Purdue University researchers have demonstrated the effectiveness of real-time hybrid simulations for testing magnetorheological-fluid dampers, which can reduce structural damage during earthquakes. The simulations allow for reliable and efficient testing of these devices, enabling the optimization of building design and construction.
Researchers have developed a concept to improve cancer drug delivery using nanoparticles that concentrate and expand in acidic environments. The concept involves using nanoparticles made of weak polybases that expand when transported into environments mimicking tumor cells, accumulating long enough to deliver anticancer drugs.
Researchers have developed a non-invasive method to detect acrolein levels in people with spinal cord injuries and multiple sclerosis, offering potential relief from symptoms. The test measures N-acetyl-S-3-Hydroxypropylcysteine, a metabolite of acrolein, which is stable in urine.
Purdue researchers achieve significant improvement in temporal cloaking, enabling 46% of data transmission to be encrypted. This technology could enhance telecommunications security and find applications in military, homeland security, or law enforcement.
A Purdue University-led team has mapped the location and development of mass concentrations, or mascons, on the lunar surface, resolving a decades-long mystery. The findings provide valuable insights into the moon's origin and evolution and will aid in navigating future lunar missions.
Researchers at Purdue University have created a new type of transparent electrode that combines graphene and silver nanowires to overcome the drawbacks of traditional materials like indium tin oxide. The hybrid material has a low sheet resistance and remains flexible even when bent, making it suitable for applications such as solar cel...
Researchers at Purdue University have developed a new technique to detect flaws in lithium-ion batteries during manufacturing, including uneven coating and thickness variations. The 'flash thermography measurement' method uses heat and thermal imaging to quickly identify defects, which can impact battery life and reliability.
Researchers at Purdue University have developed a new super-resolution optical microscopy technique that can image synthetic nanostructures and molecules without the need for fluorescent dyes. The technique, called saturated transient absorption microscopy (STAM), uses a trio of laser beams to selectively illuminate molecules, allowing...
Researchers have developed a new way to learn how good cells go bad by studying the mechanical and biochemical behavior of cells simultaneously. This technology combines atomic force microscopy and nuclear magnetic resonance, allowing for detailed insights into disease processes.
Researchers have created a new type of semiconductor technology based on two-dimensional nanocrystals, which can be used to create smaller transistors. The material has a bandgap, allowing it to switch on and off, making it suitable for digital transistors.
Researchers have discovered that rising temperature induces key changes in the dengue virus when it enters its human host, leading to a new approach for designing vaccines against the aggressive mosquito-borne pathogen. The study found that the virus's bumpy form is more efficient at infecting mammalian cells.
A new study by Purdue University researchers shows that clean-air regulations have reduced acid rain in the US, Europe, and Japan over the past 30 years, but the opposite is true in fast-growing East Asian megacities due to lax antipollution rules or lack of enforcement. The effects of acid rain can propagate through aquatic ecosystems...
The study reveals the precise structure of the mosquito-transmitted chikungunya virus pathogen bound to antibodies, showing how infection is likely neutralized. Antibodies stabilize the viral surface, hindering fusion and blocking infection. The findings could lead to effective vaccines against the infection.
Researchers have developed antiviral drugs for other enteroviruses that cause the common cold. The new work obtained a near-atomic-scale resolution three-dimensional structure of enterovirus 71 binding with an inhibitor called WIN 51711. This study provides a structural basis for development of antienterovirus 71 capsid-binding drugs.
Researchers have developed metasurfaces that can manipulate and control light, enabling new optical technologies with applications in solar cells, computers, and telecommunications. The technology uses metamaterials to harness surface plasmons and reduce the size of photons, promising breakthroughs in nanophotonic devices.
Researchers at Purdue University have developed a theoretical framework to control dendrite growth in lithium-ion batteries, which can cause internal shorts and fires. The new approach could lead to faster charging times and improved safety.
A multi-university team, led by Ronald Riggs, conducted research to analyze the impact of cargo containers on buildings during tsunamis. They found that water does not significantly increase the load when a container strikes a building, and the weight of contents also doesn't matter much.
Researchers at Purdue University have developed a new modeling approach, MBIR, which reduces radiation exposure in medical CT scanners by 78% while improving image clarity. This technology also enables the focus of images after capture in consumer electronics.
A new tool has been developed to help brain surgeons diagnose cancer and detect tumor boundaries more accurately. The tool uses mass spectrometry analysis to analyze brain tissue and produces a color-coded image revealing the nature and concentration of tumor cells.
Researchers developed a system using depth-sensing cameras and algorithms to recognize hand gestures as commands for medical image manipulation. The system reduced false positives from 20.8% to 2.3% and achieved a mean accuracy of 93%, improving surgery efficiency and reducing infection risk.
Researchers have developed a new technology that uses laser and electric fields to create mini-centrifuge-like whirlpools to isolate microorganisms based on size. This technology has the potential to revolutionize lab-on-a-chip applications, including medical diagnostics and pharmaceutical manufacturing.
Researchers have created a new type of transistor called the '4-D' transistor, made from indium-gallium-arsenide material. The three nanowires in the device allow for faster and more efficient operation, enabling the development of lighter laptops with reduced heat generation.
Researchers found that as oil chains lengthened, the transformation occurred at lower temperatures. The team used Raman scattering and multivariate curve resolution to analyze water's subtle changes, finding a new structure when interacting with long-chain oils.
Scientists have developed a new 'smart material' made from Scotch tape that can change shape in response to humidity and collect water samples. The innovation uses laser-machined fingers to capture droplets of water, making it ideal for environmental testing.
The new system uses the Microsoft Kinect camera to track hand movements and detect unique traits, allowing for efficient recognition of individual users. Researchers tested the concept in two user studies, achieving accuracy rates of up to 98%, paving the way for applications such as virtual design studios and interactive appliances.
