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.
Results
Showing 1 to 19 of 19 for “"nanoprobe"”.
-
pH Transistor Nanoprobe Advances Cancer Detection and Surgery
The file named "ZHAO-DISSERTATION-2015.pdf" is the primary dissertation file. Four (4) supplemental files are also available and may be viewed individually.
-
Fabrication of Fluorescent Nanoprobes and Their Applications in Nanophotonics
In recent years, nanoprobe-based devices have attracted significant attention and found a wide range of applications, including nanostructure imaging, single molecular detection, and physical, chemical, and biological sensing applications. However, since the scale of nanodevices is substantially …
-
Synthesis and characterization of nanoparticle suspensions: Towards quantitative surface-enhanced Raman spectroscopic sensing
… Measurements performed in suspension mimic the nanoprobe-to-nanoprobe optical interactions expected to be found in tissues with embedded nanoprobes while particle-level measurements of synthesized nanoparticles provide the molecular basis for calculations. We find that careful consideration of …
-
Interactions between the plant Golgi apparatus and the cytoskeleton
… of the cytoskeleton, with a novel fluorescent nanoprobe, affects the dynamics and stability of the actin filaments and the movement of Golgi bodies; FRAP analysis (fluorescent recovery after photo-bleaching) was also used to investigate the binding properties of the fluorescent nanoprobe to the …
-
Plasmonic Nanoplatforms and Surface-enhanced Raman Spectroscopy for in vivo Sensing: from Plants to Animals
… in vivo of leaf tissue treated with the AuNR@Ag nanoprobes. In another chapter of the work, we used standoff shifted-excitation difference spectroscopy (SERDS) for remote detection of biomarkers in plants under ambient light conditions. Monitoring plant molecular targets in field conditions …
-
Design and characterization of surface-enhanced Raman scattering nanoparticles as spectroscopic probes for biological imaging
… that have investigated the long-term stability nanoprobes, the kinetics of surface ligand exchange, nanoprobe imaging in cellular systems, the properties of reflective substrates, and electron microscopy characterization of metallic nanostructures.
-
Nanoscale device engineering and plasmon-enhanced light – matter interactions for the characterization of 2D materials
… technique is devised, utilizing a plasmonic nanoprobe with a single gold nanoparticle on an optically transparent and conductive cantilever. The nanoprobes enable precise electrode positioning on various material regions, offering user-friendliness, durability, reproducibility, and minimal …
-
Photophysics of Organic Probes and their Applications in Bioimaging & Photodynamic Therapy
… with RGD peptides for specific targeting. The nanoprobe exhibited good biocompatibility and highly selective RGD-mediated uptake in ?V?3 integrin-overexpressing cancers, while maintaining efficient fluorescence quantum yield and high photostability. In chapter 4, the synthesis and photophysical …
-
In-Situ and Operando Multimodal Microscopy of Metal Halide Perovskite Optoelectronic Devices
… We spatially correlate these measurements with nanoprobe X-ray diffraction and fluorescence to probe structure and chemistry. Applying this multimodal toolkit to state-of-the-art alloyed perovskites, we find that nanoscale variations in chemical composition dominate the optoelectronic properties …
-
Characterisation of electrode microarrays produced photolithographically and with thiol self-assembled monolayers on gold electrodes
… imaging techniques such as scanning Kelvin nanoprobe (SKN), scanning electron microscopy (SEM) and white light interferometer microscopy that conical recessed electrodes with gradient potential along the recessed walls are formed during standard photolithographic methods for producing …
-
Isotopic and Elemental Compositions of Stardust and Protosolar Dust Grains in Primitive Meteorites
… signatures were acquired in the PHI 700 Auger Nanoprobe. Some silicate grains with unique O isotopic compositions were measured for Si and Fe isotopes. The isotopic analyses indicate that a majority of the silicate and oxide grains are <super>17<super>O-rich with solar to sub-solar …
-
Electro-thermal nanoprobes for nanometrology and nanofabrication
… conductivity < 20 W/mK. Finally, a heated nanoprobe was fabricated whose sharp tip has a conformal coating of a thin, crystalline ferroelectric material. The ferroelectric-coated nanoprobes demonstrate tip polarization switching with the intention of being used for enhanced pyroelectric …
-
In-situ plasmon-enhanced characterization of optically accessible ultra-thin film ferroelectric devices
… optically transparent and conductive plasmonic nanoprobe that conducts through a single gold nanoparticle is introduced and verified on MoS2. In chapter 4, Evidence of vacancy migration assisted phase change in FE memories, this study shows the optical tracking of oxygen migration induced phase …
-
Investigation of new synchrotron X-ray and neutron techniques for local crystallographic analysis of Ni-based single crystal superalloys
… (XRD) approach utilising a synchrotron X-ray nanoprobe was developed to analyse local lattice parameters in the γʹ and γ phases. As a result of current technological constraints, and challenges in aligning single crystal superalloys to satisfy the Bragg condition, there were complications in …
-
Fullerene Based Nanomaterials for Biomedical Applications
… agents are readily covalently attached to this nanoprobe for targeting applications. Chapter 2 presents the functionalized metallofullerenes conjugated with interleukin-13 peptide exhibits enhanced targeting of U-251 glioblastoma multiforme (GBM) cell lines and can be effectively delivered …
-
Nanoparticle probes based on metal carbonyl chemical species for biological sensing with infrared spectroscopy
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2024-03-01 without embargo terms
-
In vitro selection of DNAzymes selective for monovalent metal ions and their development as sensors in living cells and organisms
… a Zn2+-specific near-infrared (NIR) DNAzyme nanoprobe for in vivo Zn2+ profiling with spatiotemporal activity control in live zebrafish together with Mr. Kang Yong Loh. By conjugating photocaged DNAzyme sensors onto lanthanide-doped upconversion nanoparticles (UCNPs), a deep tissue …
-
X-ray microscope performance enhancement through control architecture change
The goal of this thesis is to apply control algorithms to improve the performance of nanopositioning devices used on the beamline in Advanced Photon Source (APS) at Argonne National Laboratory (ANL). A prototype device, better known as the Early User Instrument (EUI) was the subject of this work. …
-
Validación de péptido conjugado a nanopartículas magnéticas de óxido de hierro como biomarcador de cambios moleculares en la barrera hematoencefálica bajo condiciones de neuroinflamación
La neuroinflamación crónica se caracteriza por un aumento de la permeabilidad de la barrera hematoencefálica (BHE), lo que provoca cambios moleculares en el sistema nervioso central (SNC) que pueden explorarse con biomarcadores de procesos neuroinflamatorios activos. En este contexto la resonancia …