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Rice University


A crystal shape conundrum is finally solved

Researchers at Rice University have developed a method to predict the shapes of crystals that lack symmetry by assigning arbitrary latent energies to their surfaces. This approach uses closure equations with arbitrary parameters to mimic nature's solution, allowing for accurate crystal shape predictions.

SourceRice University·JournalNature Computational Science·TypeComputational simulation/modeling·DateNov 28, 2022

Rice lab’s catalyst could be key for hydrogen economy

The new catalyst uses energy from light to convert ammonia into clean-burning hydrogen fuel, breaking the need for heat and potentially reducing greenhouse gas emissions. The discovery paves the way for sustainable, low-cost hydrogen production locally rather than in massive centralized plants.

SourceRice University·JournalScience·TypeExperimental study·DateNov 24, 2022

Brain cancer research draws support

Kevin McHugh, a Rice bioengineer, has received the Distinguished Scientist Award from The Sontag Foundation for his work on gene editing to defeat glioblastoma multiforme. His approach involves delivering gene therapy agents directly to tumor cells, aiming to improve survival and reduce side effects.

Rice turns asphaltene into graphene for composites

Researchers at Rice University have successfully converted asphaltene, a byproduct of crude oil production, into turbostratic graphene using flash Joule heating. This process utilizes the existing material to create useful graphene for thermal, anti-corrosion and 3D-printing applications.

SourceRice University·JournalScience Advances·TypeExperimental study·DateNov 18, 2022

Rice refines analysis of MRI contrast agents

A Rice-led team developed molecular simulations that reveal distinct differences in how inner and outer shells of water molecules around gadolinium respond to thermal excitation. Temperature affects the self-diffusivity of molecules, influencing relaxation rates in MRI scans.

SourceRice University·JournalPhysical Chemistry Chemical Physics·TypeComputational simulation/modeling·DateNov 17, 2022

Growing pure nanotubes is a stretch, but possible

Materials theorists Boris Yakobson and Ksenia Bets propose a method to control the growth of carbon nanotubes by constraining the carbon feedstock in a furnace. This approach allows for the production of batches with single desired chirality, which is essential for highly conductive applications. The researchers suggest etching away lo...

SourceRice University·JournalScience Advances·TypeComputational simulation/modeling·DateNov 9, 2022

Seizures happen like clockwork — but depend on the clock

A new study led by Rice University and UCSF researchers found that seizure cycles are linked to age and common triggers, such as illness and menstrual cycles. The study used data from over 1,000 patients aged 2 months to 80 years to develop a statistical model that captures the effect of these factors on seizure risk.

SourceRice University·JournalProceedings of the National Academy of Sciences·TypeData/statistical analysis·DateNov 8, 2022

Why some Latino communities fear the COVID-19 vaccine, and what can be done to help

A new study from Rice University found that Latino communities are hesitant to get vaccinated against COVID-19 due to concerns over side effects and mistrust of health officials. The study, which focused on communities near the U.S.-Mexico border, found that 44% of community health workers reported patients believing vaccines can have ...

SourceRice University·JournalFrontiers in Public Health·TypeSurvey·DateNov 7, 2022

Early planetary migration can explain missing planets

A new model accounts for the interplay of forces acting on newborn planets, explaining two puzzling observations: the radius valley and peas in a pod. The research suggests that giant impacts, like the one that formed our moon, are probably a generic outcome of planet formation.

SourceRice University·JournalThe Astrophysical Journal Letters·TypeComputational simulation/modeling·DateNov 7, 2022

Even good gene edits can go bad

Researchers at Rice University have developed a procedure to quantify unintended changes that accompany on-target CRISPR-Cas9 gene editing, potentially threatening the efficacy and safety of therapies. The new method uses single-molecule sequencing with unique molecular identifiers to detect large deletions, insertions, and chromosomal...

