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Nano-antioxidants prove their potential

Researchers have successfully tested nanoparticles that can quickly quench damaging superoxides, potentially protecting against further brain damage in traumatic injuries. The particles, known as PEG-HCCs, have shown an enormous capacity to neutralize thousands of reactive oxygen species molecules, restoring normal oxygen levels.

SourceRice University·JournalProceedings of the National Academy of Sciences·DateFeb 9, 2015

Worms lead way to test nanoparticle toxicity

A Rice University study uses the lowly roundworm to measure the effects of various nanoparticles on individual organisms and entire populations. The researchers found that five types of nanoparticles showed little to no toxicity, while others were moderately or highly toxic to the worm population.

Winding borders may enhance graphene

New research suggests that sinuous grain boundaries in graphene can relieve stress, resulting in enhanced mechanical strength and predictable electronic transport gaps. This discovery may lead to the development of polycrystalline graphene with precise misalignment of components, enabling the control of semiconducting characteristics.

SourceRice University·JournalAdvanced Functional Materials·DateFeb 2, 2015

Evidence mounts for quantum criticality theory

A new study by Rice University and international collaborators adds to the growing evidence for a theory that explains high-temperature superconductivity and heavy fermion physics through quantum fluctuations. The research observed a sharp Fermi surface reconstruction, consistent with theoretical predictions of unconventional quantum c...

SourceRice University·JournalProceedings of the National Academy of Sciences·DateJan 30, 2015

How cancer turns good cells to the dark side

A new study by Rice University researchers shows how cancer cells use 'jagged' proteins to hijack cell-signaling process and promote metastasis. The mechanism plays a crucial role in embryonic development and wound healing.

SourceRice University·JournalProceedings of the National Academy of Sciences·DateJan 26, 2015

Engineering self-assembling amyloid fibers

Scientists at UC Davis and Rice University have developed methods to manipulate natural proteins into amyloid fibrils with predictable heights. These self-assembling fibers show great toughness, withstanding boiling, digestive proteins, and ultraviolet radiation, making them suitable for tissue engineering and other applications.

The latest fashion: Graphene edges can be tailor-made

Researchers at Rice University have discovered a method to control the edge properties of graphene nanoribbons by manipulating the conditions under which they are pulled apart. This allows for the creation of semiconducting graphene with desirable electronic properties, opening up new possibilities for applications in modern electronics.

SourceRice University·JournalNanoscale·DateJan 23, 2015

Hydrogels deliver on blood-vessel growth

Researchers have created a new hydrogel that can be injected into wounds, forming scaffolds that help them heal quickly. The material promotes angiogenesis, the growth of blood vessels, which is essential for tissue repair and reduces the risk of complications.

SourceRice University·JournalACS Nano·DateJan 20, 2015

Atomic placement of elements counts for strong concrete

Researchers Rouzbeh Shahsavari and Saroosh Jalilvand found that atomic-level forces affect the mechanical properties of complex particle-based materials, such as concrete. They suggest new ways to fine-tune chemistry to make concrete less prone to cracking and more suitable for specific applications.

SourceRice University·JournalACS Applied Materials & Interfaces·DateJan 14, 2015

Laser-induced graphene 'super' for electronics

Researchers at Rice University have developed stacked, three-dimensional supercapacitors using laser-induced graphene, which show excellent energy-storage capacity and power potential. The devices can be scaled up for commercial applications and offer flexibility and scalability benefits.

SourceRice University·JournalACS Applied Materials & Interfaces·DateJan 14, 2015

GMOs with health benefits have a large market potential

Research from Ghent University demonstrates a high willingness of consumers to pay premiums for GMOs with health benefits, ranging from 20% to 70%. The study highlights the potential market share of these nutritionally improved crops in regions such as China and Brazil, where nutrient deficiencies are prevalent.

SourceGhent University·JournalNature Biotechnology·DateJan 13, 2015

Crush those clinkers while they're hot

Researchers at Rice University found that optimizing the process of turning clinkers into cement can save a significant amount of energy and reduce carbon dioxide emissions. By analyzing the crystal and atomic structures of clinkers, they identified areas where defects and internal stresses affect the grinding process.

SourceRice University·JournalACS Applied Materials & Interfaces·DateJan 13, 2015

Cheap asphalt provides 'green' carbon capture

Rice University researchers have developed a new carbon capture material that can hold 114% of its weight in carbon dioxide, capturing more than current methods. The material is made from inexpensive asphalt and can be reused multiple times without degrading.