Researchers at Purdue University have developed a program that automatically imparts strength to objects created using 3-D printing. The tool identifies problematic areas and applies solutions such as increasing thickness or adding struts, resulting in significant cost and weight savings.
Scientists observe bumps, folds, vortex-like features, and cracks on the metal surface as it slides, revealing a surprising fluidlike behavior at room temperature. The findings could lead to improved durability of metal parts and better understanding of material behavior.
Researchers have created a new type of miniature pump activated by body heat that could be used in drug-delivery patches powered by fermentation. The micropump utilizes temperature-dependent gas generation through yeast fermentation to push against a membrane, pumping for several hours.
Researchers at Purdue University found that hearing impairment causes the inner ear's neurons to work harder in noisy environments. The study used chinchillas to measure physiological markers and confirmed a decrease in temporal coding of sounds with background noise.
Nanoresonators, created by Purdue researchers, have the potential to improve cell phone performance by reducing congestion over the airwaves. The devices can filter out noise and allow signals to pass through more precisely, resulting in better call quality and faster downloads.
A new method, called laser shock-induced shaping, enables the tuning of nanowires by altering electrical and optoelectrical properties critical for electronic components and instruments. Graphene was also successfully shaped using this technique.
Researchers have developed a non-invasive biosensor that can detect minute concentrations of glucose in saliva, tears, and urine, with the potential to reduce the frequency of pinprick testing for diabetes. The sensor uses graphene nanosheets and platinum nanoparticles, enabling it to distinguish between glucose and other compounds.
Researchers have discovered a new method to predict solar flares by measuring gamma radiation emitted when atoms decay. The system could provide up to 2-day advance warning, allowing operators to minimize impact and astronauts to shield themselves from lethal radiation.
A Purdue University student's research on zebrafish eye development may help understand vision problems affecting billions worldwide. The study found an enzyme's role in regulating eye size, which could be relevant to human vision issues.
Researchers at Purdue University found that early weaning can help maintain gains and improve meat quality when fed distillers dried grains with solubles (DDGS). Cattle fed DDGS diets showed a 2.5% decrease in carcass weight but maintained average daily gain and intake.
A new study from Purdue University found that children who were frequently abused by their parents are more likely to develop cancer in adulthood. The researchers also discovered that the link between abuse and cancer is stronger when fathers abuse sons and mothers abuse daughters.
A Purdue University study found that soil microbes can affect how glyphosate affects plants, potentially making resistant weeds more resistant to disease pressure. This discovery challenges existing understanding of glyphosate resistance and highlights the importance of considering soil microbes in weed management.
A study by Purdue University researchers reveals that hornworm caterpillars adapt to increase the efficiency of converting food into energy when threatened by predators. They also increase nitrogen extraction and lipid content. However, this adaptation comes at a cost in later developmental stages.
Researchers argue that adopting molecular phenotyping techniques like ionomics and genome-wide association mapping could broaden our understanding of complex interactions in plants. This knowledge could lead to more efficient crop improvement strategies, particularly for adapting to changing environmental conditions.
A Purdue University study found that monounsaturated fat-rich dressings promote equivalent carotenoid absorption at low and high levels of fat. In contrast, saturated fat dressings required higher amounts of fat for the same benefit, while polyunsaturated fat dressings were highly dependent on dose.
Researchers at Purdue University have proposed a method to detect 'no-sleep energy bugs' that can completely drain smartphone batteries. The bugs occur when apps continue to run background operations despite the phone being idle, consuming battery life.
A new rapid-cooling process can extend egg shelf life by up to 12 weeks, maintaining protein quality and preventing bacterial invasion. The technology uses liquid carbon dioxide to cool eggs quickly, reducing the risk of salmonella illnesses.
Researchers at Purdue University and Lawrence Livermore National Laboratory have solved several problems hindering the use of ultra-precise simulations needed to certify nuclear weapons. The breakthrough enables the creation of supercomputers capable of performing exascale computing, a crucial step for national defense.
A new process creates high-energy biofuel from biomass, with potential to be economically viable when crude oil is around $100 per barrel. The method has significant advantages over traditional methods and could become even more economical with a federal carbon tax.
Scientists have developed a new type of nanostructured metamaterial that can dramatically change the properties of light, leading to potential breakthroughs in advanced solar cells and quantum computing. The metamaterial combines layers of silver and titanium oxide with tiny quantum dots, resulting in hyperbolic light behavior.
Researchers at Purdue University are working on a new type of bioactive coating for stents used to treat brain aneurisms, including those caused by head trauma from bomb blasts. The coating is designed to attract magnetized cells to repair blood vessels damaged in trauma, offering a regenerative approach to treating the condition.
Researchers have found that a Purdue-developed transgenic tomato allows more calcium to be free and mobile in tomato cells, significantly reducing the occurrence of blossom end rot. The study shows that up to 70% less blossom end rot occurs in Handa's transgenic tomatoes compared to non-engineered tomatoes
A new design method called Kaleidogami uses computational algorithms to create precisely folded structures, enabling the creation of morphing robotic mechanisms and shape-shifting sculptures. The method also has potential applications in architecture, such as designing vaulted ceilings and retractable roofs.
Researchers have created a highly sensitive biosensor that can detect biomolecules without the need for a reference electrode, enabling miniaturization and low-cost applications. The device has potential applications in personalized medicine and early cancer diagnosis.
Purdue researchers create new metamaterials by replacing traditional metals with aluminum-doped zinc oxide, offering improved performance and semiconductor compatibility. This breakthrough enables the development of ultra-powerful microscopes, advanced sensors, and more efficient solar collectors.