Surface-Enhanced Raman Spectroscopy-Based Biosensing
Surface-enhanced Raman spectroscopy for in vivo biosensing
... above, Raman has allowed for biomolecule detection down to 100 aM by making use of ultra-bright chalcogenopyrlium dyes that absorb in the NIR 106 ...applied surface-enhanced resonance Raman ...
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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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Surface enhanced Raman spectroscopy (SERS) based detection schemes for food analysis
... contribution of the in-plane ring III bending vibration and the bending vibration of the aliphatic C-H chain 112 ) for the case of B2 In a next step, the point-by-point reproducibility of the measurements performed with ...
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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. ...
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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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Silver nanostructures on porous silicon for multiplexed Surface Enhanced Raman Scattering biosensing platforms
... or surface lying ...higher Raman cross section of this ...partial surface coverage with DTT molecules or for very high probe ...at Raman shifts as high as 1690 cm -1 if the Raman ...
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Label-free and Aptamer-based Surface Enhanced Raman Spectroscopy for Detection of Food Contaminants
... reported based on an aptamer-based SERS technique using gold- coated magnetic nanoparticles as SERS substrates for bacterial detection ...enhance Raman peak ...solely based on the Raman ...
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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
... Fig. 6. SERRS spectra with time following lipase-catalyzed cleavage of the masked Napthalene-based azo-benzotriazole dye. Substrate was present at 1x10 -7 M, Pseudomonas cepacia lipase at a final concentration of ...
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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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