Sentences with phrase «enhanced raman»

«Optimal DNA structure of reverse - hairpin beacons for label - free and positive surface enhanced Raman scattering assays,» originally published in June in Optical Materials Express (OMEx), was retracted Aug. 7.

Prof. Luis Liz - Marzan, EurASc Blaise Pascal Medalist in Materials Science in 2017, has received an ERC Advanced Grant for his project entitled «Four - Dimensional Monitoring of Tumour Growth by Surface Enhanced Raman Scattering» and this project will deal with the design of materials and methods that allow a study in real time of tumor growth under controlled environments, built from purposely designed scaffolds.

Tip - enhanced optical spectroscopies (TEOS) such as TERS (tip - enhanced Raman spectroscopy) and TEPL (tip - enhanced photoluminescence) provide a unique capability for the characterization of diverse 0, 1 and 2D materials.

Such topics include time - resolved, coherent and non-linear Raman spectroscopies, nanostructure - based surface - enhanced and tip - enhanced Raman spectroscopies of molecules, resonance Raman to investigate the structure - function relationships and dynamics of biological molecules, linear and nonlinear Raman imaging and microscopy, biomedical applications of Raman, theoretical formalism and advances in quantum computational methodology of all forms of Raman scattering, Raman spectroscopy in archaeology and art, advances in remote Raman sensing and industrial applications, and Raman optical activity of all classes of chiral molecules.

The Raman spectroscopy channel covers research into all aspects of this non-destructive technique including surface - enhanced Raman spectroscopy (SERS), and related applications such as drug detection, forensics, environmental analysis, art and archaeology research, food quality analysis, homeland security, cancer research and material science.

The technique is termed tip - enhanced Raman spectroscopy (TERS).

Scientists coated a silver substrate with DMS and used a gold tip of an AFM to record tip - enhanced Raman images.

The more important finding, he said, is that the structure is an effective mechanism for using surface - enhanced Raman scattering spectroscopy.

This illustration shows the schematic procedure for the fabrication of a surface - enhanced Raman scattering contact lens via transfer printing.

The paper is titled «Ultrasensitive Molecular Sensor Using N - doped Graphene through Enhanced Raman Scattering.»

The joint research team, led by LLNL Engineer Tiziana Bond and ETH Scientist Hyung Gyu Park, are using spaghetti - like, gold - hafnium - coated carbon nanotubes (CNT) to amplify the detection capabilities in surface - enhanced Raman spectroscopy (SERS).

In this platform, an aqueous or oil droplet containing gold nanoparticles and captured analytes is allowed to evaporate on a slippery substrate, leading to the formation of a highly compact nanoparticle aggregate for surface enhanced Raman scattering (SERS) detection.

Artistic illustration showing an ultrasensitive detection platform termed slippery liquid infused porous surface - enhanced Raman scattering (SLIPSERS).

A technique to combine the ultrasensitivity of surface enhanced Raman scattering (SERS) with a slippery surface invented by Penn State researchers will make it feasible to detect single molecules of a number of chemical and biological species from gaseous, liquid or solid samples.

In surface - enhanced Raman spectroscopy, nanoparticles are added to boost the signal.

A recently developed enhancement technique uses pristine graphene as a substrate, which can enhance the Raman signal by several orders of magnitude.

Not exact matches

On its own, the Raman signal is so weak that many methods have been used to enhance the signal.

The device enhances the sensing properties of the technique by creating «hot spots,» or narrow gaps within the nanostructure which intensified the Raman signal, the researchers said.

Raman spectrum is enhanced the most when the target molecule is situated at the center of Au nanoparticles in valley of crumpled graphene as depicted in inset.

From unnatural chemicals like flavor - enhancing MSG (monosodium glutamate), BPA (in the Styrofoam of instant ramen), to denatured rancid oils, soy protein isolate, empty calories, and high levels of poor - quality saturated fat, based on this description, ramen should be a once - in - a-blue-moon treat.

Mr. Raman at 35 years, wants to enhance his wealth, so he can fulfill his family's dreams.