A new, broad-band tunable infrared laser from Northwestern University offers high-power rapid tuning and has implications for detecting drugs and explosives. The robust, all solid-state laser can be rapidly tuned to capture unique spectral fingerprints of gases.
Researchers discovered mutations in TMEM230, a new gene linked to Parkinson's disease, in patients from North America and Asia. The gene produces a protein involved in dopamine packaging in neurons, which is crucial for movement disorder diagnosis.
A new study found that listening to human vocalizations helps infants form categories, while nonhuman primate vocalizations preserve their early link between signals and categorization. This research highlights the importance of language exposure in early development.
A study from Northwestern University found that some FDA-approved high-risk medical devices used in obstetrics and gynecology were not effective in clinical trials. The authors recommend increasing the burden of proof required for device approval and relying on higher quality studies.
A new study found that bright light exposure increases insulin resistance compared to dim light exposure in both the morning and evening. This could lead to excess blood glucose, weight gain, and a higher risk of diabetes over time. The study suggests that lighting impacts health outcomes.
A new approach using a two-minute video has been shown to boost pneumococcal vaccination rates among older adults, with 64% watching the entire video and receiving the vaccine. The study found that patients who viewed at least part of the video were three times more likely to receive the vaccine.
A Northwestern University study found that a class of drugs inhibiting estrogen production can quickly and effectively suppress brain seizures. The effect was profound and clear, suggesting a new approach to treating seizures by shutting down the brain's production of estrogen when a seizure first begins.
A research team from Northwestern University and Lund University has identified a sensory system in fruit flies that directly detects air humidity, allowing them to adapt to changing environments. Understanding this ability could lead to new tools for mosquito control and inform the prediction of species distribution under global warming.
Researchers at Northwestern University have stabilized exfoliated black phosphorus by covalently bonding a single-molecule-thick layer onto its surface. This enhances electronic properties and prevents degradation in open air, making it suitable for applications such as sensors, transistors, and optoelectronics.
The new lens uses metamaterials and 3D printing to counter the intrinsic imperfections of typical lenses, enabling flawless images without additional corrective components. The technology has potential applications in biomedical research and security imaging, making terahertz imaging cheaper, higher resolution, and more available.
Scientists have identified hundreds of infected cells at different points of initial entry and developed a technology that lights up the location of first cells to be infected. This discovery will enable researchers to develop more effective vaccines against HIV by targeting the primary target of transmission, Th17 cell.
A new study by Northwestern Medicine reveals that low-income families spend 2.5 times more on emergency department and hospitalization costs for children with food allergies, highlighting a significant gap in preventive care and access to special foods and epinephrine auto-injectors.
Scientists discovered that the size of zinc sparks in human eggs is a direct measure of their quality and ability to develop into embryos. This breakthrough could lead to non-invasive and easily visible methods to assess egg health before implantation.
Scientists at Northwestern University have discovered that a mixture of mirror-image molecules can exhibit optical activity when crystallized in the solid state. This finding challenges a long-standing chemical principle and opens up new areas of materials research.
A team at Northwestern University has created a device that can detect different infrared wavebands by varying the applied bias voltage. The breakthrough could enable applications such as three-color infrared imaging and infrared color televisions.
A biodegradable nanoparticle acts like a Trojan horse to convince the immune system not to attack an allergen, shutting down allergic reactions and preventing asthma attacks. The technology also shows promise in treating food allergies.
Researchers at Northwestern University have developed a new process to exfoliate atomically thin phosphorene flakes with high yield and minimal degradation. The method uses deoxygenated water as an environmentally benign solvent, resulting in superior material quality and scalable fabrication.
A global index detailing vulnerable corals and their susceptibility to thermal stress is now available. The index, based on nearly half a century of historical data, will help conservationists and scientists understand the effects of climate change on coral reefs.
A Northwestern University study shows that engaging environment can alleviate depression in genetically depressed rats, suggesting that nurture can override nature. The study found that psychotherapy and behavioral activation therapy can change blood biomarkers for depression, potentially leading to more precise treatment.
A new type of security detection device has been developed, capable of detecting explosives and biological substances from safe distances. The device uses a single-component terahertz source that operates at room temperature and can emit up to multi-milliwatts of power.
A study by Northwestern University found that higher oxytocin levels during pregnancy can predict the severity of postpartum depression symptoms. The research suggests that screening for depression biomarkers in pregnancy could lead to preventive treatment, reducing the likelihood of women seeking help and accepting treatment.
A comprehensive study of delinquent youth found that non-Hispanic whites are 30 times more likely to abuse cocaine than African Americans. Substance use disorders were common among both males and females, with marijuana being the most prevalent substance use disorder during young adulthood.
Conservatives tend to use a more structured approach, while liberals rely on 'Aha!' insights. Research from Northwestern University finds these cognitive styles affect everyday problems beyond politics.
Researchers have discovered that amyloid protein build-up is greater on the left side of the brain, where language processing occurs, in individuals with primary progressive aphasia (PPA). This study provides new insights into the disease process and offers hope for early diagnosis and treatment.
A new treatment combination of palbociclib and fulvestrant has been shown to significantly extend progression-free survival in women with stage-4 breast cancer. The study found that patients treated with the combination experienced a prolonged disease control, which may translate to improved survival.
A new study by Northwestern University research found that low levels of vitamin D are associated with aggressive prostate cancer in men. Men with dark skin or limited sun exposure should get their vitamin D levels checked and supplement if necessary to reduce the risk of aggressive prostate cancer.