SourceRice University·JournalScience Advances·TypeExperimental study·DateOct 24, 2022

Rice lab advances water-splitting catalysts

Engineers at Rice University have discovered a method to make oxygen evolution catalysis in acids more economical and practical. They replaced rare and expensive iridium with ruthenium, a far more abundant precious metal, as the positive-electrode catalyst in a reactor that splits water into hydrogen and oxygen.

SourceRice University·JournalNature Materials·TypeExperimental study·DateOct 20, 2022

Engineers record neurons to pinpoint synaptic links

Researchers created a 3D electrode array that maps the locations and activity of up to 1 million potential synaptic links in living brains. The system uses recordings of millisecond-scale evolution of electrical pulses in tens of thousands of neurons, allowing for dense and accurate mapping of brain circuits.

SourceRice University·JournalNature Biomedical Engineering·TypeExperimental study·DateOct 19, 2022

New motorcycle lighting design could save lives

Researchers at Rice University have developed a new motorcycle lighting design that could help prevent accidents by improving visibility for other drivers. The six-light configuration, which illuminates the full height and width of the bike, was found to reduce response times by up to 0.8 seconds.

SourceRice University·JournalTransportation Research Part F Traffic Psychology and Behaviour·TypeComputational simulation/modeling·DateOct 18, 2022

Climate risks for Gulf of Mexico coral reefs spelled out in study

New research simulates climate warming and ocean acidification in the Gulf of Mexico and Caribbean, finding that high emissions could lead to critically warm temperatures as early as 2050. Reducing emissions may delay this onset, giving coral conservation programs more time to adapt.

SourceRice University·JournalJournal of Geophysical Research Biogeosciences·TypeComputational simulation/modeling·DateOct 5, 2022

Solvent study solves solar cell durability puzzle

Researchers at Rice University have created stable and efficient halide perovskite solar cells by finding the right solvent design to apply a 2D top layer on top of a 3D bottom layer. The new method achieves high power conversion efficiencies, comparable to commercially available solar cells, while maintaining stability.

SourceRice University·JournalScience·TypeExperimental study·DateSep 22, 2022

RNA-editing tool a fast, sensitive test for COVID-19

Researchers developed an engineered Cas13 system that detects SARS-CoV-2 in biological samples with high sensitivity and speed. The new platform outperforms traditional PCR testing, finding 10 out of 11 positives and no false positives in clinical samples.

SourceRice University·JournalNature Chemical Biology·TypeExperimental study·DateSep 22, 2022

Physicists demo method for designing topological metals

Researchers from Rice University and partners identified three promising candidate materials using a new framework that cross-references information in a database of known materials with theoretical calculations. The method could help explore strongly correlated topological matter, a large and largely uninvestigated landscape.

SourceRice University·JournalNature Physics·TypeExperimental study·DateSep 15, 2022

Interwoven: Charge and magnetism intertwine in kagome material

Researchers at Rice University have discovered a unique arrangement of atoms in iron-germanium crystals that leads to a collective dance of electrons. The phenomenon, known as a charge density wave, occurs when the material is cooled to a critically low temperature and exhibits standing waves of fluid electrons.

SourceRice University·JournalNature·TypeExperimental study·DateSep 14, 2022

COVID-19 amplified hardship for many Harvey victims

A recent study by Rice University, Notre Dame, and Environmental Defense Fund reveals that COVID-19 exacerbated the economic and mental health consequences of Hurricane Harvey. The research, which analyzed data from over 3,000 participants, found a distinct distinction between acute effects and secondary stressors.

SourceRice University·JournalEnvironmental Research·TypeSurvey·DateSep 13, 2022

Optical rule was made to be broken

Engineers at Rice University have discovered a way to manipulate light at the nanoscale that surpasses the traditional Moss rule for optical materials. The researchers found that iron pyrite has a high refractive index, making it suitable for applications such as virtual reality and 3D displays.

SourceRice University·JournalAdvanced Optical Materials·TypeExperimental study·DateSep 12, 2022

Three NSF grants support future of wireless

Rice University researchers have received three NSF grants to develop tools and techniques for improving wireless communications. The projects focus on creating more efficient sensing and communication technologies, as well as protocols for resilience in the face of natural or human-induced disasters.

