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185 Current news of Rice University

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Particles pull last drops of oil from well water

Nanoscale solution to ‘produced water’ problem

17-Aug-2018

Oil and water tend to separate, but they mix well enough to form stable oil-in-water emulsions in produced water from oil reservoirs to become a problem. Rice University scientists have developed a nanoparticle-based solution that reliably removes more than 99 percent of the emulsified oil that ...

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System selectively sequesters toxins from water

09-Aug-2018

Rice University scientists are developing technology to remove contaminants from water - but only as many as necessary. The Rice lab of engineer Qilin Li is building a treatment system that can be tuned to selectively pull toxins from drinking water and wastewater from factories, sewage systems ...

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Nanotube 'rebar' makes graphene twice as tough

Material shows promise for flexible electronics

08-Aug-2018

Rice University researchers have found that fracture-resistant "rebar graphene" is more than twice as tough as pristine graphene. Graphene is a one-atom-thick sheet of carbon. On the two-dimensional scale, the material is stronger than steel, but because graphene is so thin, it is still subject ...

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Nearly pure nanotubes from unusual catalyst

30-Jul-2018

Growing a batch of carbon nanotubes that are all the same may not be as simple as researchers had hoped, according to Rice University scientists. Rice materials theorist Boris Yakobson and his team bucked a theory that when growing nanotubes in a furnace, a catalyst with a specific atomic ...

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Cementless fly ash binder makes concrete 'green'

Researchers use byproduct from coal-fired power plants to replace Portland cement

22-Jun-2018

Rice University engineers have developed a composite binder made primarily of fly ash, a byproduct of coal-fired power plants, that can replace Portland cement in concrete. The material is cementless and environmentally friendly, according to Rice materials scientist Rouzbeh Shahsavari, who ...

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Sculpting with graphene foam

18-Jun-2018

Rice University scientists have developed a simple way to produce conductive, three-dimensional objects made of graphene foam. The squishy solids look and feel something like a child's toy but offer new possibilities for energy storage and flexible electronic sensor applications, according to ...

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Theory for one type of superconductor solves puzzle in another

11-May-2018

A 2017 theory proposed by Rice University physicists to explain the contradictory behavior of an iron-based high-temperature superconductor is helping solve a puzzle in a different type of unconventional superconductor, the "heavy fermion" compound known as CeCu2Si2. An international team from ...

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Salt boosts creation of 2-D materials

23-Apr-2018

A dash of salt can simplify the creation of two-dimensional materials, and thanks to Rice University scientists, the reason is becoming clear. Boris Yakobson, a Rice professor of materials science and nanoengineering and of chemistry, was the go-to expert when a group of labs in Singapore, China, ...

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Mechanism of oxidative unzipping of multiwall carbon nanotubes to graphene nanoribbons

13-Apr-2018

Graphene, a two-dimensional lattice of carbon atoms, has attracted enormous interest from a broad base of the research community for more than one decade. Graphene nanoribbons (GNRs), narrow strips of graphene, being quasi one-dimensional, possess complementary features relative to their ...

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For graphite pellets, just add elbow grease

26-Mar-2018

It's easy and economical to make shiny pellets of graphite from functionalized graphene, according to scientists at Rice University. A report shows how chemically altered graphene powder can be pressed into a lightweight, semiporous solid that retains many of the strong and conductive qualities ...

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