Add BrightSurf on Google Email

Rice University


Breakthrough in industrial-scale nanotube processing

Researchers at Rice University have made a breakthrough in industrial-scale nanotube processing, creating a method to produce pure carbon-nanotube fibers that could lead to advances in materials science and nanoelectronics. The process uses chlorosulfonic acid as a solvent, enabling the efficient production of high-quality nanotubes.

SourceRice University·JournalNature Nanotechnology·DateNov 2, 2009

Rice U. lab leads hunt for new zeolites

A Rice University lab has discovered over 2.7 million possible structures for molecular sieves, also known as zeolites, which have potential applications in industries such as gasoline production and laundry detergents.

SourceRice University·JournalThe Journal of Physical Chemistry C·DateNov 2, 2009

Flu focus: NIH project aims for better drugs

Rice University scientists win grant to investigate flu virus's complex replication process and develop more effective antiviral drugs. The research will focus on understanding the assembly of viral RNA segments into a viable package, which is crucial for the virus to reproduce.

The state of America's leadership

A new comprehensive survey of White House Fellows, a group of over 600 prominent leaders, reveals significant differences between America's leadership cohort and the general public. The study found greater confidence in institutions like the Supreme Court and scientific community, but less confidence in education and organized labor.

In amoeba world, cheating doesn't pay

In a study published in Nature, researchers found that cooperative amoebas can evolve genetic defenses against cheaters, preserving collective behavior. The Dictyostelium discoideum mutants discovered by the Rice-Baylor team demonstrated a remarkable ability to resist cheater cells and maintain altruistic traits.

SourceRice University·JournalNature·DateOct 1, 2009

San Andreas affected by 2004 Sumatran quake

A 2004 Sumatran earthquake may have weakened a portion of California's San Andreas Fault, changing its fault strength and potentially triggering increased global seismic activity. The study, published in Nature, examined seismic records from Parkfield, Calif., and found repeated microearthquakes occurred near the fault

SourceRice University·JournalNature·DateSep 30, 2009

'Evolutionary forecasting' for drug resistance

Rice University biochemists are developing a system of 'evolutionary forecasting' to better understand the mechanisms of antibiotic resistance. By sequencing genomes and analyzing molecular changes, they hope to identify patterns and rules governing how bacteria evolve to become drug-resistant.

Graphitic memory techniques advance at Rice

Researchers simplify fabrication of nano storage, creating a potentially very dense, stable nonvolatile memory for digital devices. The graphite-based approach uses industry-standard lithographic techniques to deposit amorphous graphite onto silicon, facilitating the creation of reliable memory bits.

SourceRice University·JournalACS Nano·DateSep 9, 2009

Rice researchers seek better vaccine procedure

Rice University bioengineer Michael Deem has developed a technique to predict the efficacy of H1N1 vaccines by estimating antigenic distance between flu strains. This method assigns a numerical value to the similarity between epitope regions, allowing researchers to refine cell-based approaches and shorten vaccine production time.

Nostrils alternate to process competing odors

Researchers at Rice University found that when the nose is presented with two different smells, the brain processes them separately through each nostril in an alternating manner. This 'perceptual rivalry' in the olfactory system allows individuals to perceive one smell predominantly at a time, creating an 'olfactory illusion'.

SourceRice University·JournalCurrent Biology·DateAug 20, 2009

Rice tapped for role in computing research center

Rice University will lead a multi-university Center for Domain-Specific Computing with UCLA, Ohio State, and UC Santa Barbara to develop high-performance computing for medical imaging. The project aims to create energy-efficient, cost-effective solutions for preventive, diagnostic, and therapeutic procedures.

Protein folding: Diverse methods yield clues

Researchers compare two methods for studying protein folding: atomic force microscopy and chemical denaturant method. Both approaches reveal similarities in protein behavior, offering new insights into the forces that shape proteins.

SourceRice University·JournalThe Journal of Physical Chemistry·DateAug 6, 2009

Nanotubes take flight

Rice University chemist Bob Hauge's team creates bundles of SWNTs using a novel printing process, yielding a high yield of nanotubes. The process could lead to large-scale production of meter-long strands of nanotubes.

SourceRice University·JournalNano Research·DateJul 29, 2009

Video shows nanotube spins as it grows

The study provides the first experimental evidence of how individual carbon atoms are added to growing nanotubes. The rotation proceeds in discrete steps, resembling the halting motion of a mechanical clock's second hand, with approximately 24 steps per rotation.

SourceRice University·JournalNano Letters·DateJul 27, 2009

Fighting disease atom by atom

The study reveals the atomic structure of the hepatitis E protein shell, which could lead to new ways to stop the virus. Researchers have identified potential sites on the model for designing drugs that can interrupt the binding process and prevent the virus from attaching to cell receptors.

SourceRice University·JournalProceedings of the National Academy of Sciences·DateJul 21, 2009

New theory on why male, female lemurs same size

A new theory proposes that male lemurs deposit a solid plug in the female's reproductive tract to prevent rival males from mating, allowing them to focus on other females. This strategy is thought to be advantageous when females have short receptivity periods and are the same size as males.

SourceRice University·JournalEvolutionary Biology·DateJul 14, 2009

Global warming: Our best guess is likely wrong

A new study published in Nature Geoscience suggests that scientists' best predictions about global warming may be inaccurate. Researchers analyzed records from the Palaeocene-Eocene thermal maximum (PETM), a 55-million-year-old period of rapid global warming, and found that climate models can only explain half of the observed heating. ...

