The new mat mimics natural clotting processes by creating fibers of similar dimensions to those found in the body. It can be used for minor cuts or severe battlefield wounds, promoting clotting and eventual absorption by the body.
OptIPuter program to deploy DiamondWave all-optical switches, enabling fast and cost-effective network with high-speed data transmission. The platform will support scalable and flexible network infrastructure with minimal signal power loss and latency.
Actonel significantly reduced fracture risk in high-risk postmenopausal women, with a 62% reduction seen at one year. The medication was found to be effective in reducing spinal fractures in patients over 70 years old and those with low hip BMD.
A Purdue research report suggests that ancient lake sediments and computer simulations indicate El Niño might react differently to global warming than current theory claims. The tropical Pacific Ocean maintains its ability to remove heat periodically, even when the climate warms.
Scientists have found that Bacillus spore size changes with environmental conditions, potentially allowing for rapid detection of anthrax. The discovery could enable a test to identify anthrax spores in seconds to minutes.
Researchers discovered that giant solar loops can erupt explosively, releasing massive amounts of plasma and heat. The longer the loop, the more likely it is to erupt, posing a threat to satellites and space weather.
The study reveals that protein components in the post-synaptic density (PSD) move together in response to neural activity, with a significant percentage undergoing up-and-down regulation. The findings also suggest a high rate of PSD remodeling, with neurons replacing its content multiple times a day.
Researchers at Memorial Sloan-Kettering Cancer Center successfully eradicated cancer in mice using targeted immunotherapy with engineered human T cells. The study, published in Nature Medicine, demonstrates the first-in-vivo efficacy of adoptive immunotherapy with engineered human T cells in mice.
A team of scientists from the University of Wisconsin-Madison has developed methods for recombining DNA segments in human embryonic stem cells using homologous recombination. This technique allows for manipulating any part of the human genome to study gene function and mimic human diseases.
A host gene variant on chromosome 6 has been identified as making people more vulnerable to leprosy. Researchers used genome scanning to analyze DNA samples from nearly 100 families and confirmed the findings in an additional 200 families.
Public Science Day will feature lunch, presentations, gallery science shows, health fairs, lightning demonstrations, dissections, dinosaur digs, scavenger hunts, telescopes, science kits, activity booths, touch carts, and journaling. The event promotes scientific exploration by children in local museums and institutions.
A study published in Vadose Zone Journal reveals that temperature measurements can accurately determine the rate of water movement towards the groundwater table. This information can help optimize irrigation practices and ensure the long-term sustainability of ground-water resources in the region.
Researchers found that mice with a specific gene (Hic1) developed cancers at an older age, depending on their sex. Female mice developed lymphomas and sarcomas, while male mice developed epithelial cancers. The study provides evidence of epigenetic problems leading to cancer in mice.
Researchers will create fluorescent dyes to bind to DNA, lipids, carbohydrates, and proteins in Martian soil to detect life forms. The system aims to be versatile enough to couple with different types of rovers used in planetary expeditions.
A new phthalocyanine compound, Pc 4, targets cancerous cells preferentially, leaving healthy tissue alone. The treatment uses laser light to activate the drug, producing forms of oxygen that kill cancer cells and break down tumors.
A recent study at Johns Hopkins Medicine found that babies born with low amniotic fluid at 37 weeks' gestation have normal birth weights and health, challenging conventional wisdom. The study of 262 women showed no significant differences in birth outcomes between those with low and normal amounts of amniotic fluid.
A family history of asthma is a consistent risk factor for childhood asthma, but only partially identifies children at increased risk. Despite this, knowledge of the risk can motivate parents and healthcare providers to take proactive steps in prevention.
AstraZeneca has submitted an application to the European Health Authorities for a new indication for Seroquel in treating manic episodes associated with bipolar disorder. The company's clinical trial programme showed strong and positive results, confirming Seroquel as an ideal first-line agent for this condition.
New porous materials show photoluminescence, ion exchange and gas sorption, having large surface area and uniform pore sizes. They have potential applications in electrochemical sensors, photocatalysts, solid electrolytes for batteries and gas separation.
The EMBO project aims to improve teacher training through international exchange and hands-on activities in labs. A facility will be established at EMBL Heidelberg to offer practical classroom materials and resources.
