Researchers at Mangalore University have developed a novel method to generate silver nanoparticles using electron beam irradiation, which shows high activity against gram-positive and gram-negative bacteria, including MRSA and E. coli O157.
Researchers found that children born to HIV-positive mothers with specific TLR9 gene variants are at a higher risk of acquiring the virus. The study confirms the relevance of innate immunity in perinatal HIV-1 infection and may lead to new therapeutic strategies.
A study published in the Journal of Experimental Medicine suggests that boosting interleukin-10 levels can protect against lethal E. coli K1 infection without antibiotic side effects. Researchers seek to determine its safety and efficacy in human infants infected with the bacterium.
A study published in the American Heart Association Rapid Access Journal Report found that reducing sugar-sweetened beverage consumption by one serving per day is associated with a significant decrease in systolic and diastolic blood pressure over 18 months. The researchers suggest that this reduction can lead to substantial health ben...
A team of researchers tracked a comet as it approached the sun using data from NASA's STEREO and SOHO spacecraft. The comet, believed to be part of the Kreutz family, survived the intense heat of the corona and evaporated in the chromosphere.
Research from the University of Warwick and the University of West England calls for social care home workers to be trained in basic clinical nursing skills to provide high-quality care as residents' needs increase. The report also highlights cultural barriers, such as ageism, that hinder care delivery.
Fibromyalgia diagnosis to shift from tender point test to symptom-based evaluation using widespread pain index and symptom severity scale. New criteria recognize fibromyalgia beyond body pain, focusing on fatigue, sleep disturbances, and cognitive problems.
A Singaporean study analyzed trends and symptoms among patients during the 2009 pandemic, finding that pandemic influenza was milder than seasonal flu, with fewer cases of fever and upset stomach. The study also found that pandemic influenza affected younger individuals more often than older adults.
A study of 2,230 patients with chronic obstructive pulmonary disease (COPD) found that long-term treatment with beta-blocker medications was associated with fewer respiratory flare-ups and longer survival. The study also showed that beta-blockers may reduce the risk of exacerbations in patients with COPD.
Researchers have identified eIF5A as a crucial player in pancreatic beta cell dysfunction in diabetes. Blocking hypusine modification of eIF5A protected mice in a model of diabetes, suggesting potential therapeutics for preserving beta cell function.
Researchers at Harvard University have created a new method for fabricating tiny nanofibers using rotary jet spinning, which offers more control and greater yield than traditional electrospinning. The device has potential applications in biocompatible materials, air filters, artificial organs, and tissue regeneration.
A new technique developed by Dr. Jeremy Mao and his team can orchestrate stem cells to migrate to a three-dimensional scaffold infused with growth factor, holding the potential to yield an anatomically correct tooth in nine weeks once implanted. This approach avoids the need for harvested stem cell lines or creating environments outsid...
Researchers are developing a method to print active pharmaceutical ingredients onto tablets, allowing for faster production and higher quality control. This new process could enable 40% of all medicines used in tablet form to be printed, reducing production time and increasing consistency of dosage.
A study found that academic detailing increased prescribing of thiazide-type diuretics in counties with higher activity levels. The intervention led to a small increase in medication dispensing, but other factors may have blunted its impact.
Researchers at Mount Sinai School of Medicine have discovered that bone marrow cells play a crucial role in fighting respiratory viruses. The study found that cells produced by the bone marrow migrate to the lungs to help fight infection and produce infection-fighting proteins.
Scientists from Scripps Research Institute have developed a novel method to produce molecular structures common to natural molecules, which could accelerate the study and identification of new drugs. The technique enables efficient production of skipped polyenes, shared by vital molecules in human health.
Researchers have discovered a new stem cell in the developing human brain that produces nerve cells forming the neocortex, the site of higher cognitive function. The study sheds light on developmental diseases such as autism, schizophrenia, and Alzheimer's disease, and could lead to novel therapies.
A new study finds that adding straw residue to hairy vetch cover crops can reduce nitrogen loss into waterways. However, this method also results in reduced crop yields due to the straw's removal from the field for sale. The research suggests integrating legume cover crops with synthetic fertilizers could improve sustainability.
Researchers have found a way to tap into the properties of p53 to kill cancer cells while sparing normal cells. By controlling the cell cycle and inducing endoreduplication in cancer cells, they can target tumour-specific killing while minimizing damage to healthy cells.
Researchers at UC Berkeley have discovered a new action mechanism for topoisomerases, enzymes that uncoil DNA, which could lead to the development of more effective antibiotics and anticancer drugs. The discovery, led by James Berger, provides a better understanding of how these enzymes interact with DNA and drugs.
