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Shaping light lets 2D microscopes capture 4D data

Rice University researchers have developed a method to capture 4D data using 2D microscopes, enabling scientists to visualize molecules' locations and movements in living cells. The technique uses custom phase masks to manipulate light and separate spatial and temporal information.

SourceRice University·JournalOptics Express·DateFeb 14, 2019

Laser-induced graphene gets tough, with help

Researchers at Rice University have developed composites of laser-induced graphene that can be used for wearable electronics, heat therapy, water treatment, anti-icing, and antimicrobial surfaces. The new composites were created by infusing LIG with materials like plastic, rubber, and wood, and show improved mechanical robustness.

SourceRice University·JournalACS Nano·DateFeb 12, 2019

Lefty or righty molecules lend a hand to material structures

Researchers at Rice University have created chiral polymers that can enable materials with unique properties, such as optical and sensing capabilities. The discovery could lead to the creation of metamaterials with tunable properties, including tough-but-flexible compounds with distinct functions.

SourceRice University·JournalProceedings of the National Academy of Sciences·DateFeb 11, 2019

Working proteins make good use of frustration

Researchers surveyed known enzyme structures and found that active sites often have conflicting instructions, allowing for a balance between stability and functionality. This 'extended frustration' extends beyond the first shell of amino acids, supporting catalytic ability and enabling enzymes to modify target molecules efficiently.

SourceRice University·JournalProceedings of the National Academy of Sciences·DateFeb 11, 2019

Rice U. lab adds porous envelope to aluminum plasmonics

Scientists at Rice University have developed a new method to create porous envelopes around light-powered aluminum nanocatalysts using pseudomorphic replacement. This process enables the creation of greener catalysts that use solar energy and are made from abundant metals, reducing energy burden and environmental impact. The study demo...

SourceRice University·JournalScience Advances·DateFeb 8, 2019

Nitrogen gets in the fast lane for chemical synthesis

Rice University scientists have developed a novel method to incorporate nitrogen into molecules, bypassing traditional multi-step processes. This breakthrough enables the quick and efficient production of valuable alpha-aminoketones, which are crucial for drug design and synthesis.

SourceRice University·JournalJournal of the American Chemical Society·DateFeb 8, 2019

Cancer cells' plasticity makes them harder to stop

Researchers at Rice University have discovered a direct connection between gene regulation and metabolic pathways in cancer cells, enabling them to adapt to hostile environments. The study's findings reveal three stable metabolic states that cancer cells can adopt to evade therapies.

SourceRice University·JournalProceedings of the National Academy of Sciences·DateFeb 7, 2019

Nano-infused ceramic could report on its own health

Rice University researchers have developed a nano-infused ceramic that can act as a sensor for structures, monitoring their health and reporting damage. The ceramic's unique electrical properties make it suitable for self-sensing applications in buildings, bridges, and aircraft.

SourceRice University·JournalACS Applied Materials & Interfaces·DateFeb 5, 2019

No sweat? That's an issue for home-schooled children

A Rice University study of home-schooled children aged 10-17 found that many fall short of daily exercise goals despite participating in organized activities. The researchers recommend increasing unstructured physical activity time to ensure children meet their fitness needs. Parents are encouraged to provide more opportunities for out...

SourceRice University·JournalJournal of Functional Morphology and Kinesiology·DateFeb 1, 2019

Lettuce show you how to restore oil-soaked soil

Researchers at Rice University have fine-tuned a pyrolysis technique to remove petroleum contaminants from soil, restoring its fertility. The method uses gentle heat to preserve the soil's essential clays, eliminating 99.9% of total petroleum hydrocarbons and 94.5% of polycyclic aromatic hydrocarbons.

SourceRice University·JournalEnvironmental Science & Technology·DateFeb 1, 2019

Fiber composition in rice coproducts revealed in Illinois study

A University of Illinois study characterizes the chemical composition of fiber in rice and rice coproducts, which could lead to diet interventions for improved digestibility. The primary carbohydrates found were arabinoxylans, with varying ratios between arabinose and xylose influencing functionality.

