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Flexible battery, no lithium required

Rice University researchers have created a thin-film battery that combines the best qualities of high-energy batteries and supercapacitors, retaining over 76% of its energy capacity after 10,000 charge/discharge cycles. The flexible device has potential for wearable electronics.

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

Nanoreporters tell 'sour' oil from 'sweet'

Rice University scientists have created a nanoscale detector that checks for and reports on the presence of hydrogen sulfide in crude oil and natural gas while they're still in the ground. The detection method is sensitive enough to detect low concentrations, making it an important tool for improving safety and efficiency in oil fields.

SourceRice University·JournalACS Applied Materials & Interfaces·DateApr 22, 2014

Study: Centuries of sand to grow Mississippi Delta

Researchers found that the river's supply of sand, a key ingredient for rebuilding marshlands, will remain constant for at least 300 years. The study suggests that despite reduced sediment loads, the abundance of sand in the lower Mississippi River channel will continue to replenish wetlands.

SourceRice University·JournalNature Geoscience·DateApr 21, 2014

Rice U. study: Performance measures for CEOs vary greatly

A new study by Rice University and Cornell University shows that S\/P 500 companies have tied CEO compensation to performance with varying performance measures. On average, firms rely mostly on accounting-based performance measures, but larger firms and growth-oriented firms tend to use market-based measures.

SourceRice University·JournalReview of Finance·DateApr 16, 2014

Synthetic collagen promotes natural clotting

Researchers at Rice University have developed a synthetic collagen, KOD, that mimics the body's natural collagen to promote natural clotting and heal surgical wounds. Lab tests showed KOD hydrogel traps red blood cells to stop bleeding and binds platelets to form clots, improving upon commercial hemostats.

SourceRice University·JournalBiomacromolecules·DateApr 9, 2014

Synthetic gene circuits pump up cell signals

Researchers at Rice University have designed a sophisticated synthetic genetic circuit that signals increases in the degradation of proteins by the cell's ubiquitin proteasome system (UPS). The Deg-On circuit produces a green fluorescent signal linked to UPS degradation, allowing researchers to monitor proteasomal activity.

SourceRice University·JournalNature Communications·DateApr 8, 2014

Rice U. study: Creativity and innovation need to talk more

A new study by Rice University finds that businesses and academia are not sufficiently integrating creativity and innovation, which requires skillful leadership to maximize benefits. The study proposes 60 research questions and 11 themes for future studies to improve understanding of workplace creativity and innovation.

SourceRice University·JournalJournal of Management·DateApr 8, 2014

Rebar technique strengthens case for graphene

Researchers at Rice University have developed a new hybrid material by combining carbon nanotubes with graphene, resulting in improved electrical and mechanical properties. The 'rebar graphene' technique enables large, flexible, conductive sheets of graphene to be manipulated more easily, making it a potential replacement for indium ti...

SourceRice University·JournalACS Nano·DateApr 7, 2014

Academic workplace bias against parents hurts nonparents too

A new study from Rice University found that university workplace bias against scientists and engineers who use flexible work arrangements may increase employee dissatisfaction and turnover, even for those without children. The research suggests that flexibility stigma can lead to a toxic culture that affects department productivity.

SourceRice University·JournalWork and Occupations·DateMar 31, 2014

Diamonds are an oil's best friend

Rice University scientists have found that a mixture of diamond nanoparticles and mineral oil outperforms other types of fluid in heat transfer applications. The researchers tested the nanofluid at concentrations up to 0.1 percent weight and found significant improvements in thermal conductivity, while maintaining a usable viscosity.

SourceRice University·JournalACS Applied Materials & Interfaces·DateMar 31, 2014

US clean-air efforts stay on target

A Rice University analysis of state implementation plans reveals that most urban areas have met the next benchmark for reducing airborne particulate matter. The study found that PM 2.5 concentrations declined by an average 2.6 micrograms per cubic meter in regions that filed SIPs to attain the standard by 2009.

