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Rice University


Graphene foam gets big and tough

Researchers at Rice University have developed a new material called rebar graphene, which can be shaped and has exceptional conductivity. The material supports over 3,000 times its own weight without deforming, making it suitable for various applications.

SourceRice University·JournalACS Applied Materials & Interfaces·DateFeb 14, 2017

Cell-tracking agents get a boost

Researchers at Rice University have developed a new compound of bismuth and carbon nanotubes that improves upon existing cell-tracking agents. The improved Bi4C@US-tubes show up strongly on X-rays taken with computed tomography (CT) scanners, allowing for more efficient tracking of stem cells in the body.

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

Beetles born on the edge make invasion faster

Researchers found that generations born on the leading edge of an invasion can push forward more than those born further back due to evolutionary advantages. This discovery has implications for agriculture and natural resource management as invasive species spread faster and farther.

SourceRice University·JournalNature Communications·DateJan 27, 2017

Antioxidants get small

Researchers at Rice University have created single-molecule compounds that quench damaging reactive oxygen species, offering a new basis for antioxidant therapies. The molecules, called PEG-PDI, are true mimics of superoxide dismutase enzymes and show promise for treating cancer, traumatic brain injuries, and chronic diseases.

SourceRice University·JournalACS Nano·DateJan 26, 2017

Boron atoms stretch out, gain new powers

Researchers at Rice University simulated one-dimensional boron materials, which exhibited mechanical stiffness comparable to the highest-performing nanomaterials. The new findings also revealed that these materials can act as constant-force springs and display unique electronic properties.

Treated carbon pulls radioactive elements from water

Researchers at Rice University and Kazan Federal University have found a way to extract radioactivity from water using oxidatively modified carbon (OMC) material. The OMC is highly efficient at absorbing radioactive metal cations, including cesium and strontium, making it a promising solution for purifying contaminated water.

SourceRice University·JournalCarbon·DateJan 19, 2017

Moving up the food chain can beat being on top

A new study from Rice University found that smaller, younger predators have a significant ecological impact on pond ecosystems. The research, which involved over 54 test ponds and thousands of hours of data analysis, showed that even the earliest stages of salamander development can lead to lasting changes in the environment.

SourceRice University·JournalNature Ecology & Evolution·DateJan 17, 2017

Theory lends transparency to how glass breaks

Researchers at Rice University have developed a new theory and computational methods to understand how metallic glasses behave under stress, revealing the formation of shear bands that can lead to breaking. The study provides valuable insights into improving the strength and durability of glass materials.

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

For chemicals, mega is out and bio is in

Researchers argue that waste methane can be turned into valuable chemicals through biomanufacturing, which could meet industry's needs and reduce environmental impact. By operating at smaller scales, biomanufacturing facilities can be closer to feedstocks and point of need, facilitating faster innovation.

SourceRice University·JournalScience·DateJan 9, 2017

Nano-chimneys can cool circuits

Researchers found that adding cone-like structures between graphene and nanotubes enhances heat dissipation by reducing the number of heptagons. This could lead to improved performance in next-generation nano-electronics.

SourceRice University·JournalThe Journal of Physical Chemistry C·DateJan 4, 2017

Rice U probes ways to turn cement's weakness to strength

Researchers at Rice University have made breakthroughs in understanding how concrete responds to stress at the atomic level. By studying the internal structure of tobermorite, they found that defects can lead to increased strength and toughness by allowing layers to glide past each other.

SourceRice University·JournalACS Applied Materials & Interfaces·DateJan 3, 2017

Heart valves strive to get oxygen one way or another

Rice University scientists studied physical and computer models of heart valves to learn how oxygen feeds them. The study revealed that aortic and mitral valves handle stress differently, with the former prompting angiogenesis and the latter transforming into cartilage-like tissue. Understanding these mechanisms can lead to new ways to...

SourceRice University·JournalInterface·DateDec 20, 2016

Carbon dots dash toward 'green' recycling role

Researchers at Rice University have discovered a simple way to recycle waste carbon dioxide into valuable fuel using nitrogen-doped graphene quantum dots. The dots proved nearly as efficient as copper in converting CO2 into small batches of ethylene and ethanol, with the ability to keep their catalytic activity for a long time.

SourceRice University·JournalNature Communications·DateDec 16, 2016

Rings around young star suggest planet formation in progress

Researchers have mapped gases in three dark rings around a distant star, indicating the presence of planets that are clearing dust and gas from the outer rings. However, one inner ring remains mysterious, with more carbon monoxide than expected, leaving scientists to investigate alternative explanations for its formation.

