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Chemistry

James Tour

Tour scores prestigious Centenary Prize

June 24, 2020

Rice University chemist James Tour has been named a winner of this year’s Royal Society of Chemistry Centenary Prize.

Naomi Halas is a Rice University engineer and chemist who's spent more than 25 years pioneering the use of light-activated nanomaterials.

Purifying water with a partly coated gold nanoparticle

June 22, 2020

Rice's Naomi Halas has collaborated with Yale University engineers on the creation of a light-activated nanoparticle for clearing water of pollutants. The research is part of an effort by NEWT, the Rice-based Nanosystems Engineering Research Center for Nanotechnology-Enabled Water Treatment.

Figure depicting the action of an aluminum-palladium antenna-reactor nanocatalyst that harnesses light energy to break chemical bonds in fluorocarbons

Fluorocarbon bonds are no match for light-powered nanocatalyst

June 22, 2020

Rice University engineers have created a light-powered catalyst that can break the strong chemical bonds in fluorocarbons, a group of synthetic materials that includes persistent environmental pollutants.

Rice University scientists’ simple model of T cell activation of the immune response shows the T cell binding, via a receptor (TCR) to an antigen-presenting cell (APC). If an invader is identified as such, the response is activated, but only if the “relaxation” time of the binding is long enough. (Credit: Hamid Teimouri/Rice University)

‘Relaxed’ T cells critical to immune response

June 16, 2020

Rice University researchers model the role of relaxation time as T cells bind to invaders or imposters, and how their ability to differentiate between the two triggers the body’s immune system.

Rice scientists found certain combinations of weakly bound 2D materials let holes and electrons combine into excitons at the materials’ ground state. Courtesy of the Yakobson Research Group

Excitons form superfluid in certain 2D combos

June 15, 2020

Mixing and matching computational models of 2D materials led scientists at Rice University to the realization that excitons can be manipulated in new and useful ways.

The design of thio-based photosensitizers, at left, by Rice University chemists shows promise for photodynamic cancer therapy, among other applications. One thiocarbonyl substitution -- trading an oxygen atom for a sulfur atom -- of a variety of fluorophores can dramatically enhance their ability to generate reactive oxygen species that kill cancer cells. At right, images of multicellular tumor spheroids treated with photosensitizers and light (in the bottom row) show how the compounds, when excited by ligh

Rice lab turns fluorescent tags into cancer killers

June 11, 2020

Fluorophores with one oxygen atom replaced by a sulfur atom can be triggered with light to create reactive oxygen species within cancer cells, killing them.

A graphic shows the process by which a Rice University lab uses 3D printing to make shapeshifting materials that may be useful to make soft robots or as biomedical implants. (Credit: Verduzco Laboratory/Rice University)

Lab makes 4D printing more practical

June 9, 2020

Soft robots and biomedical implants that reconfigure themselves upon demand are closer to reality with a method developed at Rice to print shapeshifting materials.

Rice University scientists have created an open-source algorithm, SEMseg, that simplifies nanoparticle analysis using scanning electron microscope images. Courtesy of the Landes Research Group

New tool helps nanorods stand out

June 8, 2020

Rice scientists introduce an open-source method to simplify nanoparticle analysis using scanning electron microscope images.

A coating developed at Rice University made primarily with protein from eggs that would otherwise be wasted can be used to extend the freshness of produce. (Credit: Jeff Fitlow/Rice University)

Egg-based coating preserves fresh produce

June 4, 2020

Eggs that would otherwise be wasted can be used as the base of an inexpensive coating to protect fruits and vegetables, according to Rice University researchers.

Rice University scientists analyzed the motion of single boron nitride nanotubes. The nanotubes are stable semiconductors and excellent conductors of heat. They could be useful as building blocks for composite materials or in biomedical studies. (Credit: Jeff Fitlow/Rice University)

Exotic nanotubes move in less mysterious ways

June 2, 2020

Rice University researchers capture the first video of boron nitride nanotubes in motion to prove their potential for materials and medical applications.

Monolayer Janus MoSSe, a compound of molybdenum, sulfur and selenium developed at Rice University, is adept at detecting biomolecules via surface-enhanced Raman spectroscopy. Its nonmetallic nature helps by curtailing background noise in the signal. (Credit: Lou Group/Rice University)

2D sandwich sees molecules with clarity

May 14, 2020

A 2D platform of molybdenum, sulfur and selenium is adept at detecting biomolecules via surface-enhanced Raman spectroscopy. Its nonmetallic nature helps by curtailing background noise.

Superfund team

Rice faculty part of Baylor Superfund program

May 6, 2020

A $10 million federal grant establishes a center to study how toxic chemicals from Superfund sites impact preterm births.

A schematic and electron microscope cross-section show the structure of an integrated, solar-powered catalyst to split water into hydrogen fuel and oxygen. The module developed at Rice University can be immersed into water directly to produce fuel when exposed to sunlight. Illustration by Jia Liang

Water-splitting module a source of perpetual energy

May 4, 2020

Rice University researchers have integrated high-efficiency solar cells and electrode catalysts into an efficient, low-cost device that splits water to produce hydrogen fuel.

Anatoly Kolomeisky and Oleg Igoshin

Hidden symmetry found in chemical kinetic equations

April 30, 2020

Rice University researchers have discovered a hidden symmetry in the chemical kinetic equations scientists have long used to model and study many of the chemical processes essential for life.

Julianne Yost

Almost gone but never forgotten

April 28, 2020

Julianne Yost wins this year’s top teaching award, the George R. Brown Prize for Excellence in Teaching.

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