The Office of Naval Research conducted a technology transition 'wargame' to explore approaches for rapid spin-out of emerging technologies into the commercial sector. The exercise examined three different models, including traditional government office, not-for-profit corporation, and for-profit company models.
A recent study found that women have less tolerance for self-handicapping by men or women, making more negative evaluations of the behavior. Women are also less willing to excuse self-handicapping even when alternative explanations are viable, suspecting laziness and lack of motivation.
Researchers identified a complete iron-acquisition pathway in Staph. aureus, which also applies to Anthrax and Listeria. This discovery could lead to the development of new drugs to disrupt the pathway and prevent infection.
A new trial found that routine electronic fetal monitoring, known as admission cardiotocography, has no impact on infant death or moderate to severe illness rates. The practice may also increase the risk of unnecessary interventions during childbirth.
Research by the USDA Forest Service Southern Research Station sheds light on red-cockaded woodpecker conservation, revealing a preference for older pine trees with resin-rich bark. The study also shows that converting loblolly pine stands to longleaf pines can increase available food for endangered woodpeckers.
A new tool called APRA allows for detailed analysis of mRNA molecules in intact cells, revealing key interactions with the Fragile X Mental Retardation Protein (FMRP). The study provides a potential approach to develop new treatments for Fragile X syndrome, a genetic disorder that affects mental development.
Eating high-quality protein helps maintain muscle mass during weight loss efforts, burning more calories. A study found that a moderately high-protein diet resulted in greater weight loss and reduced body fat compared to a low-carbohydrate diet.
Researchers report improved left-ventricular and overall heart function in a 72-year-old man after receiving undifferentiated stem cells. The grafted scar showed the presence of well-developed skeletal myotubes with preserved contractile structure, indicating long-term viability and functional potential.
Researchers estimate that 90% of the population is gaining up to 50 extra calories a day, which can be addressed by taking an extra mile of walking each day. Closing the energy gap will also require a fundamental change in how people think about physical fitness.
Duke University researchers used a new statistical method called ordered subset analysis to identify a strong link between the GABRB3 gene and autism. By grouping patients with similar traits together statistically, they discovered a genetic risk factor that was missed by looking at the larger group.
A study found that male victims of childhood sexual abuse were more likely to become perpetrators if they experienced material neglect or lack of supervision during childhood. The risk was also increased if they witnessed violent behavior within their families.
Researchers at the University of Illinois Chicago have successfully synthesized amphidinolide T1, a highly potent compound with potential as an antitumor agent. The breakthrough, achieved through retrosynthetic analysis and sophisticated technologies, could lead to more effective cancer treatments.
A study by Duke University Medical Center researchers found that older patients undergoing coronary artery bypass surgery are more likely to suffer cognitive decline due to lowered immunity to gram-negative bacteria. Cognitive decline was particularly pronounced in patients over 60, suggesting that boosting immunity may improve outcomes.
Researchers have developed DNA scaffolding for arrays of nanoparticles, enabling the processing of large amounts of information. The technology could lead to real-time image processing and improved noise filtering, potentially even rivaling human eye speed.
Two studies found that invasive species have significantly fewer parasites than their native competitors, allowing them to outcompete and devastatingly impact native ecosystems. This advantage is due to the poor match between parasite hosts in new environments.
Researchers have created a zebrafish model that can help pinpoint genes accelerating or delaying the spread of T cell acute lymphoblastic leukemia. The model will enable testing of novel drugs against the disease, potentially leading to new treatments for cancer patients at risk.
A broad-based research program is needed to understand obesity, which cannot be easily explained by personal failing. Genes and environment interact to determine body weight, with genetic factors accounting for individual differences in weight among present time.
Satellite images from NASA's MOPITT project show high levels of carbon monoxide in regions prone to pollution, such as Southeast Asia and Australia. These images provide a new tool for monitoring air quality and tracking the spread of pollutants over long distances.
A man with kidney disease experienced severe abdominal pain after using a whirlpool in a Jacuzzi, highlighting potential health risks. The case study suggests that whirlpooling may cause mechanical injury to the kidneys, particularly under conditions like hypertension or anticoagulation.
A recent study conducted at Wake Forest University Baptist Medical Center found that weekly injections of the hormone 17-alpha-hydroxprogesterone caproate reduced pre-term birth risk by 34% in high-risk women. The treatment was also shown to be effective in African American and non-African American women.
