In an advance that could help ease health and environmental concerns about the emerging nanotechnology industry, scientists are reporting development of technology for changing the behavior of nanoparticles in municipal sewage treatment plants — their main gateway into the environment.
Eric Shaqfeh studies blood at Stanford University, using computer models that simulate how the fluid and the cells it contains move around. On November 11 at a meeting of the scientific society AVS, he will present his latest unpublished findings from two studies. One shows how components in blood line up to prepare for healing; the other demonstrates the best shape to use for man-made nanoparticles that target cancers -- a surfboard.
Clarkson University researchers have developed a novel method of detection of cervical cancer cells using nonspecific adhesion of silica beads to cells.
Nanotechnologists and Biologists advance germination of seeds by adding carbon nanotubes in the growing medium, an enhancement with implications for plant-based biofuel production.
Carbon nanotubes are being considered for use in everything from sports equipment to medical applications, but a great deal remains unknown about whether these materials cause health problems. Now a new study from North Carolina State University shows inhaling these nanotubes can affect the outer lining of the lung.
Dr. Jeffery Volz, assistant professor of civil, architectural and environmental engineering at Missouri University of Science and Technology, and his team have received $567,000 to explore how adding carbon fibers could improve the blast and impact resistance of conventional reinforced concrete. The research is funded by the through a cooperative agreement with the Leonard Wood Institute.
To functionalize graphene with gold -- thus controlling its electronics properties -- engineers at Kansas State University embedded gold on graphene. Rather than distributing itself evenly over graphene, the gold formed islands on the sheets' surfaces. They named these islands snowflake-shaped gold nanostars.
Small bits of metal may play a new role in solar power. Researchers are experimenting with polymer semiconductors that absorb the sun’s energy and generate electricity. The goal: lighter, cheaper, and more-flexible solar cells.
Brain implants that can more clearly record signals from surrounding neurons in rats have been created at the University of Michigan. The findings could eventually lead to more effective treatment of neurological disorders such as Parkinson's disease and paralysis.
University of Michigan physicists have created the first atomic-scale maps of quantum dots, a major step toward the goal of producing "designer dots" that can be tailored for specific applications.
University of Michigan nanotechnology scientists have developed a combination drug that promises a safer, more precise way for medics and fellow soldiers in battle to give a fallen soldier both morphine and a drug that limits morphine’s dangerous side effects. The scientists will devise ultra-small polymer particles capable of carrying the drugs into the body.
From household appliances to prescription drugs, nanotechnology will have an impact on everyday lives. Nanotechnology is the science and technology of the production and manipulation of materials at nanoscale levels of approximately 100 nanometers or smaller. A new paper in the October 2009 issue of Comprehensive Reviews in Food Science and Food Safety, published by the Institute of Food Technologists, discusses the emerging challenges and potential solutions generated by nanotechnology.
A research team at NIST studying sugar-coated nanoparticles for use as a possible cancer therapy has uncovered a delicate balancing act that makes the particles more effective than conventional thinking says they should be. Just like individuals in a crowd respecting other people's personal space, the particles work because they get close together, but not too close.
NIST has issued a new ruler, and even for an organization that routinely deals in superlatives, it sets some records. Designed to be the most accurate commercially available 'meter stick' for the nano world, the new measuring tool boasts uncertainties below a femtometer. That's 0.000 000 000 000 001 meter, or roughly the size of a neutron.
Diamonds, it has long been said, are a girl's best friend. But a research team including a physicist from NIST has recently found that the gems might turn out to be a patient's best friend as well.
Inventing a useful new tool for creating chemical reactions between single molecules, scientists at NIST have employed microfluidics to make microdroplets that each contain single molecules of interest. By combining this new microfluidic with techniques to merge multiple droplets, the research may ultimately lead to new information on the structure and function of important organic materials such as proteins, enzymes, and DNA.
Three years ago, theoretical work of a UNL research group predicted a new effect that could revolutionize the field of microelectronics by allowing faster, smaller and more energy-efficient memory devices. Now that theory has been proven.
Carmen Lilley, assistant professor of electrical and computer engineering, has won an NSF CAREER Award which will assist her in developing new procedures to ensure that microscopic wires used in nano-scale devices are electrically stable.
Publishing in the journal Nature Materials, researchers report measuring different friction forces when a carbon nanotube slides along its axis compared to when it slides perpendicular to its axis. The observation could provide a new tool for assembling and sorting nanotubes.
Treating second-degree burns with a nanoemulsion lotion sharply curbs bacterial growth and reduces inflammation that otherwise can jeopardize recovery, University of Michigan scientists have shown in laboratory studies. The results are reported today at the Interscience Conference for Antimicrobial Agents and Chemotherapy.
Using a carbon nanotube instead of traditional silicon, Cornell researchers have created the basic elements of a solar cell that hopefully will lead to much more efficient ways of converting light to electricity than now used in calculators and on rooftops.
A University of Arkansas for Medical Sciences (UAMS) researcher on the cutting edge of nanotechnology has been awarded $2.3 million in three grants to further groundbreaking developments in the prevention of lethal cancer metastasis and take his team’s findings to the first clinical trial of its kind.
Research reported in the September issue of the journal Nature Nanotechnology finds that nanoscience and nanotechnology are highly multidisciplinary – but not much more so than other modern disciplines such as medicine or electrical engineering that also draw on multiple areas of science and technology.
An international team of researchers has designed a new graphite-based, magnetic nano-material that acts as a semiconductor and could help material scientists create the next generation of electronic devices like microchips.
Northeastern University’s Nanoscale Science and Engineering Research Center for High-rate Nanomanufacturing (CHN) has received a $12.25 million renewal grant from the National Science Foundation to continue its industry-leading research: translating nanoscale scientific processes into commercially viable technologies.
