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Rice University


Rice U. physicists discover new type of quantum material

Researchers predict creation of 'Weyl-Kondo semimetal,' a quantum material with unique properties, and demonstrate its existence through modeling. The discovery has significant implications for understanding high-temperature superconductivity and strongly correlated materials.

SourceRice University·JournalProceedings of the National Academy of Sciences·DateDec 19, 2017

Particle size matters for porous building blocks

Rice University scientists found that porous particles of calcium and silicate show potential as building blocks for various applications. When assembled into micron-sized sheets and pellets, the arrays held up better under pressure, with bigger individual nanoparticles being 120% tougher than smaller ones.

SourceRice University·JournalACS Applied Materials & Interfaces·DateDec 18, 2017

Men gave more talks than women at top 50 universities in US

A new study found that male professors gave over twice as many talks as female professors at top 50 US universities during the 2013-2014 academic year. Despite equal levels of perceived importance and acceptance rates for speaking invitations, male speakers dominated departmental talks.

SourceRice University·JournalProceedings of the National Academy of Sciences·DateDec 18, 2017

MiNT protein a fresh target to attack disease

A team of researchers at Rice University has detailed the structure of MiNT protein, which balances forces in cells' mitochondria. This discovery could provide a new target to treat cancer, diabetes and other diseases by regulating iron and reactive oxygen species.

SourceRice University·JournalProceedings of the National Academy of Sciences·DateDec 18, 2017

Habitat counts when predators lurk

Researchers found individual prey had a roughly 40% likelihood of being consumed regardless of habitat complexity, but predators preferred certain prey in open environments. Habitat complexity dampened selection and equalized predation risk among active and sedentary prey.

SourceRice University·JournalEthology·DateDec 13, 2017

Wheat gets boost from purified nanotubes

Researchers at Rice University found that purified carbon nanotubes enhance wheatgrass growth by up to 13% in water solutions. However, contaminated particles can concentrate toxins and hinder plant development. The study highlights the need for understanding nanomaterials as part of a system rather than in isolation.

Nature's toughest substances decoded

Researchers decode interactions between materials and structures in nature-inspired composites like nacre and tooth enamel. The model reveals key factors influencing composite properties and provides insights into designing lightweight, multifunctional structural composites.

SourceRice University·JournalJournal of the Mechanics and Physics of Solids·DateDec 4, 2017

Helping hands guide robots as they learn

Researchers at Rice University have refined a method to train robots to collaborate with humans through gentle physical feedback. The approach allows robots to adjust their trajectory in real-time and learn from human interaction, enabling more efficient and effective collaboration.

SourceRice University·JournalIEEE Transactions on Robotics·DateDec 4, 2017

NEST360º's low-cost jaundice detector passes first test in Africa

A clinical study validated the effectiveness of NEST360°'s low-cost jaundice detector, BiliSpec, which accurately diagnoses bilirubin levels with comparable accuracy to expensive laboratory tests. The device's affordability could bring testing for jaundice within reach for cash-strapped hospitals in sub-Saharan Africa.

SourceRice University·JournalProceedings of the National Academy of Sciences·DateDec 4, 2017

Researchers advance technique to detect ovarian cancer

Researchers at Rice University and MD Anderson Cancer Center use fluorescent carbon nanotube probes to locate specific tumors in the body. The noninvasive technique achieved first in vivo success in detecting small concentrations of nanotubes inside rodents with high accuracy.

SourceRice University·JournalACS Applied Materials & Interfaces·DateNov 30, 2017

Borophene shines alone as 2-D plasmonic material

Researchers at Rice University have discovered that borophene, a two-dimensional boron material, can emit visible and near-infrared light by activating its plasmons. This property makes it a promising candidate for plasmonic and photonic devices such as biomolecule sensors, waveguides, nanoscale light harvesters, and nanoantennas.

SourceRice University·JournalJournal of the American Chemical Society·DateNov 20, 2017

Math gets real in strong, lightweight structures

Rice researchers successfully printed complex schwarzite structures with computer algorithms and 3-D printers, showcasing their strength, lightness, and durability. The discovery may lead to high-load-bearing components for buildings, cars, and aircraft, as well as nanoscale electronic devices and battery components.