Glowing tags reveal split-second activity of pathogenic circuitry

Researchers at Rice University have created a new optical tool called homo-FRET that allows them to observe the real-time activity of two-component systems in bacteria. This breakthrough enables scientists to study the behavior of deadly pathogens and antibiotic-resistant bacteria, shedding light on their mechanisms and potential targe...

SourceRice University·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateAug 25, 2022

Powering an ‘arm’ with air could be mighty handy

Researchers at Rice University have developed a pneumatic robotic arm powered by compressed air that can grasp objects and go, using textile-based energy harvesting system. The device is designed for individuals with disabilities and can produce equivalent of 3 watts of power, outperforming other energy harvesting strategies.

SourceRice University·JournalScience Advances·TypeExperimental study·DateAug 25, 2022

New weapon targets antibiotic resistance

A new class of light-activated hemithioindigo molecules developed by Rice University scientists kill specific Gram-positive bacteria and their biofilms. The molecules induce reactive oxygen species that chemically attack and destroy drug-resistant cells, offering a safer alternative to conventional antibiotics.

SourceRice University·JournalAdvanced Science·TypeExperimental study·DateAug 25, 2022

Brushing thin films onto electrodes preserves batteries

Researchers at Rice University have developed a method to create a thin film coating on lithium anodes using powder brushing, which improves battery life and capacity. The coated anodes retained 70% more capacity after 340 charge-discharge cycles than off-the-shelf batteries.

SourceRice University·JournalAdvanced Materials·TypeExperimental study·DateAug 22, 2022

Biomedical, data science training wins new grant

The program, one of only 18 nationwide, will support eight Ph.D. students and five postdoctoral fellows each year for five years, focusing on biomedical informatics and data science. The grant is the seventh renewal of support for a multidisciplinary training program that began over 30 years ago.

‘Drug factory’ implants eliminate mesothelioma tumors in mice

Rice University researchers have developed a treatment combining drug factory implants producing interleukin-2 with checkpoint inhibitors to eradicate advanced-stage mesothelioma tumors in mice. The treatment resulted in complete tumor destruction in all seven treated mice, offering a promising approach to this aggressive lung cancer.

SourceRice University·JournalClinical Cancer Research·TypeExperimental study·DateAug 22, 2022

2D boundaries could create electricity

Researchers at Rice University have discovered piezoelectricity in two-dimensional materials across phase boundaries. The discovery enables the creation of ultra-sensitive temperature or pressure sensors and tiny actuators, revolutionizing electronic applications.

SourceRice University·JournalAdvanced Materials·TypeExperimental study·DateAug 16, 2022

Rice models moving ‘washers’ that help DNA replicate

Researchers have modelled a key mechanism by which DNA replicates, revealing details about how helicases wrangle DNA during replication. The simulations showed each step of translocation can travel more than 12 nucleotides along the backbone, pinpointing interactions involved in long-distance movement.

SourceRice University·JournalProceedings of the National Academy of Sciences·TypeComputational simulation/modeling·DateAug 9, 2022

Water can’t touch this sanded, powdered surface

Rice University researchers create a technique to make surfaces superhydrophobic by combining sanding with powder materials, resulting in water-repelling properties. The treatment also exhibits excellent anti-icing properties, slowing down freezing and reducing ice adhesion strength.

SourceRice University·JournalACS Applied Materials & Interfaces·TypeExperimental study·DateAug 4, 2022

Rice engineers get a grip with ‘necrobotic’ spiders

Rice University mechanical engineers repurpose deceased spiders as small-scale, naturally derived grippers. The spiders can lift more than 130% of their own body weight and perform tasks like sorting or moving objects around. Future research will focus on testing the concept with smaller spiders.

SourceRice University·JournalAdvanced Science·TypeExperimental study·DateAug 4, 2022