Researchers have developed a multifunctional nanoparticle that eliminates background noise, enabling precise medical imaging. The technique uses photoacoustic imaging to detect single cells, potentially revolutionizing cancer detection and molecular imaging.
A study published in JAMA found that a genetic risk score is strongly associated with an increased risk of breast cancer and can predict the type of disease. The researchers identified specific genes that have different effects on different subtypes of breast cancer.
A Kaiser Permanente Center for Health Research study found that participants who logged on to an interactive weight management website consistently maintained the most weight loss. Those who used the site at least once a month for two-and-a-half years kept off an average of nine pounds of their original weight loss.
Researchers have successfully used two catalysts to produce valuable compounds for biomedical research. The cooperative catalysis approach allows for rapid, efficient and controlled production of large amounts of a key building block for many pharmaceuticals.
Researchers have successfully produced native-like spider silk in a metabolically engineered bacterium, opening up new avenues for sustainable materials and biomedical applications. The artificial fiber exhibits comparable mechanical properties to native spider silk, with high strength, extensibility, and stiffness.
Researchers at Rensselaer Polytechnic Institute are developing new technology to push drugs through the blood-brain barrier, directly targeting brain tumors. The goal is to deliver treatments for diffuse malignant glioma, a lethal type of brain cancer with no cure.
A new study published in the American Journal of Industrial Medicine reveals that there was no significant difference in injury prevalence between ethnic minority and majority groups of Chinese farmers. The US-China Agricultural Injury Research Training Project successfully trained Chinese scholars, expanding collaborative research act...
A review analyzing previous research found delirium in older patients increases risk of death, dementia, and institutionalization. The study controlled for age, illnesses, and severity, confirming the association independent of these factors.
A five-year, $4 million NIH grant will support a prospective study on antiretroviral therapy for people co-infected with MDR-TB and HIV in South Africa. The study aims to gather evidence for clinical practice and public health policy worldwide.
Recent advancements in microscopy and buffering have enabled researchers to investigate the speed and termination of calcium signaling in muscle and nerve cells. The new tools allow for a deeper understanding of how these signals initiate and spread.
A study found that men with low-risk prostate cancer often receive aggressive treatment, including surgery or radiation, even if their PSA levels are low. The researchers suggest that lowering the biopsy threshold for men with PSA levels below 4 nanograms per milliliter could lead to an increase in unnecessary treatments.
Researchers from North Carolina State University have developed methodological protocols to improve information flow during wildfires, enabling more efficient and effective responses. The study found that sharing information is essential to avoid injury or loss of life, protect assets, and maintain vital services.
A study published in Orthopedics found that patients who underwent knee or hip replacement surgery experienced a statistically significant decrease in weight and body mass index (BMI) after surgery. Notably, patients who were obese prior to surgery had the most significant post-surgical weight reductions.
N. Reed Dunnick is being recognized for his dedication to bridging the gap between diagnostic radiology and radiation oncology. As an accomplished leader in the field of radiology, Dr. Dunnick has been involved with numerous professional societies throughout his career.
A new performance intervention improved adherence to national guideline-recommended therapies for heart failure patients in an outpatient setting. The program applied clinical decision support tools, structured improvement strategies, and medical chart audits with feedback to help clinicians better provide evidence-based therapies.
A child nutrition expert argues that a global code for formula milk marketing has been mired in disputes since its adoption in 1981. The lack of effective national and international governance has hindered efforts to improve maternal, infant, and child nutrition. Effective governance is now needed to replace bitter hostilities.
A new study by Indiana University researchers found that negative stereotypes can inhibit actual learning, not just performance, in math and science. Women who experience stereotype threat may have reduced learning and struggle to learn complex skills, which could worsen over time.
Researchers have developed a new drug that targets peripheral CB1 cannabinoid receptors to improve cardiometabolic risk in mouse models of obesity. The drug inhibits the same protein as rimonabant, but without neurological side effects. This approach may reduce health risks associated with obesity and type 2 diabetes.
The International Society of Heart and Lung Transplantation has published comprehensive guidelines for the care of heart transplant recipients. The guidelines cover peri-operative care, rejection management, and long-term issues such as cardiac allograft vasculopathy and immunosuppressive adverse effects.
Researchers discovered that daydreaming about distant memories can improve memory recall and reduce remembering of recent events. Participants who thought about a vacation within the U.S. remembered more words than those who thought about an overseas trip.
Research at the University of Chicago found that children with brain injuries have difficulty developing story-telling skills. The study, published in Developmental Science, compared the language abilities of children with brain injuries to those with typical development. While vocabulary and sentence comprehension were similar, the ch...
