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Triple-mode transistors show potential

Triple-mode transistors based on graphene can switch between positive and negative carriers, providing opportunities not possible with traditional single-transistor architectures. This property enables the transistor to be used in various applications such as wireless and audio signaling schemes.

SourceRice University·JournalACS Nano·DateOct 13, 2010

Silicon strategy shows promise for batteries

Rice University scientists have created a new type of silicon anode that can store more than 10 times the amount of lithium as current graphite-based anodes. The breakthrough could lead to significant increases in battery performance and lifespan, making electric cars more efficient and cost-effective.

Grant advances quark-gluon plasma studies

The grant supports the lab's transition to analyzing data from a new detector, enabling researchers to identify 96% of subatomic particles in collisions. The project aims to study hot and dense matter, including its critical point, and understand the early state of the universe.

Hydrogen fuel for thought

Researchers at Rice University have discovered a class of material known as metallacarborane that could store hydrogen at or better than benchmarks set by the US Department of Energy. The material has the potential to meet DOE storage goals for hydrogen fuel, which could be used in cars, fuel cells, and industry.

SourceRice University·JournalJournal of the American Chemical Society·DateSep 30, 2010

CEO's fate in hands of external constituents

A study by Rice University found that investment analysts' negative stock recommendations increase the probability of CEO dismissal. The researchers analyzed panel data on S&P 500 companies from 2000 to 2005 and found a significant impact of downgrades on CEO turnover decisions.

SourceRice University·JournalStrategic Management Journal·DateSep 29, 2010

Nano antenna concentrates light

Researchers at Rice University have developed a nano antenna that can concentrate light by a factor of 1,000. By measuring the electrical current flowing between two gold tips separated by a nanoscale gap, they were able to determine the amplification of light intensity in the gap.

SourceRice University·JournalNature Nanotechnology·DateSep 20, 2010

Melding Wi-Fi with digital TV 'white space'

Rice University researchers are testing wireless communications technology that uses dormant broadcast television channels to deliver free, high-speed broadband Internet service. The new grant will allow the network to dynamically adapt its frequency usage and study how people interact with the new technology.

Silicon oxide circuits break barrier

Researchers at Rice University have developed the first two-terminal memory chips using only silicon, which can be easily adapted to nanoelectronic manufacturing techniques. The new technology features high on-off ratios, excellent endurance and fast switching times, making it suitable for military and NASA applications.

SourceRice University·JournalNano Letters·DateAug 31, 2010

Compact microscope a marvel

Rice University's compact fluorescence microscope, developed by Andrew Miller, has been shown to accurately diagnose tuberculosis in a trial with 98.4% accuracy. The portable device, costing $240, is comparable to expensive lab equipment and has the potential to improve early detection and treatment of TB in developing countries.

SourceRice University·JournalPLOS ONE·DateAug 4, 2010

'White graphene' to the rescue

Researchers have successfully produced sheets of hexagonal boron nitride (h-BN), a potential insulator to complement graphene's electronic properties. The material can be deposited and transferred to various substrates, opening up possibilities for its use in graphene-based electronics.

SourceRice University·JournalNano Letters·DateJul 29, 2010

Graphene oxide gets green

Rice University scientists have created an eco-friendly method for mass-producing graphene oxide, a crucial component in various industries. The new process uses common chemicals to produce the material, eliminating toxic gases and making it safer for large-scale production.

SourceRice University·JournalACS Nano·DateJul 22, 2010

Nanotubes pass acid test

Rice researchers have found a breakthrough solvent for carbon nanotubes, untangling long tubes and clearing the way for scalable methods to create strong, lightweight materials. The discovery brings the creation of a highly conductive quantum nanowire closer.

SourceRice University·JournalACS Nano·DateJul 14, 2010

Rice program takes on protein puzzle

Rice University researchers have developed a computer program that accurately simulates protein folding dramatically faster than previous methods. The new technique allows scientists to study the roots of diseases caused by proteins that fold incorrectly, which is crucial for understanding diseases such as Alzheimer's and cystic fibrosis.

SourceRice University·JournalThe Journal of Chemical Physics·DateJul 7, 2010

Off-the-shelf cancer detection

Rice University researchers developed a method to use an off-the-shelf digital camera to distinguish cancerous cells from healthy ones. The device uses fluorescent dyes and fiber-optic cables to capture images of tissues, allowing doctors to identify abnormal cells quickly and accurately.

SourceRice University·JournalPLOS ONE·DateJun 24, 2010

Timely technology sees tiny transitions

A new technique developed by Rice University researchers can detect the movement of single molecules over hours using plasmonic properties of nanoparticles. This method is label-free and permanent, enabling the tracking of molecular interactions at the single-molecule limit.

