A study published in Journal of Consumer Research found that shoppers' spending is more susceptible to outside influence when their shopping goals are abstract. As they navigate the store, their goals become more specific and their spending habits adapt accordingly.
Brookhaven scientists have developed a method to create well-defined nanoparticles of metal compounds for catalytic interest. This new approach, reactive layer assisted deposition (RLAD), enables researchers to understand the atomic structures of these particles and their reactivity on the nano scale.
A team from Harvard Medical School found that matrix metalloproteinase-9 (MMP-9) helps remodel brain tissue seven to 14 days after a stroke, potentially aiding recovery. High levels of MMPs were detected in the peri-infarct cortex, an area involved in stroke recovery.
Researchers develop two mathematical tools to analyze and optimize tensegrity systems in various applications. The optimization algorithm helps maximize strength while minimizing weight, leading to potential breakthroughs in bridge, building, and aircraft design.
Researchers at Rice University have developed a self-assembly method to grow dime-sized disks of cartilage with properties approaching native tissue. The technique uses only donor cells, eliminating rejection risks, and has been refined to produce virtually identical cartilage in terms of mechanical and biochemical makeup.
Authors debate the benefits and harms of direct-to-consumer advertising of prescription drugs. Some argue it can promote underused, life-saving medications, while others claim it raises patients' expectations, increases the quality of care, but also delivers flawed information that may lead to premature adoption of new drugs.
Researchers found that horse antibodies to H5N1 protected dog kidney cells and mice infected with the deadly virus from death. Low doses of antibody (50µg) protected 70% of mice, while higher doses (100µg) offered full protection.
A study by Jasminka M. Vukanovic-Criley and colleagues found that cardiac examination skills appear similar among medical students, residents, and faculty physicians, but decline significantly after years in practice. The authors conclude that improvement is needed to ensure accurate diagnosis and patient safety.
A study found that American Indians with alcohol abuse or dependence have significantly higher rates of medical conditions, including sprains, hearing problems, and kidney issues. The researchers also noted that the total count of medical conditions is related to the severity of alcohol use.
Researchers found a decreased risk of colorectal cancer for those taking high SSRI doses before diagnosis. The study's results provide interesting insights but highlight the need for further investigation and trial data.
A graduate student at Virginia Tech has fabricated a biopolymer material with controlled surface morphology, enabling the study of its effects on cell adhesion. The new material is produced using the Langmuir-Blodgett technique and exhibits highly ordered poly(L-lactic acid) crystalline substrates with low surface roughness.
Researchers found that combining alcohol with energy drinks like Red Bull significantly reduced perceived symptoms of impairment, including fatigue and dizziness. However, objective measures of motor coordination and reaction time remained impaired, highlighting the need for caution when consuming both substances.
A study reveals that variant Creutzfeldt-Jakob disease can be transmitted to humans with specific genetic variations, including methionine/valine (MV) and valine (VV), suggesting a significant public health issue. The transmission rate varies among these genotypes, with VV mice showing the highest susceptibility.
A study published in Nature Genetics found that precancerous tumors with diverse cell populations are more likely to evolve into cancer. The research suggests that genetic diversity could serve as a biomarker for cancer risk, and may help doctors assess the success of cancer prevention therapies.
The Center for Responsible Nanotechnology has brought together world-class experts to discuss the societal implications of nanotechnology. The group, known as the Global Task Force, aims to develop comprehensive recommendations for the safe and responsible use of molecular manufacturing, a form of advanced nanotechnology.
Scientists create light-responsive colloidal particles that can be tailored to exhibit desired effects, including gel-to-fluid transitions and elastic property tuning. These innovations have vast potential applications in various fields such as ceramics, pharmaceuticals, and robotics.
Researchers explored novel oil traits through genetic engineering to enhance biofuel performance. They identified a 'soybean event' with high oleic acid levels, which reduced saturated and polyunsaturated fatty acids. Meanwhile, hydrogenated biodiesel fuels showed promise in reducing NOx emissions in light-duty diesel engines
A recent study by UC Davis researchers found that grape seed extract can significantly reduce blood pressure in individuals with metabolic syndrome. The one-month study involved 24 patients, who experienced an average drop of 12 millimeters in systolic and 8 millimeters in diastolic blood pressure.
Researchers found that polymer composites localize heat better than steel, allowing them to sustain structural rigidity and prevent fire spread. The study recommends developing materials with high glass transition temperatures to achieve optimal performance.
The new multi-functional imaging technique combines AFM and SECM functionality to provide a holistic view of biological activities at the cell surface. Researchers have demonstrated its effectiveness in studying ATP release in live epithelial cells, shedding light on cystic fibrosis.
