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Experts recommend a varied and moderate consumption of sushi limiting quantities of tuna

A research group from Universitat Rovira i Virgili analyzed the concentration of toxic elements in various sushi types, finding higher levels of arsenic and mercury in maki and nigiri. They recommend adults limit tuna-based sushi to 8 pieces a day, while infants can have 3 pieces, citing methylmercury as a major concern

SourceUniversitat Rovira i Virgili·JournalFood and Chemical Toxicology·DateJul 8, 2021

Reversal speeds creation of important molecule

Researchers at Rice University have developed a new method to synthesize halichondrin B, a natural compound with potent antitumor properties. The 'reverse approach' simplifies the process by bonding carbon-oxygen connections first and has reduced the number of steps required to make the molecule from 25 to just 5.

SourceRice University·JournalJournal of the American Chemical Society·DateJun 29, 2021

Quantum dots keep atoms spaced to boost catalysis

Rice University engineers developed a strategy to increase the number of transition-metal single atoms that can be loaded onto a carbon carrier using graphene quantum dots. The new technique showed significant improvement in electrochemical reduction of carbon dioxide compared to lower metal loading catalysts.

SourceRice University·JournalNature Chemistry·DateJun 24, 2021

Drug doubles down on bone cancer, metastasis

Researchers have developed an antibody conjugate called BonTarg that delivers drugs to bone tumors and inhibits metastasis. The combination of a breast cancer drug with a bone-targeting antibody was found to significantly enhance the concentration of the antibody at tumor sites, and inhibit secondary metastasis from infected organs.

SourceRice University·JournalScience Advances·DateJun 23, 2021

Targeted tumors attack not-innocent bystanders

The study found ADCs made with cleavable linkers can decrease small-cell lung cancer tumor size in PDX mouse models, showing promise for improved efficacy. The 'bystander effect' kills nearby nontargeted cancer cells often found near malignant tumors.

SourceRice University·JournalProceedings of the National Academy of Sciences·DateJun 22, 2021

Nightside radio could help reveal exoplanet details

Scientists at Rice University have developed a new model to detect magnetospheres in distant solar systems using nightside radio signals. This could provide valuable information about the characteristics of exoplanets, including their ability to protect themselves from solar winds.

SourceRice University·JournalThe Astrophysical Journal·DateJun 22, 2021

Solar energy collectors grown from seeds

Rice University engineers have developed a method to grow remarkably uniform 2D perovskite crystals using microscopic seeds. This breakthrough addresses production issues and enables the creation of highly efficient photovoltaic devices with stable performance.

SourceRice University·JournalAdvanced Materials·DateJun 21, 2021

'Flashed' nanodiamonds are just a phase

Researchers develop method to control flash Joule heating process to produce valuable allotropes, including fluorinated nanodiamonds and graphene. The process uses organic fluorine compounds and fluoride precursors to create the desired structures.

SourceRice University·JournalACS Nano·DateJun 21, 2021

Study examines how breast implant surfaces affect immune response

Researchers found that textured-surface breast implants stimulate pro-inflammatory T cell responses, which may lead to chronic inflammation and cancer. Smooth-surface implants showed less immune cell activity, suggesting a potential link between rougher surfaces and breast implant-associated large cell lymphoma (BIA-ALCL).

SourceRice University·JournalNature Biomedical Engineering·DateJun 21, 2021

Use rewards effectively to boost creativity

A new study by Rice University found that offering a set of rewards allows employees to choose the most effective incentive, leading to increased creative ideas and improved creativity levels. The study also discovered that rewards aimed at helping others can be particularly powerful in boosting creativity.

SourceRice University·JournalJournal of Applied Psychology·DateJun 18, 2021

Rice lab peers inside 2D crystal synthesis

The Rice University engineers have unveiled the process of MoS2's synthesis in a chemical vapor deposition (CVD) furnace. Their simulations showed that it takes three steps to deposit an atomically thin lattice onto a surface, involving sublimation, reaction with sulfur atoms, and crystallization.

SourceRice University·JournalACS Nano·DateJun 11, 2021

Absorbent aerogels show some muscle

Researchers at Rice University have developed a simple chemical process to create light and highly absorbent aerogels that can take a beating. The aerogels, which are customizable in shape and size, showed superior remediation properties compared to traditional COF powders.

SourceRice University·JournalChemistry of Materials·DateJun 8, 2021

Popularity runs in families

A Rice University study, likened to the movie 'The Truman Show,' found that genetic variation plays a significant role in determining social positions within groups of cloned fruit flies. The researchers measured social interactions between identical clones in separate enclosures under different environmental conditions.

