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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

Fractal planting patterns yield optimal harvests, without central control

Balinese rice farmers' planting patterns create fractal designs that yield optimal harvests without global planning. The pattern's emergence is driven by water availability and pest damage, making the system more resilient. Farmers adapt locally, taking individual decisions that optimize their own harvests, resulting in a stable system.

SourceSanta Fe Institute·JournalProceedings of the National Academy of Sciences·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

Zap! Graphene is bad news for bacteria

Researchers discovered laser-induced graphene is highly effective against bacteria and resists biofouling. When electrified, LIG kills bacteria through a combination of contact with its rough surface, electrical charge, and toxicity from hydrogen peroxide production.

SourceRice University·JournalACS Applied Materials & Interfaces·DateMay 22, 2017

Populations adapt as nature and nurture work together

Researchers found that genetic variations influence fruit fly larvae's ability to associate odors with pain and pleasure, leading to better decision-making about pupation. The study suggests a link between learning and environmental cues, highlighting the complex interplay of nature and nurture in shaping behavior.

'Hot' electrons don't mind the gap

Researchers found that hot electrons can create a photovoltage about a thousand times larger than what is seen if there is no gap. The discovery shows the potential for nanoscale photodetectors to convert light into electricity and sensors or other sophisticated electronics.

SourceRice University·JournalThe Journal of Physical Chemistry Letters·DateMay 8, 2017

Rice U. unveils dual-channel biological function generator

Researchers develop biofunction generator and bioscilloscope to analyze and manipulate two biological circuits simultaneously, enabling precise control over gene expression and protein production. The technology, based on mathematical modeling and optogenetics, offers new insights into complex synthetic biological systems.

SourceRice University·JournalMolecular Systems Biology·DateMay 8, 2017

Biology's need for speed tolerates a few mistakes

A new paper reveals that evolution has optimized two fundamental biological processes, DNA replication and protein translation, to prioritize speed over accuracy. The research suggests that a few mistakes are tolerable as long as the majority of biopolymers produced are correct, and energy savings can be significant.

SourceRice University·JournalProceedings of the National Academy of Sciences·DateMay 2, 2017

Protein 'spy' gains new abilities

Rice University scientists have developed a new technique to label proteins in cells using bio-orthogonal tags, allowing for high spatial and temporal control. The technique uses an engineered switch that only charges tRNA with the tag when prompted, providing a snapshot of total protein synthesis in the cell.

SourceRice University·JournalACS Synthetic Biology·DateApr 27, 2017

Rice's Lydia Kavraki wins ACM Athena Lecturer Award

Lydia Kavraki, a renowned computer scientist at Rice University, has received the Association for Computing Machinery's (ACM) Athena Lecturer Award. She is recognized for inventing randomized motion-planning algorithms in robotics and developing robotics-inspired methods for bioinformatics and biomedicine.

Study: Early organic carbon got deep burial in mantle

A Rice University study found that fossilized organic carbon could have been deeply buried in the mantle starting around 2.4 billion years ago, during a critical period known as the great oxidation event. The researchers discovered that the chemical composition of subducting crustal rock plays a crucial role in determining whether carb...

SourceRice University·JournalNature Geoscience·DateApr 25, 2017

Researchers working toward indoor location detection

Researchers at Rice University have developed a new indoor location detection system that uses existing mobile device sensors to improve accuracy and energy efficiency. By leveraging machine learning algorithms and incorporating information from standard human movements, the system can estimate accurate locations even with noisy sensors.

SAVI camera ditches long lens for distant images

The SAVI camera uses laser light to capture high-resolution images of distant objects, eliminating the need for a long lens. The technology has potential applications in visible light imaging, with researchers envisioning real-time, high-resolution capture using this synthetic aperture approach.

SourceRice University·JournalScience Advances·DateApr 14, 2017

Rice U. scientists add to theory about Huntington's mechanism

Researchers use computer simulations to show how N-terminal sequence encourages aggregation of huntingtin protein fragments while polyproline inhibits it. This discovery offers a new target for drug development to halt Huntington's disease progression. The study also highlights the involvement of the cytoskeleton in the disease mechanism.

SourceRice University·JournalProceedings of the National Academy of Sciences·DateApr 10, 2017

New rice fights off drought

Scientists at RIKEN developed transgenic rice strains that resist drought stress, showing higher yields and increased biomass. The modified rice lines produced more galactinol, a key osmoprotectant, to cope with water loss, leading to improved drought tolerance.

SourceRIKEN·JournalPlant Biotechnology Journal·DateApr 4, 2017

Domesticated rice goes rogue

A recent study has discovered the ancestry of Asian rice and its weedy cousins, revealing that rice has a natural tendency towards becoming weeds. The research found that both strains evolved from different crop varieties, with relatively few changes needed to turn the crop plant into a weed.

SourceWashington University in St. Louis·JournalNature Genetics·DateApr 3, 2017