Scientists observed male topi antelopes in southwest Kenya faking alarm snorts to deceive females in heat, allowing for additional mating opportunities. The males' false alarms only occurred when females were in estrus, and the researchers found that these deceptions increased the males' chances of mating by nearly three times.
Researchers at Medical College of Georgia have identified a rare hybrid cell that can switch the immune system on or off, expressing indoleamine 2,3 dioxygenase to turn off T cells. This unique cell has properties of both dendritic and B cells, with potential implications for cancer and rheumatoid arthritis therapies.
A well-preserved village in China's Sanyangzhuang offers a unique glimpse into daily life in Western China during the Han Dynasty. The site features remarkable finds such as tiled roofs, brick foundations and metal tools, suggesting a relatively affluent community despite its remote location.
A new £800,000 research programme aims to unlock the secrets of motor neuron disease by studying human motor neurons and support cells from donors. The programme will investigate whether support cells are injurious or protective to motor neurons, and may lead to promising new treatment strategies.
Researchers found that global warming led to a 30% decline in biodiversity among small mammals, with populations experiencing significant losses while the deer mouse thrived due to its adaptability. This change had ripple effects on ecosystems, affecting soil aeration, seed dispersal, and predator-prey relationships.
Scientists found that M. tuberculosis antigens remain unchanged and homogenous, unlike many viruses and parasites, allowing the bacteria to be transmitted from person to person.
A new study has found that pregnancy doubles the risk of HIV transmission to men, with their risk increasing by double if their partner is both HIV-infected and pregnant. Researchers have also tested a vaginal microbicide in pregnant women, finding that it shows promise for preventing HIV transmission.
Scientists have developed a new method for synthesizing complex carbohydrates, enabling researchers to study their function in cellular processes and diseases. The method, reported in Nature Chemistry, allows for rapid and controlled synthesis of oligosaccharides, paving the way for the creation of libraries of carbohydrate molecules.
Researchers tested a vaginal microbicide gel containing an integrase inhibitor and found it provided significant protection against infection with a virus similar to HIV. The study showed promise for further evaluation of integrase inhibitors as a potential method for preventing HIV transmission in uninfected individuals.
The study reveals that global child under-5 deaths have declined by 60% since 1970, with neonatal mortality dropping by 57%. Many poorer countries are making accelerated progress, while high-income countries like the UK and US are lagging behind. Only 31 developing countries are on track to meet MDG4.
Researchers have identified intrinsic properties of DNA that influence mutation rate, including the impact of CpG content. The study suggests that the co-variation of CpG content and non-CpG mutation rate is a property of the DNA sequence itself.
Researchers found that bacteria in oxygen-free environments can use insoluble organic compounds to accelerate mineral respiration, a new pathway for electrical charges to move around in the environment. This discovery has implications for understanding soil chemistry and environmental contamination.
Nine new species of handfish have been described by CSIRO, bringing the total to 14 known species. The discovery deepens concerns about declining populations and environmental vulnerability.
A study of 1,800 heart attack patients found that nearly half received instructions on resuming sex, but fewer discussed it with their doctors. Men were more likely to report a loss of sexual activity if they didn't receive information on when to resume.
A team of ARS scientists used remote sensing tools to identify invasive Ashe juniper shrubs and trees in central Texas. The study found that the first 10 bands from a MNF transformation were the best for distinguishing Ashe juniper from other mixed woody species.
The University of Pittsburgh has received a total of $2 million in grants from the Howard Hughes Medical Institute (HHMI) to support its precollege and undergraduate science education initiatives. The four-year grants will fund academic programs that encourage high school and undergraduate students to engage in active research, fosteri...
Researchers at Michigan State University are testing a new NicVAX vaccine to help people quit smoking and avoid relapses. The vaccine works by preventing nicotine from crossing the blood-brain barrier, blocking the addictive pleasure sensation experienced by smokers.
A study published in PLoS One investigates the reliability of peer review and its influence on journal editors' decisions to publish or reject research. The results suggest that reviewers agree on manuscript disposition rates barely exceeding chance, while editor decisions are significantly influenced by reviewer recommendations.
Researchers from the NYU Cancer Institute will present studies on improved ways to diagnose melanoma in lymphatic vessels and investigate genetic differences between melanoma subtypes. Laura Hogan, a pediatric hematology and oncology fellow, is also honored for her outstanding work in pediatric oncology research.
New definitions of malnutrition published, identifying starvation-related and disease-related malnutrition as independent risk factors for hospital mortality. The study highlights the importance of nutrition assessment in clinical practice.
