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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

A better tool for the job: Laser-based technique to elucidate the mysteries of exosomes

A team of undergraduate students from Daegu Gyeongbuk Institute of Science and Technology developed a laser-based technique to measure protein-containing vessels released by cells. The technique, known as dynamic light scattering (DLS), is reliable, convenient, and inexpensive, making it an efficient tool for studying exosomes.

Collagen structures get the royal reveal

Researchers have created an algorithm called SCEPTTr that predicts the stability of collagen triple helices, a critical structure in skin, bones, muscles, tendons, and ligaments. The program expands on previous work to understand natural amino acids and provides detailed melting temperatures for each possible combination of sequences.

SourceRice University·JournalNature Chemistry·DateFeb 15, 2021

After COVID-19 hit, federal financial aid applications dropped sharply among first-year students

The study found a 21% decline in submissions among incoming first-year undergraduates and a 7% decline among those with some prior experience. Neighborhoods with higher percentages of Black and Hispanic residents saw significant declines in applications, while areas with lower proportions of these groups experienced increases.

SourceAmerican Educational Research Association·JournalEducational Researcher·DateFeb 10, 2021

Rice 'flashes' new 2D materials

Researchers at Rice University have successfully created metastable metallic nanoparticles from dichalcogenides, which can be used in electronics and optics. The process involves applying a high electrical charge to rapidly raise the material's temperature, producing a new class of highly valued materials.

SourceRice University·JournalACS Nano·DateJan 11, 2021

NSF backs first community platform for smarter wireless

Rice University researchers are developing an open-source platform to turbo-charge the research process of inventing novel machine-learning based techniques for intelligent wireless network management and optimization. The 3DML platform will provide agile and flexible tools to manage and protect complex wireless networks.

Online tools can improve autism diagnosis

The survey found that online tools can improve services in autism care by reducing delays, improving outcomes, and enabling families to access professionals remotely. The two approaches, Real-Time and Store-and-Forward methods, have good diagnostic accuracy and enable natural behaviors in the home setting to be observed.

SourceSwansea University·JournalPLOS ONE·DateJul 23, 2020

Excitons form superfluid in certain 2D combos

Researchers at Rice University discovered that excitons can spontaneously form in ground-state bilayers of specific 2D compounds, exhibiting superfluid-like behavior. This phenomenon holds promise for innovative electronic and quantum computing applications.

SourceRice University·JournalNature Communications·DateJun 15, 2020

Groovy key to nanotubes in 2D

Researchers found that the alignment of nanotubes in 2D films corresponds to parallel, submicroscopic grooves on the paper. The grooves likely form during the factory production process, and removing them allows for control over alignment direction.

SourceRice University·JournalNano Letters·DateMar 9, 2020

Underrepresented college students benefit more from 'active learning' techniques in STEM

Active learning techniques have been shown to significantly narrow the achievement gap between overrepresented and underrepresented students in STEM fields. In a recent study, instructors incorporated more active learning methods into undergraduate STEM courses, resulting in exam scores narrowing by 33-42% and course passing rates impr...

SourceUniversity of Washington·JournalProceedings of the National Academy of Sciences·DateMar 9, 2020

Heavy backpack? Good for you

A Rice University study found that public school students have healthier core strength than home-schooled children due to daily use of heavy backpacks. The research also revealed a disparity in push-up performance between the two groups, with public school students meeting requirements and home-schoolers narrowly missing them.

SourceRice University·JournalAmerican Journal of Health Education·DateFeb 17, 2020

You're not so tough, h-BN

Researchers at Rice University have created a method to modify hexagonal-boron nitride (h-BN) by attaching carbon chains, making it easier to bond with polymers and other materials. This modification also makes the material more dispersible in organic solvents.

SourceRice University·JournalThe Journal of Physical Chemistry C·DateAug 12, 2019

How to keep fish in the sea and on the plate

A new study suggests that periodic closures of fishing grounds can promote fish stock recovery while still providing enough to eat. The researchers found that well-managed fisheries with pulse harvests achieved better outcomes than those with permanent no-take MPAs.

SourceSwansea University·JournalJournal of Applied Ecology·DateJun 18, 2019

How bosses react influences whether workers speak up

A new study from Rice University psychologist Danielle King found that how leaders respond to employee suggestions can impact whether or not the employee opens up in the future. Employees who receive sensitive explanations for rejected ideas are more likely to offer suggestions again in the future.

SourceRice University·JournalJournal of Occupational and Organizational Psychology·DateJun 11, 2019

Nanomaterial safety on a nano budget

Researchers at Rice University have developed a cheap and clean method to handle carbon nanotubes, improving lab safety. The protocol involves proper attire, containment systems, and efficient transfer procedures, making it possible for labs to safely work with these materials on a large scale.

SourceRice University·JournalSN Applied Sciences·DateJun 3, 2019

Flexible generators turn movement into energy

Researchers at Rice University have created a material that generates electricity from movement, enabling the creation of wearable devices powered by human activity. The triboelectric effect is used to harness energy from contact and separation between materials, producing enough power to charge small capacitors.

SourceRice University·JournalACS Nano·DateMay 31, 2019