USING the 2536.5 radiation of the mercury arc as the exciter and a Hilger Intermediate quartz spectrograph, the faint second-order Raman spectrum of diamond was first successfully recorded by me 1.

However, traditional analytical methodologies are not amenable to high-throughput diagnostic applications at the point of need. An optical spectroscopic technique, surface-enhanced Raman spectroscopy ...

The quartz then traps microdroplets of fluid, like those found in nature, and the form of sulfur they contain can be analyzed at high temperature and high pressure using lasers with an analytical ...

Sulfur is a mineral essential for plant and animal growth and reproduction. It is classified as a plant macronutrient and used by crops in about the same amounts as for phosphorus (P). In past decades ...

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Sulfur is both crucial to life and a potential threat to health. While colonic sulfur metabolism mediated by eukaryotic cells is relatively well studied, much less is known about sulfur metabolism ...

Asteroid impact sulfur release less lethal in dinosaur extinction Date: January 16, 2025 Source: Vrije Universiteit Brussel Summary: Previous studies have posited that the mass extinction that ...

Department of Chemical Engineering, Waterloo Institute for Nanotechnology (WIN), 200 University Ave W, Waterloo, ON N2L 3G1, Canada ...

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One of the more promising alternatives to Li-ion batteries are lithium-sulfur (Li-S) batteries, which have an anode of lithium metal ... "By using X-ray diffraction, X-ray absorption spectroscopy and ...

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