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Boston (May 7, 2013) – The first successful cornea transplant with donor endothelial tissue preloaded by an eye bank has been performed at Massachusetts Eye and Ear in Boston, Mass. Roberto Pineda II, M.D., Director of the Refractive Surgery Service at Mass. Eye and Ear, and an Associate Professor of Ophthalmology at Harvard Medical School, recently performed the groundbreaking transplant. Dr. Pineda performed the surgery utilizing donor endothelial tissue that was prepared and pre-loaded into EndoGlide™ (Angiotech Pharmaceuticals, Inc.) cartridges at the Lions Eye Institute ...

WASHINGTON, May 7, 2013 – From New York City's Central Park to Golden Gate Park in San Francisco, America's urban forests store an estimated 708 million tons of carbon, an environmental service with an estimated value of $50 billion, according to a recent U.S. Forest Service study. Annual net carbon uptake by these trees is estimated at 21 million tons and $1.5 billion in economic benefit. In the study published recently in the journal Environmental Pollution, Dave Nowak, a research forester with the U.S. Forest Service's Northern Research Station, and his colleagues ...

(PHILADELPHIA) An international group of investigators, led by researchers at Thomas Jefferson University's Kimmel Cancer Center, have solved the mystery of why a substantial percentage of castrate-resistant metastatic prostate cancer cells contain abnormally high levels of the pro-growth protein Stat5. They discovered that the gene that makes the protein is amplified — duplicated many times over — in these cancer cells, which allows them to produce excess amounts of the oncogenic protein. The study, reported in the May 7 issue of the American Journal of Pathology, found ...

Enzymes could break down cell walls faster – leading to less expensive biofuels for transportation – if two enzyme systems are brought together in an industrial setting, new research by the Energy Department's National Renewable Energy Laboratory suggests. A paper on the breakthrough, "Fungal Cellulases and Complexed Cellulosomal Enzymes Exhibit Synergistic Mechanisms in Cellulose Deconstruction," appears in the current edition of Energy and Environmental Science. Co-authors include five scientists from NREL and one from the Weizmann Institute in Israel. The Energy ...

Researchers from the U.S. Department of Energy's National Renewable Energy Laboratory (NREL) have quantified the significant value that concentrating solar power (CSP) plants can add to an electric grid. The NREL researchers evaluated the operational impacts of CSP systems with thermal energy storage within the California electric grid managed by the California Independent System Operator (CAISO). NREL used a commercial production cost model called PLEXOS to help plan system expansion, to evaluate aspects of system reliability, and to estimate fuel cost, emissions, and ...

ANN ARBOR, Mich. — It was a controversial move when a health insurer began requiring people who were obese to literally pay the price of not doing anything about their weight – but it worked, a new study finds. When people had to choose between paying up to 20 percent more for health insurance or exercising more, the majority of enrollees met fitness goals one step at a time via an Internet-tracked walking program, according to a joint study by the University of Michigan Health System and Stanford University. Researchers evaluated a group of people insured by Blue ...

A new study shows that pediatric nurse staffing ratios are significantly associated with hospital readmission for children with common medical and surgical conditions. The study, led by a nurse scientist at Cincinnati Children's Hospital Medical Center, is believed to be the first to examine the extent to which hospital nurse staffing levels are related to pediatric readmissions. Publication of the study comes just weeks after the introduction of federal legislation that would mandate nurse staffing ratios across the country. The study, published online in the journal ...

Researchers at Moffitt Cancer Center say identifying and selecting participants for phase II cancer clinical trials from a centralized warehouse of patient-donated biological data expedites participant accrual, reduces trial size, saves money, and may speed test drugs through the drug development pipeline. Their study, which analyzed datasets from recent clinical trials conducted at Moffitt, was published online March 15 in Statistical Methods in Medical Research. Launched at Moffitt in 2005, Total Cancer Care® is a comprehensive approach to cancer that enables physicians, ...

Quantum mechanics, famously, is full of effects that defy our basic intuition. A fine example is the Hong-Ou-Mandel effect, which occurs when two light quanta (or, photons) arrive simultaneously at a so-called beam splitter. As its name implies, a beam splitter is a device that splits one beam of light into two, by transmitting one half of the impinging light and reflecting the other half. For a single quantum of light, a photon, this means that it has a 50-percent chance to appear on either side of the device. But when two photons arrive at the same time at the splitter, ...

CHESTNUT HILL, MA (May 8, 2013) Can you imagine a world where a subway ride becomes the highlight of your day? Where going to the laundromat isn't such a dreary duty? A recent study published in the Journal of Service Research found that our perception of certain services can drastically change with the right adjustments, and not everyone needs Mickey Mouse and daily parades to make their experience magical. German professors Fabian Uhrich, Jan H. Schumann, and Florian van Wangenheim conducted studies on amusement parks, public transportation, museums, and spas to evaluate ...