harassment as a result of their allergies. Of those experiencing teasing or harassment, 86 percent were reported to have experienced repeated episodes. Classmates were the most common perpetrators, but surprisingly more than 20 percent reported harassment or teasing from teachers and other school staff. ...

Striding towards a new dawn for electronics

2010-09-28
Conductive polymers are plastic materials with high electrical conductivity that promise to revolutionize a wide range of products including TV displays, solar cells, and biomedical sensors. A team of McGill University researchers have now reported how to visualize and study the process of energy transport along one single conductive polymer molecule at a time, a key step towards bringing these exciting new applications to market. "We may easily study energy transport in a cable as thick as a hair, but imagine studying this process in a single polymer molecule, whose thickness ...

Dog Royaltees Makes It Easier To Do Business

2010-09-28
Dog Royaltees made several new postings to their website this week concerning improvements. The improvements are all pointed at making it easier to do business with their company. The first improvement is the release of new business literature. Dog Royaltees now has a full business brochure in .pdf format on their business webpage. "We had been receiving several queries about our capabilities and production processes, so we thought it was imperative to make an informational piece available electronically," said Stephanie Frieze, the owner of Dog Royaltees. The business ...

Photographs of the Huntington Beach Senior Saturday Expo Released by the Committee to Re-Elect Jennifer McGrath

2010-09-28
The annual Huntington Beach Senior Saturday Expo was held on September 11, 2010, at the Huntington Beach Pier Plaza in Huntington Beach, California. Senior Saturday is sponsored by the Huntington Beach Council on Aging and is Orange County's largest non-profit Senior Expo. The Huntington Beach Senior Saturday Expo provides seniors the opportunity to learn more about services available to seniors from both the public and private sectors. Senior Saturday was a free event complete with live entertainment, a two dollar breakfast or lunch, and over seventy vendors. Huntington ...

Mӧdul and Toke Integrated Design Center opens in San Diego's Little Italy

2010-09-28
Little Italy welcomed a unique and contemporary showroom to its streets this summer: Mӧdul and Toke Integrated Design Center, two side-by-side design centers featuring custom-made furniture, and kitchen decor, opened its doors to the public on August 1st at its Kettner Blvd. location. The kitchen division of the boutique design store, Mӧdul Studio, specializes in all aspects of kitchen composition and decor, with heavy influences from European designs and styles. In addition to its six different lines of kitchen decor, Mӧdul Studio is an exclusive ...

It's a Celluloid Fest at the 54th BFI London Film Festival

2010-09-28
HolidayCity.com - Avid moviegoers in London are in for a treat at the 54th BFI London Film Festival as some of the world's best films would be showcased during the two-week duration from 13 - 28 October 2010. Fans can expect another exciting line-up of international and British films that includes a total of 197 features and 112 shorts, as well a chance for celebrity sightings at international premiers. London hotels are expecting high occupancy rates as visitors flock to the city for the festival. The London Film Festival has always been the chosen venue for the world's ...

Foremay Announces SATA 3 SSD Drives

2010-09-28
Foremay, Inc., a leader of technology innovation in solid state drive and one of the world's Top 5 SSD OEMs, today announced the EC188 M-series SATA 6 Gb/s solid state hard drive which has standard host interfaces of third generation SATA, also known as SATA 3.0, SATA III, SATA 6 Gb/s or SATA 600. The SATA 3 SSD is designed for enterprise servers, studio workstations and high end DIY personal computers, with speeds up to 450 MB/s for reading and 350 MB/s for writing, with a capacity up to 500 GB. "The mainstream motherboards delivered to the market today have significantly ...
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