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Science News Archive 2009


Page 89 of 277

MU researcher uses bacteria to make radioactive metals inert

A Missouri University researcher is studying sulfate-reducing bacteria that can convert toxic uranium into nearly insoluble uraninite, reducing contamination and environmental costs. The bacteria's ability to cleanse water is being explored, with potential applications for heavy metal pollution from storage tanks and industrial waste.

Creality K1 Max 3D Printer

Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

Stimulus funds to further cyber security research

Penn State researchers have received a $1 million stimulus grant to improve cyber security for modern data centers. The project aims to consolidate four areas of systems security research, including microscopic intrusion analysis and detection, redundancy, automatic response, and diversity-driven protection.

Gene variant heightens risk of severe liver disease in cystic fibrosis

Researchers at UNC Chapel Hill have discovered a genetic risk factor for severe liver disease in people with cystic fibrosis, specifically the SERPINA1 gene variant. Those carrying this variant are five times more likely to develop cirrhosis and other liver complications than those with the normal version of the gene.

Engineered human fusion protein inhibits HIV-1 replication

Researchers engineered a human HIV-1 inhibitor modeled after AoT5Cyp, a potent owl monkey fusion protein. The human fusion protein, hT5Cyp, blocked HIV-1 infection in human macrophage and T cell lines without disrupting normal cell function.

Lapatinib shows minimal effect against liver cancer

Patients who exhibited skin rash from lapatinib showed a greater tumor response and longer survival, while others experienced no benefit. The study suggests that larger trials with more responsive patients may show a definite survival benefit.

Undergrad academic performance linked to neural signals

A new University of Toronto research links academic performance to neural signals, with students having larger error-related negativity (ERN) signals scoring better in school. The study suggests that ERN signals can be improved through self-regulation and attention to mistakes.

Apple iPhone 17 Pro

Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.

Albrecht at Williams College awarded $400,000 NSF funding

Jeannie Albrecht's five-year grant aims to develop techniques for increasing stability in mobile applications, benefiting students and researchers at small colleges. The project will integrate human interaction patterns into a software toolkit, providing valuable hands-on experience with emerging mobile computing systems.

How do doctors really feel about surrogate decision making?

A study found that one in five doctors are uncomfortable working with surrogates, reporting ineffective communication and increased stress levels. The lack of clear guidelines for surrogate decision makers can lead to difficult decisions, causing distress for both physicians and families.

Care-seeking behavior associated with 'upper-GI symptoms'

Researchers found patients with upper GI complaints visited GPs twice as often and received double the number of prescriptions. High contact frequency was most strongly associated with upper GI symptoms, rather than psychological co-morbidity.

SAMSUNG T9 Portable SSD 2TB

SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

Study predicts 40 percent increase in blindness in Nigeria by 2020

A study predicts a 40% increase in blindness in Nigeria by 2020, with nearly all cases being either preventable or treatable. The research found that cataracts, glaucoma, and refractive errors are the most common causes of blindness, particularly among those with limited access to healthcare.

AmScope B120C-5M Compound Microscope

AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.

War, genocide 'difficult knowledge' to teach younger students

Professor Brenda Trofanenko argues that elementary school students lack the historical knowledge and critical sensibility necessary to understand genocide. High school students are better equipped, both emotionally and intellectually, to deal with traumatic events in world history. The professor suggests a fact-based approach to learni...

Disease-causing Escherichia coli: 'I will survive'

Researchers found that pathogenic E. coli strains can survive modern food processing methods and exploit different food sources than laboratory strains. They demonstrated differences in growth characteristics, antimicrobial resistance, and reaction to environmental stresses.

Houseplants cut indoor ozone

Researchers found that three common houseplants significantly reduced indoor ozone concentrations in a simulated environment. The study suggests using plants as a cost-effective tool to mitigate indoor air pollution, especially in developing countries where expensive technology may not be feasible.

CalDigit TS4 Thunderbolt 4 Dock

CalDigit TS4 Thunderbolt 4 Dock simplifies serious desks with 18 ports for high-speed storage, monitors, and instruments across Mac and PC setups.

Community gardens don't impact crime rate

Researchers found no correlation between community garden presence and property crimes in Houston neighborhoods. However, residents reported a positive influence of gardens on neighborhood revitalization and perceived safety.

Team reveals molecular mechanism underlying a form of diabetes

University of Iowa researchers discovered a new molecular mechanism regulating pancreatic cells and insulin secretion in children with permanent neonatal diabetes mellitus. The mechanism involves the protein ankyrin, which regulates the KATP channel complex.

Casting out devils

Scientists have discovered how salmonella kills tumors by migrating into cancerous tissues and triggering a strong inflammatory response. The inflammatory response causes blood vessels in the tumor to become permeable, allowing salmonella to spread and ultimately kill the tumor.

Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.

New vaccine shows promise for COPD patients at risk for pneumonia

A new protein conjugate vaccine, PCV7, has been found to produce superior immune responses in patients with chronic obstructive pulmonary disease (COPD) compared to the currently accepted vaccine, PPSV23. The study suggests that PCV7 may offer improved protection against respiratory disease in COPD patients at risk for pneumonia.

Autoimmune response can induce pancreatic tumor rejection

Researchers induced pathological damage to a normal pancreas with an immune adjuvant and found that it triggered a strong anti-self response, which suppressed autoimmunity. The study highlights the complexity of immune responses in different organs and may lead to new therapeutic approaches for cancer treatment

Study finds US prison system falls short in treating drug addiction

A new study found that only half of federal and state prison systems offer opioid replacement therapy (ORT), a treatment proven to reduce drug-related disease and reincarceration rates. Meanwhile, only 23 states provide referrals for inmates to treatment upon release from prison.

GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

Measuring nitrate concentrations in leafy green vegetables

A recent study published by the American Society for Horticultural Science found that conventional methods for measuring nitrate concentrations in plant tissue are often time-consuming, expensive, and impractical. The researchers developed a new method using rapid potentiometric and colorimetric techniques to measure nitrate concentrat...

Making geothermal more productive

Researchers at the University of Utah are conducting a $10.2 million study in Idaho to develop new techniques for increasing geothermal energy production. By using oil and gas industry methods to create pathways in hot rock, they aim to unlock the country's vast geothermal potential.

Taking the stress off yeast produces better wine

Researchers have identified genes in yeast that enable it to respond to stress and are investigating ways to improve its performance by modifying its stress response mechanism. By manipulating these genes, they found a family of enzymes called sirtuins plays an important role in controlling wine yeast lifespan.

Arctic oil: A boon for nest predators

A new study reveals that oil development in the Arctic is attracting opportunistic predators like Arctic foxes, ravens, and gulls, which feed on nesting birds. These predators are using oil infrastructure to build nests or dens, leading to a significant loss of nests in areas closer to oil development.

Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

Plants on steroids: Key missing link discovered

Scientists have identified a complete signaling pathway for plant brassinosteroid hormones, a discovery that could lead to genetic engineering of crops with higher yields and improve understanding of human diseases like cancer and diabetes. The study shares similarities with animal steroids, but functions differently at the cellular le...

Tornado threat increases as Gulf hurricanes get larger

Research at Georgia Institute of Technology reveals a 35% increase in large hurricane size from the Gulf Coast, leading to a doubling in tornadoes produced per storm. The model can predict tornado activity using factors like storm size, intensity, track direction, and moisture gradients.

JCI online early table of contents: Sept. 8, 2009

Scientists have engineered a human HIV-1 inhibitor modeled after an owl monkey fusion protein that potently blocks HIV-1 infection. This new treatment showed promise in preventing viral replication in mice and has the potential to be a robust anti-HIV-1 gene therapy candidate.

Rigol DP832 Triple-Output Bench Power Supply

Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.

Study: Hairstylists can help identify older clients who need health services

A study published in the Journal of Applied Gerontology found that hairstylists have close relationships with their elderly clients and can identify signs of depression, dementia, and self-neglect. The stylists surveyed reported being willing to refer older adults to community services, but were unfamiliar with many available options.

Rats move toward the food but do not eat

Researchers at University of Missouri discovered that deactivating basolateral amygdala blocks consumption of fatty diet in rats, but not the desire to seek food repeatedly. The study suggests that this brain region is specifically involved in pleasure-driven overeating.

Apple Watch Series 11 (GPS, 46mm)

Apple Watch Series 11 (GPS, 46mm) tracks health metrics and safety alerts during long observing sessions, fieldwork, and remote expeditions.

Creation of international health links center

The UK International Health Links Centre (IHLC) aims to promote effective international health links between the UK and developing countries. The centre will provide a 'one-stop-shop' for information and guidance on strengthening existing links, as well as a library of resources for international users.

Using insects to test for drug safety

Researchers use insects like fruit flies and moths to test new drugs, reducing animal testing by up to 90% and speeding up results. The study finds that insect immune cells are structurally and functionally similar to those in mammals, offering a promising alternative for drug development.

Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

Using microbes for the quick clean up of dirty oil

Researchers used mixed consortia of bacteria to degrade naphthenic acids, a type of toxic compound found in crude oil and tar sands. The microbes broke down the compounds in just a few days, reducing environmental pollution from these areas.

Key issues for the future of wind energy

Wind energy could account for 30% of Spain's overall energy production by 2030, according to a study. The proposal also suggests a mix of solar energy and gas turbines to achieve this goal, while reducing carbon emissions. Additionally, the sector has generated 226% more jobs in the European Union since 2003.

Nikon Monarch 5 8x42 Binoculars

Nikon Monarch 5 8x42 Binoculars deliver bright, sharp views for wildlife surveys, eclipse chases, and quick star-field scans at dark sites.

Brain defect implicated in early schizophrenia

Researchers at Columbia University Irving Medical Center have identified an area of the brain involved in the earliest stages of schizophrenia. Activity in this region, known as the CA1 subfield, may help predict disease progression and provide opportunities for more targeted drug development to block the mechanism.

Davis Instruments Vantage Pro2 Weather Station

Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.

'Liposuction leftovers' easily converted to IPS cells, Stanford study shows

Researchers have identified versatile cells in liposuction leftovers that can be quickly converted into induced pluripotent stem cells (iPS cells), potentially revolutionizing regenerative medicine. The study shows a 20-fold improvement in efficiency compared to skin cells, which are more challenging to reprogram.

Designing probiotics that ambush gut pathogens

Researchers have designed probiotics that can bind toxins in the gut, preventing them from interacting with host intestinal cells. These receptor-mimic probiotics offer a promising treatment for diseases such as cholera and traveller's diarrhoea, and may also be used to prevent outbreaks following natural disasters.

Stimuli for clinical research

The DFG has established five new Clinical Research Units to study highly topical medical issues such as bowel cancer metastases and hormone-related obesity. The units aim to develop individual forms of treatment for conditions like glomerulonephritis and improve diagnostic strategies,