Johns Hopkins engineers are using a popular children’s toy to visualize the behavior of particles, cells and molecules in environments too small to see with the naked eye. These researchers are arranging little LEGO pieces shaped like pegs to re-create microscopic activity taking place inside lab-on-a-chip devices at a scale they can more easily observe.
Biomedical researchers at the University of Arkansas and University of Arkansas for Medical Sciences in Little Rock have developed a special contrast-imaging agent that is capable of molecular mapping of lymphatic endothelial cells and detecting cancer metastasis in sentinel lymph nodes. The new material could be used as a more efficient and less toxic alternative to nanoparticles and fluorescent labels used in the non-invasive, targeted molecular detection of normal cells, such as immune-related cells, and abnormal cells, such as cancer cells and bacteria.
Researchers at Wake Forest University School of Medicine have destroyed prostate cancer tumors in mice by injecting them with specially-coated, miniscule carbon tubes and then superheating the tubes with a brief zap of a laser.
Using thin films of silk as templates, researchers have incorporated inorganic nanoparticles that join with the silk to form strong and flexible composite structures that have unusual optical and mechanical properties.
Using tiny crystals called quantum dots, Johns Hopkins researchers have developed a highly sensitive test to look for DNA attachments that often are early warning signs of cancer.
As a result of a major inter-laboratory study co-managed by NIST and the National Cancer Institute, the standards body ASTM International has been able to update its guidelines for a commonly used technique for measuring the size of nanoparticles in solutions.
Growing "“ and precisely aligning "“ microscopic, spear-shaped zinc oxide crystals on a surface of single-crystal silicon, researchers at Missouri University of Science and Technology may have developed a method to make more efficient solar cells.
A new material developed at the University of Virginia "“ an oxygen nanosensor that couples a light-emitting dye with a biopolymer "“ simplifies the imaging of oxygen-deficient regions of tumors. Such tumors are associated with increased cancer aggressiveness and are particularly difficult to treat.
The Burnham Institute for Medical Research and the University of California, Santa Barbara have named leading biomedical researcher Jamey D. Marth director of a new joint Center for Nanomedicine that will be established at UCSB.
UCLA researchers have developed technology to perform more than a thousand chemical reactions at once on a stamp-size, PC-controlled microchip, which could accelerate the identification of potential drug candidates for treating diseases like cancer.
A group of researchers at Johns Hopkins University has designed nanoparticles that can carry cancer-treating radioisotopes through the body and deliver them selectively to tumors. Today in Anaheim, CA, they will report the latest results of their research, including studies in animal models, at the 51st meeting of the American Association of Physicists in Medicine (AAPM).
The tubes that power X-ray machines are shrinking, improving the clarity and detail of their Superman-like vision. A team of nanomaterial scientists, medical physicists, and cancer biologists at the University of North Carolina has developed new lower-cost X-ray tubes packed with sharp-tipped carbon nanotubes for cancer research and treatment.
For the first time researchers have combined nanoparticles used for medical imaging and therapy in a single tiny package.
Canada's National Institute for Nanotechnology will soon be home to a new electron microscopy research and product development centre. The Hitachi Electron Microscopy Products Development Centre (HEMiC) at the National Institute for Nanotechnology (NINT) in Edmonton Alberta is a $14 million project supported the Canadian and Alberta governments, the University of Alberta and Hitachi High Technologies Inc.
A new statistical analysis technique that identifies and removes systematic bias, noise and equipment-based artifacts from experimental data could lead to more precise and reliable measurement of nanomaterials and nanostructures likely to have future industrial applications.
To stretch a supply of salt generally means using it sparingly. But researchers from Sandia National Laboratories and the University of Pittsburgh were startled when they found they had made the solid actually physically stretch.
Electronic devices of the future could be smaller, faster, more powerful and consume less energy because of a discovery by researchers at the Department of Energy's Oak Ridge National Laboratory.
Researchers at the University of Chicago have developed an "electronic glue" that could accelerate advances in semiconductor-based technologies, including solar cells and thermoelectric devices that convert sun light and waste heat, respectively, into useful electrical energy.
Vanderbilt physicists have found a way to make nanoparticle films without additives that don't disintegrate at the slightest touch.
By combining the art of origami with nanotechnology, Dana-Farber Cancer Institute researchers have folded sheets of DNA into multilayered objects with dimensions thousands of times smaller than the thickness of a human hair. These tiny structures could be forerunners of custom-made biomedical nanodevices that would deliver drugs directly into patients' cells.
Collaboration between scientists at medical school and nearby metropolitan campus in Arkansas detected, tracked and killed cancer cells in real time in living system with carbon nanotubes.
The U.S. military can now calibrate high-power laser systems, such as those intended to defuse unexploded mines, more quickly and easily thanks to a novel nanotube-coated power measurement device developed at NIST.
Researchers at the University of Illinois have developed a membrane-penetrating nanoneedle for the targeted delivery of one or more molecules into the cytoplasm or the nucleus of living cells. In addition to ferrying tiny amounts of cargo, the nanoneedle can also be used as an electrochemical probe and as an optical biosensor.
Researchers at Sandia National Laboratories have created the first carbon nanotube device that can detect the entire visible spectrum of light, a feat that could soon allow scientists to probe single molecule transformations, study how those molecules respond to light, observe how the molecules change shapes, and understand other fundamental interactions between molecules and nanotubes.
Three years after breaking ground, Georgia Tech is set to dedicate the Marcus Nanotechnology Building, one of the most ambitious and expensive projects in the Institute's history. The ceremony will be held on Friday, April 24, at 3 p.m. The 190,000-square-foot complex poises Georgia Tech to be a global hub for nanotechnology research and development while igniting an environment that could potentially transform both local and state economies.
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