Results 11 to 20 of about 1,176,548 (296)

Raman Spectra of Deuteroethylenes [PDF]

open access: yesNature, 1937
All the different ethylenes, have been prepared, their Raman spectra in the liquid state measured and classified. A comparison between experimental data and theoretical predictions permits an estimate of the order of magnitude of the anharmonicity.
M. de Hemptinne   +2 more
openaire   +1 more source

Surface enhanced raman spectroscopy for ultra-sensitive detection of energetic materials [PDF]

open access: yes, 2010
The prospect of ultra-sensitive detection of molecular species, particularly those of energetic materials, has prompted the present research initiative. The combination of metal surface nano-technology and Raman spectroscopy has given rise to ‘Surface
Syed, A. A.
core   +6 more sources

RAMAN SPECTRA FROM ACETONE [PDF]

open access: yesProceedings of the National Academy of Sciences, 1929
Measurements of Raman spectra from acetone have been published in a recent paper [1]. These measurements were so interpreted that out of thirteen modified lines, twelve corresponded to frequencies of observed infra-red absorptions, the thirteenth lying outside the range of the infrared measurements.
R T, Dillon, R G, Dickinson
openaire   +2 more sources

The further assessment of a handheld Raman spectroscopy probe for the intraoperative diagnosis of axillary lymph nodes in breast cancer [PDF]

open access: yes, 2012
Axillary sentinel lymph node biopsy plays an important role in breast cancer management in determining further surgical and medical treatment options.
Tydeman, C.
core   +3 more sources

A new Raman technique of superior spectral resolution [PDF]

open access: yes, 1982
Raman-active vibrational modes are coherently excited by the transient stimulated Raman process. A subsequent delayed probe of relatively long duration interacts with the freely relaxing vibrations.
Zinth, Wolfgang   +5 more
core   +1 more source

Carbonisation of biomass-derived chars and the thermal reduction of a graphene oxide sample studied using Raman spectroscopy [PDF]

open access: yes, 2013
Chars and carbonised chars were produced from three different oxygen-rich precursors (Pinus radiata wood, Phormium tenax leaf fibres, and sucrose crystals).
Pickering, Kim L.   +2 more
core   +1 more source

Optimisation of wavelength modulated Raman spectroscopy : towards high throughput cell screening [PDF]

open access: yes, 2013
In the field of biomedicine, Raman spectroscopy is a powerful technique to discriminate between normal and cancerous cells. However the strong background signal from the sample and the instrumentation affects the efficiency of this discrimination ...
Andrew Riches   +17 more
core   +2 more sources

Differentiation of Lipsticks by Raman Spectroscopy [PDF]

open access: yes, 2012
Dispersive Raman spectra have been obtained using a Raman microscope and an excitation wavelength of 632.8 nm from 69 lipsticks of various colours and from a range of manufacturers without any pre-treatment of the samples.
Salahioglu, Fatma, Went, Michael J.
core   +1 more source

A Comparison of Phycocyanins from Three Different Species of Cyanobacteria Employing Resonance-Enhanced Coherent Anti-Stokes Raman Spectroscopy [PDF]

open access: yes, 1993
Resonance-enhanced coherent anti-Stokes Raman spectra are recorded for monomers and trimers of phycocyanin from three different cyanobacteria: Westiellopsis prolifica, Mastigocladus laminosus and Spirulina platensis.
L. Gottschalk   +13 more
core   +1 more source

Modulated Raman spectroscopy for enhanced identification of bladder tumor cells in urine samples [PDF]

open access: yes, 2011
Standard Raman spectroscopy (SRS) is a noninvasive technique that is used in the biomedical field to discriminate between normal and cancer cells.
Herrington, C Simon   +32 more
core   +1 more source

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