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Weak force has strong impact on nanosheets

Rice University scientists found that van der Waals force can indent rigid nanosheets, changing their electromagnetic properties. The researchers discovered that the force is sufficient to deform 8-nanometer-thick silver sheets into curvilinear structures with potential applications in nanophotonic research and catalytic systems.

SourceRice University·JournalNano Letters·DateDec 15, 2020

Sheets of carbon nanotubes come in a rainbow of colors

Scientists have developed a method to predict the specific colors of thin films made from combining any of the 466 varieties of single-walled carbon nanotubes. The research shows that the thinnest and most colorful tubes affect visible light more than those with larger diameters and faded colors.

SourceRice University·JournalAdvanced Materials·DateDec 14, 2020

Sheets of carbon nanotubes come in a rainbow of colours

Researchers at Aalto University have created a colour atlas for 466 unique varieties of single-walled carbon nanotubes, revealing their potential applications in electronics and solar panels. The study developed a quantitative model to predict the specific colors of thin films made by combining any of the 466 varieties.

SourceAalto University·JournalAdvanced Materials·DateDec 14, 2020

Grasping exponential growth

A new study from ETH Zurich found that informing the public of potential bias does little to improve perception, even for those aware of exponential growth. Participants underestimated infections after 30 days of exponential spread, but improved when asked about doubling times or time gained with mitigation measures.

SourceETH Zurich·JournalPLOS ONE·DateDec 14, 2020

Vitamin boosts essential synthetic chemistry

Researchers at Rice University have developed a novel method for producing olefins, or alkenes, using vitamin B12 and blue light, eliminating harsh chemicals typically needed in the process. This breakthrough could lead to more efficient and sustainable production of drugs, agrochemicals, and plastics.

SourceRice University·JournalChemical Science·DateDec 8, 2020

Chemists get peek at novel fluorescence

Rice University scientists have discovered a novel phenomenon in carbon nanotubes, where a delayed secondary fluorescence is emitted when triggered by a multistep process involving dye molecules and dissolved oxygen. The delay, only microseconds long, can be detected with specialized instrumentation.

SourceRice University·JournalJournal of the American Chemical Society·DateDec 3, 2020

Understanding frustration could lead to better drugs

A new study by Rice University scientists has developed atomic resolution protein models that show frustration is necessary for protein function and can lead to better drug specificity. The models allow for the incorporation of co-factors like drug molecules, providing insight into why ligands bind best with specific proteins.

SourceRice University·JournalNature Communications·DateNov 23, 2020

Folding proteins feel the heat, and cold

Researchers refine theories on protein interactions with solutions, discovering new factors influencing folding, including thermal expansion and temperature. Atom-scale models reveal complex interactions between solvents and peptides, potentially changing our understanding of hydrophobic and hydrophilic effects.

SourceRice University·JournalThe Journal of Physical Chemistry Letters·DateNov 11, 2020

Industrial-strength brine, meet your kryptonite

Researchers create a thin coating of hexagonal boron nitride to improve efficiency in desalination technology. The coating allows for exponential improvements in freshwater production, making it a key ingredient in a cost-effective solution for treating hypersaline water.

SourceRice University·JournalNature Nanotechnology·DateNov 3, 2020

Malaria test as simple as a bandage

Researchers created a test device using protein biomarkers in dermal interstitial fluid, detecting malaria in 20 minutes and requiring no medical expertise or equipment. The patches could cost around $1 each and be adapted for other diseases with biomarkers in interstitial fluid.

SourceRice University·JournalMicrosystems & Nanoengineering·DateNov 2, 2020

In a hurry to develop drugs? Here's your cHAT

Rice University scientists have developed a novel 'green' method for producing pharmaceutical intermediates using the cooperative hydrogen atom transfer (cHAT) technique. This approach employs earth-abundant iron and sulfur as catalysts, reducing costs and environmental impact compared to traditional methods.

SourceRice University·JournalJournal of the American Chemical Society·DateOct 30, 2020

Flash graphene rocks strategy for plastic waste

Researchers at Rice University have created a new method to convert plastic waste into high-quality graphene, offering a potential solution to the global plastic waste crisis. The flash graphene process eliminates much of the expense associated with recycling plastic, making it an economically viable alternative.

SourceRice University·JournalACS Nano·DateOct 29, 2020

Rice finds path to nanodiamond from graphene

Researchers at Rice University have developed a new method to create nanodiamond from graphene by applying pinpoint pressure, overcoming the energetic barrier to nucleation. This breakthrough could lead to the creation of single-crystal diamond films for electronics and optical applications.

SourceRice University·JournalSmall·DateOct 29, 2020

Rice rolls out next-gen nanocars

Researchers at Rice University have designed new nanocars with permanent dipole moments to increase their speed and drivability on a gold surface. The cars, weighing 114 atoms, will be driven via the internet by teams worldwide, competing in the 2022 international Nanocar Race.

Odds are good for unique 2D compound

Researchers at Rice University have discovered a unique 2D material that enables the valleytronics phenomenon, touted as a possible platform for information processing and storage. The material has been found to be scalable and less susceptible to environmental degradation.

SourceRice University·JournalAdvanced Materials·DateOct 26, 2020

SPOTlight supercharges cell studies

A new method called SPOTlight allows for the isolation of single live cells with unique profiles from heterogenous populations. The platform uses a digital micromirror device to give individual cells a long-lasting tag, enabling researchers to observe cellular dynamics and subcellular structures over time.

