Researchers at Uppsala University have developed a model to calculate the appropriate dose of Waran before treatment starts. The study used data from 5,700 subjects across four regions to identify two genes, VKORC1 and CYP2C9, which can predict dosage needs for patients of European, African, and Asian origin.
The Fermi Gamma-ray Space Telescope has detected the most extreme gamma-ray burst yet, emitting energies 3,000 to 5 billion times that of visible light. The burst, GRB 080916C, occurred at a distance of 12.2 billion light-years away and is believed to be powered by an exotic massive star running out of nuclear fuel.
A new carbon dioxide map of the US has been released on Google Earth, showing hourly and geographic emissions data for various fossil fuel sources. The map is an unprecedented inventory of CO2 emissions from different types of fossil fuel, offering insights into climate change.
The ACS National Meeting features a vast array of research on nanotechnology, spanning topics such as green manufacturing processes and medical applications. The event is expected to bring together over 11,000 scientists and showcase nearly 1,000 research papers.
The University of Chicago's Biophysical Sciences program has received a $2 million training grant to provide intensive interdisciplinary training for graduate students. The program, led by Adam Hammond, aims to produce scientists conversant across disciplines and able to combine multiple methods in new ways.
A new study found that patients waiting for a kidney transplant who receive care at centers with shorter wait times tend to live longer. The research analyzed data from nearly 109,000 patients and found that waiting time had the strongest effect on survival, with patients at centers with long waits having a higher risk of death.
Scientists at MIT explain how thin layers of single-celled organisms form at sea and can trap phytoplankton, leading to harmful algal blooms. This research brings the scientific community closer to predicting these events and has implications for other ecological phenomena.
Scientists have discovered a new therapeutic target for Alzheimer's disease by uncovering the normal function of a brain protein. The discovery suggests that the disease stems from an imbalance in signaling between neurons, rather than toxicity from amyloid plaques.
A new study reveals that people at high risk of stroke are less aware of the five warning signs, including sudden weakness, vision disturbance, and confusion. Researchers found significant disparities in knowledge among different demographics, highlighting the need for targeted educational campaigns.
Researchers found that E-cadherin and N-cadherin expression is correlated with invasion and aggravation of esophageal squamous cell carcinoma. The down-regulation of N-cadherin decreases invasiveness of esophageal squamous cell carcinoma cells in vitro.
A universal language for describing genes involved in microbial-host interactions has been created, providing a shared vocabulary for researchers. The Gene Ontology resource will increase knowledge of molecular mechanisms underlying these interactions, ultimately leading to the design of novel disease-limiting strategies.
A new theory proposes that a universal molecular machine, the ribosome, self-assembled based on basic chemical principles. This breakthrough explains how such complex structures emerge in nature, shedding light on the origins of life on Earth.
Scientists from the US and Israel have discovered a new gene that provides resistance to stripe rust, a fungal disease responsible for significant wheat yield losses. The novel gene has been found in wild wheat and is absent in modern varieties, offering a potential solution to devastating disease outbreaks.
Researchers at Northwestern University identified a key molecular relationship between SIRT1 and heat shock factor 1 that helps protect cells from damage. By activating this pathway, it may be possible to manipulate lifespan and treat age-related diseases such as Alzheimer's and Parkinson's.
A recent Michigan State University study found that women are 30 percent less likely to receive a critical clot-busting drug after a stroke. Women also experience longer emergency room delays and poorer quality of care compared to men, despite being more than 60% of all stroke deaths.
Researchers discovered that mice lacking neuregulin develop dendritic spine abnormalities and exhibit hallmarks of schizophrenia, supporting the hypothesis that glutamatergic neurons play a crucial role. The study suggests that developmental defects in brain structure may contribute to schizophrenia's onset.
A study of pregnant women with MS found that those who breastfed exclusively had lower relapse rates than those who did not or stopped early. Women who delayed starting MS treatments to breastfeed also experienced faster return of menstrual periods.
The Pneumonia Etiology Research for Child Health (PERCH) initiative aims to study the causes of pediatric pneumonia in five to ten countries, using modern diagnostics and methods to guide vaccine and treatment development. This effort could help prevent many pneumonia deaths and develop tools to tackle even more cases.
Researchers found that H2RA therapy was effective in preventing and treating low-dose aspirin-induced peptic ulcers, while PPIs showed similar results. Cytoprotective anti-ulcer drugs were ineffective in preventing peptic ulcers. The study suggests a therapeutic strategy for managing this condition.
Researchers found that spasm of the esophageal smooth muscle may trigger myocardial ischemia, leading to chest pain. The combination of these tests is significant for differential diagnosis, especially with foregut symptoms, and is cost-effective for patients from developing countries.
Researchers have developed a new drug delivery technology that targets cancer cells specifically, leaving surrounding healthy cells intact. The technology utilizes tiny bubbles containing therapeutic drugs to deliver medication directly to cancer cells, enhancing treatment effectiveness and reducing side effects.