Researchers from the University of Maryland Biotechnology Institute and Duke University discovered the genetic defect in humans and mice linked to LQT4, which affects an important adaptor protein called ankyrin-B. The defect leads to inadequate calcium regulation, causing chaotic heartbeats and potentially life-threatening arrhythmias.
Researchers discovered two enzymes necessary for mice to process three basic tastes, challenging the long-held view that distinct machinery is needed. The study also found that restoring one enzyme can selectively restore specific taste modalities.
Stanford is conducting an online self-management program for individuals with heart disease, lung disease, and type-II diabetes. The program aims to improve health outcomes by teaching participants how to manage their conditions effectively, including managing medications, exercise, and stress.
Phytoplankton communities fix carbon half as fast at pH 9, while dinoflagellates correlate strongly with high pH levels. Increased nutrient loading increases pH variability, affecting coastal ecosystems.
A new study found that providing integrated medical and health care services can reverse disparities in health outcomes between African Americans and whites. The research, published in the Journal of the American Geriatric Society, compared health status and survival rates of elderly African American and white participants enrolled in ...
Cecropin A alters bacterial gene regulation, challenging conventional thinking on its mechanism of action. The insect antibiotic's ability to evade resistance raises hope for new therapeutic agents.
A new study found that genetically modified crops in India produced yields up to 80% greater than non-Bt counterparts, while also reducing pesticide use. This breakthrough has implications for small-scale farmers in developing nations who struggle with crop losses due to pests.
Scientists found that increasing nitrogen fertilizer levels in corn hybrids boosts Bt toxin production, potentially affecting pest management. The study suggests that early-season nitrogen applications may impact the effectiveness of Bt hybrids in reducing insect damage.
A new study suggests that middle-aged mice burn fewer calories during exercise, contributing to weight gain. The researchers identified the serotonin 5-HT(2c) receptor as a potential target for therapy.
The Visualization Center at UCSD has made cutting-edge visualization technology available in the classroom, enabling students to interact with three-dimensional images and real-time data. This technology is particularly beneficial for underprivileged students who may not have access to such resources otherwise.
Research finds that invasive animals typically have fewer parasites in new habitats, allowing them to dominate native populations. This advantage is attributed to the lack of matched parasites, enabling introduced species to outcompete less fit native species.
A recent study found that lower vaccination rates among diabetic minorities, particularly African-Americans and Hispanics, cannot be explained by socioeconomic factors. The researchers suggest that understanding shared social and cultural values may hold the key to addressing these racial disparities.
A study published in Nature reveals a specific gene mutation causing inherited Long QT Syndrome, leading to fatal cardiac arrhythmias and sudden death. Researchers identified the E1425G mutation in ankyrin-B, a protein crucial for heart muscle cell function.
A study of 97 healthy men aged 22-80 found significant age-related decreases in semen volume and sperm motility. Semen quality is a proxy for fertility, suggesting that men may become progressively less fertile as they age.
Researchers used functional magnetic resonance imaging (fMRI) to study the effects of antidepressant venlafaxine on clinically depressed patients. The study found that the drug produced robust alterations in the anterior cingulate area of the brain within two weeks, which may help predict treatment response.
Historian Omer Bartov argues that scholars have often supported mass crimes and inhumanity, prioritizing political loyalty over morality. He cites examples of academic silence on Nazi policies, the Holocaust, and genocides in Rwanda and Cambodia.
Researchers have identified an abnormality in the anchoring protein ankyrin-B as the cause of long QT syndrome, a rare and often fatal heart condition. The study found that disruption of this protein causes ion channels to function improperly, leading to abnormal heartbeats and cardiac arrhythmia.
Researchers at the University of Pittsburgh discovered that PTHrP significantly increases bone mineral density in postmenopausal women with osteoporosis, with a 4.7% increase observed in just three months. The study's findings are promising and take the identification of an effective short-term anabolic agent one step further.
Researchers developed Antibody Positioned RNA Amplification (APRA) to analyze RNA binding proteins, identifying mRNAs encoding proteins involved in signal transmission and neuron maturation. The technique has great potential for targeting specific RNA binding proteins and studying disease states.
A grading scale and simple visual analysis of 18F-FDG PET scans were used to predict cervical cancer patient outcomes, with high accuracy in survival prognoses. The test's reproducibility was demonstrated by independent observers' close scores and results.