SourceRice University·JournalNature Communications·DateJun 7, 2021

Visits to 'crisis pregnancy centers' common in Ohio

A new study found that nearly one in seven Ohio women of reproductive age has visited a crisis pregnancy center, which are often funded by state dollars but not regulated by the medical board. This can lead to concerns about access to proper medical care and potential misinformation about reproductive health.

SourceOhio State University·JournalContraception·DateMay 27, 2021

Odd angles make for strong spin-spin coupling

Researchers found strong antiresonance in orthoferrite materials when placed at an odd angle under high magnetic fields. This unique state allows for ultrastrong interactions between magnons, which could lead to suppressed fluctuation noise and increased sensitivity in quantum sensing applications.

SourceRice University·JournalNature Communications·DateMay 25, 2021

Pristine quantum criticality found

A team of physicists from Rice University and colleagues discovered that quantum fluctuations may give rise to topological phases of matter. The study used magnetic susceptibility, specific heat, and inelastic neutron scattering measurements to show that the material CeRu4Sn6 is quantum critical without fine-tuning.

SourceRice University·JournalScience Advances·DateMay 24, 2021

Engineered organism could diagnose Crohn's disease flareups

Researchers at Rice University engineered a pH-sensing gut bacteria to diagnose inflammatory bowel diseases like Crohn's disease. The organism glows green when it encounters acidic conditions, reflecting the level of acidity. This discovery could lead to non-invasive diagnosis and monitoring of acidosis in humans.

SourceRice University·JournalProceedings of the National Academy of Sciences·DateMay 17, 2021

Bio-inspired scaffolds help promote muscle growth

Rice University bioengineers have created electrospun scaffolds from decellularized skeletal muscle that mimic native tissue and direct the growth of myotubes. The tunable scaffolds promote muscle regeneration with minimal crosslinking agents, offering a promising solution for reconstructive surgeries.

SourceRice University·JournalScience Advances·DateMay 14, 2021

Timing is everything in new implant tech

Researchers at Rice University have developed a new implant technology that allows for coordinated stimulation therapy for spinal cord and heart conditions. The system uses wireless magnetic fields to power and program multiple implants from a single transmitter outside the body. This breakthrough enables more efficient treatment optio...

In graphene process, resistance is useful

Researchers adapted their laser-induced graphene technique to create fine patterns of graphene in photoresist polymers for use in consumer electronics and other applications. The new process allows for the production of high-resolution, micron-scale lines of conductive graphene, comparable to those achieved by more cumbersome processes.

SourceRice University·JournalACS Nano·DateMay 6, 2021

Flatfish got weird fast due to evolutionary cascade

A study by Rice University biologist Kory Evans found that flatfish evolved rapid skull asymmetry due to trait co-evolution. This process led to the development of unique traits across the skull, resulting in increased integration and adaptability for these fish.

SourceRice University·JournalProceedings of the National Academy of Sciences·DateMay 3, 2021

Neural nets used to rethink material design

Rice University engineers have developed a new technique using neural networks to predict the evolution of microstructures in materials, which can be used to design new materials with desired properties. The method has been shown to speed up computations significantly, making it easier to create novel materials.

SourceRice University·JournalPatterns·DateApr 30, 2021

Silver ions hurry up, then wait as they disperse

Researchers at Rice University reveal a two-step process by which silver ions are released from nanoparticles, with the possibility of stabilizing the alloy through gold manipulation. The discovery could lead to the development of new catalysts and materials for various applications.

SourceRice University·JournalACS Nano·DateApr 22, 2021

Pedram Hassanzadeh wins NSF CAREER Award

Pedram Hassanzadeh, a fluid dynamicist at Rice University, has been awarded a prestigious NSF CAREER grant to investigate the physics behind atmospheric blocking events that cause extreme weather. His research aims to improve climate modeling capabilities and predict how these events will change in the future.

Rice, Intel optimize AI training for commodity hardware

Researchers at Rice University have optimized artificial intelligence software to run on commodity processors and train deep neural networks up to 15 times faster than top GPU trainers. The 'sub-linear deep learning engine' (SLIDE) uses hash tables to solve the search problem of matrix multiplication, reducing training time for AI models.

Houston flooding polluted reefs more than 100 miles offshore

A Rice University study found that runoff from Houston's 2016 Tax Day flood and 2017's Hurricane Harvey flood carried human waste onto coral reefs more than 100 miles offshore. The research showed that even marine ecosystems far from shore can be affected by severe events, highlighting the need for increased monitoring and protection.

SourceRice University·JournalFrontiers in Marine Science·DateApr 6, 2021

Serving size, satisfaction influence food waste on campus

Researchers found that students who were satisfied with their meals wasted less food. Diners who visited the dining commons frequently and were familiar with the menu options also tended to waste less food. The study's results suggest that posting signs encouraging healthier choices could help reduce food waste.

SourceRice University·JournalFoods·DateApr 2, 2021