Scientists at Washington University School of Medicine found that bacteria causing urinary tract infections produce compounds called siderophores to steal iron from their hosts. These tools provide a potential way to target bad strains of bacteria for eradication without affecting good strains. The discovery could lead to new treatment...
Research shows that coffee cultivation under shade trees can preserve forest plant and animal diversity in areas with deforestation. In contrast, growing coffee in forests leads to a decline in species richness of forest birds. This study highlights the importance of sustainable land use practices in conserving biodiversity.
The Call to Action program aims to foster efficient and effective collaboration among local governments in Northeast Ohio. Kent State's Center for Public Administration and Public Policy will provide technical assistance to support the effort.
Chronic ethanol feeding inhibits nuclear proteasome activity, altering epigenetic mechanisms and gene expression. Proteasome inhibition also affects the remethylation pathway, leading to decreased histone acetylation and increased betainehomocysteine methyltransferase (BHMT) enzyme.
Researchers discovered that African forests are increasing in tree carbon stocks by an amount equal to the weight of a small car each year. This suggests that extra carbon dioxide in the atmosphere could be acting as fertilizer, but other factors like human occupation and past disturbance may also be at play.
A team of CU-Boulder students and professionals will operate the Kepler spacecraft from launch, monitoring onboard systems and uploading commands twice a week. The mission aims to identify small, rocky planets in habitable zones, fueling growing excitement among space scientists.
A team of researchers found that the malaria parasite breaks down essential amino acid arginine to trigger a more deadly phase of the disease. By depleting this substance, the parasite may be able to 'switch off' human immune functions that threaten its survival.
Research links fast food establishments to increased stroke risk in neighborhoods, with a 1% relative risk for each restaurant. The study suggests targeting areas with high fast-food presence for prevention programs.
The 2008 financial crisis has radically transformed the business information landscape, with senior information managers seeking to add value and manage costs. The survey found that companies are pushing for more strategic management of their information services, with a focus on appraising how to add value and managing vendors.
Researchers found that fruit fly females' genes are activated similarly to an immune reaction when they mate, leading to a heightened defense system. The cost of mating is also revealed to be high, as females produce fewer offspring due to male harassment and toxic sperm fluid.
Climate scientist Andrew Dessler explains that warmer temperatures lead to higher humidity, causing additional warming through the water vapor feedback mechanism. This process is responsible for significant predicted warming over the next century, with potential devastating long-term consequences.
Researchers found that young children with multiple injury-related ED visits are more likely to be reported to Child Protective Services than those with only one visit. Physicians should consider inadequate supervision as a cause of multiple injuries and provide interventions to help parents reduce injuries.
Reducing both nitrogen and phosphorus is crucial to alleviate eutrophication in aquatic ecosystems. Policymakers must adopt holistic approaches to address the root causes of pollution, as single-nutrient reduction strategies can lead to downstream problems.
A new experimental therapy combining ultrasound and tissue plasminogen activator (tPA) has shown to be more effective than tPA alone in treating ischemic stroke, according to a recent study. The treatment, which involves tiny gas-filled microspheres activated by ultrasound waves, helped restore blood flow and improve patient outcomes.
A study suggests that measuring intra-abdominal pressure can help predict abdominal compartment syndrome in acute pancreatitis patients. The research team recommends IAP monitoring for patients with severe acute pancreatitis (SAP) to prevent mortality.
Researchers at the University of Pittsburgh have created a nanoscale one-stop shop for electronics that can yield transistors two nanometers in size. This breakthrough has potential applications for high-density memory devices, sensors and computer processors, and could pave the way for more advanced technologies.
A study by Johns Hopkins researchers found that indoor particulate matter pollution is associated with a significant increase in asthma symptoms among children. Fine particles were also linked to an increase in wheezing and respiratory issues.
Researchers at Lehigh University have developed a catalyst that can directly produce hydrogen peroxide from hydrogen and oxygen, reducing the need for large quantities and high concentrations. The gold-palladium nanoparticles catalyst enables the on-site production of H2O2 in smaller quantities and more desirable concentrations.
The study found that average installed costs of US solar PV systems decreased significantly from $10.50 to $7.60 per watt between 1998 and 2007, with a 3.5% annual reduction in real dollars.
Research found that microbes evolved to add oxygen to ammonia, producing nitrate, around 2.5 billion years ago. This marks the beginning of the aerobic nitrogen cycle, which is crucial for life today.
The rapid decline of Diporeia due to quagga mussel invasion in Lake Michigan has significantly impacted the lake's food web. Fish populations are facing reduced food options as quagga mussels displace more energy-rich prey sources.
A study by researchers at the University of Illinois reveals that RIG-I, a cellular protein, can detect viral RNA and trigger an immune response in every cell type. The protein uses two major parts to distinguish between viral and self-RNA, using a unique 'triphosphate' tag.