SourceRice University·JournalScience Advances·DateOct 23, 2020

A trillion turns of light nets terahertz polarized bytes

Researchers at Rice University and Politecnico University have demonstrated the first nanophotonic platform capable of manipulating polarized light 1 trillion times per second. The platform uses plasmonic metasurfaces to exploit ultrafast electronic mechanisms, enabling faster data transmission rates.

SourceRice University·JournalNature Photonics·DateOct 19, 2020

Biochar helps hold water, saves money

A new study from Rice University shows that biochar can help farmers save money by retaining water in sandy soils, with potential irrigation savings of over 50%. The research provides formulas for farmers to estimate water-holding capacity and irrigation cost savings.

Rice's Haotian Wang wins Packard fellowship

Haotian Wang, a researcher at Rice University, has received a $875,000 five-year grant from the David and Lucile Packard Foundation to pursue his work on converting carbon dioxide into fuels. The award supports his technology that uses renewable electricity to convert greenhouse gases into valuable chemical fuels.

There's a reason bacteria stay in shape

Bacteria remain roughly the same size and shape due to a theoretical model that links random processes of growth and division, canceling each other out. This discovery may provide new insights into disease mechanisms, including cancer proliferation.

SourceRice University·JournalThe Journal of Physical Chemistry Letters·DateOct 6, 2020

Earth grows fine gems in minutes

Research from Rice University found that certain cooling magmas can grow large crystals in just hours or days, defying traditional understanding of crystal growth. The study used advanced techniques to measure the chemical composition and growth rates of sample crystals, revealing surprisingly fast growth rates.

SourceRice University·JournalNature Communications·DateOct 6, 2020

Deep learning gives drug design a boost

A new computational tool, Metabolite Translator, uses deep learning to predict metabolites in the human body, providing a broader understanding of how drugs interact with enzymes. The method has been shown to perform as well as existing rule-based methods and identified novel enzymes involved in drug metabolism.

SourceRice University·JournalChemical Science·DateOct 5, 2020

Gemini South's high-def version of 'A Star is Born'

Astronomers using Gemini South's adaptive optics system have captured detailed images of the Carina Nebula with a resolution comparable to the Webb Space Telescope. The high-def images reveal intricate structures within the nebula, including parallel ridges and fragments being sheared off by strong winds.

SourceRice University·JournalThe Astrophysical Journal Letters·DateOct 5, 2020

3D camera earns its stripes at Rice

Researchers at Rice University have developed a compact Hyperspectral Stripe Projector that combines depth and spectral information, enabling real-time 3D spectroscopy. This technology has potential applications in self-driving cars, machine vision, crop monitoring, and surface wear and corrosion detection.

SourceRice University·JournalOptics Express·DateSep 24, 2020

Shape matters for light-activated nanocatalysts

A study by Rice University's Laboratory for Nanophotonics found that aluminum nanocatalysts with sharply pointed corners, dubbed 'octopods,' have a higher reaction rate and lower activation energy than similar shapes. The research builds on previous efforts to develop commercially viable light-activated nanocatalysts.

SourceRice University·JournalACS Nano·DateSep 18, 2020

Fast calculation dials in better batteries

A simpler analytical model developed by Rice University researchers can quickly evaluate the rate capability of batteries and identify optimal electrode materials. The model's accuracy is within 10% of more computationally intensive algorithms, making it a game-changer for battery optimization.

SourceRice University·JournalCell Reports Physical Science·DateSep 16, 2020

Expansion of rice agriculture in Southeast Asia

The study found that paddy rice farming and grasses increased significantly between 2,700 and 2,000 years ago, indicating anthropogenic deforestation and expansion of rice agriculture in southern China and Southeast Asia. Over the past 3,000 years, coastal landscapes expanded coinciding with suitable land for growing rice.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateSep 14, 2020

National parks preserve more than species

Researchers analyzed over 4,200 camera trap photos in Costa Rica's Braulio Carrillo National Park, finding that trait diversity within the park did not decline despite deforestation. The study suggests national parks can be more resilient than expected, particularly in terms of functional redundancy.

SourceRice University·JournalBiotropica·DateSep 9, 2020

Funding flows into liquid fuel strategy

Rice University engineer Haotian Wang has been awarded a four-year, $2 million collaborative grant by the National Science Foundation to explore converting waste carbon dioxide into pure liquid fuels. The project aims to develop a modular electrochemical system that can provide a sustainable and negative-carbon manufacturing path.

Boundaries no barrier for thermoelectricity

Researchers at Rice University found that electricity generated by temperature differences in gold nanowires is not affected by grain boundaries, contrary to previous assumptions. This discovery could enable the detection of crystalline defects using a novel optical detection system.

SourceRice University·JournalProceedings of the National Academy of Sciences·DateSep 8, 2020

CEOs with uncommon names tend to implement unconventional strategies

CEOs with uncommon names tend to implement distinctive strategies, deviating from industry norms to achieve competitive advantage and superior performance. This study provides insight into the relationship between a CEO's name and their strategic decisions, highlighting potential benefits for firms seeking enhanced distinctiveness.

SourceRice University·JournalStrategic Management Journal·DateSep 8, 2020