Researchers at Georgia Institute of Technology developed a new templated growth technique for fabricating nanometer-scale graphene devices. The method involves etching patterns into silicon carbide surfaces to direct graphene growth, resulting in smooth-edged nanoribbons with controlled widths.
The NIH has awarded $14.6M to Georgia Tech and Emory University to develop nanotechnology tools for detecting and treating atherosclerosis. The research aims to translate these technologies into clinical utility, including diagnosing cardiovascular disease from a blood sample and delivering targeted drug delivery.
A $1.5M NIH grant supports Manu Platt's project to develop models for identifying children at risk of stroke due to sickle cell disease. The goal is to create a mathematical model predicting stroke risk and allow for earlier intervention, improving treatment options.
Scientists at Georgia Tech have developed a technique to convert photons carrying quantum data to telecom wavelengths suitable for long-distance transmission on optical fiber. This innovation boosts quantum memory times, enabling the creation of a possible prototype system for secure information distribution over long distances.
Researchers develop electronic biosensing technology that can detect gene mutations indicative of cancer, potentially leading to faster and more accurate diagnoses. The new platform uses disposable arrays containing thousands of electronic sensors connected to powerful signal processing circuitry.
The study explores robot deception from a general perspective, with applications in military and search and rescue operations. Robots can use deception to hide and mislead enemies or calm panicking victims.
The researchers have developed a new class of electronic logic device using strain-gated transistors fabricated on a flexible polymer substrate, enabling logic operations powered by mechanical action. The devices can be combined to create self-powered, autonomous systems with memory, processing, and sensing capabilities.
Researchers will design vision, speech, and wearable sensor technologies to analyze child behavior. The goal is to identify children at risk for autism and other developmental delays, with the potential to improve treatment delivery and outcomes.
Researchers developed a titanium coating with protein 'flower bouquet' nanoclusters that strengthened implant attachment by 50% compared to standard coatings. The clusters improved bone growth around the implant, enhancing cell adhesion signals and promoting better integration of biomaterial implants into bone.
Researchers at Georgia Tech Research Institute developed a system to measure high-energy laser beam power and spatial energy distribution. The reusable target board and beam diagnostic system enables simultaneous measurement of power and energy distribution, optimizing lasers for national security.
Researchers find that increasing Antarctic sea ice extent is due to stabilization of the upper ocean by increased precipitation, which reduces melting from both above and below. Climate models predict faster melting in the future, leading to a potential decrease in sea ice extent.
The NSF-funded program aims to develop engineering methods for stem cell production, focusing on scalable and standardized approaches. The initiative will support 30 new Ph.D. students over five years, with plans for international collaborations.
Researchers at Georgia Institute of Technology are using ARPA-E funding to develop cost-effective techniques for removing large volumes of carbon dioxide from flue gases. They will use hollow-fiber composite membranes with nanoporous metal-organic framework materials to separate CO2, with the goal of achieving a 90% removal rate.
The new test uses mass spectrometry to analyze metabolites in a single drop of blood serum, accurately identifying women with ovarian cancer in all tested patients. Further testing will be conducted on 500 patients to confirm the results and explore its potential for detecting other types of cancers.
Researchers at Georgia Institute of Technology develop a system to excavate brain tumor cells by directing them away from their location in the brain to a gel-based 'sink' where they can be removed or killed. The goal is to improve survival rates and reduce toxic effects of treatment for pediatric medulloblastomas.
The study found that energy states follow contours of constant electric potential, creating energy gaps within isolated patches on the surface. These gaps are due to a subtle interaction with the substrate, which consists of multilayer graphene grown on a silicon carbide wafer.
Researchers will focus on exploring chemical processes that enable the spontaneous formation of functional polymers, such as proteins and DNA. The five-year grant will support research in over 15 laboratories at top institutions, aiming to understand the chemistry behind life's origins.
Scientists have developed a novel method to deliver therapeutic molecules, proteins, and DNA directly into living cells using laser-activated nanoparticles. The technique, which uses bursts of near-infrared light to create tiny holes in cell membranes, shows promise for gene-based therapies.
Researchers replaced hydrogen with deuterium in fluorescent probes to increase stability and detect smaller concentrations of reactive oxygen species. The new probes showed improved detection ability and reduced degradation by air and light, making them more accurate for imaging and analysis.
A new vaccine-delivery patch using dissolving microneedles offers improved immunization against diseases like influenza. The patches simplify immunization programs by eliminating hypodermic needles and their disposal concerns.
Researchers have demonstrated a simple regeneration technique using waste steam, producing concentrated CO2 suitable for sequestration or other use. The study improves stability and efficiency of solid amine materials for high-volume industrial applications.
A laboratory study of microscopic organisms subjected to varying degrees of acoustic disturbance shows that competition can be a factor in regulating ecological communities regardless of the intensity or frequency of disturbance. The findings contradict the intermediate disturbance hypothesis, suggesting that there is a strong trade-of...
Scientists add ultraviolet light to model prebiotic reaction and discover guanine can be formed at lower temperatures than previously reported. The discovery suggests that starting life on Earth might not have been as difficult as thought.
A new study reveals that the chemical mediator for sexual reproduction in rotifers is progesterone, a molecule also found in humans and plays a vital role in regulating reproduction. The research has significant evolutionary implications and sheds light on how environment, metabolism, hormones, and behaviors interact.
Researchers have developed a one-step process to create nanowires and tune electronic properties of reduced graphene oxide, turning it into a conducting material. This breakthrough could lead to faster and more power-efficient electronics.
