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Rice University


Four elements make 2-D optical platform

Researchers at Rice University have discovered a four-component alloy with tunable optical properties, which could lead to more efficient solar cells and light-emitting diodes. The alloy's optical bandgap can be altered by changing the growth temperature, making it a promising material for various applications.

SourceRice University·JournalAdvanced Materials·DateSep 25, 2017

Motorized molecules drill through cells

Researchers have developed motorized molecules that can target and destroy specific cells using ultraviolet light. The nanomachines can be designed to deliver drugs or disrupt cell membranes, showing promise for treating diseases like breast tumors and melanomas.

SourceRice University·JournalNature·DateAug 30, 2017

Metal simplifies synthesis of antibody drugs

Rice University scientists have developed a method to efficiently modify natural antibodies that can deliver drugs to target cells by adding rhodium, a rare transition metal. The new technique allows labs to test the relative function of various antibody sources and antigen targets to see which will work best on tumor cells.

Data mining finds more than expected beneath Andean Plateau

Seismologists have discovered that processes beneath the Andean Plateau produce far more continental rock than previously thought. The findings suggest that mountain-forming regions could create larger volumes of continental crust in less time, leading to significant changes in our understanding of Earth's geological history.

SourceRice University·JournalScientific Reports·DateAug 23, 2017

Hidden river once flowed beneath Antarctic ice

A Rice University study reveals that flowing liquid water below the Antarctic ice appears to play a pivotal role in determining the fate of Antarctic ice streams. The research used sediment cores and precise seafloor maps to uncover an extensive, uncovered, water-carved channel connected to subglacial lakes.

SourceRice University·JournalNature Geoscience·DateAug 21, 2017

Hot spot at Hawaii? Not so fast

Researchers developed a method to analyze hot spot tracks and found most groups are fixed and relatively motionless, moving at about 4 millimeters per year. This contradicts previous findings that suggested hot spots moved as much as 33 millimeters a year.

SourceRice University·JournalGeophysical Research Letters·DateAug 18, 2017

Boron nitride foam soaks up carbon dioxide

Researchers at Rice University have developed a new material that can absorb up to 340% of its weight in carbon dioxide, making it a promising solution for capturing greenhouse gases. The boron nitride foam is highly porous and can be tuned for specific applications.

SourceRice University·JournalACS Nano·DateAug 16, 2017

2-faced 2-D material is a first at Rice

Researchers at Rice University have created a semiconducting transition-metal dichalcogenide material called Janus sulfur molybdenum selenium (SMoSe) with a larger band gap than molybdenum diselenide. The discovery has potential applications in catalytic production of hydrogen and other fields.

SourceRice University·JournalACS Nano·DateAug 14, 2017

Landscapes give latitude to 2-D material designers

Rice University researchers have developed a method to control defects in 2-D materials, which can enhance their electronic, magnetic and optical properties. By growing atomic-thin sheets on curved substrates, they can manipulate the appearance of grain boundaries, which are critical in determining material behavior.

SourceRice University·JournalACS Nano·DateAug 9, 2017

Two sides to this energy story

Researchers at Rice University have developed a catalyst that can split water into hydrogen and oxygen, offering a potential solution for renewable energy. The catalyst uses laser-induced graphene, a low-cost material, to produce large bubbles of oxygen and hydrogen simultaneously.

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

Magnetized viruses attack harmful bacteria

Researchers at Rice University and the University of Science and Technology of China have developed a combination of antibacterial phages and magnetic nanoparticle clusters that infect and destroy bacteria protected by biofilms in water treatment systems. The innovative material, which uses bacteriophages combined with nanoparticles, c...

Technique enables printable and rewritable color images

Scientists at Rice University have created a method for printing and rewriting color images by utilizing structural colors, which are determined by the selective reflections of certain colors at specific angles. The technique uses a single, colorless ink and can generate high-resolution images with excellent durability.

SourceRice University·JournalAdvanced Materials·DateAug 1, 2017

Glaciers may have helped warm Earth

A new study suggests that glaciers may have played a role in releasing carbon dioxide into the atmosphere, potentially warming the planet. The research found that glacial weathering increased the rate of carbon dioxide release, with oscillating glaciers changing atmospheric levels by up to 25 parts per million over 10,000 years.

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

Bubbles help new catalysts self-optimize

Scientists at Rice University and Lawrence Livermore National Laboratory have developed new two-dimensional electrocatalysts that extract hydrogen from water with high efficiency and low cost. The catalysts were created by forming bubbles between layers, which breaks them apart and increases the number of active sites.

SourceRice University·JournalNature Energy·DateJul 31, 2017

Rice University chemists make laser-induced graphene from wood

Researchers at Rice University have successfully turned wood into an electrical conductor by creating laser-induced graphene, a form of the atom-thin carbon material. The process involves heating a thin film pattern onto a block of pine using a standard industrial laser, producing high-quality graphene foam bound to the wood surface.

SourceRice University·JournalAdvanced Materials·DateJul 31, 2017

Rice U. scientists reel in structure of salmon virus

The Rice lab has produced the first full-length structure of a salmon virus protein, shedding light on its role in viral assembly and potentially informing strategies to treat human influenza viruses. The discovery could lead to new antiviral treatments by targeting the protein's interaction with other viral components.

SourceRice University·JournalProceedings of the National Academy of Sciences·DateJul 28, 2017

Heavy metals in water meet their match

Researchers at Rice University have created a novel filter that can remove toxic heavy metals from contaminated water, using a combination of carbon nanotubes and quartz fibers. The filters are reusable and can be washed with vinegar, making them an effective solution for treating water in remote regions.

