Researchers at Northwestern University have developed a technique to produce double-walled carbon nanotubes with improved electrical conductivity, spatial resolution, and scanning lifetimes. The method uses density gradient ultracentrifugation to separate the nanotubes, resulting in longer DWNTs that outperform single-walled nanotubes.
A Northwestern University team developed partial-wave spectroscopy (PWS) to detect subtle abnormal changes in human colon cancer cells. The technique can identify cell nanoarchitecture and detect changes before conventional microscopy can.
Researchers found that single-celled organisms spontaneously silence large numbers of metabolic reactions to optimize growth, with around 300 active reactions for all four organisms under optimal conditions. This finding provides new insights into the interplay between metabolic network activity and biological function.
Researchers at Northwestern University's Feinberg School of Medicine discovered a link between chronic pain and brain rewiring in complex region pain syndrome (CRPS). The study found changes in the brain's white matter, which dispatch messages between neurons, contributing to the condition.
Researchers at Northwestern University found a way to trick the immune system of mice into believing transplanted islets are their own cells. This technique eliminated the need for immunosuppressive drugs in mice with chemically-induced diabetes after islet transplantation, showing high success rates.
Researchers have developed electronics that can withstand complex deformations, including twisting. Their 'pop-up' technology has been improved to create circuits that can bend, stretch, and twist, enabling new applications in medical and athletic fields.
Researchers studied e-mails sent from over 3,000 accounts and found that people don't respond to e-mails randomly, but rather in cycles influenced by their daily routines. The model reveals non-random intervals between e-mails, including times when people are sleeping.
Researchers at Northwestern University's Feinberg School of Medicine discovered that super-aged brains have a lower number of fiber-like tangles, which accumulate inside brain cells and are thought to kill them. This finding suggests that individuals with fewer tangles perform better cognitively.
New Northwestern University research reveals that women's physical appearance can impact their chances of winning votes, particularly for men. The study found that female politicians who are seen as both attractive and competent are more likely to win votes, while male politicians with approachable features tend to perform better in el...
Researchers at Northwestern University resolved discrepancies in ZnO nanowire elasticity by performing experiments and computational studies. The findings reveal that the elastic stiffness of ZnO nanowires monotonically increases as their diameter decreases, with atomic level changes attributed to surface reconstruction.
A team of researchers at Northwestern University has successfully written nanoscale protein arrays using a tool called the nanofountain probe (NFP), which rapidly deploys proteins with unprecedented resolution. The technique utilizes electric fields to control protein transport, allowing for efficient and high-resolution patterning.
A recent Northwestern University study reveals that the immediate response of non-black participants is to categorize racially ambiguous people as black when they know one parent is black and the other is white. However, upon more thoughtful reflection, they are more likely to consider the same faces multiracial.
A Northwestern University-led research team has identified a new material that can transform thermoelectric technology into one that converts waste heat into electricity, potentially improving gas mileage by 5-10 percent. The discovery is promising and could lead to widespread use in the automotive industry and other applications.
Researchers at Northwestern University believe spicy food, including pepperoni pizza, can worsen pelvic pain and urinary frequency in women with interstitial cystitis. A new treatment approach using anesthetic patches or suppositories may provide relief.
A Northwestern University research team developed a nanomaterial-based biomedical device that delivers chemotherapy drugs locally to tumor sites, reducing unnecessary exposure to toxic drugs. The device takes advantage of nanodiamonds for sustained drug release, which was demonstrated to be effective for one month.
Researchers developed a fiber optic technology to measure blood levels in the colonic lining, detecting an early increase in blood supply associated with proximity to neoplasia. The findings suggest this technology could be a valuable screening tool for enhancing polyp detection and improving colon cancer prevention.
A new Northwestern University study finds that liberals fear a barren, lifeless world without deep feelings and intense experiences, while conservatives fear chaos and societal collapse. The research sheds light on why conservatives prefer authoritarian leaders and may explain differences in political orientation.
A new meta-analysis found that phone psychotherapy retained 97.4% of patients compared to face-to-face therapy's 50%. This breakthrough suggests a more accessible and effective treatment option for those struggling with depression.
A new study from Northwestern University's Feinberg School of Medicine found that ipratropium increases the risk of heart attack or arrhythmia by 34% compared to albuterol or no treatment. The study suggests that the medication may have a systemic cardiovascular effect, increasing mortality risk in COPD patients.
Researchers at Northwestern University found that avatars in virtual worlds respond to social cues, revealing racial biases, similar to real-world behavior. The study employed door-in-the-face and foot-in-the-door techniques to demonstrate the effects of social influence on avatar behavior.
A Northwestern University study found that over 60% of US hospitals do not comply with the recommendation to examine 12 lymph nodes after colon cancer surgery, leading to improved survival rates when more nodes are checked.
A Northwestern University research team found that cell metabolisms have evolved to be exceptionally robust, adopting organizational structures that minimize the impact of gene deletions and mutations. This could lead to improved understanding of how to design synthetic networks with similar robustness.
A Northwestern University study has discovered a new mechanism for cell fate determination in yeast cells, showing why mothers and daughters express genes differently. The researchers found that a protein regulator gets trapped in the daughter nucleus, turning on genes that make it distinct from the mother.
Carbon nanotubes' true mechanical properties have been measured by Northwestern University researchers using a novel nanoscale material testing system. The results match quantum mechanics predictions and reveal that irradiation can strengthen the structure by forming bonds between shells of the tube.
