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Optics & Photonics Sep 24, 2020

Impurities enhance polymer LED efficiencies

Molecular dynamics simulations have shown that the mysteriously high efficiency of polymer LEDs arises from interactions between triplet excitons in their polymer chains, and unpaired electrons in their molecular impurities.

Polymers Sep 1, 2020

Direct observation of desorption of a melt of long polymer chains

In our everyday life it's not uncommon to see the same material in different states. Take for example water: it's a liquid at ambient temperature, we can convert into ice when cooled below 0°C and it becomes a gas when heated ...

Polymers Sep 1, 2020

Stable supply of electrochromic metallo-supramolecular polymer

National Institute for Materials Science (NIMS) and Tokyo Chemical Industry Co., Ltd. (TCI) have jointly developed a synthetic process capable of stably supplying a metallo-supramolecular polymer electrochromic (EC) material. ...

Materials Science Aug 27, 2020

Planetary ball-milling helps protect our planet from plastics pollution

Plastics are ubiquitous in modern life; unfortunately, once they lose function, they pollute the environment. Now, researchers at Osaka University have developed polymer materials that combine self-healing with strength and ...

Polymers Aug 25, 2020

Polymers prevent potentially hazardous mist during dentist visit

Researchers at the University of Illinois at Chicago couldn't stop thinking about the spinning, vibrating tools in a dentist's office that turn water into mist and send it flying into the air. If that mist contains a virus ...

Polymers Aug 21, 2020

A way to intentionally change the curvature of bent molecules using a polymer and ultraviolet light

A team of researchers from the University of Oxford and Utrecht University has developed a way to change the curvature of bent molecules using a polymer and ultraviolet light. In their paper published in the journal Science, ...

Polymers Aug 20, 2020

Small enzyme-mimicking polymers may have helped start life

Most effort in origins of life research is focused on understanding the prebiotic formation of biological building blocks. However, it is possible early biological evolution relied on different chemical structures and processes, ...

Cell & Microbiology Aug 12, 2020

Secretion of sugar polymers modulates multicellularity in the bacterium Myxococcus xanthus

Research by INRS (Institut National de la Recherche Scientifique) Professor Salim Timo Islam and his Ph.D. student Fares Saïdi has recently revealed that multicellular physiology in the social bacterium Myxococcus xanthus—a ...

Polymers Jul 22, 2020

Chemists offer a new look at polymers for space industry

Employees of the Department of Physical Chemistry of Kazan Federal University have found that the mechanisms of polymerization of aryl cyanates in the solid state and in the melted state differ in the number of broken multiple ...

Biochemistry Jul 21, 2020

Miami chemists' breakthrough technique enables design at the interface of chemistry and biology

A technique developed by Miami University associate professors of chemistry and biochemistry Dominik Konkolewicz and Rick Page may help enable more rapid and efficient development of new materials for use in pharmaceuticals, ...

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