SourceRice University·JournalAdvanced Materials·DateNov 16, 2017

Nanoshells could deliver more chemo with fewer side effects

Researchers at Rice University and Northwestern University have developed a method to use nanoshells to deliver high doses of cancer-killing drugs inside tumors. The approach uses laser-activated gold nanoparticles to release approved drugs in laboratory cultures, demonstrating clinical applicability.

SourceRice University·JournalProceedings of the National Academy of Sciences·DateNov 8, 2017

Dioxane-chomping microbe has helpful gene

Researchers at Rice University have discovered a novel gene cluster in Mycobacterium dioxanotrophicus PH-06 that expresses an enzyme capable of initiating dioxane biodegradation. This finding could lead to the development of a cost-effective tool for treating contaminated groundwater sites.

Wrinkles give heat a jolt in pillared graphene

Pillared graphene's thermal transport was found to be faster with wrinkles due to reduced phonon scattering. The optimal configuration involves three octagons instead of six heptagons, facilitating a smoother turn without significantly stressing the graphene.

SourceRice University·JournalACS Applied Materials & Interfaces·DateNov 2, 2017

Chromosome organization emerges from 1-D patterns

Using computer models, researchers analyzed epigenetic marks to predict how chromosomes fold in three dimensions. By training a neural network on these marks, they were able to identify the structural types of chromatin and validate their findings with additional data.

SourceRice University·JournalProceedings of the National Academy of Sciences·DateOct 31, 2017

Microscopic defects make batteries better

Researchers found that microscopic defects in electrodes enable lithium to hop inside the cathode along multiple directions, increasing reactive surface area and allowing for more efficient exchange of lithium ions. This discovery challenges traditional thinking on how electrode shape should be optimized for battery performance.

SourceRice University·JournalNature Communications·DateOct 30, 2017

Nanoscale platform aims to control protein levels

Rice University scientists invented a bifunctional recognition system called NanoDeg to target specific proteins and regulate their degradation. This plug-and-play system allows for precise control over protein expression levels, enabling the study of cellular dynamics and synthetic gene circuits.

SourceRice University·JournalACS Synthetic Biology·DateOct 30, 2017

Immigrants living in the country without authorization at risk for anxiety and depression

A new study by Rice University found that nearly a quarter of Mexican immigrants living near the California-Mexico border without legal authorization have a mental disorder, with major depressive disorder, panic disorder, and generalized anxiety disorder being the most prevalent. The study's findings highlight the need for culturally s...

SourceRice University·JournalJournal of Consulting and Clinical Psychology·DateOct 30, 2017

Nanotube fiber antennas as capable as copper

Researchers at Rice University developed nanotube fiber antennas that match the performance of traditional copper antennas but weigh significantly less. The flexible fibers offer practical advantages for aerospace and wearable electronics applications, where weight and flexibility are crucial factors.

SourceRice University·JournalApplied Physics Letters·DateOct 23, 2017

Disaster makes people with depression less healthy

Research from Rice University found that individuals with depressive symptoms before a disaster experience increased inflammation, a major risk factor for heart disease. The study tracked participants' health markers after the 2005 Texas City petrochemical refinery explosion and found a significant increase in inflammatory markers.

SourceRice University·JournalPsychosomatic Medicine·DateOct 23, 2017

Microfluidics probe 'cholesterol' of the oil industry

Researchers at Rice University have developed microfluidic devices to study the interaction between asphaltene and dispersants, revealing that smaller particles are more likely to stick together. The study found that dispersants can break down deposits by increasing repulsion between aggregates, creating softer asphaltenes.

SourceRice University·JournalEnergy & Fuels·DateOct 20, 2017

Discovery lights path for Alzheimer's research

Rice University researchers have identified a specific binding site on the amyloid beta peptide, which could facilitate the development of better drugs to treat Alzheimer's disease. The probe uses light activation to catalyze oxidation of the protein, preventing it from aggregating in the brains of patients.

