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SCIENCE AGGREGATOR
The missing link isn't a not-yet-discovered fossil, after all. It's a tiny, self-replicating globule called a coacervate droplet, developed by two researchers in Japan to represent the evolution of chemistry into biology.
A new method of exploring chemical space could help create scientific breakthroughs in areas including drug design and discovery, its creators say.
Researchers from DTU Food have developed a technique for extracting protein from green biomass without unwanted off-flavor.
DTU and Royal Greenland have collaborated on a new technology that can measure the thickness of the ice glaze on frozen prawns. This is important to know so that the prawns stay fresh and consumers get the right quantity of prawns. The solution is based on terahertz waves, and the technology can be used to measure the thickness of innumerable materials.
Molecules have a very intricate and rich structure, which allows them to rotate and vibrate freely. As a result, they have an almost limitless space in which computer scientists could encode quantum information. In addition to their vast internal space, molecules are capable of long-range interactions and could thus be entangled to other separate molecules.
In optics, when a collection of nonlinear processes act together on a pump beam, the resulting spectral broadening of the original pump beam gives rise to a supercontinuum. Supercontinuum sources for optical coherence tomography are of great interest since they provide a broad bandwidth for high resolution and high-power imaging sensitivity. For commercial fiber-based supercontinuum systems, researchers use high pump powers to generate a broad bandwidth and customized optical filters to modulate the spectra. In a new report now published on Science Advances, Xingchen Ji and a research team in electrical engineering, biomedical engineering and applied physics at the Columbia University, New York, U.S., introduced a supercontinuum platform based on a 1 mm2 silicon nitride photonic chip for optical coherence tomography (OCT). The researchers directly pumped and efficiently generated a supercontinuum near 1300 nm and used the setup to image biological tissues and show the strong imaging performance of the device. The new chip will facilitate portable OCTs and integrated photonics during optical imaging studies.
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