UCR researchers successfully grew bone cells on a scaffold of carbon nanotubes, which can be used to treat bone defects and improve dental implants. The non-treated and electrically-neutral nanotubes emerged as the best scaffolds for bone growth.
Researchers analyzed data from nearly 63,000 patients hospitalized for pneumonia between 1999 and 2003. Vaccination was associated with a 40-70% lower risk of death during hospitalization compared to unvaccinated or unknown status patients.
A recent study aims to improve diagnosis and treatment of cardiovascular disease through a better understanding of blood flow. Vlachos' research focuses on the physics of blood flow through the body, with an emphasis on experimental models and optical imaging tools.
A new airborne radar system measures snow depth on Arctic sea ice, aiding climate change research and understanding polar bear habitats. The project validates satellite measurements and provides insights into the region's climate and wildlife.
Researchers discovered that bone marrow stromal cells can improve brain receptor function in patients with cerebral stroke, showing potential for neural tissue regeneration. The study may provide a 'missing link' needed in understanding receptor function, possibly leading to safe and ethical cell transplantation therapy.
Researchers aim to build a self-propelled prototype within five years, optimizing the system's performance through computer modeling and experimental work. Shewanella oneidensis bacteria can transfer electrons directly to anode surfaces, making them a promising candidate for fuel cells.
Researchers found that carnivore parvoviruses and the human B19 erythrovirus undergo rapid evolution when switching host species. This contradicts the assumption that DNA viruses exhibit slower mutation rates compared to their hosts and other DNA viruses.
The study found that antibiotics and synthetic hormones can increase antibiotic resistance and disrupt endocrine functions. Researchers identified key metabolites from commonly prescribed medications and hormone replacement therapy, highlighting the need for optimized wastewater treatment processes to remove these compounds.
Studies using functional magnetic resonance imaging (fMRI) found that the visual cortex uses a specific region known to detect motion of other people, but also engages areas responding to static human form. This clarifies the emerging picture of how the brain makes sense of other individuals' appearances and actions.
A study of 31 pathological gamblers and their relatives found a genetic link to the disorder. The research suggests that family members share genes that increase the likelihood of impulsive behavior.
A follow-up study found that reducing fine particulate matter by one µg/m3 decreases death rates by three percent. This reduction is associated with a significant decrease in mortality rates, particularly in cities with the greatest reductions in air pollution.
Scientists discovered that rare Chinese frogs can communicate using high-pitch ultrasonic sounds, a trait previously thought to be exclusive to mammals. The frogs' ability to hear and respond to these sounds allows them to facilitate communication in noisy environments.
Researchers have developed imaging methods to track gene expression and protein production in individual cells, providing precise data on single molecular events. This breakthrough enables the study of low-abundance proteins and sheds light on cellular regulation.
Researchers have developed a method to separate two different catalysts from a multi-step chemical reaction done in a single vessel using magnetic nanoparticles. This technique could lead to more efficient production of specialty chemicals and reduce waste, benefiting the pharmaceutical and specialty chemical industries.
The grant unifies labs, extending technologies and adding computation and visualization resources. Researchers will analyze large volumes of data from non-invasive imaging technologies to study brain function, detect cognitive impairment, and improve biometrics-based security.
Researchers found a significant association between genetic variation and treatment outcome for antidepressant medication. Patients with the AA gene type were 16-18% more likely to benefit from citalopram, suggesting a key role of the serotonin 2A receptor in mechanism of action.
Researchers discovered a key gene associated with psoriasis, which is the first genetic determinant identified in a large-scale study. The discovery could lead to new treatments for psoriasis without the risks of current therapies.
The report highlights the reduction in mortality rates following organ transplantation, with primary graft dysfunction being a significant factor affecting long-term survival. Lung transplant patients also experience chronic rejection and bronchiolitis obliterans syndrome, leading to reduced pulmonary function and quality of life.
A study found that cities with reduced fine particulate matter pollution (PM2.5) had lower adjusted mortality rates, especially for cardiovascular and respiratory diseases. The largest drops in mortality rates were seen in cities with the greatest reduction in PM2.5 concentrations.
Research reveals older people are far more successful in quitting smoking compared to younger populations, with notable differences in motivations and factors influencing cessation. Notably, female elderly participants are more likely to quit, while health diagnoses such as cancer or heart disease may play a role.
Researchers developed a new assay to observe real-time gene expression in live cells, providing unprecedented insights into fundamental biological processes. The technique detects protein molecules being produced in small bursts within cells and could reveal the randomness of gene expression.
Researchers find that a unique ear canal in the concave-eared torrent frog allows it to detect and produce ultrasounds, a skill also seen in dolphins and bats. This discovery may lead to new strategies for humans to hear in noisy environments.
The discovery of a double helix nebula near the Milky Way's black hole center suggests an extremely strong and highly ordered magnetic field. This twisting wave is thought to be caused by the interaction between the galaxy's magnetic field lines and a disk of gas orbiting the black hole.
Researchers have successfully observed the Efimov state in a new state of matter where three cesium atoms behave like an entangled Borromean ring. This achievement may lead to the creation of novel materials with controlled properties, revolutionizing fields such as nanotechnology.
A four-year study of over 800 patients with pre-hypertension found that treatment with candesartan cilexetil significantly reduced the risk of developing hypertension. The study suggests that early intervention may be an effective way to prevent the disease's progression.
