Search results for raman dye

Environment Sep 2, 2020

The widespread footprint of blue jean microfibers

With many people working from home during the COVID-19 pandemic, blue jeans are a more popular wardrobe choice than ever. But most people don't think about microscopic remnants of their comfy jeans and other clothing that ...

Biochemistry Mar 16, 2020

Biophysicists blend incompatible components into one nanofiber

Russian researchers from the Federal Research Clinical Center of Physical-Chemical Medicine, the Moscow Institute of Physics and Technology, and Lomonosov Moscow State University showed the possibility of blending two incompatible ...

Nanophysics Jan 28, 2020

Nanoscopy through a plasmonic nanolens

Imaging at the scale of a single molecule has gained much recent research interest in diverse fields of molecular biology, physics and nanotechnology. Researchers have used super-resolution microscopy to access subdiffraction ...

Environment Jan 10, 2020

Detecting microplastics first step in assessing environmental harm

Amid growing alarm over the plastic that pollutes our environment, biomedical and optics researchers at the University of Rochester are working to better understand the prevalence of microplastics in drinking water and their ...

Materials Science Oct 22, 2019

Extreme biomimetics – the search for natural sources of materials engineering inspiration

Biologically inspired engineering to produce biomimetic materials and scaffolds typically occurs at the micro- or nanoscale. In a new study on Science Advances, Iaroslav Petrenko and a multidisciplinary global research team, ...

Optics & Photonics Oct 3, 2019

New microscope with dual capabilities supports multitude of studies

A single strand of DNA. The toxic pollutants in a waft of air. A paint sample from a priceless work of art. Flakes of a Martian meteorite. That's only a smattering of what scientists will be able to examine with the new microscope—an ...

Nanophysics Oct 2, 2019

Quantizing single-molecule surface enhanced Raman Scattering with DNA origami metamolecules

Tailored metal nanoclusters can be actively developed in the lab to manipulate light at the subwavelength scale for nanophotonic applications. However, their precise molecular arrangement in a hotspot with fixed numbers and ...

General Physics Sep 6, 2019

Science puts historical claims to the test

The latest analytical techniques available to scientists can confirm the validity of historical sources in some cases, and suggest a need for reconsideration in others.

Optics & Photonics Jun 25, 2019

Designing light-harvesting organic semiconductor microcrystals with wavelength-tunable lasers

Organic solid-state lasers are essential for photonic applications, but current-driven lasers are a great challenge to develop in applied physics and materials science. While it is possible to create charge transfer complexes ...

Analytical Chemistry Jun 5, 2019

Painless skin patch collects fluid for diagnostic testing

Although blood contains a wealth of potential biomarkers of disease, it can be challenging to obtain and analyze. There's the anxiety patients experience when a large needle has to be stuck into a vein, and for many tests, ...

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