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General Physics Sep 13, 2019

New topological insulator reroutes photonic 'traffic' on the fly

Topological insulators are a game-changing class of materials; charged particles can flow freely on their edges and route themselves around defects, but can't pass through their interiors. This perfect surface conduction ...

Materials Science Sep 16, 2019

Just add water—Chemists uncover a mechanism behind doping organic semiconductors

Semiconductors—and our mastery of them—have enabled us to develop the technology that underpins our modern society. These devices are responsible for a wide range of electronics, including circuit boards, computer chips ...

Biochemistry Sep 17, 2019

Programmable swarmbots help make flexible biological tools

Biomedical engineers at Duke University have developed a new platform to create biologic drugs using specially engineered bacteria that burst and release useful proteins when they sense that their capsule is becoming too ...

Nanophysics Sep 17, 2019

Colloidal nanotweezers are new tool for advanced particle manipulation

Tools for manipulating small suspended particles such as cells, micro-particles and nanoparticles play an essential role in the advancement of fundamental science and discovery of new technologies. Especially, manipulation ...

Cell & Microbiology Aug 29, 2019

Pancreas on a chip: Scientists combine organ-on-a-chip and stem-cell technologies

By combining two powerful technologies, scientists are taking diabetes research to a whole new level. In a study led by Harvard University's Kevin Kit Parker, microfluidics and human, insulin-producing beta cells have been ...

Nanophysics Sep 10, 2019

Optical vacuum cleaner can manipulate nanoparticles

Scientists at Tomsk Polytechnic University jointly with Russian and international colleagues developed the concept for constructing an "optical vacuum cleaner." Due to its optical properties, it can trap nanoparticles from ...

Biotechnology Aug 28, 2019

Organ-on-a-chip: 3-D self-rolled biosensor array to electrically interrogate electrogenic cells

Cell to cell communication plays an important role in coordinating the function of biological systems. Three-dimensional (3-D) spheroids (cell aggregates) allow biologists to explore cellular communication during tissue development ...

Optics & Photonics Sep 05, 2019

Nanowires replace Newton's famous glass prism

Scientists have designed an ultra-miniaturised device that could directly image single cells without the need for a microscope or make chemical fingerprint analysis possible from a smartphone.

Materials Science Aug 26, 2019

Making polyurethane degradable gives its components a second life

Polyurethane waste is piling up in landfills, but scientists have a possible solution: They have developed a method to make polyurethane degradable. Once the original product's useful life is over, the polymer can easily ...

Materials Science Sep 04, 2019

New insulation technique paves the way for more powerful and smaller chips

Researchers at KU Leuven and imec have successfully developed a new technique to insulate microchips. The technique uses metal-organic frameworks, a new type of materials consisting of structured nanopores. In the long term, ...

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