SourceRice University·JournalScientific Reports·DateJul 27, 2017

DREAMers at greater risk for mental health distress

A study from Rice University found that Mexican immigrants living in the US without proper documentation are at high risk of psychological distress. The survey revealed that respondents aged 18-25 were most likely to exhibit distress, citing loss of home, social status, and family as reasons for their mental health issues.

SourceRice University·JournalAmerican Journal of Psychiatry·DateJul 27, 2017

Triple-layer catalyst does double duty

The researchers created a three-layer structure of nickel, graphene, and a compound of iron, manganese, and phosphorus that can produce both hydrogen and oxygen simultaneously. The material is scalable, stable in acidic and basic solutions, and requires less energy than traditional catalysts.

SourceRice University·JournalNano Energy·DateJul 26, 2017

Scientists seek to engineer chatter among cells

Researchers at Rice University and the University of Houston are developing mathematical models to understand how cells in large colonies of bacteria communicate with each other. Their goal is to design colonies that can perform computations and make sophisticated decisions, mimicking the ability of tissues to maintain homeostasis.

Here's a tip: Indented cement shows unique properties

Rice University scientists found that indented tobermorite responds differently than bulk material, with layers bonding through indentation remaining intact after force removal. The study reveals three molecular mechanisms at work in tobermorite, which are also responsible for the strength of calcium-silicate-hydrate mix in cement.

SourceRice University·JournalScientific Reports·DateJul 19, 2017

Fluorine grants white graphene new powers

Rice University researchers discovered a way to turn white graphene, an exceptional conductor of heat, into a wide-bandgap semiconductor with magnetic properties by adding fluorine. The magnetism is an unexpected bonus that could make the unique material suitable for electronics in extreme environments.

SourceRice University·JournalScience Advances·DateJul 14, 2017

Houston team one step closer to growing capillaries

Researchers from Rice University and Baylor College of Medicine have demonstrated a key step in generating implantable tissues with functioning capillaries. They used human endothelial cells and mesenchymal stem cells to initiate tubulogenesis, crucial for blood-transporting capillary formation.

SourceRice University·JournalBiomaterials Science·DateJul 10, 2017

Nature-inspired material uses liquid reinforcement

Scientists at Rice University have developed a new material that combines flexibility and stiffness by infusing it with tiny pockets of liquid gallium. The composite exhibits higher energy absorption characteristics than traditional materials, making it suitable for applications such as shock absorbers and biomimetic structures.

SourceRice University·JournalAdvanced Materials Interfaces·DateJul 10, 2017

Greener molecular intermediates may aid drug design

Rice University scientists simplify synthesis of precursor molecules for biologically active compounds, enabling cheaper and more sustainable drug design. The new method uses hydroxylamine O-sulfonic acid to produce aziridine molecules at room temperature in a few hours.

SourceRice University·JournalAngewandte Chemie International Edition·DateJul 5, 2017

Ruthenium rules for new fuel cells

Researchers at Rice University have created a new catalyst for fuel cells that is as effective as platinum but cheaper. The catalyst uses single ruthenium atoms attached to graphene and has shown excellent performance in tests.

SourceRice University·JournalACS Nano·DateJun 28, 2017

Rice U. chemists create 3-D printed graphene foam

Researchers from Rice University and China's Tianjin University have successfully created centimeter-sized objects of atomically thin graphene using 3D laser printing. The new method eliminates the need for high-temperature chemical vapor deposition treatment, enabling mass production of bulk graphene with controlled pore size.

SourceRice University·JournalACS Nano·DateJun 21, 2017

Freshwater from salt water using only solar energy

A new desalination system uses solar energy to turn salt water into freshwater, promising a cost-effective and sustainable solution for global water scarcity. The technology combines membrane distillation with light-harvesting nanophotonics to efficiently generate steam from sunlight.

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

Mussels add muscle to biocompatible fibers

Researchers at Rice University have created hydrogel strings using a compound found in mussels, allowing for controlled growth of cells on surfaces. The aligned fibers promote ordered cell growth, making it possible to direct cell growth from one location to another.

SourceRice University·JournalJournal of the American Chemical Society·DateJun 9, 2017

Making vessels leaky on demand could aid drug delivery

Rice University scientists have discovered a way to selectively open gaps in blood vessel barriers, allowing large molecule drugs to reach targeted tissues. The technique uses magnets to manipulate nanoparticles and alter the endothelial cell's structure, creating temporary 'leakiness' that can be controlled.

SourceRice University·JournalNature Communications·DateJun 8, 2017

Seismic CT scan points to rapid uplift of Southern Tibet

Research finds that the southern half of the Tibetan Plateau formed in less than one-quarter of the time since India-Eurasia continental collision, with most of the uplift occurring when a denser lithospheric root broke away. The study's findings support a different scenario to the traditional theory on Tibet's formation.

SourceRice University·JournalNature Communications·DateJun 7, 2017

Texas team debuts battery-less pacemaker

Researchers from Rice University and the Texas Heart Institute have developed a battery-less pacemaker that can be implanted directly into a patient's heart. The device harnesses energy wirelessly from radio frequency radiation transmitted by an external battery pack, reducing complications related to traditional lead-based pacemakers.

Rice lab creates tough, but tender, cancer fighters

Scientists at Rice University have developed analogs of potent anti-tumor agents, which show superior properties and exhibit potent cytotoxicities against certain cancer cells. The new compounds were tested on kidney cancer and human uterine sarcoma cell lines, including a drug-resistant cell line.

SourceRice University·JournalJournal of the American Chemical Society·DateMay 30, 2017