Plasmonic pioneers fire away in fight over light

Researchers at Rice University argue that photoluminescence, not Raman scattering, is responsible for the remarkable light-emitting properties of metal nanoparticles. This breakthrough could lead to improvements in solar-cell efficiency and the development of new biosensors.

SourceRice University·JournalNano Letters·DateJan 28, 2019

Worms can process rice straw, scientists discover

Scientists discovered that earthworms efficiently process rice straw, increasing its fertility and preventing the burning of crop residues. This method reduces greenhouse gas emissions and improves soil health, making it a more sustainable alternative to current practices.

SourceSechenov University·JournalEuropean Journal of Soil Biology·DateJan 24, 2019

Cancer cells steer a jagged path

Researchers at Rice University and the Duke University School of Medicine have identified JAG1 as a key player in tumor mechanics. The study shows how cancer stem cells differentiate within tumors and spread through the interaction of JAG1 with a signaling pathway, enabling metastasis.

SourceRice University·JournalProceedings of the National Academy of Sciences·DateJan 3, 2019

Next up: Ultracold simulators of super-dense stars

Physicists at Rice University have successfully cooled a neutral plasma using lasers, a technique that could lead to new insights into exotic states of matter and potentially even breakthroughs in quantum computing. The achievement sets the stage for simulators of super-dense stars like Jupiter and white dwarf stars.

SourceRice University·JournalScience·DateJan 3, 2019

Switch-in-a-cell electrifies life

Rice University scientists develop synthetic protein switches to control electron flow, enabled by chemical triggers. The discovery enables custom-designed switches for applications such as living sensors and electronically controlled metabolic pathways.

SourceRice University·JournalNature Chemical Biology·DateDec 17, 2018

Simple steps to climate-proof farms have big potential upside for tropical farmers

A study in Central America, Africa, and Asia finds that implementing simple climate-resilient strategies can increase yields, benefit the environment, and increase farmer income. The research proposes site-specific techniques, such as crop rotation and organic fertilization, which have estimated rates of return ranging from 17% to 590%.

Can rice filter water from ag fields?

Researchers have discovered that rice plants can be used to clean runoff from farms before it enters waterways, capturing pesticides and reducing their presence in rivers and streams. The study found that levels of three common pesticides dropped by as much as 97% in fields where rice was planted.

SourceAmerican Society of Agronomy·JournalJournal of Environmental Quality·DateDec 5, 2018

Light triggers gold in unexpected way

Researchers at Rice University have discovered a way to control the output of gold nanoparticles using circularly polarized light. By changing the handedness of the light input, they found they could change the intensity of the scattered light by up to 50%, opening up new possibilities for ultrasmall optical components and antennas.

SourceRice University·JournalACS Nano·DateNov 30, 2018

Using microcredit to increase rice yield in Bangladesh

A study by Kyoto University found that microcredit programs in Bangladesh increased rice yield and overall crop farm income. Households also showed a higher adoption of hybrid and high-yield rice varieties. Additionally, there was a positive effect on cultivating owned land and livestock ownership.

SourceKyoto University·JournalAmerican Journal of Agricultural Economics·DateNov 26, 2018

'True polar wander' may have caused ice age

Researchers propose that changes in Earth's spin axis, known as true polar wander, triggered the latest ice age about 12 million years ago. By analyzing fossil signatures and magnetic data from ocean sediments, they found evidence of a 3-degree shift in the planet's rotation axis, which may have led to the formation of thick ice sheets.

SourceRice University·JournalGeophysical Research Letters·DateNov 19, 2018

'Smart skin' simplifies spotting strain in structures

The 'smart skin' technology uses fluorescing carbon nanotubes to reveal stress in aircraft, bridges, or pipelines over entire surfaces or microscopic levels. It enables two-dimensional mapping of accumulated strain that can't be achieved by other non-contact methods.