A new assay using gelatin zymography reliably detects mature cathepsin K, a key enzyme in osteoporosis, arthritis, and cancer metastasis. The technique outperforms existing methods, allowing for sensitive detection of small amounts of the enzyme.
The Georgia Institute of Technology releases Kamra, the first mobile open standards browser for augmented reality (AR), allowing users to overlay information from multiple website channels onto their phone. Future updates will support marker tracking, HTML5 video, and 3-D content.
Researchers at GTRI are designing, fabricating and testing planar ion traps to create large, interconnected trap arrays for a useful quantum computer. The team has used state-of-the-art simulations and genetic algorithms to design versatile traps capable of holding many ions.
Georgia Tech's Todd Sulchek receives Gates Foundation grant for innovative global health research project on multifunctional microparticles. The project aims to combat hard-to-treat diseases like malaria and tuberculosis by targeting microorganisms and activating the immune system.
Researchers discovered that adding proline and phenylalanine amino acids improves binding rates of synthetic fibrin knobs to holes, leading to a novel peptide mimic with 10-fold higher affinity. The study also identified structural properties contributing to functional knob-hole interactions.
Researchers found that common seaweed species in Pacific and Caribbean Oceans can kill corals using chemical means. The study suggests that the proliferation of seaweeds may prevent natural recovery from happening at all, especially for reefs damaged by human use or overfishing.
Dr. Fumin Zhang, a Georgia Tech Savannah professor, has received the 2010 Young Investigator Award from The Office of Naval Research for his research on unmanned robots and mobile sensor networks in oceanography and robotics/control engineering.
Researchers found differences in brain patterning as early as 48 hours after fertilization, before neurogenesis begins. They successfully altered the brain of a rock-dwelling fish embryo to resemble a sand-dwelling fish embryo using chemical manipulation.
Connect 2 Congress simplifies congressional voting records by analyzing Poole-Rosenthal scores, allowing users to track senator votes and examine party alignment. The system provides a graphical representation of Congress, enabling users to view changes in behavior over time.
Researchers found that Indians use mobile phones to transfer media files via Bluetooth for free, overcoming cumbersome processes, and even construct elaborate systems for entertainment content. The study suggests that motivation and not just usability barriers drive innovative uses of mobile phones in India.
A new study challenges existing knowledge about the kinetics of T cell receptors, finding that interactions with potent antigens are short-lived and occur rapidly. The research uses two techniques to analyze receptor-antigen interactions on cell surfaces, revealing a broader dynamic range than previous studies.
Researchers have developed self-powered nanometerscale sensing devices that can measure pH levels or detect ultraviolet light using electrical current generated from mechanical energy. The devices use improved nanogenerators with zinc oxide nanowires, enabling flexible and low-cost fabrication on various substrates.
A study identifies HuR as a critical regulator of an inflammatory response in cells experiencing mechanical and chemical stresses, promoting the expression of genes that support atherosclerosis. Reducing HuR levels inhibits the inflammatory response and may lead to new treatments for metabolic diseases associated with inflammation.
A new high-performance anode structure based on silicon-carbon nanocomposite materials has been developed, significantly improving the performance of lithium-ion batteries. The self-assembly technique creates rigid spheres with open internal channels that allow for rapid entry of lithium ions and accommodate expansion without cracking.
Researchers at Georgia Institute of Technology found that small molecules could act as 'molecular midwives' to help polymers form and select base pairs in DNA. They discovered ethidium assists short oligonucleotides in forming long polymers and can also select the structure of base pairs.
Researchers at Georgia Tech studied sea turtle hatchlings' movement on sand, revealing they adapt by digging into the ground with their flippers. The turtles can reach high speeds on both hard and loose sand, with their movements controlled by balancing speed with stability.
Researchers at Georgia Tech have designed a class of molecules with the right properties for all-optical signal processing. These materials could enable low-power, high-speed optical switching and computing, potentially transmitting data at speeds up to 2,000 gigabits-per-second.
The Emergent Behaviors of Integrated Cellular Systems (EBICS) Center will investigate the interactions of cell clusters and create biological modules that can be combined for different capabilities. The center aims to advance research and education, particularly in involving underrepresented groups.
Researchers used supercomputer calculations to analyze how metal contacts on graphene change its electron transport properties. The study provides new information on the effects of metal contacts and proposes quantitative models for describing these effects.
Researchers at Georgia Tech are testing a mobile phone system called EatWell to encourage healthy eating habits. The system uses audio stories to connect community members and promote peer support, with surprising results showing that participants felt a sense of community despite limited interaction.
Researchers at Georgia Institute of Technology have developed a system using gold nanoparticles that can kill cancer cells by targeting their nuclei, preventing cell division and inducing apoptosis. This breakthrough offers a promising treatment for cancers in areas inaccessible to traditional laser-based therapies.
Using hydrogels to deliver small interfering RNA (siRNA) into cancer cells has been shown to effectively target and kill them. The technique inhibits EGFR growth, increasing programmed cell death and enhancing the effects of traditional chemotherapy.
Researchers at Georgia Institute of Technology developed a single-step process to produce both n-type and p-type doping of large-area graphene surfaces. The technique uses commercially-available spin-on-glass material and electron-beam radiation, providing precise control over the amount of radiation applied.
Researchers at Georgia Tech have developed a potential new treatment against ovarian cancer using magnetic nanoparticles to attach to and remove cancer cells from the body. The technique has shown promising results in both mouse and human cancer samples.
Researchers measured the rate of destruction for sulfuryl fluoride, nitrogen trifluoride, and trifluoromethyl sulfur pentafluoride by reacting them with atomic oxygen. The results suggest that these compounds will remain in the atmosphere for long periods, potentially increasing global warming.