Search results for raman dye

Paleontology & Fossils Feb 8, 2024

Austria's oldest preserved dyes detected in Miocene snail shells

Pigments in fossil snail shells from Austria dating back 12 million years are the oldest known preserved dyes from the polyene group, as scientists from the Natural History Museum Vienna and the University of Göttingen have ...

Optics & Photonics Dec 4, 2023

Q&A: Unveiling a new era of imaging—engineers lead breakthrough microscopy techniques

When microscopes struggle to pick up faint signals, it's like trying to spot subtle details in a painting or photograph without your glasses. For researchers, this makes it difficult to catch the small things happening in ...

Cell & Microbiology Nov 10, 2023

New work sheds light on inner working of cells

CÚRAM researchers at University of Galway, together with colleagues at the Centre for Molecular Nanometrology at University of Strathclyde have published work unveiling the inner workings of cells.

Archaeology Oct 26, 2023

Beads found in Israel are the oldest known example of the use of organic red pigments

A team of archaeologists from The Hebrew University of Jerusalem's Institute of Archaeology, Sorbonne Universite and Conservatoire national des arts et métiers has found the oldest-known example of the use of organic red ...

Nanomaterials Jun 5, 2023

Team creates low-cost, 3D-printed water pollution sensor

A new form of low-cost, 3D-printed water pollution sensor could make a splash in the world of environmental monitoring, its developers say.

Biochemistry Apr 25, 2023

Highly sensitive Raman probe detects enzyme expression in heterogeneous tissues

Raman imaging offers a greater potential for detecting multiple enzyme activities than fluorescence imaging, demonstrate Tokyo Tech researchers by developing 9CN-rhodol-based activatable Raman probes using a novel mechanism ...

Cell & Microbiology Mar 30, 2023

Flow cytometry tool improves methods to rapidly analyze human, plant, fungal and bacterial metabolism

A new platform established by researchers at the Single-Cell Center, Qingdao Institute of Bioenergy and Bioprocess Technology of the Chinese Academy of Sciences (QIBEBT/CAS) improves accuracy, throughput, and stability in ...

Optics & Photonics Mar 20, 2023

Coherent Raman microscopy could be expanded through fusion of instruments and computers

Raman scattering is an inelastic scattering process that exchanges energies between photons and molecules to carry information on molecular vibrations. Raman micro-spectroscopy has become an indispensable analytical tool ...

Optics & Photonics Jan 19, 2023

New strategy uses ionic liquids to change laser colors with ease

Lasers are intense beams of colored light. Depending on their color and other properties, they can scan your groceries, cut through metal, eradicate tumors, and even trigger nuclear fusion. But not every laser color is available ...

Bio & Medicine Sep 13, 2022

Nanorattles shake up new possibilities for disease detection

Researchers at Duke University have developed a unique type of nanoparticle called a "nanorattle" that greatly enhances light emitted from within its outer shell.

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