A study of 125,126 Swedish citizens with type 2 diabetes found an increased risk of 24 types of cancer, with the highest rates for pancreatic and liver cell cancers. The researchers also discovered a lower risk of prostate cancer among diabetics with a family history of the disease.
A comprehensive health promotion program developed by CSX Transportation reduced cardiovascular disease-related medical claims from 56.6% to 48.3% and hospital claims from 6% to 4.3%. The program, launched in 2004, included interventions such as biometric screenings, nutrition and exercise coaching, and on-site fitness centers.
A recent study by the University of Illinois found that food insecurity is associated with a higher body mass index, greater weight gain during pregnancy, and a higher risk for gestational diabetes. Pregnant women who experienced food insecurity were more likely to develop health complications.
Scientists need to be more proactive and effective in communicating their research findings to various audiences, including resource users, communities, and the general public. A comprehensive approach to communication used in the establishment of marine reserves can be applied to other areas of science and natural resource management.
A new technology developed by MIT chemical engineer Christopher Love can analyze individual immune cells taken from patients, allowing for precise measurement of the cells' response to allergens. This approach enables faster and more reliable food allergy diagnoses than current tests.
Researchers have developed silica cages that can package anti-cancer antibodies, which significantly slow the growth of tumors and prolong the lives of mice. The treatment also reduces side effects compared to traditional intravenous drips.
A pharmacist-led home blood pressure monitoring program supported by the American Heart Association's Heart 360 website improved blood pressure control for patients with uncontrolled hypertension. The program, which used online tools and clinical pharmacy specialists to adjust medications based on proven protocols, resulted in a signif...
The University of Miami will receive a $1.4 million grant from the Howard Hughes Medical Institute to strengthen its undergraduate science education program. The program aims to attract first-generation college students and those from underrepresented groups to pursue careers in science.
The World Health Assembly approved a resolution focused on preventing and treating pneumonia, the world's leading killer of children. The resolution aims to save millions of young lives by accelerating access and delivery of proven interventions, including vaccination and antibiotics.
University of Calgary researchers warn of a new computer security threat called Typhoid adware, which can infect laptops in public places like internet cafes. The adware displays advertisements on infected computers without the user's knowledge.
Researchers have found that lithium reduces brain inflammation by increasing levels of anti-inflammatory DHA and decreasing pro-inflammatory arachidonic acid. This dual mechanism may explain why lithium is effective in treating bipolar disorder, and could lead to additional therapeutic uses.
A new study by Brigham Young University found that reality TV shows exhibit more aggression than dramas, comedies, and soap operas. The researchers analyzed 120 hours of programming and identified 52 acts of aggression per hour on reality TV, with 'The Apprentice' topping the list.
The OU-PRIME research weather radar captured fine details of the storms never seen before with any radar. Researchers believe this unique data set will reveal new discoveries about tornado genesis and severe storms for years to come.
A study in mice suggests that prenatal exposure to BPA or DES may program a fetus for life, increasing the risk of breast cancer in adulthood. Higher EZH2 levels are associated with an increased risk of breast cancer in humans, highlighting the potential need for monitoring women exposed to these chemicals.
A new blood test can predict whether newborn babies are at high risk of developing allergies as they grow older, thanks to research involving the University of Adelaide.
Researchers used systems biology approaches to study how hematopoietic cells react to high levels of erythropoietin. They found that the cells rapidly take up and break down the hormone, replenishing their receptors in a continuous process. This understanding may lead to developing more effective anemia treatments.
The Economics of Ecosystems and Biodiversity (TEEB) study estimates annual Natural Capital loss to be between EUR 1.35 trillion - EUR 3.1 trillion, with coral reefs valued at US$ 172 billion annually. TEEB leader Pavan Sukhdev calls for decisive action to prevent biodiversity loss.
Consuelo De Moraes at Penn State has received a $100,000 grant to investigate the link between malaria infection and odor cues that attract mosquitoes. Her research aims to identify a chemical signature of malaria infection, potentially leading to new diagnostic tools.
A multicenter team of researchers, including scientists at Albert Einstein College of Medicine, has received a NIH 'Glue Grant' to develop a strategy for discovering the structure and function of unknown enzymes. The research may result in new drug targets and lead to new enzymes for industrial reactions.
A NASA 3D image reveals a thunderstorm in Cyclone Laila that reached almost 11 miles high. The Tropical Rainfall Measuring Mission satellite provided data to forecasters, helping them predict rainfall and storm behavior.