New research methods developed by Dr Peter Davis aim to better understand the complex realities of chronic poverty, affecting millions worldwide. The conference in Washington DC will engage policymakers and stakeholders from the US and internationally to formulate a policy agenda to address this issue.
Researchers found a reversible diode made from the material, allowing current flow in one direction under certain conditions and in the opposite direction under different conditions. The material also generates current when light falls on it, making it a potential candidate for future solar cells.
Researchers identified two molecules, yersiniabactin and salmochelin, that enable E. coli to survive and reproduce by stealing iron from their hosts. This discovery presents a potential way to selectively eradicate pathogenic E.coli strains without affecting beneficial ones.
Researchers discovered that ancestors of Volvox algae transitioned to multicellularity at least 200 million years ago. This finding provides insights into the evolution of complex life forms, highlighting the importance of cooperation among cells in overcoming conflicts that hinder collective growth and reproduction.
A new study published in BMC Public Health found that cervical cancer incidence varies among geographical areas in Southeast England, with higher rates in more deprived areas. The research analyzed data on 2,231 cases of cervical cancer diagnosed between 2001 and 2005, revealing dramatic variations within regions.
A systematic review of high-quality trials found exercise to be significantly effective in preventing new episodes of low-back problems. Meanwhile, popular prevention methods such as reduced lifting programs and ergonomic interventions were ineffective.
A Kansas State University marketing professor says online shopping will borrow from Second Life, allowing shoppers to interact with virtual avatars and purchase items in a social setting. The future of e-commerce may also involve mobile devices, with research suggesting that gaming and chat features are key to attracting young customers.
Researchers at the University of Bath found that around nine out of ten men could be categorized as active or sedentary depending on which guidelines were followed. This inconsistency in physical activity guidelines may prevent people from taking the message that being active can make a huge difference to their health.
A comprehensive set of insurance, payment, and system reforms could guarantee affordable health insurance coverage, improve health outcomes, and slow the growth of health spending. The report recommends creating a national insurance exchange, aligning incentives with value and cost control, and promoting patient-centered care.
Researchers at University of California, Berkeley and University of Massachusetts Amherst developed a new technique to self-assemble nanoscale elements, enabling densities 15 times higher than previous methods. This approach could lead to improved data storage capacity and energy-efficient applications.
A multicenter study led by Johns Hopkins shows that an experimental clot-busting treatment can increase survival rates and improve function in patients with intracranial hemorrhage, a lethal form of stroke. After six months, about 10% had no lingering disability and 40% were independently caring for themselves.
The Earth Observatory of Singapore (EOS) aims to provide invaluable research and data on environmental threats such as earthquakes, tsunamis, volcanic eruptions, and climate change in Southeast Asia. The centre will also embark on outreach and education programmes to spark interest in earth sciences among students.
BioSET and Brookhaven Lab have patented a synthetic peptide, B2A, that enhances bone growth in spine fusion surgeries. The peptide is used in a combination medical device called AMPLEX, which has shown promising results in preclinical studies.
Researchers found black gold bubbles in sunlight reflections on the ocean's surface, revealing a new technique to detect oil seeps. This method could provide timely and cost-effective means to survey oceans for oil spills and monitor human-induced releases.
A team of scientists recommends a two-pronged approach to managing nutrient pollution, which includes reducing both phosphorus and nitrogen inputs along the land-to-ocean continuum.
A new website allows scientists to collaborate on bacterial strain identification through multilocus sequence analysis. The database grows in size and utility as taxonomists add their isolates, enabling electronic taxonomy.
Researchers have identified a way for the brain to compensate for problems with neurotransmitters like serotonin and dopamine, opening up new treatment options for addiction, depression, Parkinson's disease, and schizophrenia. The discovery was made using fruit flies with a genetic mutation that disrupted monoamine neurotransmitter rel...
A study found that about 64% of US hospitals did not give tissue plasminogen activator (tPA) to Medicare patients between 2005 and 2007. The researchers also discovered that 40% of the US population resides in a county without a hospital that provides tPA treatment.
A recent gamma-ray burst observed by the Fermi Gamma-ray Space Telescope is the most extreme recorded to date, with energies exceeding those of 9,000 ordinary supernovae. The blast's tremendous power and speed make it a significant finding in the field of gamma-ray bursts.
A new study by Queen's University reveals that Canadian long-term care facilities are not meeting recommended standards for infection prevention and control. The findings highlight a lack of essential activities, including surveillance and control measures, resulting in increased morbidity, mortality, and financial expense.
The Parkinson's Disease Foundation has awarded $300,000 in emergency bridge funding to four leading scientists working on novel research projects. The grants will support studies focused on improving gastrointestinal motility and targeting alpha-synuclein protein misfolding, among others.