Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 12 of 12 for “"SERS sensing"”.
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Ultratrace Neurotransmitters SERS Sensing
Surface-enhanced Raman scattering (SERS) spectroscopy is a powerful analytical technique for ultrasensitive detection of chemicals and biomolecules. As the high sensitivity of SERS requires analytes to be in close contact with a plasmonic substrate, the detection of analyte molecules with low …
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Portable EIS and SERS sensing with flexible sensors
To debottleneck the core development of portable sensing, in this dissertation low-cost, highly sensitive sensors for impedance sensing and surface-enhanced Raman sensing have been designed and tested with mass-manufacturing ability. Starting from silicon-based through-hole impedance with a …
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Development of a surface-enhanced Raman sensor for detection in complex mixtures.
Surface-enhanced Raman scattering (SERS) is a powerful analytical signal transduction mechanism for the detection of analytes in aqueous environments, largely free from interfering water signals and capable of obtaining unique molecular signatures from structurally similar analytes. These …
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Development of High-Performance Optofluidic Sensors on Micro/Nanostructured Surfaces
Optofluidic sensing utilizes the advantages of both microfluidic and optical science to achieve tunable and reconfigurable high-performance sensing purpose, which has established itself as a new and dynamic research field for exciting developments at the interface of photonics, microfluidics, and …
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Surface wetting methods compatible with solid SERS substrates
… used for surface-enhanced Raman spectroscopy (SERS). Effectiveness of the sensors depends on how well ligand and analyte molecules can diffuse into the regions of highest enhancement. In liquid phase sensing, this is often contingent upon the ability of the solvent to completely wet the …
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Molecular Sensing using Surface-Sensitised Plasmonic Nanogaps
Surface-enhanced Raman spectroscopy (SERS) is a highly sensitive optical technique that offers both high specificity and the potential for real-time sensing solutions, addressing many unmet needs in current applications. Plasmonic effects can significantly enhance the Raman scattering of molecules …
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Nanolaminated Plasmonics: from Passive to Active Nanophotonics Devices
… such as light emission, photodetection, optical sensing, and spectroscopy. Conventional plasmonic nanostructures can support plasmonic modes, and it is typically optimized for a single wavelength window with planar plasmonic structures. Recent studies have reported some in-plane composite …
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Application of raman spectroscopy in pharmaceuticals
… use of Raman spectroscopy as an in- and on-line sensing tool and a complementary characterization technique for pharmaceutical applications is presented in this thesis. In the first chapter following a broad overview, the use of Raman spectroscopy, together with x-ray powder diffraction, scanning …
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Development of Plasmonic Nanoplatforms for Diagnostics, Therapy, and Sensing
… potential for surface-enhanced Raman scattering (SERS) detection due to their unique optical properties. Gold nanostars are a type of anisotropic nanoparticle with one of the highest SERS enhancement factors in a non-aggregated state. By utilizing the distinct characteristics of gold nanostars, …
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Multimodal Optical Interfaces Enabled by Multiresonant Plasmonics for Bio-Nanophotonics
… remain in achieving continuous real-time sensing, intracellular probing, and controlled actuation within an integrated, multifunctional platform. Nanotechnology, particularly through localized surface plasmons (LSPs), addresses these challenges by leveraging radiative decay for enhanced …
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Plasmonic Nanoplatforms and Surface-enhanced Raman Spectroscopy for in vivo Sensing: from Plants to Animals
… of surface-enhanced Raman scattering (SERS) and plasmonic nanoplatforms developed in our laboratory for sensing applications. Plasmonic nanomaterials, such as gold nanostars (AuNS) a hallmark particle pioneered by the Vo-Dinh group, increase inherently weak Raman signals from molecules …
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Cucurbit[n]uril-engineered Nano-constructs for Molecular Sensing
Surface-enhanced Raman scattering (SERS) spectroscopy is a powerful analytical technique for ultrasensitive detection of chemicals and biomolecules. As the high sensitivity of SERS requires analytes to be in close contact with a plasmonic substrate, the detectionof analyte molecules with low …