Add BrightSurf on Google Email

Rice University


Magnetic transistor could 'dial in' quantum effects

Physicists propose a nanoscale magnetic probe to study entanglement at a quantum critical point, potentially leading to breakthroughs in high-temperature superconductivity. The probe could provide controlled and tunable settings for studying quantum effects, including spin waves and electron tunneling.

SourceRice University·JournalProceedings of the National Academy of Sciences·DateDec 12, 2005

Mathematician's insight helps unravel knotty problem

Shelly Harvey's discovery applies to a longstanding problem within knot theory, but its significance lies in the broader context of topology. The underlying structure she uncovered uses algebraic structures to describe similarities and differences between knotted shapes, offering a new approach to proving equivalency.

SourceRice University·JournalGeometry & Topology·DateDec 5, 2005

Mathematicians get a handle on centuries old shape

A team of mathematicians from Rice, Stanford, and Indiana universities has provided the first proof since Jean Meusnier's study of soap films in 1785. The new shape, called genus one helicoid, is an infinitely twisted version of a fundamental simple shape with balanced properties.

SourceRice University·JournalProceedings of the National Academy of Sciences·DateOct 31, 2005

Out of sight, out of mind? Not necessarily

A study published in PNAS found that even when the primary visual cortex is temporarily shut down, the brain can still process visual information unconsciously. Researchers used transcranial magnetic stimulation (TMS) to induce temporary blindness in nine volunteers with normal vision.

SourceRice University·JournalProceedings of the National Academy of Sciences·DateOct 31, 2005

Modifications render carbon nanotubes nontoxic

Researchers at Rice University have developed a method to reduce the toxicity of water-soluble carbon nanotubes through surface modifications. The study found that even minor changes can dramatically decrease cytotoxicity, making these nanoparticles more suitable for medical diagnostics and imaging.

SourceRice University·JournalToxicology Letters·DateOct 26, 2005

Free-energy theory borne out in large-scale protein folding

A team of researchers from Rice University successfully combined computer modeling and experimental results in folding studies for a large, multi-domain protein using free-energy theory. The method worked remarkably well, allowing scientists to predict the folding route of proteins with unprecedented accuracy.

SourceRice University·JournalProceedings of the National Academy of Sciences·DateOct 3, 2005

Findings relate aspirin-induced ulcers, hearing loss

A study by Rice University researchers found that salicylate causes membranes to thin, soften, and rupture more easily, increasing the risk of hearing loss. The findings provide a mechanistic basis for the debilitating side effects of anti-inflammatory drugs like aspirin and ibuprofen.

SourceRice University·JournalBiophysical Journal·DateSep 19, 2005

Rice researchers gain new insight into nanoscale optics

Researchers at Rice University have discovered a simple geometry where light behaves exactly as electrons do in these systems. This finding has the potential to create nanoscale antennae that convert light into broadband electrical signals, increasing data transmission capabilities by 1 million times.

SourceRice University·JournalNano Letters·DateSep 14, 2005

Method slashes quantum dot costs by 80 percent

Researchers at Rice University have discovered a way to reduce the cost of producing quantum dots by 80% by replacing expensive solvents with cheap heat-transfer fluids. The new method uses mathematical modeling and experimentation to predict particle size and growth behavior based on solvent properties.

SourceRice University·JournalNanotechnology·DateSep 7, 2005

Fungus helps tall fescue choke out native plants

A recent study found that infected tall fescue grass outcompetes native plants more quickly when herbivores are present. The symbiotic fungus Neotyphodium coenophialum produces alkaloids that harm livestock, but also contributes to the spread of infected fescue.

SourceRice University·JournalProceedings of the National Academy of Sciences·DateAug 29, 2005

'Smart' nanoprobes light up disease

Researchers at Rice University developed a new nanoprobe that uses quantum dots to visualize proteolytic activity in vivo, solving the problem of distinguishing between disease signals and background noise. The probes are activated by enzymes associated with specific diseases, allowing for early detection and monitoring.

SourceRice University·JournalBiochemical and Biophysical Research Communications·DateAug 1, 2005

M.D.-Ph.D. student wins Hertz fellowship

Gwen Hoben, a M.D.-Ph.D. student at Rice University, has won the highly competitive Hertz fellowship to pursue her research in tissue engineering. The award provides funding for tuition and fees, as well as a $28,000 stipend, giving her more flexibility to explore scientific questions.

Hamill Foundation funds innovation program at Rice

The Hamill Innovation Grant program supports high-risk, high-impact research at Rice University, aiming to develop new technologies and treatments for various diseases. Four inaugural awards will fund research in areas such as respiratory viruses, protein titin, glycosaminoglycans, and resveratrol biosynthesis.

Rice nanophotonics lab gets $3 million training grant

The Rice nanophotonics lab has been awarded a $3 million NSF grant to train graduate students in the emerging field of nano-optics. The program aims to create leaders with technical and professional skills needed for breakthroughs in advanced technologies, including biomedicine, environmental remediation, and homeland security.

Rice unveils 'green' microcapsule production method

The new process, developed by Michael Wong and his team, involves mixing polymer, salt, and tiny silica particles to create hollow spheres that can encapsulate drugs, flavor compounds, and other molecular cargo. The microcapsules have potential applications in drug delivery, medical imaging, and enzyme protection.

SourceRice University·JournalAdvanced Materials·DateMay 26, 2005

Rice, Iowa state biologists search for 'half-fusion'

Researchers at Rice University and Iowa State University discovered that hemifusion is an intermediate fusion state in biological systems, where the outer layer of the membrane mixes with the inner layer. This finding suggests that hemifusion may be the mechanism used by all living cells to facilitate membrane fusion.

SourceRice University·JournalNature Structural & Molecular Biology·DateMay 16, 2005

Obese shoppers more likely to experience discrimination

Research found that obese shoppers face subtle interpersonal discrimination in stores, with professionally dressed obese shoppers experiencing less discrimination than average-weight shoppers. The study suggests that by removing justifications for prejudice, manifestations of interpersonal discrimination can be curbed.

'Color-blind' method opens new doors in DNA sequencing

A new DNA sequencing method called pulsed multiline excitation (PME) uses four lasers to eliminate cross-talk between dyes, resulting in more precise sequence information. This technology could lower costs for high-throughput genetic scans and lead to rapid and inexpensive genome sequencing.

SourceRice University·JournalProceedings of the National Academy of Sciences·DateMar 29, 2005

Tiny particles could solve billion-dollar problem

Researchers at Rice University and Georgia Institute of Technology developed bimetallic nanoparticles that can break down TCE, a toxic organic pollutant found in US groundwater. The particles increase the efficiency of TCE remediation by several orders of magnitude compared to bulk catalysts.

SourceRice University·JournalEnvironmental Science & Technology·DateFeb 23, 2005

Gendered age differences expected among Oscar nominees

Researcher Anne Lincoln found that female Academy Award nominees tend to begin their acting careers at a younger age than male nominees. By analyzing the average age of Oscar nominees from 1928-2001, she discovered historical trends suggesting women start earlier, which may explain the gendered age disparity between winners and nominees.

SourceRice University·JournalPsychological Reports·DateJan 21, 2005

Study shows nanoshells ideal as chemical nanosensors

Researchers at Rice University have discovered that nanoshells can amplify the Raman signature of molecules, allowing for the detection of as little as a few molecules of a target substance. The individual nanoshells act as independent Raman enhancers, creating opportunities for all-optical nanoscale sensors.

SourceRice University·JournalProceedings of the National Academy of Sciences·DateJan 11, 2005