SourceRice University·JournalStructural Control and Health Monitoring·DateNov 15, 2018

Epoxy compound gets a graphene bump

Rice University scientists have developed a new epoxy compound that combines graphene foam for improved conductivity and strength. The composite material is substantially tougher than pure epoxy and far more conductive, while retaining its low density.

SourceRice University·JournalACS Nano·DateNov 14, 2018

Stretchy solar cells a step closer

Rice University engineers have developed flexible organic photovoltaics with improved mechanical properties, enabling them to withstand strains of up to 20%. The new material retains its efficiency and gains flexibility by incorporating a network of elastic additives.

SourceRice University·JournalChemistry of Materials·DateNov 13, 2018

Moths and magnets could save lives

Researchers at Rice University have developed a new technology that uses a moth-infecting virus and nanomagnets to deliver CRISPR/Cas9 payloads for gene editing. The therapy has the potential to treat genetic diseases such as sickle cell, muscular dystrophy, and cystic fibrosis.

SourceRice University·JournalNature Biomedical Engineering·DateNov 13, 2018

Ring-shaped protein complex wrangles DNA

Researchers at Rice University have discovered the structure of the condensin protein complex, a ring-shaped protein that helps condense chromosomes. The finding settles a long-standing controversy over the mechanism by which the complex wrangles DNA, and provides insight into its activity during mitosis and cell life cycles.

SourceRice University·JournalProceedings of the National Academy of Sciences·DateNov 2, 2018

Study: Coal power plant regulations neglect a crucial pollutant

A study by Rice University researchers found that Texas would be healthier with stronger limits on sulfur dioxide emissions from coal plants. The study analyzed 13 coal plants and concluded that particulate matter is the deadliest air pollutant, causing respiratory diseases, heart attacks, and strokes.

SourceRice University·JournalJournal of the Air & Waste Management Association·DateOct 29, 2018

Nanotubes may give the world better batteries

Researchers at Rice University have created high-powered, fast-charging lithium metal batteries using carbon nanotube films. The films effectively quench dendrite growth, allowing the batteries to retain 99.8% of their coulombic efficiency over 580 charge/discharge cycles.

SourceRice University·JournalAdvanced Materials·DateOct 25, 2018

Ice-age climate clues unearthed

A new computational model, PRYSM, has been developed to interpret climate data from lake sediments, revealing that lake temperature proxies underestimated air temperature changes. The model is designed to compare paleoclimate data with climate model simulations, aiming to improve interpretations of past climate changes.

SourceRice University·JournalPaleoceanography and Paleoclimatology·DateOct 24, 2018

For the brokenhearted, grief can lead to death

A study from Rice University found that grief can cause inflammation leading to negative health outcomes such as cardiovascular problems and premature mortality. Researchers discovered that widows and widowers with elevated grief symptoms suffered higher levels of bodily inflammation.

SourceRice University·JournalPsychoneuroendocrinology·DateOct 22, 2018

Rice U. pursues end game for diabetes

Rice University researchers are working to develop cell implants that can sense blood glucose levels and produce insulin on demand for Type 1 diabetes patients. The project aims to eliminate the need for patients to monitor their blood glucose and administer insulin shots, potentially leading to a cure for this autoimmune disease.

Light makes Rice University catalyst more effective

Rice University researchers have created a new catalyst that can convert ammonia into hydrogen fuel at ambient pressure using light energy, significantly lowering the activation barrier. The catalyst, made of copper with trace amounts of ruthenium, uses plasmonic effects to enhance its efficiency.

SourceRice University·JournalScience·DateOct 4, 2018

Spheres can make concrete leaner, greener

Researchers create spheres that can be made at low cost and promise to mitigate the energy-intensive techniques now used to make cement. The spheres are suitable for various applications, including bone-tissue engineering, insulation, ceramic, and composite materials.

SourceRice University·JournalLangmuir·DateSep 26, 2018