SourceRice University·JournalACS Applied Materials & Interfaces·DateJan 7, 2015

Atom-thick CCD could capture images

Researchers at Rice University have developed a two-dimensional, light-sensitive material that can capture images. The material, copper indium selenide (CIS), is highly sensitive to light due to its slow-dissipating electrons, making it 10 times more efficient than previous materials.

SourceRice University·JournalNano Letters·DateDec 19, 2014

Rice study fuels hope for natural gas cars

Researchers at Rice University have identified 48 metal organic frameworks that outperform current materials in storing compressed natural gas. The discovery could lead to more efficient and environmentally friendly natural gas cars with lighter, more compact tanks.

SourceRice University·JournalThe Journal of Physical Chemistry C·DateDec 18, 2014

Scientists trace nanoparticles from plants to caterpillars

A Rice University study examines how nanoparticles move through the food chain, tracing uptake and accumulation in plant roots, leaves, and caterpillars. The research found significant variation in nanoparticle accumulation rates based on surface coating types, with negatively charged particles avoiding clumping altogether.

SourceRice University·JournalEnvironmental Science & Technology·DateDec 16, 2014

3-D maps reveal the genome's origami code

High-resolution 3D maps of the human genome reveal thousands of hidden switches that regulate genes, including those associated with cancer and diseases. The study provides a new understanding of genetic regulation and its role in cellular differentiation.

SourceRice University·JournalCell·DateDec 11, 2014

Defects are perfect in laser-induced graphene

The study finds that laser-induced graphene (LIG) has a unique structure with five- and seven-atom rings, which can store charges and make it suitable for supercapacitors. Researchers developed a scalable one-step process to create LIG in detailed patterns.

SourceRice University·JournalNature Communications·DateDec 10, 2014

Buckyballs enhance carbon capture

Researchers at Rice University have created an environmentally friendly compound that effectively captures carbon dioxide emissions from industrial flue gases and natural gas wells. The new material, combined with buckminsterfullerene molecules, achieves high selectivity and efficiency in capturing carbon dioxide while rejecting methane.

SourceRice University·JournalScientific Reports·DateDec 3, 2014

Microbullet hits confirm graphene's strength

Rice University scientists used a novel testing method to measure graphene's ability to absorb impact, finding it stretches before breaking. The technique, LIPIT, allows for rapid evaluation of nanoscale materials, with potential applications in body armor and spacecraft shielding.

SourceRice University·JournalScience·DateDec 1, 2014

Cell's skeleton is never still

Researchers developed computer models that match experimental results, explaining the dynamic processes behind essential cell components. Microtubule stability is crucial for cell survival, and the study provides new insights into how cells maintain or dismantle these structures.

SourceRice University·JournalThe Journal of Physical Chemistry B·DateNov 24, 2014

Graphene/nanotube hybrid benefits flexible solar cells

Rice University scientists have developed a novel cathode for dye-sensitized solar cells using graphene/nanotube hybrids, improving efficiency and reducing costs. The new material has a huge surface area, allowing for more efficient electron transfer and better contact with the electrolyte.

SourceRice University·JournalJournal of Materials Chemistry A·DateNov 17, 2014

Next for DARPA: 'Autocomplete' for programmers

A Rice University-led team is developing a sophisticated tool called PLINY to 'autocomplete' and 'autocorrect' code for programmers. The system will leverage big-data analytics and deep program analyses to populate a database of open-source code, providing programmers with help finishing or debugging code.

Ultracold disappearing act

In a new study published in Nature Physics, Rice University physicists observed ultracold atomic collisions producing gaps between colliding solitons. This phenomenon challenges the expected behavior of solitons, which are waves that do not diminish or change shape as they move through space.

SourceRice University·JournalNature Physics·DateNov 2, 2014

Decoding the emergence of metastatic cancer stem cells

Cancer cells use genetic circuits as a three-way switch to form both cancer stem cells and circulating tumor cells, leading to metastasis. Researchers found significant correspondence between the operation of these two switches, suggesting a mechanism that would confer 'stemness' on hybrid cancer cells.

SourceRice University·JournalInterface·DateOct 31, 2014

'Sticky' ends start synthetic collagen growth

Researchers at Rice University have made significant breakthroughs in the study of synthetic collagen fibers, demonstrating how they self-assemble through their sticky ends. The discovery could lead to improved synthetic collagens for tissue engineering and cosmetic medicine.

