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Science News Archive July 2009 - Page 17


Page 17 of 23

4 from Penn State receive PECASE awards

Four Penn State researchers, Sean Hallgren, Adam Smith, Michael Hickner, and Susan Parks, will receive the Presidential Early Career Awards for Scientists and Engineers. They were recognized for their outstanding work in quantum computation, cryptography, polymer chemistry, and bioacoustics.

'Uphold the ban'

The World Bank has reaffirmed its support for the ban on tiger trade and called for the phasing out of tiger farms to protect wild tiger populations. The organization urges countries to continue banning domestic trade of wild tigers, citing economic and conservation concerns.

Dialysis safe for kidney patients' heart health

A study published in the Clinical Journal of the American Society Nephrology found that dialysis does not affect the heart health of kidney disease patients who have had a heart attack. Researchers identified predictors of high risk, such as potassium levels and patient condition severity.

SourceAmerican Society of Nephrology·JournalClinical Journal of the American Society of Nephrology·DateJul 9, 2009

Einstein scientists link elevated insulin to increased breast cancer risk

Researchers at Albert Einstein College of Medicine found a strong association between elevated insulin levels and increased breast cancer risk in postmenopausal women. Women with higher insulin levels were more than twice as likely to develop breast cancer compared to those with lower insulin levels, especially among lean women.

SourceAlbert Einstein College of Medicine·JournalInternational Journal of Cancer·DateJul 9, 2009

Tossing a coin in the microcosm

Physicists at the University of Bonn have demonstrated a quantum walk, a superposition of heads and tails states in an atomic 'coin', and found unusual effects when observing the particle. This research paves the way for new algorithms, including search processes, that can process information much faster than classical methods.

SourceUniversity of Bonn·JournalScience·DateJul 9, 2009

Telomeres resemble DNA fragile sites

Researchers at Rockefeller University discovered that telomeres resemble fragile sites in DNA, where replication can stall. A protein called TRF1 helps prevent this by removing unusual structures from telomeric DNA, allowing smooth progression of DNA replication.

SourceRockefeller University·JournalCell·DateJul 9, 2009

Newborn brain cells show the way

Researchers discovered that newborn neurons in the hippocampus help separate individual events and form temporal relationships, improving spatial memory. This breakthrough sheds light on the purpose of neurogenesis and its role in adult brain function.

SourceSalk Institute·JournalScience·DateJul 9, 2009

Addition of probiotics to functional foods does not improve severe malnutrition outcomes for African children

A randomized controlled trial found that adding probiotics to conventional high-energy ready-to-use therapeutic foods did not improve nutritional cure rates or reduce mortality in severely malnourished African children. However, the study suggests a possible observation of reduced outpatient mortality in HIV-positive children.

SourceThe Lancet_DELETED·JournalThe Lancet·DateJul 9, 2009

$11.5M awarded to Boston College for TIMSS 2011

Boston College has been awarded $11.5M to conduct the Trends in International Mathematics and Science Study (TIMSS) 2011, a global assessment of fourth and eighth-grade student math and science achievement. The study's findings will help nations and states compare their children's math and science achievement with others.

Map of your brain may reveal early mental illness

Researchers aim to create a brain map that can help diagnose early-stage schizophrenia and guide more effective treatment. The study, led by Northwestern University, uses topographical brain maps to compare the structures of individuals with schizophrenia to those without, hoping to identify key differences in brain function.

Spontaneous assembly

A team of scientists used PALM microscopy to show that bacterial membrane proteins can spontaneously form clusters without being actively distributed. The researchers found that random lateral protein diffusion and protein-protein interactions generate complex, ordered patterns in the chemotaxis network.

New way to make sensors that detect toxic chemicals

Researchers at Ohio State University have developed a new synthesis method to create highly pure and small nickel oxide nanoparticles for gas sensors. The material reacts quickly and reliably to various toxic industrial chemicals and biological warfare agents, enabling the detection of these substances.

SourceOhio State University·JournalMaterials Chemistry and Physics·DateJul 8, 2009

Genetic factors implicated in survival gap for breast, ovarian or prostate cancer

A new study found that African-American patients with breast, ovarian, and prostate cancer tend to die earlier than patients of other races, even when controlling for medical treatment and socioeconomic factors. The analysis of over 20,000 patient records suggests a potential role for genetic factors in the survival gap.

SourceColumbia University Irving Medical Center·JournalJNCI Journal of the National Cancer Institute·DateJul 8, 2009

Blur's noise and distortion reversed

Researchers develop modified recurrent Hopfield neural network to quickly process images, reducing distortion, noise and blurring. The approach shows significant improvement in image quality by 39-67% and takes half the time of other methods.

SourceInderscience Publishers·JournalInternational Journal of Signal and Imaging Systems Engineering·DateJul 8, 2009

Researchers identify potential patient safety risks among methadone maintenance treatment patients

Researchers identified gaps in medication and opioid dependence documentation among MMT patients, leading to potential medication interactions and adverse events. Incomplete documentation occurs in up to 30% of cases, highlighting opportunities for improved communication and care coordination to enhance patient safety.

SourceBoston University School of Medicine·JournalJournal of General Internal Medicine·DateJul 8, 2009