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Characterization of Particulate Emissions of Homogeneous Charge Compression Ignition Engines
DownloadFall 2013
The particle size distribution, volatility, and effective density of particulate matter are measured using a cooperative fuel research engine during motoring, spark ignition, and homogeneous charge compression ignition. For all operating modes, less than 5% of the particulate mass remains when...
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Fall 2016
Silicon photonics is an emerging technology with many applications in communications and computing. Light is guided on chip through waveguides with a crystalline silicon core on top of a buffer oxide layer. Silicon is transparent at telecommunications wavelengths with a high index of refraction...
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Femtosecond Laser Pulse Interaction with Tissue for Attachment of Cells and Neurons, and Treatment of Retinoblastoma
DownloadFall 2018
This thesis explores novel applications of femtosecond laser pulses in the medical and biomedical research area. It focuses on three main themes: 1. Treatment of Retinoblastoma using cancer targeting gold nanorods. 2. Selective attachment of cells. 3. Selective attachment of neurons. An...
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Fall 2014
Femtosecond (fs, 1fs=10^(-15)s) laser pulses are used in a variety of fields from nano-machining to the quest for fusion energy. However, knowledge of quantitative details for femtosecond laser material interaction processes is still insufficient, and many unique applications remain unexplored....
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Improving Measurements of the Mixing State and Mass Concentration of Particulate Emissions from Aircraft Engines
DownloadSpring 2016
This research is focused towards improving techniques used to measure particulate emissions from aircraft engines, on two fronts: first, to characterize and quantify the mixing state of particulate emissions; and second, to calibrate black carbon mass instruments with a traceable mass...
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Spring 2018
Graphene has created much excitement in the scientific community since 2004, when Novoselov and Geim developed a method to exfoliate atomic layers from graphite, earning them the 2010 Nobel prize. The great interest in graphene stems from its outstanding material properties such as atomic...