Researchers at Northwestern University have designed a way to prevent protein unfolding under mechanical stress, which causes devastating neurodegenerative diseases. By attaching polymers to proteins, they can stabilize their shape and prevent them from unfolding even when subjected to large forces.
A study by Northwestern University found that out-of-state visitors to Colorado's marijuana dispensaries are increasingly visiting the emergency room, with a 109% increase in 2014 compared to 2012. Adverse side effects of cannabis use include anxiety, hallucinations, and cardiovascular issues.
A new detection system for Android could protect smartphones from malicious content, finding that even reputable apps can lead users to websites hosting malicious ads. The team tested one million apps and found that ads asking users to download a program are the most dangerous, containing malicious software about 50% of the time.
Researchers at Northwestern University developed a new scheme using plasmonics to control infrared plasmons, enabling fast transmission of massive data. By modulating light signals in the near-infrared wavelength region, they can potentially switch signals in optical fibers with high speeds.
A new Northwestern Medicine study links a biological age discrepancy to increased cancer risk and mortality. The study found that individuals with an epigenetic age 2.2 years older than their chronological age have a higher risk of dying from cancer.
A new study found that 24-month-old infants from the US and China share similar attention patterns for objects and events, but also show culturally specific differences. Infants in China preferred looking at scenes featuring a new action, while those in the US focused on new objects.
A new Northwestern Medicine study found that an adolescent male's attitude toward risky sex, pregnancy, and birth control can predict whether he will end up living with his future offspring. Young men who felt more favorable towards pregnancy had a higher chance of becoming nonresident fathers.
A Northwestern University research team has discovered telling clues about the materials and methods used by Roman-Egyptian artists to paint lifelike mummy portraits. The analysis provides strong evidence on how many of the 15 paintings were made, shedding light on the evolution of painting techniques in the Byzantine Empire.
A new Northwestern University study found that about a third of adolescents experience severe and ongoing bullying, which can lead to major depression and post-traumatic stress disorder (PTSD). The study also highlighted the importance of addressing these patterns in schools through policies and programs.
A new landmark national study by Northwestern Medicine found that allowing surgical residents to work longer hours without compromising patient safety improved patient care and resident training. The FIRST trial investigated 4,330 residents and 138,691 patients, with similar rates of complications in both groups.
Researchers demonstrate selective gene delivery to modified upper motor neurons, showing promise for future gene replacement therapies. The study provides evidence that targets diseased cells with high specificity, laying the groundwork for effective treatment strategies.
Researchers developed a new hybrid polymer that combines rigid covalent bonds with soft supramolecular polymers. This allows for the creation of self-repairing materials, drug delivery systems and artificial muscles. The unique structure enables the polymer to lift weights, contracting and expanding like muscles.
Researchers discovered young star populations in old globular clusters that formed from gas flowing in from outside the cluster itself. This challenge traditional understanding of star birth and highlights the complex nature of globular clusters.
Researchers at Northwestern University have developed a new biodegradable material that can reduce scarring in blood vessels, potentially preventing deadly blockages. Early tests show the material can reduce cell migration by 57 percent.
A new Northwestern University and UCLA study found that young people with high neuroticism are highly likely to develop both anxiety and depression disorders. Researchers suggest a single intervention could help prevent the development of both conditions.
Researchers found that HIV persists in lymphoid tissue despite potent antiretroviral therapy, and that low-level replication maintains viral reservoirs. The study provides a new perspective on how to deliver drugs to effectively eradicate the virus.
Researchers at Northwestern University discovered crumpled graphene balls as a promising lubricant additive that outperforms some commercial lubricants in reducing friction and wear on steel surfaces. The additive is self-dispersing without surfactants and has high performance sensitivity to concentration, making it more stable.
A Northwestern University study uses fruit fly genetics to understand how normal cells switch to specialized states and how this process might go wrong in cancer. Researchers found that a protein called Yan fluctuates wildly during this transition, suggesting a critical role in the development of cancer cells.
A study from Northwestern University found that many parents are unaware of how to use an epinephrine auto-injector and have a written emergency food allergy action plan. The guidelines for treatment are not being followed, highlighting the need for improved communication between doctors and parents.
Researchers at Northwestern University have developed a way to train smartphone activity trackers to spot fake activity, increasing accuracy from 38% to 84%. The system learns to recognize patterns of cheating, such as shaking the phone while lounging on the couch, and can generalize it across individuals.
A team of Northwestern University engineers has created a new way to print three-dimensional metallic objects using rust and metal powders, expanding the types of metals, alloys, and architectures that can be additively manufactured. The method uses liquid inks and common furnaces, resulting in a cheaper, faster, and more uniform process.
A Northwestern University team has developed a mid-infrared tunable laser integrated into an on-chip amplifier, demonstrating an order-of-magnitude increase in output power. The new technology allows for adjustable wavelength output, modulators, and amplifiers in a single package, enabling more efficient detection of hazardous chemicals.
Scientists have developed a new treatment strategy that restores a brain region controlling emotions and reduces chronic pain behavior in animal models. The combined drugs target brain circuits and eliminate chronic pain when administered together shortly after an injury.
Researchers have successfully synthesized a two-dimensional sheet of boron, known as borophene, with metallic properties at the nanoscale. The material's unique atomic configuration and anisotropy result in a high tensile strength, making it a promising candidate for applications in electronics and photovoltaics.