Patients undergoing more extensive (D3) lymph node dissection had higher 5-year overall survival rates compared to those with less extensive (D1) surgery. D3 nodal dissection offers a survival benefit when performed by experienced surgeons.
The symposium showcases the latest research on green nanochemistry, focusing on sustainable nanotechnology and its applications in medicine, electronics, and energy. Researchers discuss developments of greener nanomaterials, new water-soluble carbon nanotubes, and nanomaterials for improved solar cells and fuel cells.
Researchers found that individuals with Korsakoff Syndrome retain visual learning ability despite explicit memory impairment. Visuoperceptual learning, a component of implicit memory, was shown to be preserved in KS patients.
A study found that children of men with low control over their work are more likely to attempt or complete suicide. Father's work conditions during the child's formative years have a significant impact on their mental health.
Researchers have developed custom nanoparticles that show promise in providing a more targeted and effective delivery of anticancer drugs. The particles can be made to mimic the shapes of objects found in nature, such as red blood cells or virus particles, and have the potential to reduce side effects associated with chemotherapy.
Researchers at Virginia Tech have developed a new anticancer drug that targets DNA using cisplatin-like units. The supramolecular complexes combine light-absorbing PDT agents with the drug, allowing it to bind to cancer DNA and remain inert until activated by a light signal.
Scientists have created pigs that produce heart-healthy omega-3 fatty acids by transferring a gene called fat-1 to pig cells. This breakthrough could lead to better understanding of cardiovascular function in both pigs and humans, as well as potential benefits for human health and animal welfare.
Scientists are using lead isotope analysis to study ancient copper artifacts from sub-Saharan Africa, providing insights into the spread of Islam and trade patterns across the Sahara Desert. The analysis reveals that merchants traded gold from regions like present-day Niger for copper from North Africa via camel caravans.
A study of 186 cognitively normal adults aged 70+ found that performance on cognitive tests of executive control and memory predicted walking speed without interference. Gait velocity with interference was also affected by executive control and memory, highlighting the importance of these functions in navigating busy environments.
A study found that elevated C-reactive protein levels remain even 30 years after eclamptic pregnancy, indicating a potential link to cardiovascular disease. Researchers also developed a non-invasive imaging technology to visualize infection-related changes in preterm birth, offering new insights into treatment strategies.
Researchers developed a vaccine strategy using the BRAFV600E peptide to stimulate killer T cells, showing potential for treating approximately a third of melanoma patients. The approach's specificity reduces toxicity and targets only cancer cells.
A new study provides guidelines to help doctors evaluate common test abnormalities and detect ovarian cancer with precision in asymptomatic postmenopausal women. The criteria use ultrasound and CA-125 tests to identify high-risk women, resulting in accurate detection of malignancy in over 100% of cases.
A new trial combining thalidomide and topotecan shows a 47% overall response rate, compared to 21% for topotecan alone. Women treated with the combination had improved disease-free survival and trended towards increased overall survival.
A study found that rivers north of 44° north latitude in the US and Canada experience earlier winter-spring streamflows, while those south of this line have later streamflows. This shift may impact Atlantic salmon survival rates.
A study presented at the American Academy of Orthopaedic Surgeons annual meeting found that sodium hyaluronate reduced chronic pain in patients with osteoarthritis of the shoulder by nearly 50%. The results were comparable to a previous study that led to the approval of the drug for knee pain, and are being reviewed by the FDA.
The American Association for Cancer Research (AACR) has conferred its highest honors to several scientists for their groundbreaking contributions to cancer research. Carlo Croce and Wiliam Kaelin received awards for their pioneering work in leukemia and lymphoma research, while Julian Adams was recognized for his discovery of the first...
A recent study published in Psychology of Addictive Behaviors found that nearly half of smokers made false assumptions about the tar content of Quest cigarettes, a low-nicotine brand. Smokers who felt less vulnerable to health effects and didn't think critically also made more false inferences about the potential harms.
A new dictionary of terms has been developed to convert medical jargon into everyday speech, helping patients understand their breast cancer experience. The French dictionary, which will be bilingual, aims to bridge the language gap between patients and doctors.
Scientists have identified specific DNA fragments in tomatoes that influence their nutritional content and taste. By analyzing these fragments, researchers can develop targeted breeding strategies to create healthier and tastier tomatoes.
Researchers from Stevens Institute of Technology have developed a novel integrated sensor to detect tiny flow rates in microchemical systems, enabling self-contained feedback control. The technology has applications in biomedical labs on chip, portable electronics, and homeland security.
The Nice Manifesto outlines seven key goals to improve breast cancer care in Europe, including increasing screening programs, supporting research, and expanding breast unit accreditation. The manifesto represents a promise to improve breast cancer care for all patients across Europe.
