Index Catalog // ScholarsArchive@OSU

Multi-Modal Biosensing with Diatom Photonic Crystal Biosilica

Creator:: Squire, Kenneth J.
Abstract:: The need to detect trace amounts of target molecules is great, particularly when it comes to biosensing. With the early detection of a disease, the odds of the successful treatment of an individual increases significantly. To enhance the capability of biomolecular detection, we have created an optical biosensor capable of...
Resource Type:: Masters Thesis
Full Text:: approved: ______________________________________________________ Alan X. Wang The need to

Large-Area Nanoplasmonic Structures for Enhanced Fluorescence-Based Biosensing

Creator:: Wang, Yi-Chieh
Abstract:: An innovative silver nano-dimple arrays (Ag DAs)-integrated microfluidic device was developed to achieve highly sensitive fluorescence-based nucleic acid detection. The Ag DAs were utilized to produce surface plasmon resonance (SPR) for strong fluorescence enhancement. We systematically investigated the plasmon-enhanced fluorescence by controlling the nanostructure dimension of the Ag DA substrate....
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Yi-Chieh Wang

Effect of Laser Powder Bed Fusion Parameters and Hot Isostatic Pressing on the Microstructure and Mechanical Properties of C22 Alloy

Creator:: Yan, Dongqing
Abstract:: A nickel-based Hastelloy C22 powder with a nominal composition of Ni-21.30Cr-13.36Mo-1.92Co-2.94W-3.85Fe-0.23Mn-0.3V(wt%) and particle size distribution of D₁₀=23.8±0.3 μm, D₅₀=37.5±0.2μm, and D₉₀=59.3±1.1 μm was gas atomized to be used as a feedstock in Laser Powder Bed Fusion (LPBF). In this study, laser power and scanning speed were optimized to manufacture specimens...
Resource Type:: Masters Thesis
Full Text:: , such as stainless steel [15–17]. Wang et al. [18,19]investigate the interface between the laser

Oxygenate Reactions over PdCu and PdAg Catalysts: Influence of Electronic and Geometric Effects

Creator:: Bathena, Tanmayi
Abstract:: Bimetallic catalysis is a promising way to tune the catalytic properties of heterogeneous catalysts. In particular, bimetallic catalysts are extensively used to enhance the selectivity of monometallic catalysts in a variety of contexts, from oxidation catalysis to oxygenate coupling. In this work, we investigate PdxCuy/SiO2 and PdxAgy/SiO2 catalysts in the...
Resource Type:: Masters Thesis

Electrospray Deposition of Discrete Nanoparticles: Studies on Pulsed-Field Electrospray and Analytical Applications

Creator:: Kremer, Matthew H.
Abstract:: Electrospinning and electrospray are both nano-scale material fabrication techniques, based on related phenomena of electrically charged fluid spray from a droplet of liquid. Material is dissolved in liquid, then a spray is generated by applying a high voltage, creating an electric field, between the fluid dispensing capillary and a grounded...
Resource Type:: Masters Thesis

Synthesis, surface treatment, and characterization of copper indium sulfide quantum dots

Creator:: Alemu, Yagenetfere A.
Abstract:: The need for less toxic quantum dots (QDs) has led to a significant number of investigations related to copper indium sulfide (CIS) QDs. Lower toxicity and broad band absorbance width makes CIS QDs appealing for light emitting diodes (LEDs), lasers, sensors, bio-imaging, solar cells, and computing. The optical and electronic...
Resource Type:: Masters Thesis

Signal Enhancement in Lateral Flow Tests for Infant HIV Diagnosis

Creator:: Rodriguez, Michael A.
Abstract:: Paper-based assays for HIV diagnosis are cheap, portable, and require little to no skilled training, electricity, or expensive equipment to perform successfully. However, there is a need for tests with lower limits of detection (LOD) for diagnosing infection at the earliest stages. Effective labeling to increase signal-to-noise ratio is critical...
Resource Type:: Masters Thesis

Millimeter-Wave Wideband Low-Noise Amplifiers in 22FFL Technology

Creator:: Gupta, Soumya
Abstract:: The deployment of advanced technology standards for 5G and beyond in cellular networks has resulted in interest in integrated circuits (ICs) operating at frequencies above 10GHz. This has sparked research on wideband circuits in commercial low-cost silicon technologies, operating at high RF and mm-wave frequencies. Given the wide range of...
Resource Type:: Masters Thesis

An Inductor-Less Multiple Input Single Output (MISO) Energy Harvester Achieving 74.6% Efficiency with Simultaneous MPPT

Creator:: Devaraj, Abhishekh
Abstract:: This work presents an inductor less switched capacitor based energy harvester, which can simultaneously harvest from 2 energy sources (Solar + Piezo). The proposed harvester employs 2D maximum power point tracking algorithm, by changing the conversion ratios of the charge pumps for piezo and solar sources, and 1D voltage regulation...
Resource Type:: Masters Thesis

The MAV_4644 dual-function channel protein with putative ADP-ribosyltransferase activity of Mycobacterium avium is required for virulence within host macrophages

Creator:: Lewis, Matthew S.
Abstract:: Mycobacterium avium subspecies hominissuis (MAH) is an opportunistic pathogen that is ubiquitous in the environment and often isolated from faucets and showerheads. MAH mostly infects humans with an underlying disease, such as chronic pulmonary disorder (COPD), cystic fibrosis (CF), or are immunocompromised, though infections in patients without concurrent disease are...
Resource Type:: Masters Thesis

ScholarsArchive@OSU

Multi-Modal Biosensing with Diatom Photonic Crystal Biosilica

Large-Area Nanoplasmonic Structures for Enhanced Fluorescence-Based Biosensing

Effect of Laser Powder Bed Fusion Parameters and Hot Isostatic Pressing on the Microstructure and Mechanical Properties of C22 Alloy

Oxygenate Reactions over PdCu and PdAg Catalysts: Influence of Electronic and Geometric Effects

Electrospray Deposition of Discrete Nanoparticles: Studies on Pulsed-Field Electrospray and Analytical Applications

Synthesis, surface treatment, and characterization of copper indium sulfide quantum dots

Signal Enhancement in Lateral Flow Tests for Infant HIV Diagnosis

Millimeter-Wave Wideband Low-Noise Amplifiers in 22FFL Technology

An Inductor-Less Multiple Input Single Output (MISO) Energy Harvester Achieving 74.6% Efficiency with Simultaneous MPPT

The MAV_4644 dual-function channel protein with putative ADP-ribosyltransferase activity of Mycobacterium avium is required for virulence within host macrophages

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