Search results for raman dye

Bio & Medicine Oct 3, 2016

New system can detect cocaine at low concentrations

Researchers from Valencia and the Basque Country have developed a new method to detect cocaine and mycoplasma at very low concentrations. It has been designed as an alternative for use in laboratories and is potentially more ...

Nanomaterials Jul 22, 2016

Ultrasensitive sensor using N-doped graphene

A highly sensitive chemical sensor based on Raman spectroscopy and using nitrogen-doped graphene as a substrate was developed by an international team of researchers working at Penn State. In this case, doping refers to introducing ...

Analytical Chemistry Dec 1, 2015

State-of-the-art science reveals secrets of 19th century fashion industry

The dye industry of the 19th century was fast-moving and international, according to a state-of-the-art analysis of four purple dresses. The study, published in Spectrochimica Acta, Part A: Molecular and Biomolecular Spectroscopy, ...

Nanomaterials Nov 4, 2015

Novel 'crumpling' of hybrid nanostructures increases SERS sensitivity

By "crumpling" to increase the surface area of graphene-gold nanostructures, researchers from the University of Illinois at Urbana-Champaign have improved the sensitivity of these materials, opening the door to novel opportunities ...

Analytical Chemistry Nov 2, 2015

New imaging technology is advance for medical diagnostics, research

A team of researchers has demonstrated a new type of imaging system that reveals the chemical composition of living tissue for medical diagnostics and cellular studies.

Bio & Medicine Aug 31, 2015

Probe enables investigation of tumors using complementary imaging techniques

An organic dye that can light up cancer cells for two powerful imaging techniques providing complementary diagnostic information has been developed and successfully tested in mice by A*STAR researchers.

Bio & Medicine Jul 29, 2015

Probe enables tumor investigation using complementary imaging techniques

An organic dye that can light up cancer cells for two powerful imaging techniques providing complementary diagnostic information has been developed and successfully tested in mice by A*STAR researchers.

Biochemistry Jul 17, 2015

Imaging glucose uptake activity inside single cells

Researchers at Columbia University have reported a new approach to visualize glucose uptake activity in single living cells by light microscopy with minimum disturbance. In a recent study published in Angewandte Chemie International ...

Bio & Medicine Jun 18, 2015

Biomedical breakthrough: Carbon nanoparticles you can make at home

Researchers have found an easy way to produce carbon nanoparticles that are small enough to evade the body's immune system, reflect light in the near-infrared range for easy detection, and carry payloads of pharmaceutical ...

Nanomaterials Apr 10, 2015

New insights into graphene and organic composites in electronics

Chemists from Europe's Graphene Flagship review the potential for graphene-organic composite materials in electronics. The researchers show how organic semiconductors can be used to better process graphene, and to tune its ...

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