Background Suppression in Surface Enhanced Raman Spectroscopy
Surface-enhanced Raman spectroscopy for in vivo biosensing
... quantitative background correction, something not possible with fluorescence ...above, Raman has allowed for biomolecule detection down to 100 aM by making use of ultra-bright chalcogenopyrlium dyes that ...
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Surface Enhanced Raman Spectroscopy on Silver Nanoparticles
... Different spectral measuring conditions have been carried out for 10 scans per field in each spectra for single point inte- gration time of 0.3 s on the fields F 1 , F 2 , F 3 and F 4 as shown in fig 4. To determine the ...
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Polytetrafluorethylene Au as a substrate for surface enhanced Raman spectroscopy
... the surface of gold layer is so much discontinuous that sur- face enhancement of Raman signals is very small and, on the contrary, after the application of longer sputter- ing time, the surface of ...
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Molecular imaging of atherosclerosis : spotlight on Raman spectroscopy and surface-enhanced Raman scattering
... infrared spectroscopy and Raman spectroscopy are label-free techniques that detect molecules based on the vibrations of chemical ...with Raman showing superior spatial resolution. Raman ...
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Silver Nanoparticle Monolayers for Plasmonics and Surface-Enhanced Raman Spectroscopy
... the surface plasmon resonance, which is the collective motion of conduction electron stimulated by light at a resonant ...is surface enhanced Raman spectroscopy, in which the ...
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Determining the electronic properties of surface enhanced raman spectroscopy substrates
... In terms of further driving these particular projects forward, there is still a signif- icant amount of work to be done. In particular, incorporating desorption ionisation mass spectrometry (DESI-MS) [93] into these ...
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Study on Transport of Molecules in Gel by Surface- Enhanced Raman Spectroscopy
... The molecular structure of probe molecules, the diffusion model in detail, and the SEM images of the SERS chip. 228[r] ...
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Probing Trapped Extracellular Vesicles by Surface-Enhanced Raman Spectroscopy
... cells, proteins and nucleic acids packaged into their core are expected to be universally present. Peaks common amongst both EV lines are assigned in Table 5. Smith et al. noted similar findings, suggesting conserved ...
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Advances in Raman and Surface-Enhanced Raman Spectroscopy: Instrumentation, Plasmonic Engineering and Biomolecular Sensing
... Hyperspectral Raman Imaging Confocal Raman microscope has been used to characterize the uniformity of plasmonic substrates [140, ...In Raman microscopy, parallelism has been implemented by global ...
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Surface-enhanced Raman spectroscopy investigation on human breast cancer cells
... the Raman scattering from the indi- vidual living cell suspended in PBS ...cell. Raman mapping experiments were achieved with a computer-controlled x,y-stage from a fixed single cell by using a 100× ...
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Detection of pesticide residues on apples using surface-enhanced Raman spectroscopy
... Figure 10 Schematic representation of the apatmer-blocking agent-AgD fabrication. There are several criteria for an appropriate blocking agent for this assay. First of all, the blocking agent molecule should be able to ...
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The past and future of enzyme measurements using surface enhanced Raman spectroscopy
... DOI: 10.1039/b000000x The ability to accurately and sensitively measure the activity of specific enzymes is central to many aspects of modern chemistry and when combined with new nanoscience based approaches, offers ...
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Surface-enhanced spatially-offset raman spectroscopy (SESORS) in tissue analogs
... Herein, we demonstrate backscattering SESORS through tissue analogues of six known and varied thicknesses, with NP tags as the enhancing medium, measuring spectra at a large number of spatial o ff sets per tissue ...
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Article Detection of chloroalkanes by surface-enhanced Raman spectroscopy in microfluidic chip
... in surface energy and subsequent enhanced intercalation of the solution between the gold and the silicon below, accessible through imperfections in the gold ...
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Autonomous In situ Raman Sensor, Suitable for Surface Enhanced Raman Spectroscopy (SERS) for Detection of Chemicals in the Sea
... in-situ Raman/SERS sensor for the detection of chemicals in seawater has been constructed and successfully tested in the harbor and offshore under harsh field conditions, during October - January ...
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Insights from surface enhanced resonance Raman spectroscopy and QM/MM calculations
... of Raman spectra were performed for the heme a and heme a 3 ...the Raman spectra was restricted to the 1050 –1350 cm −1 window where H/D isotopic shifts of PrA and PrD are ...in Raman activity upon ...
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Translating Clinical Chemistry to the Point-of-Care Using Surface-Enhanced Raman Spectroscopy
... metallic surface by the Raman excitation laser 23 ...localized surface plasmon resonance (LSPR) extinction band for unconjugated gold nanoparticles is shown to be at 535 ...and Raman-shifted ...
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Detection of metal-molecule-metal junction formation by surface enhanced Raman spectroscopy
... tunneling spectroscopy (IETS) electrons tun- neling between a substrate and a tip can lose energy by excit- ing a molecular vibration, thus tunneling into a different empty electronic ...with Raman spectra ...
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Surface enhanced raman spectroscopy using a single mode nanophotonic-plasmonic platform
... of Surface Enhanced Raman Spec- troscopy (SERS) signals from integrated bowtie antennas, excited and collected by the fundamental TE-mode of a single mode silicon nitride ...free-space Raman ...
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Surface enhanced Raman spectroscopy (SERS) : potential applications for disease detection and treatment
... Whilst detection systems like this might seem trivial, they are actually of huge importance for the characterisation of disease in tissue. In all of the examples discussed, the measured signals arise from the SERS ...
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