Researchers at Pacific Northwest National Laboratory have developed a durable, low-cost, and easy-to-apply ceramic-based aluminide coating that prevents corrosion, oxidation, carburization, and sulfidation in hostile environments. The coating bonds with the metal substrate and is resilient, inexpensive, and simple.
Two new studies reveal laparoscopic surgery is as safe as traditional laparotomy for uterine cancer patients, with a significant reduction in hospital stay and improved quality of life. The studies also show that laparoscopy results in less pain, faster recovery, and better body image.
Tamoxifen, originally designed as an anti-oestrogen, has proven effective in cancer treatment and is now licensed for preventing breast cancer in high-risk women. Raloxifene, developed to treat osteoporosis, also demonstrates potential in reducing invasive breast cancer risk by 76% in postmenopausal women.
Researchers found that individuals who smoke and drink developed colon cancer an average of 7.8 years earlier than non-users, with women showing a significant gap in cancer diagnosis age compared to men. The study suggests tailoring individualized screening programs based on tobacco and alcohol consumption.
Researchers at Cedars-Sinai Medical Center have developed a novel gene therapy strategy that modifies the brain microenvironment to induce an effective immune response against deadly brain tumors and infections. The treatment uses Flt3 Ligand to recruit antigen-presenting cells, which can destroy tumors and combat brain infections.
Research published in Diabetes Care found that men who slept between five and six hours per night were twice as likely to develop diabetes. Long sleep duration, on the other hand, increased the risk by three times. The study also highlights the importance of finding mechanisms by which long sleep duration contributes to diabetes risk.
A new MRI study found a nearly perfect correlation between iron levels in brain regions and those reported by past post-mortem studies. The study suggests that age-related brain iron accumulation is a modifiable risk factor for degenerative brain diseases, including Alzheimer's disease.
A recent USC study found that Chinese teens who perceive themselves as overweight, even if they are normal or underweight, are at a higher risk for depression and school-related stress. Girls in the study reported lower grade point averages when they felt overweight, while boys exhibited more aggressive behavior.
Researchers have made significant advancements in managing chronic pain in spinal cord injury patients. Studies show that specific pain patterns are stable over time, while others can be improved through treatment. Additionally, virtual reality systems have been shown to provide natural movement control and flexibility for balance trai...
AK20 will participate in the Internet2 K20 Initiative, giving Alaska students access to advanced internet-based learning opportunities. The connection enables programs like Megaconference Jr., live undersea exploration demonstrations, and remote-controlled dissections.
Researchers at Einstein College of Medicine have discovered two new compounds, 2-HA and 2-OA, that are more potent than isoniazid in killing bacteria. These compounds inhibit multiple biochemical pathways essential for bacterial survival, offering a promising alternative to current treatments.
Researchers at Purdue University have developed a national surveillance network using pet medical records to predict disease outbreaks in humans and animals. The program found correlations between flea and tick infestations and Lyme disease, as well as an increase in canine leptospirosis cases over the past decade.
Research by Sallie Chisholm and colleagues reveals genetic variation related to the environment in even the smallest ocean organisms. The findings suggest that viruses play a key role in transferring genes between microbes, enabling them to adapt to changing conditions.
Researchers identified TRPA1 as a key pain receptor underlying the response to environmental irritants like tear gas and mustard oil. Mice lacking this receptor were found to be insensitive to pain caused by these compounds, offering new hope for developing effective pain medications.
The new web resource provides instant access to cancer information materials in 11 Asian languages, including Chinese, Korean, and Vietnamese. The site features over 12 organizations' contributions, with all materials reviewed for medical accuracy and cultural relevance.
The European School of Oncology task force recommends a multidisciplinary approach to managing metastatic breast cancer, prioritizing patient psychological wellbeing and disease-specific treatment goals. Patients with MBC should be offered psychosocial support and involved in decision-making.
A national pilot study by Medical College of Wisconsin researchers showed that the use of ResQ-Valve with CPR increases short-term survival in patients with cardiac arrest heart rhythm called 'pulseless electrical activity'. The device facilitates venous blood return to the chest, increasing forward blood flow during CPR.
A 10-year federally sponsored flu vaccination promotional program aimed at the elderly could increase vaccination rates by 20 percentage points within its first five years and achieve a 90% vaccination target. The study found that such a program would save more than 6,500 lives at a cost of $37,600 per life-year saved.
Researchers at Michigan State University have developed a new, eco-friendly method for producing Taxol, a top-selling cancer-fighting drug. By harnessing enzymes from the Pacific yew tree and using water-based chemicals, they aim to reduce waste and minimize environmental impact.