SourceRice University·JournalJournal of the Air & Waste Management Association·DateMar 27, 2014

Cancer researchers find key protein link

Researchers found a previously unknown binding interface between Bcl-2 and NAF-1 proteins, which could be addressed by medication. The study's findings have implications for treating cancer and age-related diseases.

SourceRice University·JournalProceedings of the National Academy of Sciences·DateMar 27, 2014

Rice U. study: Don't shop for travel at work

A study from Rice University found that consumers who shop for leisure travel during business hours tend to select higher quality hotels but are less satisfied with their stay. Consumers who book earlier and pay in advance also tend to be more satisfied.

SourceRice University·JournalJournal of Marketing Research·DateMar 26, 2014

Rice study: Simple changes to homework improved student learning

A Rice University and Duke University study found that modifying homework procedures improved exam scores without changing the course curriculum. The study used cognitive science principles, including repeated retrieval practice, spacing, and immediate feedback, to develop inexpensive yet effective educational changes.

SourceRice University·JournalEducational Psychology Review·DateMar 18, 2014

Big data tackles tiny molecular machines

Biophysicists at Rice University developed a computational technique that combines genetic and structural data to analyze complex molecular machines. The technique, called DCA, reveals previously unknown details about protein transitions between functional states.

SourceRice University·JournalPhysical Chemistry Chemical Physics·DateMar 14, 2014

Malnourished children are better fed when mothers have network of peers

A University of Illinois study found that mothers participating in a vocational training program gained a network of peers, leading to increased bargaining strength and improved children's consumption of rice and dairy. The program empowered women, allowing them to exert more say over household resources.

We want to save water, but do we know how?

A national survey by Indiana University researcher Shahzeen Attari found that nearly 43% of participants cited taking shorter showers, despite toilets using the most water daily. The study highlights the importance of efficiency improvements like replacing toilets and retrofitting washing machines to conserve water.

SourceIndiana University·JournalProceedings of the National Academy of Sciences·DateMar 3, 2014

Nanotracer tester tells about wells

A Rice University lab has invented a tabletop device to evaluate the efficiency of oil and gas wells by analyzing nanoparticle movement. The device simulates the long path nanoparticles travel through deep rock formations, providing valuable information for producers.

SourceRice University·JournalEnvironmental Science Processes & Impacts·DateFeb 24, 2014

Caps not the culprit in nanotube chirality

Rice University researchers conducted a two-year census of 4,500 possible cap formations for nanotubes, finding that the elastic energy landscapes involved in cap formation do not dictate the nanotube's chirality. Instead, other factors such as catalyst interaction and energy landscape play a crucial role.

SourceRice University·JournalACS Nano·DateFeb 17, 2014

Rice's carbon nanotube fibers outperform copper

Carbon nanotube-based fibers have been shown to carry electrical current up to four times that of copper wires of the same mass. The fibers' ability to transmit current makes them ideal for lightweight power transmission in aerospace applications, where weight is a significant factor.

SourceRice University·JournalAdvanced Functional Materials·DateFeb 14, 2014

Is height important in matters of the heart? New study says yes

A new study from Rice University and the University of North Texas suggests that physical similarity is not the dominant rule in human mating when it comes to height preferences. Women prefer taller partners mostly for protection and femininity, while men prefer shorter women but not extremely short ones for intimacy purposes.

SourceRice University·JournalJournal of Family Issues·DateFeb 10, 2014

Quick test finds signs of diarrheal disease

Researchers have created a rapid, affordable diagnostic test for cryptosporidiosis using recombinase polymerase amplification (RPA) technique. The test can detect the presence of even one parasite in a sample, with high accuracy rates, and requires minimal equipment.

SourceRice University·JournalAnalytical Chemistry·DateFeb 6, 2014

Diamond film possible without the pressure

Scientists at Rice University and Russia have calculated a road map for creating ultra-thin diamond films without high pressure. The 'phase diagram' outlines conditions necessary to turn stacked graphene sheets into flawless diamond lattices, with potential applications in nanocapacitors, electronics, and nano-optics.