SourceRice University·JournalPhysical Review Letters·DateDec 12, 2016

Decoding cement's shape promises greener concrete

Rice University scientists have decoded the kinetic properties of cement and developed a way to 'program' microscopic particles to create less porous and more durable material. This technique may lead to stronger structures that require less concrete, reducing greenhouse gas emissions.

SourceRice University·JournalJournal of Materials Chemistry A·DateDec 7, 2016

'Bickering' flies make evolutionary point

Rice University biologist Julia Saltz found that fruit flies' genotypes and behaviors affect their social environments. In experiments, she observed that males in preferred groups were more aggressive than those in nonpreferred groups, while losing an encounter made them less aggressive.

SourceRice University·JournalHeredity·DateDec 1, 2016

New strategy may drop cancer's guard

Researchers at Rice University have discovered that a diabetes drug can halt the production of glycoproteins that make up the protective mucus lining cells, allowing immune cells to target tumors. The study suggests that reducing mucin levels may be enough to breach the tumor's protective shield and allow for cancer cell destruction.

SourceRice University·JournalJournal of Cellular Biochemistry·DateNov 30, 2016

Bumpy surfaces, graphene beat the heat in devices

Researchers at Rice University have developed a new way to dissipate heat in next-generation microelectronic devices by using bumpy surfaces with graphene. The interface between gallium nitride semiconductors and diamond heat sinks was improved, allowing phonons to disperse more efficiently. This improvement can lead to better reliabil...

SourceRice University·JournalACS Applied Materials & Interfaces·DateNov 29, 2016

'Freeze-frame' proteins show how cancer evolves

Researchers capture elusive DNA reaction intermediates in living cells, discovering mechanisms underlying genome instability and a new role for an E. coli protein related to human cancer proteins. This breakthrough could lead to the development of new drugs that prevent cancer by neutralizing these key pieces of genetic code.

SourceRice University·JournalScience Advances·DateNov 18, 2016

Molecular imaging hack makes cameras 'faster'

Rice chemist Christy Landes and her team have created a new microscopy technique called super temporal resolution microscopy (STReM), which captures images of molecules at a frame rate 20 times faster than typical lab cameras. This enhancement allows researchers to study fast processes without needing more expensive cameras, extracting...

SourceRice University·JournalThe Journal of Physical Chemistry Letters·DateNov 17, 2016

2-D material a brittle surprise

Researchers at Rice University discovered that molybdenum diselenide's tensile strength can be significantly reduced by flaws as small as one missing atom. The material's brittle nature may limit its use in next-generation technologies.

SourceRice University·JournalAdvanced Materials·DateNov 14, 2016

Hunt for Huntington's cause yields clues

Researchers found that the length of repeating polyglutamine sequences contained in proteins is critical to the onset of disease, with aggregation beginning only when chains reach 36 repeats. The study sheds light on how mutations and protein structure influence disease severity.

Light drives single-molecule nanoroadsters

Researchers at Rice University and the University of Graz successfully drove single-molecule nanoroadsters using light, demonstrating a new method for propulsion. The vehicles, made of 112 atoms, reached a top speed of 23 nanometers per hour and showed wavelength sensitivity.

SourceRice University·JournalACS Nano·DateNov 4, 2016

Model expands landscape for signaling protein mutations

A computational model helps biologists predict minimal mutations for efficient reprogramming of signaling proteins, expanding the landscape for two-component systems in bacteria. The model connects interaction specificity and promiscuity, enabling researchers to design novel interactions.

SourceRice University·JournalMolecular Biology and Evolution·DateOct 31, 2016

Hybrid nanostructures hold hydrogen well

Rice University scientists have discovered a new material that can store large amounts of hydrogen efficiently, making it suitable for next-generation green cars. The pillared boron nitride and graphene hybrid outperforms other materials in terms of surface area and recyclable properties.

SourceRice University·JournalLangmuir·DateOct 24, 2016

Smashing metallic cubes toughens them up

Rice University scientists fire micro-cubes at a target to rearrange their nanoscale structures, creating ultrastrong and tough materials. The technique, known as LIPIT, uses advanced laser-induced projectile impact testing to generate high pressure that far exceeds the material's strength.

SourceRice University·JournalScience·DateOct 20, 2016

Eating may trigger bacterial therapy

Researchers at Rice University have received a $2 million NIH grant to create a library of programmed bacteria that can produce therapeutic drugs on-site in response to dietary triggers. The project aims to advance the development of a biological control system for safely and effectively turning bacteria on and off.