Chemical structures called cyclopropanes can increase the potency and fine-tune the properties of many drugs, but traditional methods to create this structure only work with certain molecules and require highly reactive—potentially ...
Biochemistry
Aug 3, 2023
0
81
Young stars are rambunctious. NASA's James Webb Space Telescope has captured the "antics" of a pair of actively forming young stars, known as Herbig-Haro 46/47, in high-resolution near-infrared light.
Astronomy
Jul 26, 2023
0
67
An interdisciplinary research team from Bochum, Duisburg and Zurich has developed a new approach to construct modular optical sensors which are capable of detecting viruses and bacteria. The researchers used fluorescent carbon ...
Bio & Medicine
Jul 21, 2023
0
126
Visible light is a mere fraction of the electromagnetic spectrum, and the manipulation of light waves at frequencies beyond human vision has enabled such technologies as cell phones and CT scans.
Condensed Matter
Jul 20, 2023
0
129
NH3 is not only the key chemical raw material for the industry but also a carbon-free fuel and mobile carrier of renewable energy in the future. So far, industrial NH3 synthesis is still dominated by the traditional Haber-Bosch ...
Analytical Chemistry
Jul 19, 2023
0
6
A new satellite called XRISM (X-ray Imaging and Spectroscopy Mission, pronounced "crism") aims to pry apart high-energy light into the equivalent of an X-ray rainbow. The mission, led by JAXA (Japan Aerospace Exploration ...
Astronomy
Jul 17, 2023
0
7
A new technology being pioneered at Caltech is allowing researchers to "evolve" optical devices and then print them out using a specialized type of 3D printer. These devices are made of so-called optical metamaterials that ...
Nanophysics
Jul 17, 2023
0
113
A team of researchers has developed new LEDs which emit light simultaneously in two different wavelength ranges, for a simpler and more comprehensive way to monitor the freshness of fruit and vegetables. As the team write ...
Biochemistry
Jul 13, 2023
0
6
One of the main ways cells "talk" to each other to coordinate essential biological activities such as muscle contraction, hormone release, neuronal firing, digestion and immune activation is through calcium signaling.
Bio & Medicine
Jul 10, 2023
0
66
Researchers have developed the first fiber laser that can produce femtosecond pulses in the visible range of the electromagnetic spectrum. Fiber lasers producing ultrashort, bright visible-wavelength pulses could be useful ...
Optics & Photonics
Jul 6, 2023
1
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