SourceRice University·JournalNano Letters·DateFeb 3, 2014

Rice lab clocks 'hot' electrons

Researchers at Rice University measured the speed and efficiency of excited 'hot' electrons drawn from gold nanoparticles into a sheet of graphene. They found that graphene accelerated damping of plasmons, shortening its lifetime, and calculated the electrons' transfer time.

SourceRice University·JournalACS Nano·DateJan 30, 2014

Don't forget the customers after mergers

A recent study found that companies that successfully achieve a dual emphasis of improving efficiency and customer satisfaction experience the highest increase in long-term financial performance. The research suggests that ignoring customers during mergers can lead to missed opportunities and decreased value for firms.

SourceRice University·JournalJournal of Service Research·DateJan 29, 2014

Researchers tune in to protein pairs

Rice University scientists create method to quantify how mutations affect protein pairs' ability to transmit signals. The new metric helps understand crosstalk and specificity in two-component systems, essential for bioengineering applications.

SourceRice University·JournalProceedings of the National Academy of Sciences·DateJan 27, 2014

Better protein capture a boon for drug manufacturers

Researchers create method to pinpoint locations for single proteins and improve chromatography process, leading to faster and cheaper drug production. This breakthrough could widen bottleneck in pharmaceutical industry and expand application to other industries.

SourceRice University·JournalProceedings of the National Academy of Sciences·DateJan 22, 2014

New test targets salmonella

Researchers at Rice University have developed a novel biosensor that can detect multiple strains of salmonella pathogens in food quickly and easily. The sensor uses microcantilevers decorated with peptides to identify the presence of specific bacteria, delivering results within minutes and outperforming existing standard tests.

SourceRice University·JournalAnalytical Chemistry·DateJan 21, 2014

Researchers 'detune' a molecule

Researchers at Rice University found that they can control the bonds between atoms in a molecule by applying a voltage and running an electric current through a single buckyball. The effect appears when the buckyball attaches to a gold surface, causing its internal bonds to undergo a subtle shift.

SourceRice University·JournalProceedings of the National Academy of Sciences·DateJan 16, 2014

Some motor proteins cooperate better than others

Researchers at Rice University have found that motor proteins cooperate differently, with myosinVa producing more force than kinesin-1. This cooperation is crucial for regulating the transport of organelles within cells, and breakdowns in motor function are implicated in human diseases.

SourceRice University·JournalProceedings of the National Academy of Sciences·DateJan 9, 2014

Synthetic genetic clock checks the thermometer

Researchers created a robust synthetic genetic clock in E. coli bacteria to regulate protein production accurately across a wide temperature range. The breakthrough resolves a long-standing problem in synthetic biology and has potential applications in biotechnology and reprogramming cellular regulatory mechanisms.

SourceRice University·JournalProceedings of the National Academy of Sciences·DateJan 7, 2014

RAMBO a small but powerful magnet

RAMBO allows researchers to run spectroscopy-based experiments in pulsed magnetic fields of up to 30 tesla on a tabletop. The device enables direct optical access to the sample and combines ultrastrong magnetic fields with short and intense optical pulses.

SourceRice University·JournalReview of Scientific Instruments·DateJan 6, 2014

Graphene nanoribbons an ice-melting coat for radar

Rice University scientists have developed a spray-on coating made from graphene nanoribbons that can melt ice on sensitive radar domes without interfering with radio frequencies. The material is also transparent and durable, making it a promising competitor to existing deicing technologies.

SourceRice University·JournalACS Applied Materials & Interfaces·DateDec 16, 2013

'Superbugs' found breeding in sewage plants

Scientists have discovered 'superbugs' carrying multidrug-resistant bacteria in treated wastewater from two plants in northern China. The study reveals the microbes breed and spread their dangerous cargo, highlighting a significant public health risk.

