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Search results for raman dye

Nanophysics Jan 20, 2021

Tiny structures generate powerful beams for enhanced optical imaging

Even the smallest molecule can tell a big story. For instance, observing a single molecule can throw light on underlying biological processes in the human body. In fact, molecular imaging procedures—which are noninvasive ...

Analytical Chemistry Dec 9, 2020

Within a hair's breadth—forensic identification of single dyed hair strand now possible

In crime scene investigations, a single strand of hair can make a huge difference in the evolution of a case or trial. In most cases, forensic scientists must look for clues hidden in minuscule amounts of substances or materials ...

Environment Oct 22, 2020

Sponges as biomonitors of micropollution

Sponges are filter feeders that live on particulate matter—but they can also ingest microscopic fragments of plastics and other pollutants of anthropogenic origin. They can therefore serve as useful bioindicators of the ...

Optics & Photonics Oct 5, 2020

Custom fabricated microscope lens inspired by lighthouse

An optical device that resembles a miniaturized lighthouse lens can make it easier to peer into Petri dishes and observe molecular-level details of biological processes, including cancer cell growth. Developed by KAUST, the ...

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 Âé¶¹ÒùÔºical-Chemical Medicine, the Moscow Institute of Âé¶¹ÒùÔºics 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 ...

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