SourceRice University·JournalJournal of the American Chemical Society·DateOct 27, 2014

Rice team sets sights on better voting machine

A team of Rice University engineers and social scientists has developed a new electronic voting system that aims to be both secure and easy to use. The STAR (Secure, Transparent, Auditable and Reliable) system is designed to address the looming crisis facing elections officials nationwide as they replace aging voting systems.

Managers can boost creativity by 'empowering leadership' and earning employees' trust

Researchers found that empowering leaders can foster creativity in employees with high uncertainty avoidance and trust. Managers should focus on developing affect-based trust before empowering their team members. By establishing these conditions, managers can create an environment that encourages employee creativity.

SourceRice University·JournalOrganizational Behavior and Human Decision Processes·DateOct 8, 2014

Platinum meets its match in quantum dots from coal

Researchers developed a hybrid catalyst combining graphene quantum dots and graphene oxide, nitrogen, and boron, outperforming commercial platinum-based catalysts in fuel cells. The new material cuts the cost of generating energy with fuel cells, offering a promising solution to the expensive metal hurdle.

SourceRice University·JournalACS Nano·DateOct 1, 2014

Immune system is key ally in cyberwar against cancer

Researchers at Rice University have developed a new two-step strategy for weakening cancer by harnessing the power of the immune system. The study found that alternating cycles of radiation or chemotherapy with immune-boosting treatments can alter the balance between cancer and the immune system, ultimately bringing the cancer to a wea...

SourceRice University·JournalProceedings of the National Academy of Sciences·DateSep 23, 2014

Nanotubes help healing hearts keep the beat

Researchers at Rice University created patches infused with conductive single-walled carbon nanotubes to overcome limitations in current patches, which hinder the transfer of electrical signals between cardiomyocytes. The patches can serve as full-thickness repairs without inducing abnormal cardiac rhythms.

SourceRice University·JournalACS Nano·DateSep 23, 2014

Nanoribbon film keeps glass ice-free

Rice University scientists have developed a transparent coating for glass that can keep surfaces free of ice and fog while maintaining radio frequency transparency. The graphene nanoribbon film, refined for consistency, retains its heat-conductive properties when applied to glass or plastic surfaces.

SourceRice University·JournalACS Applied Materials & Interfaces·DateSep 16, 2014

'Squid skin' metamaterials project yields vivid color display

The Rice University lab has developed an RGB color display technology using aluminum nanorods, creating vivid red, blue and green hues comparable to high-definition LCD displays. The technology uses plasmonic aluminum nanorods in ordered arrays to produce dozens of colors, including rich tones.

SourceRice University·JournalProceedings of the National Academy of Sciences·DateSep 15, 2014

Rice rolls 'neat' nanotube fibers

Researchers at Rice University have successfully created strong conductive carbon threads using single-walled carbon nanotubes. By infusing the nanotubes with potassium and employing cage-like crown ethers, they were able to align the tubes and create a gel that could be extruded into fibers.

SourceRice University·JournalACS Nano·DateSep 15, 2014

Cloud-computing revolution applies to evolution

Rice University computer scientists have developed cloud-computing tools to help analyze evolutionary patterns. The new open-source algorithms will enable researchers to track the evolution of genes and genomes across species more efficiently, making it possible to trace genes at scales that were not practical before.

Phosphorus a promising semiconductor

Researchers at Rice University discover that phosphorus exhibits stable semiconducting properties in its 2-D form, even with defects. This property makes it a promising candidate for solar cells and electronics applications.

SourceRice University·JournalNano Letters·DateSep 9, 2014

Rice wireless experts tap unused TV spectrum

Researchers at Rice University have created a multiuser, multiantenna transmission scheme for the UHF band, which can serve multiple users simultaneously over long distances. The new technology combines proven technologies like MIMO to boost data rates without increasing power or channel usage.

NSF renews grant for biological physics research at Rice

The Center for Theoretical Biological Physics at Rice University has received a five-year, $11.75 million grant from the NSF to support its work on applying physical science to new aspects of the natural world. Researchers will develop concepts, models and methods that quantitatively describe processes in living systems.

Synthesis produces new antibiotic

Rice University scientists have successfully synthesized a newly discovered natural antibiotic, viridicatumtoxin B, which shows potent activity against Gram-positive bacteria. The simplified synthesis of this compound may pave the way for developing more effective antibiotics against superbugs.

SourceRice University·JournalJournal of the American Chemical Society·DateAug 28, 2014