SourceRice University·JournalNature Geoscience·DateJul 14, 2009

SSPEED Center wins $1.25M for Ike study

The SSPEED Center will compile lessons learned from Hurricane Ike and provide recommendations on preparing for future storms. The project aims to improve methods for predicting storm impacts, evacuation planning, and land use development in vulnerable areas.

First 'nanorust' field test slated in Mexico

The first field test of Rice University's 'nanorust' technology, a low-cost method for removing arsenic from drinking water, will begin later this year in Guanajuato, Mexico. The technology uses tiny iron oxide particles to naturally bind with arsenic and can be used in sand filters to treat groundwater.

What goes down, must come up: Earth's leaky mantle

Researchers at Rice University and Harvard University developed a new model to explain how noble gases are lost from the Earth's interior during mantle convection. The model suggests that both the upper and lower mantle are involved in convection, but they affect each other differently.

SourceRice University·JournalNature·DateMay 27, 2009

International team tracks clues to HIV

A research team led by Andrew Barron at Rice University identified specific molecules that can block the spread of HIV-1 PR by attaching themselves to its binding pocket. They used computer simulations to narrow down a collection of fullerenes and found two promising candidates.

SourceRice University·JournalJournal of Chemical Information and Modeling·DateMay 19, 2009

Nanophysicists find unexpected magnetic effect

Researchers found that the last atom in a line of single-atom contacts behaves differently than expected, altering the defining properties of ferromagnetic metals. The Kondo effect is observed in these tiny contacts, contradicting conventional wisdom about metal behavior at the nanoscale.

SourceRice University·JournalNature·DateApr 29, 2009

Rice researchers unzip the future

Scientists at Rice University have found a way to produce ultrathin, electrically conductive nanoribbons using a room-temperature chemical process. These ribbons are made from graphene, the single-layer form of graphite, and exhibit remarkable strength and conductivity.

SourceRice University·JournalNature·DateApr 15, 2009

Rice fine-tunes attack on cancer

Rice University scientists have developed a method to optimize the attack on cancer cells using laser-nanoparticles. By adjusting the size and composition of nanoparticles, researchers can create more uniform temperature profiles within tumors.

SourceRice University·JournalInternational Journal of Heat and Mass Transfer·DateMar 25, 2009

Nanocups brim with potential

Researchers at Rice University have created a light-bending metamaterial using nanocups that can focus light from any direction. This material has potential applications in thermal solar power, superlenses, and invisibility cloaks.

SourceRice University·JournalNano Letters·DateMar 13, 2009

Physicists offer new theory for iron compounds

Researchers propose a theoretical framework to explain the complex quantum behavior of iron pnictides, a class of high-temperature superconductors. The theory predicts specific changes in electron-electron interactions and phase transitions, opening up new avenues for studying quantum criticality.

SourceRice University·JournalProceedings of the National Academy of Sciences·DateMar 12, 2009

Texas-sized tract of single-celled clones

A Rice University study has confirmed a world-record colony of amoebae clones measuring at least 12 meters across in a Texas cattle pasture. The discovery provides insights into the evolution of cooperative behavior in microorganisms like Dictyostelium discoideum.

SourceRice University·JournalMolecular Ecology·DateMar 11, 2009

Nanotubes find niche in electric switches

Researchers at Rice University and the University of Oulu discovered that carbon nanotube brush contacts can significantly reduce resistance in electrical commutators, leading to improved performance and reduced energy loss. The study found a 10-fold decrease in resistance compared to traditional copper-carbon composite brushes.

SourceRice University·JournalAdvanced Materials·DateMar 10, 2009

Rice psychologist explores perception of fear in human sweat

Research by Denise Chen reveals that human sweat contains emotional meanings, particularly in ambiguous situations, and modulates vision to detect fear. The study found that exposure to 'fearful' sweat biases women towards interpreting facial expressions as more fearful, especially when emotions are unclear.

SourceRice University·JournalPsychological Science·DateMar 6, 2009

Mountain on Mars may answer big question

Rice University researchers found that pockets of ancient water may still exist under Olympus Mons due to the presence of clay sediments. This could provide a habitable environment for thermophilic organisms, which thrive near geothermal vents on Earth.

SourceRice University·JournalGeology·DateMar 4, 2009

Mutant rats offer clues to medical mystery

Researchers at Rice University have discovered a genetic mutation in rats that links to cardiovascular disease, osteoporosis, and potentially Alzheimer's disease. The study found that the mutation also increases susceptibility to arterial calcification.

SourceRice University·JournalArtery Research·DateFeb 17, 2009

Padgett in National Engineers Week spotlight

Rice University Assistant Professor Jamie Padgett has been chosen as a 'New Face of Engineering', representing civil engineering, with research focused on identifying hazards to bridges and infrastructure. She aims to provide policymakers with tools for socially conscious infrastructure risk assessment and mitigation.

Image pinpoints all 5 million atoms in viral coat

Researchers at Rice University have created a precise image of a virus' protective coat, containing 5 million atoms. The image provides the clearest picture yet of the viruses' genome-encasing shell called a 'capsid', which could lead to new approaches for antiviral therapies and gene delivery.

SourceRice University·JournalProceedings of the National Academy of Sciences·DateFeb 16, 2009

Batteries get a boost at Rice

Researchers at Rice University have created hybrid carbon nanotube metal oxide arrays as electrode material that may improve the performance of lithium-ion batteries. The new design could lead to longer-lasting electric cars and gadgets, as well as enhanced capabilities for electrochemical capacitors and fuel cells.

SourceRice University·JournalNano Letters·DateFeb 9, 2009