Researchers from Northwestern University have successfully mass-produced the 2008 Summer Olympics logo, 15,000 times, using a new printing technique called Polymer Pen Lithography (PPL). The PPL method allows for fast, inexpensive, and simple printing on nanometer, micrometer, and millimeter length scales.
A genetic trait linked to a 10-20 percent incidence in colorectal cancer patients significantly increases the risk of developing cancer to 50 percent if inherited, surpassing other known gene mutations.
Researchers found that dopamine strengthens the 'go' circuit and weakens the 'stop' circuit in the brain, leading to compulsive behavior and addictive tendencies. The study also shows how Parkinson's patients' reduced dopamine levels lead to frozen motor skills.
The study reveals that the formation of planetary systems was full of violence and drama, but our solar system required conditions to be just right. The researchers ran over 100 simulations, showing that an average planetary system's origin was dramatic, with planets being flung into space or crowded together.
Researchers at Northwestern University have developed a new camera technology that uses a curved surface to capture images, similar to the human eye. The technology, which has been published in Nature, has shown promising results in producing clearer and more detailed images than traditional cameras.
The research aims to understand the role of inorganic molecules, particularly zinc, in signaling events surrounding fertilization and early embryonic development. The team will use advanced microscopy and imaging technologies to track metal ion movement and develop new fluorescent sensors.
A new study from Northwestern University found that cancer patients treated at high-volume hospitals have more lymph nodes examined for cancer spread, leading to improved long-term outcomes. This increased nodal evaluation can accurately diagnose stage disease and predict patient prognosis.
A Northwestern University study found that more than three-quarters of patients don't fully comprehend their emergency department discharge instructions. Patients who fail to follow instructions may have a higher risk of complications after leaving the hospital, according to lead author Kirsten Engel.
A Northwestern University biomedical engineer has developed optical technology that can detect colon cancer early and is now being tested in large-scale clinical trials. The tests aim to predict the presence of colon cancer with adequate sensitivity, potentially leading to a routine screening test.
A Northwestern University study found that men are more likely to share their creative work online than women, with almost two-thirds of men reporting online sharing compared to half of women. The disparity persists even when controlling for digital literacy and Web know-how, suggesting that internet access is not an equal playing field.
Researchers are studying the architecture and behavior of ovaries to find new treatments for fertility disease and age-related infertility. A new imaging device, resembling a tiny drum, is being developed to measure ovary rigidity and understand symptoms of polycystic ovary syndrome.
Transistors made with new material SAND prove resistant to radiation, a crucial factor for long space missions. The devices could also enable new technologies like printable electronics and transparent displays.
Researchers at Northwestern University and Princeton University created a new kind of polymer that incorporates functionalized, exfoliated graphene sheets, exhibiting extraordinary thermal and mechanical properties. The polymer's electroconductivity is also being studied to create optically transparent conducting polymers.
Researchers have doubled the efficiency of infrared lasers in the mid-infrared wavelength range, which could enable next-generation laser-based defense systems and commercial applications like trace chemical analysis and pollution monitoring. The advancements were achieved through improvements to material quality, design, and fabrication.
Regular skin self-exams can help couples detect melanoma earlier, increasing their chances of survival. Couples with strong bonds are more likely to perform these exams and support each other through the process.
A Northwestern University study has discovered that multicellular organisms respond to stress in an integrated manner, with two specialized neurons controlling the response of individual cells. This finding challenges the long-held assumption that cells within a multicellular organism respond individually to stress conditions.
Researchers at Northwestern University developed Ono, a unique software solution that allows users to efficiently identify nearby P2P clients. By using observations of Internet companies like Akamai, Ono improves transfer speeds for both ISPs and P2P users.
A new Northwestern University study found people in African American communities on Chicago's South and West Side have a five times higher rate of lower limb amputations than predominantly white suburbs. The high rate is linked to lack of access to primary care, diabetes management programs, and specialty care.
Scientists at Northwestern University have demonstrated a fundamental component of quantum computing, utilizing entangled photons generated in optical fibers. The team successfully implemented a controlled-NOT gate, enabling two photonic qubits to interact, paving the way for more complex quantum computer architectures.
Researchers at Northwestern University have created semitransparent, highly conductive films from carbon nanotubes with improved conductivity and mechanical flexibility. These films mimic stained glass appearance and could lead to advancements in flat-panel displays, solar cells, and other energy-efficient technologies.
Researchers explore alternative materials for digital signal processing, including fungi, bacteria, and DNA, which can enhance images and compress data without electrical currents. The field holds promise for improved algorithms and applications in disease detection and data storage.
Researchers at Northwestern University have developed a nano-engineered gel that inhibits scar tissue formation and enables spinal cord fiber regeneration. This breakthrough allows mice with spinal cord injuries to walk again after six weeks, paving the way for potential human trials.
Research shows that individuals who are anxious about appearing prejudiced may avoid interactions with people of different races due to fear of social disapproval. A study by Jennifer Richeson and Sophie Trawalter found that white participants focused on neutral black faces for longer periods than white faces, suggesting a cognitive bi...
A new study from Northwestern University finds that positive feedback can actually escalate perceived threats to the ego and increase the need to prove a questionable decision was right. Research participants who received praise for skills unrelated to the decision were less likely to recommit to it.
Researchers at Northwestern University discovered that a single negative experience linked to an odor rapidly teaches us to identify and discriminate it from similar ones. The study found specific changes in brain regions enhancing perceptual sensitivity for smells with high biological relevance.
A Northwestern University team has developed a method to assemble polymer and small molecule into flexible but strong sacs that can grow human stem cells. The sacs have been shown to survive for weeks in culture, allow proteins to pass through the membrane, and even self-repair damaged membranes.