University of Minnesota researchers have identified a specific protein complex linked to memory loss and cognitive decline in Alzheimer's disease. The discovery may lead to targeted drug development to prevent the disease from harming the brain.
The ICON-funded study aims to identify current nanotechnology standards and practices, with a focus on enhancing environmental and health safety. The research will provide essential data for companies in the US, Europe, and Asia, shedding light on new safety models and identifying areas where they are needed.
A study reviewed over 100 scientific studies and found that the global water cycle is intensifying, with increasing precipitation, runoff, and evapotranspiration. However, the effects on tropical storms and floods are not consistent with predictions.
A long-term controlled trial found that continuing antidepressants for two years can reduce the chance of another depressive episode by 60 percent. Interpersonal psychotherapy was not effective in preventing new episodes of depression in this age group.
A new molecule, ARC, has shown promise as a potential anticancer drug that selectively kills tumor cells without harming normal cells. The compound inhibits RNA synthesis in normal cells but induces cell death in cancer cells by blocking the cell cycle, making it an attractive alternative to existing drugs that can harm healthy tissue.
The National Human Genome Research Institute is implementing a comprehensive strategy to identify structural variations in the human genome and sequence mammalian genomes. The effort aims to build a powerful toolbox for advancing human health by filling gaps in knowledge.
A team of astronomers reports the discovery of two young brown dwarfs in mutual orbit, allowing for the direct measurement of their radii and masses. The findings provide valuable insights into the physical properties of brown dwarfs, shedding light on their size, mass, and evolutionary pathways.
Researchers at Brookhaven National Laboratory are working on developing practical hydrogen-storage materials by doping sodium alanate with titanium. The goal is to create a material that can store and release hydrogen efficiently, enabling large-scale energy storage for fuel cells and other applications.
A minimally invasive approach to thyroid surgery has been shown to be safe and effective for many patients, reducing surgical trauma and recovery time. The study found that careful selection of patients based on factors such as the size of the diseased organ and the patient's anatomy enables surgeons to use this approach in most cases.
A study finds that US sheep industry decline is linked to market trends, not predation losses, contradicting decades of federally subsidized predator control efforts. The study's findings suggest re-evaluation of federal funding for predator control in the sheep industry.
Researchers found that older adults are more likely to attribute actions to individuals alone when in a negative mood, while younger adults consider situational factors. This suggests that older adults may struggle with processing external information in negative emotional states.
The Swiss Agency for Development and Cooperation's 16-year project has resulted in a significant increase in Laos' rice production, reaching 2.5 million tons in 2004. This growth is attributed to the adoption of modern varieties, resulting in higher yields and increased cash income for households.
Recovering alcoholics who smoked showed significantly less improvement in brain function and neurochemical markers of brain cell health compared to those who didn't smoke. Quitting smoking may be beneficial for better brain recovery from alcoholism, suggests a study.
A clinical trial tested maintenance therapy to prevent depression recurrence in patients 70 years and older. The study found that long-term antidepressant medication and psychotherapy were effective, but specific types of psychotherapy may be needed for this population.
Professor Tariq Ramadan argues that education is key to resisting the ideology of fear, which he believes threatens global understanding. He advocates for an 'intellectual jihad' to promote universal values and strive for a more inclusive and equitable world.
Researchers found that capsaicin induced apoptosis in human prostate cancer cells, reducing tumor size and proliferation. The study suggests capsaicin may slow prostate tumor development and production of PSA protein.
Researchers identify key proteins in Salmonella metabolic paths, finding that blocking certain enzymes may not be effective against the bacteria. Only a few essential enzymes are necessary to keep Salmonella alive, and these are also present in other pathogens or human organisms.
A recent study published in PNAS found that at least two-thirds of asthma patients' pulmonary T cells are actually NKT cells, not conventional Th2 cells. This discovery may lead to the development of new treatments targeting NKT cells.
Astronomers have discovered an eclipsing pair of brown dwarfs in the Orion Nebula, providing the first direct measurement of their mass, size, and surface temperature. This discovery sheds light on the dynamic processes that produce stars and helps estimate the masses of faint objects.
A large epidemiological study led by Xiao-Ou Shu found significant improvements in survival and quality of life measures among breast cancer patients who used ginseng, particularly those who started using it before diagnosis. The study suggests that ginseng may provide tangible benefits to breast cancer survivors.
Researchers identified a number of cas genes associated with CRISPR clusters, potentially involved in RNA-processing mechanisms. They propose that all CRISPR inserts are derived from viruses or plasmids, transcribed and silenced via Cas proteins.
The project seeks to develop nanostructured composite materials with controlled thermal conductivity, impacting technologies like thermoelectric coolers and power electronics. Huxtable plans to educate underprivileged students through a summer research program.
A new screening method using cells in lung mucus can predict tumor development up to 18 months in advance. The test identified 65% of individuals who later developed symptoms of lung cancer, but also misidentified 35% of cancer-free participants.
Researchers discovered that astrocytes promote myelination by releasing leukemia inhibitory factor (LIF) in response to electrical impulses. This finding may lead to new treatments for demyelinating diseases, such as multiple sclerosis.
Researchers at Case Western Reserve University have identified a new cell type called Blanes cells that play a critical role in shaping the output of the olfactory system. These cells selectively communicate with granule cells, leading to a disproportionate impact on the olfactory system's functioning.
A research team at Johns Hopkins University has identified a protein complex in the brain that causes cognitive decline and memory loss, providing a potential target for drug development. This discovery may help prevent Alzheimer's disease, which affects millions of Americans.