Scientists at the Max Planck Institute of Neurobiology have identified three dopamine-releasing nerve cells essential for associating odors with negative experiences. By manipulating these cells using a temperature switch, they demonstrated that even without an electric shock, fruit flies can learn to avoid specific odors.
Researchers at Concordia University found that avatar-creators tend to create avatars that resemble their own personalities, with physical characteristics like hair length and clothing style providing clues about the creator's traits. This correlation has implications for companies looking to reach both virtual and real-world audiences.
Researchers compared two treatments for preventing strokes due to carotid artery disease, but found no clear winner. While surgery may be beneficial for patients who have had a stroke or temporary stroke in the past 12 months, stenting offers similar benefits for asymptomatic patients.
Scientists at Tufts University and the University of Pennsylvania have determined the unusual structure of a key member of the herpes virus protein complex that allows it to invade cells. The research provides a new target for antiviral drugs, which could prevent the virus's access to cells.
Researchers found that informal teen gatherings significantly increased violent behavior by adolescents, even in relatively 'good' neighborhoods. High collective efficacy neighborhoods had lower levels of violence when teens were let out unsupervised.
Research suggests that requiring a five-hour rest period for surgical residents after 16 hours of work may not improve outcomes in commonly performed operations. The study compared outcomes in laparoscopic cholecystectomies and appendectomies performed during the day versus at night, finding similar good outcomes.
A Canadian study found First Nations people on peritoneal dialysis experience higher rates of peritonitis and mortality, despite living in either rural or urban areas. The high prevalence of diabetes and obesity among First Nations populations contributes to the growth of kidney disease and renal failure, necessitating dialysis care.
Researchers have discovered a domino effect in protein complexes that contribute to neurodegenerative diseases. The study, led by Dr. Aitor Hierro, reveals reduced levels of mutated protein Vps54 disrupt the GARP complex, leading to motorneurodegeneration.
Researchers at Risø National Laboratory are producing radioisotopes for medical diagnostics and therapy, as well as research and development of new technologies. The production has increased significantly due to growing demand from PET-CT scanning, with seven cyclotrons operating in Denmark.
Researchers are collecting high-tech sensing data from various sources to create a reliable early-warning system for train operators. The goal is to predict natural disasters and possible terror attacks on rail lines.
Scientists discovered that abnormal prions, a type of infectious protein, can suddenly appear in healthy brain tissue when coated onto metal surfaces. This finding raises questions about the origin of these deadly proteins and their potential role in neurodegenerative diseases.
A research team from UNC Charlotte and Y-12 National Security Complex developed a method to eliminate long, dangerous strips of metal (chips) in machining ductile materials. The 'Modulated Tool-Path (MTP) Chip Breaking System' produces user-selectable chip lengths and workpiece finishes, preventing injuries and reducing costs.
A study of 601 childhood cancer survivors found that 27% had abnormal cardiac function, with no evidence that sex or certain treatments were risk factors. The study highlights the need for continued monitoring of these patients to prevent further deterioration of cardiac function.
A study found that physicians' understanding of patient health beliefs is generally poor, but significantly improves when patients are more actively involved in consultations. Healthcare providers can better tailor treatment recommendations by encouraging patients to express their beliefs and concerns.
A team of scientists at Columbia University's Lamont-Doherty Earth Observatory found that the anomalous winter was caused by two colliding weather events: El Niño and a strong negative phase in the North Atlantic Oscillation. This event led to more snowfall on the East Coast and northwest Europe, contrary to climate change predictions.
A new device developed at the Weizmann Institute uses sniffing technology to enable communication and wheelchair steering for severely disabled individuals. The device was tested on healthy volunteers and quadriplegics, showing promising results in mastering the skill, which can also be used as a 'third hand' for surgeons and pilots.
The Fermilab experiments have excluded a quarter of the expected Higgs mass range, with a new mass range established at 158-175 GeV/c^2. The Standard Model predicts a mass range of 114-185 GeV/c^2.
A research group at UCLA has devised a new method for securing location-sensitive data by leveraging quantum mechanics. This approach eliminates the need for distributing and storing keys, making it more secure than classical methods.
Researchers used brain potentials to study the influence of context on letter recognition. The study found that linguistic context impacts access to single abstract representations, which are partially independent from physical properties. This suggests a complex processing mechanism for word recognition.