Rice wins $3.7 million for cancer research

Rice University researchers, led by John McDevitt, have been awarded $3.7 million to develop a cost-effective Bio-Nano-Chip that can detect early warning signs of disease. The technology has the potential to cut treatment time and costs, enabling emergency medical technicians to perform tests at home or in an ambulance.

Answer to saliva mystery has practical impact

A breakthrough discovery has explained why some fluids containing polymers form beads when stretched, providing a key for improving diverse industries such as ink-jet printing and drug dispensing. The study's findings highlight the importance of fluid inertia and relaxation time in bead formation.

SourceRice University·JournalNature Physics·DateJun 11, 2010

Liquid method: pure graphene production

Researchers have developed a liquid-based method to produce high-quality graphene, which could lead to novel carbon composites and more affordable touch screens. The new technique yields very pure material and has the potential to drive down costs in industries such as aerospace, automotive, and construction.

SourceRice University·JournalNature Nanotechnology·DateMay 30, 2010

Zeroing in on quantum effects

Physicists use iron oxychalcogenides to study Mott localization in undoped pnictide parent compounds, providing further evidence that these systems are on the verge of Mott localization. This proximity to Mott localization endows the system with strong quantum magnetic fluctuations.

SourceRice University·JournalPhysical Review Letters·DateMay 28, 2010

Optical Legos: Building nanoshell structures

Researchers have developed a way to use Rice University's light-activated nanoshells as building blocks for complex structures that can trap, store and bend light. These materials have unique optical properties, making them suitable for applications such as ultrasensitive biological and chemical sensors.

SourceRice University·JournalScience·DateMay 27, 2010

A Dicty mystery solved

Rice researchers found that starving cells in slime mold have an advantage, pushing those that eat into selfless sacrifice. The study reveals a surprising strategy for survival and reproduction in single-cell organisms.

SourceRice University·JournalBiology Letters·DateMay 27, 2010

Outstanding in their field effect

Researchers at Rice University have discovered thin films of nanotubes created with ink-jet printers can be used to make field-effect transistors. The technique allows for the creation of digital electronics on flexible substrates, with potential applications in raincoats and other devices.

SourceRice University·JournalACS Nano·DateMay 25, 2010

Graphane yields new potential

Researchers at Rice University have discovered a way to extract hydrogen atoms from graphane, creating spaces that resemble quantum dots. This breakthrough enables precise control over the semiconducting properties of quantum dots, with potential applications in advanced optics, single-molecule sensing, and nanoscale circuitry.

SourceRice University·JournalACS Nano·DateMay 25, 2010

HHMI renews grant for Rice's global health program

The Howard Hughes Medical Institute has renewed a four-year grant for Rice University's global health program, Beyond Traditional Borders (BTB), with a $1.2 million investment. BTB challenges students to design practical solutions to real-world problems in developing nations, resulting in over 10% of Rice undergraduates taking the cour...

Diplopedia a success at US Department of State

A new study by Rice University and the US Department of State's Office of eDiplomacy examines the five-year history of Diplopedia, a Wikipedia-style diplomacy Web 2.0 tool. The platform has grown to over 10,000 articles written by DOS employees, providing valuable information for desk officers and foreign service experts.

Nano parfait a treat for scientists

Scientists at Rice University have made a breakthrough in creating highly purified samples of carbon nanotube species using ultracentrifugation, a technique that can help enable the development of efficient nationwide electrical grids and critical applications in medicine and electronics.

SourceRice University·JournalNature Nanotechnology·DateMay 10, 2010

Stem cells: In search of a master controller

Researchers at Rice University and the University of Cambridge have created a computer model that accurately describes the behavior of three regulatory proteins in hematopoietic stem cells. The Scl-Gata2-Fli1 triad is thought to be the master-level regulator for these self-renewing cells, which produce new blood cells.

SourceRice University·JournalPLOS Computational Biology·DateMay 6, 2010

Nano-infused filters prove effective

Researchers at Rice University and their international colleagues created ultra-fine air filters using carbon nanotube membranes. These filters can remove up to 99% of particles smaller than a micron, outperforming traditional HEPA filters.

SourceRice University·JournalACS Nano·DateApr 26, 2010

Bizarre matter could find use in quantum computers

Physicists at Rice University and Princeton University have found that ultracold mixes of electrons can have 'topological' properties making them immune to information degradation in quantum computers. The discovery could pave the way for the development of fault-tolerant quantum computers.

SourceRice University·JournalPhysical Review Letters·DateApr 21, 2010

Chip checks for oral cancer

A pilot study found that a rice-developed nano-bio-chip is effective in detecting premalignancies with high sensitivity and specificity rates comparable to traditional tests. The minimally invasive technique could lead to earlier detection of oral cancer, resulting in higher survival rates.

SourceRice University·JournalCancer Prevention Research·DateApr 5, 2010