SourceRice University·JournalEnvironmental Science & Technology Letters·DateDec 16, 2013

Ethanol blends carry hidden risk

Researchers at Rice University found that blending more ethanol into fuel can lead to the release of toxic or explosive gases, which can accumulate in buildings and pose health risks. The study highlights the need for new thinking on managing vapor-intrusion risks due to fuel spills.

SourceRice University·JournalEnvironmental Science & Technology·DateDec 13, 2013

Light and sound fire scientists' imaginations

Researchers have discovered new abilities to manipulate light and sound using structured polymers, which could lead to breakthroughs in computing, sensing technology, and soundproofing. The findings suggest the potential for creating thin soundproofing materials that can guide rather than absorb sound.

SourceRice University·JournalAdvanced Materials·DateDec 12, 2013

Liquid to gel to bone

Researchers have developed a hydrogel scaffold that solidifies into a gel at body temperature, providing a platform for functional and aesthetic tissue regeneration. The material is intended as an alternative to prefabricated implantable scaffolds and can be injected to the point of need.

SourceRice University·JournalBiomacromolecules·DateDec 11, 2013

Morphing material has mighty potential

Researchers develop composite material that can change shape in response to temperature, enabling applications such as dynamic scaffolds and implantable materials. The material's reversible properties make it suitable for biomedical applications where shape changes need to be repeated.

SourceRice University·JournalSoft Matter·DateDec 9, 2013

Scientists scale terahertz peaks in nanotubes

In a breakthrough discovery, Rice University researchers found that free electrons in metallic and doped carbon nanotubes create plasmons at terahertz frequencies, enabling the potential for advanced optoelectronic devices. This finding clarifies the origin of the previously observed terahertz peak in nanotubes.

SourceRice University·JournalNano Letters·DateDec 9, 2013

Coal yields plenty of graphene quantum dots

Rice University scientists have discovered a simple method for producing graphene quantum dots in bulk from coal, opening up new opportunities for medical imaging, sensing, and electronic applications. The process allows for control over the size of the dots, which can be tuned to produce different fluorescent wavelengths.

SourceRice University·JournalNature Communications·DateDec 6, 2013

Study shows how water dissolves stone, molecule by molecule

Scientists at Rice University and MARUM developed a new computerized model to simulate the complex chemistry at the boundary layer, where quartz and water meet. The model accurately predicts dissolution rates, which could revolutionize engineering calculations related to building materials and radioactive waste storage.

SourceRice University·JournalThe Journal of Physical Chemistry C·DateDec 5, 2013

Proteins' passing phases revealed

Rice University researchers have developed a new method to identify previously hidden details about proteins' structures, potentially accelerating novel drug design. By combining structural data and genomic analysis, the team predicted intermediate configurations of proteins that were hard to detect.

SourceRice University·JournalProceedings of the National Academy of Sciences·DateDec 5, 2013

When aluminum outshines gold

Researchers at Rice University have discovered aluminum's valuable plasmonic properties, which make it suitable for harvesting solar energy and creating large-area optical devices. The study also found that aluminum exhibits quantum mechanical effects stronger than gold in certain nanomatryushka structures.

SourceRice University·JournalACS Nano·DateDec 2, 2013

Rice U. study: It's not easy 'being green'

A new Rice University study explores the complex relationship between self-evaluations and supportive behaviors towards environmental issues. Researchers found that individuals who experience mixed self-evaluations, including both positive self-assets and negative self-doubt, tend to exhibit less extensive issue-supportive behavior.

SourceRice University·JournalAcademy of Management Journal·DateDec 2, 2013

Dunn Foundation awards bioscience grants

The John S. Dunn Foundation awards seed grants to researchers at Rice University's BioScience Research Collaborative to support new collaborations in cancer diagnosis and treatment, vascular health, and plant-inspired energy conversion. The grants aim to foster interdisciplinary and multi-institutional research.