SourceRice University·JournalChem·DateOct 19, 2017

Researchers find shifting relationship between flexibility, modularity in the brain

A new study by Rice University researchers reveals a strong negative correlation between the brain's flexibility and modularity, with highly modular brains showing low flexibility. The study presents a theoretical framework to explain this relationship, suggesting that flexibility and modularity tap into different cognitive processes.

SourceRice University·JournalFrontiers in Human Neuroscience·DateOct 19, 2017

Harvey runoff menaces Texas' coral reefs

A recent expedition to the Flower Garden Banks National Marine Sanctuary revealed a 10% drop in salinity levels due to Hurricane Harvey's floodwater plume. The team hopes to track the plume as it migrates through the Gulf, aiming to understand its impact on the reefs' health.

Rice's Laurence Yeung named 2017 Packard Fellow

Laurence Yeung, a geochemist at Rice University, has been awarded a 2017 Packard Fellowship to support his research on the atmospheric system. He plans to use the grant to take risks and explore new ideas in his field, including the development of a compact device for isotopic measurements.

Rice U. study: Vibrating nanoparticles interact

Rice University researchers have found that placing gold nanodisks into groups can selectively alter their vibrational frequencies, a discovery that could lead to new ways of converting light energy into mechanical energy. The study's findings show promise for applications in secure communications, sensing, and other fields.

SourceRice University·JournalProceedings of the National Academy of Sciences·DateOct 16, 2017

Spinning strands hint at folding dynamics

Researchers at Rice University have created a platform to study polymer folding dynamics using magnetic beads. The new method allows for the observation of complex behaviors, such as bending and coiling, in semiflexible fibers like actin and DNA.

SourceRice University·JournalPhysical Review Fluids·DateOct 16, 2017

Long nanotubes make strong fibers

Researchers at Rice University have advanced the art of making nanotube-based materials by characterizing and purifying long nanotube wires and films. The study found that longer nanotubes yield stronger and more conductive fibers, with an average tensile strength of 2.4 GPa and electrical conductivity of 8.5 megasiemens per meter.

SourceRice University·JournalACS Applied Materials & Interfaces·DateOct 16, 2017

Rice U. lab surprised by ultraflat magnets

Researchers at Rice University created ultraflat magnets with magnetic properties by adding rhenium to two-dimensional materials, expanding possibilities for spintronic devices. The discovery was made using chemical vapor deposition and doping techniques.

SourceRice University·JournalAdvanced Materials·DateOct 11, 2017

Nerve cells' gatekeepers take many forms

Scientists use single-molecule FRET imaging techniques to study the dynamics of NMDA receptor gates, which control chemical signals into electrical signals. The research reveals that these gates have multiple conformational interactions that improve or degrade signaling.

SourceRice University·JournalNature Chemical Biology·DateOct 9, 2017

New test opens path for better 2-D catalysts

Researchers at Rice University and Los Alamos National Laboratory have developed a technique to probe through tiny windows created by an electron beam and measure the catalytic activity of molybdenum disulfide, a two-dimensional material. The study found that most production of hydrogen is coming from the thin sheets' edges.

SourceRice University·JournalAdvanced Materials·DateOct 5, 2017

Kinesins ignore weak forces as they carry heavy loads

A Rice University-led study shows that kinesins ignore weak forces as they transport cargo in cells, with lead kinesins carrying 90% of the load. The research provides molecular-level details of how kinesins respond to external forces and confirms earlier experiments on team-based motor proteins.

SourceRice University·JournalProceedings of the National Academy of Sciences·DateOct 2, 2017

Asphalt helps lithium batteries charge faster

Rice University scientists have created a new anode material made from asphalt that shows exceptional stability and can bring lithium metal batteries from zero to full charge in just five minutes. The finding has significant implications for high-power density devices, including rapid charging capabilities.

SourceRice University·JournalACS Nano·DateOct 2, 2017

Filter may be a match for fracking water

Rice University scientists developed a superhydrophilic membrane that can remove more than 90% of hydrocarbons, bacteria, and particulates from contaminated fracking water. The filter keeps emulsified hydrocarbons from passing through, allowing for reuse and reducing the need for storage or transportation.

SourceRice University·JournalScientific Reports·DateSep 25, 2017