A University of Illinois study reveals that child custody evaluators' beliefs can be broadly categorized into two groups, with one prioritizing safety for women and children. Situational violence is the most common type, but intimate terrorism is also prevalent, involving control through threats and monitoring.
The Marilyn B. Gula Mountains of Hope Foundation has donated $50,000 to the Translational Genomics Research Institute (TGen) for advanced breast cancer research and treatment. The donation will support groundbreaking research into the genetic components of common and complex diseases, including advanced breast cancer.
A study of over 2,600 parents and children across six nations found that long-term caretaking duties can strain relationships, while apathy is more detrimental than conflict. Cultural values and economic development play a significant role in shaping the dynamics of intergenerational family relationships.
A Northwestern University study found that many college students trust websites and search engines ranked high on Google, prioritizing brand recognition over factual accuracy. The study involved 102 students who showed a strong preference for Google and other top brands, even when given hypothetical information-seeking tasks.
A study published in Nature found that high doses of corticosteroids given repeatedly over several weeks may help individuals with lupus by killing off the cells producing interferon alpha. This approach is more effective than standard treatment, which can lead to long-term side effects.
A new study found that newer epilepsy drugs with a higher risk of depression, such as levetiracetam and topiramate, were associated with an increased risk of self-harm or suicidal behavior among people with epilepsy. In contrast, older drugs did not show this increased risk.
The study reveals that incorporating NASA products into the BASINS model significantly improves water quality model performance. By capturing the effects of water flow during storm periods, the NASA data systems provide a more accurate representation of non-point pollution and improve estimates of water quality.
The University of Toronto team has broken world records in the search for new particles at the LHC, confirming the Standard Model theory. The team set new limits on the mass of excited quarks, excluding their existence below a certain threshold and reconfirming allegiance to the Standard Model.
Researchers identified a way to predict which cancer patients will respond to everolimus, a treatment targeting the protein mTOR. The presence of KRAS gene mutations is associated with lack of response to treatment, suggesting that looking for PIK3CA and KRAS mutations can help predict patient outcomes.
A study confirms the benefit and safety of extending alteplase treatment for stroke to 4.5 hours, but emphasizes that patients should be treated as early as possible. The study found that delayed treatment within this time window resulted in higher rates of symptomatic haemorrhage and death.
A University of Michigan biologist and a colleague at the University of California, Berkeley, found that shade-grown coffee farms support native bees that pollinate native trees and enhance genetic diversity. The study suggests that these bees play a crucial role in maintaining biodiversity in tropical regions.
Researchers at the University of Pennsylvania have developed a new, carbon-based nanoscale platform to electrically detect single DNA molecules using graphene nanopores. The platform exhibits high resolution and may provide a way to distinguish among DNA bases, enabling a low-cost, high-throughput DNA sequencing technique.
Researchers developed a new mathematical model to predict ventricular function during the cardiac cycle, offering a simpler alternative to existing models. The model, comprising five parameters, may improve treatment options for patients with heart disease and integrate into multi-scale models of working hearts.
The novel peptide LifeAct allows for the visualization of actin in living cells, facilitating research into various diseases. This breakthrough technology has the potential to improve our understanding of actin's role in fundamental processes and its involvement in diseases such as polycystic kidney disease and invasive tumors.
Engineers at the University of Strathclyde have proven Dr. Robert L Forward's 1984 theory on improving satellite telecommunications by displacing geostationary orbits north or south of the equator. This achievement could lead to increased communications capacity and new Earth observation orbits.
Research at Rensselaer Polytechnic Institute's Lighting Research Center finds that extended daylight hours in spring delay melatonin onset, leading to teen sleep deprivation. Teenagers should increase morning daylight exposure year-round and decrease evening daylight exposure to ensure sufficient sleep before school.
Researchers developed a system using Random Forests, Logistic Model Tree, and Neural Network to diagnose heart problems with high accuracy. The study used publicly available heart rate data and achieved a classification accuracy of 98.17%.
Undergrad engineers at UCR are researching water quality, wildfires, and materials for new medical devices. The Summer Bridge program aims to increase STEM diversity and support Hispanic and low-income students.
Researchers have developed a new drug that targets peripheral CB1R, reducing glucose and fat levels in the blood without causing weight loss or neurological side effects. This approach aims to reduce health risks associated with obesity, but caution is needed to ensure the drug does not access the brain.
Researchers at Max Planck Institute discover that flushing phenomenon triggered by nicotinic acid is caused by activation of Langerhans cells and keratinocytes, leading to inflammation and skin redness. Development of novel 'flush inhibitors' could improve treatment outcomes for cardiovascular diseases.