Search results for raman dye

General Physics Oct 17, 2013

Watching the heart beat of molecules

A team of scientists around Prof. Theodor W. Hänsch and Dr. Nathalie Picqué at the Laser Spectroscopy Division of the Max Planck Institute of Quantum Optics (Garching), in a collaboration with the Ludwig-Maximilians-Universität ...

Nanophysics Oct 16, 2013

The infinitely small tackles counterfeiting

The University of Montreal chemist Richard Martel explores a vast world on a tiny scale. "There are more H2O molecules in a sip of water [≈1024] than there are seconds since the Big Bang [≈1018]," he says to illustrate ...

Cell & Microbiology Aug 26, 2013

Watching the production of new proteins in live cells

Researchers at Columbia University, in collaboration with biologists in Baylor College of Medicine, have made a significant step in understanding and imaging protein synthesis, pinpointing exactly where and when cells produce ...

Quantum Physics Apr 11, 2013

Researchers evaluate Bose-Einstein condensates for communicating among quantum computers

Quantum computers promise to perform certain types of operations much more quickly than conventional digital computers. But many challenges must be addressed before these ultra-fast machines become available, among them, ...

Materials Science Aug 27, 2012

Glowing flowers for ultra-trace analysis of TNT

(Phys.org)—Highly sensitive and highly selective tests are important for the early detection of disease, the detection of environmental toxins, or for the detection of explosives at airports. Increased selectivity for the ...

Analytical Chemistry Jul 19, 2012

Researchers develop rapid diagnostic test for pathogens, contaminants

Using nanoscale materials, researchers at the University of Georgia have developed a single-step method to rapidly and accurately detect viruses, bacteria and chemical contaminants.

Analytical Chemistry Jun 19, 2012

Chemists offer law enforcement crime solving tool

(Phys.org) -- University at Albany researchers have developed a method to determine the caliber and type of weapon used in a crime by analyzing gunshot residue (GSR). Using near-infrared (NIR) Raman microspectroscopy and ...

Analytical Chemistry Apr 10, 2012

New technology sheds light on viruses

(Phys.org) -- Diagnostic tests that rapidly detect disease-causing viruses in animals and humans are being developed by U.S. Department of Agriculture (USDA) scientists using a new technology called "surface-enhanced Raman ...

Analytical Chemistry Mar 30, 2012

Fingerprints tell all: Progress in fingerprint analysis

(PhysOrg.com) -- It has long been well established that fingerprints can be used to identify people or help convict them of crimes. Things have gone a lot further now: fingerprints can be used to show that a suspect is a ...

Nanophysics Mar 23, 2012

Researchers present a shiny new tool for imaging biomolecules

At the heart of the immune system that protects our bodies from disease and foreign invaders is a vast and complex communications network involving millions of cells, sending and receiving chemical signals that can mean life ...

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