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Chemists show it's hip to be square

Their synthetic azetidines could help simplify drug design for neurological diseases

13-Aug-2019

Rice University chemists want to make a point: Nitrogen atoms are for squares. The nitrogens are the point. The squares are the frames that carry them. These molecules are called azetidines, and they can be used as building blocks in drug design. The Rice lab of chemist László Kürti introduced ...

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Chemists produce simple fluorescent surfactants

Compounds show promise for use in medicine, manufacturing

07-Aug-2019

Laboratories use surfactants to separate things, and fluorescent dyes to see things. Rice University chemists have combined the two to simplify life for scientists everywhere. The Wiess School of Natural Sciences lab of chemist Angel Martí introduced a lineup of eight fluorescent surfactants in ...

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Oddball edge wins nanotube faceoff

02-Aug-2019

When is a circle less stable than a jagged loop? Apparently when you're talking about carbon nanotubes. Rice University theoretical researchers have discovered that nanotubes with segregated sections of "zigzag" and "armchair" facets growing from a solid catalyst are far more energetically stable ...

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Nanomaterial safety on a nano budget

Rice University researchers share their protocol for handling carbon nanotubes

05-Jun-2019

With a little practice, it doesn't take much more than 10 minutes, a couple of bags and a big bucket to keep nanomaterials in their place. The Rice University lab of chemist Andrew Barron works with bulk carbon nanotubes on a variety of projects. Years ago, members of the lab became concerned ...

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New 'blue-green' solution for recycling world's batteries

Scientists show solvent leaches cobalt, lithium for reuse from spent batteries

03-Apr-2019

Rice University researchers literally have a solution to deal with the glut of used lithium-ion batteries left behind by the ever-increasing demand for electric vehicles, cellphones and other electronic devices. The Rice lab of materials scientist Pulickel Ajayan used an environmentally friendly ...

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Odd reaction creates a stir in the lab

Using certain stir bars can create laboratory errors

02-Apr-2019

The stirrers that mix cream into your coffee probably don't make much difference to the drink. But in a chemistry lab, it turns out using the wrong stirrer can skew the science. Rice University scientists have determined that stir bars made of PTFE, more commonly known as Teflon, can introduce ...

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Shaping light lets 2D microscopes capture 4D data

Invention adds new dimension to fluorescent microscopy

20-Feb-2019

Rice University researchers have added a new dimension to their breakthrough technique that expands the capabilities of standard laboratory microscopes. Two years ago, the Rice lab of chemist Christy Landes introduced super temporal resolution microscopy, a technique that allowed researchers to ...

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Laser-induced graphene gets tough, with help

Combining conductive foam with other materials for capable new composites

15-Feb-2019

Laser-induced graphene (LIG), a flaky foam of the atom-thick carbon, has many interesting properties on its own but gains new powers as part of a composite. The labs of Rice University chemist James Tour and Christopher Arnusch, a professor at Ben-Gurion University of the Negev in Israel, ...

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Lefty or righty molecules lend a hand to material structures

Effort to build bottom-up chiral polymers with unique functions

14-Feb-2019

As below, so above. That seems to be an operating principle for molecules that start with a basic chirality - or "handed-ness" -- and pass it on as they combine into larger structures. An international team that included Rice University materials scientist Edwin Thomas pried a new, fundamental ...

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Adding a porous envelope to aluminum plasmonics

Gas-trapping framework married to light-powered nanocatalysts

13-Feb-2019

When Rice University chemist and engineer Hossein Robatjazi set out to marry a molecular sieve called MOF to a plasmonic aluminum nanoparticle two years ago, he never imagined the key would be the same process nature uses to petrify wood. In a new paper Robatjazi and co-authors with Rice's ...

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