Reversible electrochemical injection of discrete numbers of electrons into sterically stabilized silicon nanocrystals (NCs) (approximately 2 to 4 nanometers in diameter) was observed by differential pulse voltammetry (DPV) in N,N'-dimethylformamide and acetonitrile. The electrochemical gap between the onset of electron injection and hole injection-related… (More)
Confined nanoscale geometry greatly influences physical transformations in materials. The electron microscope enables direct visualization of these changes. We examined the evolution of a germanium (Ge) nanowire attached to a gold (Au) nanocrystal as it was heated to 900 degrees C. The application of a carbon shell prevented changes in volume and… (More)
Dodecanethiol-capped gold (Au) nanocrystal superlattices can undergo a surprisingly diverse series of ordered structure transitions when heated (Goodfellow, B. W.; Rasch, M. R.; Hessel, C. M.; Patel, R. N.; Smilgies, D.-M.; Korgel, B. A. Nano Lett. 2013, 13, 5710-5714). These are the result of highly uniform changes in nanocrystal size, which subsequently… (More)
Recombinant antibodies and antibody fragments have become powerful tools for therapy, in vivo and in vitro diagnostics, and laboratory research. However, the production of antibody fragments in high yield for preclinical and clinical trials can be a serious bottleneck in drug discovery. This dissertation describes the development of novel screening systems… (More)
Dedication To my beautiful wife Jatanna and precious new daughter Cameron Ruth.
Acknowledgments I must admit that pursuing my graduate studies here at the University of Texas at Austin gave me a rare opportunity to be under the tutelage of talented professors. However, today I feel chiefly indebted to my advisor Dr. Allan MacDonald for the patience and sincerity he has shown me in regard to this dissertation. I would like to take this… (More)
Dedicated to my parents for their never ending love. Acknowledgments I am grateful to my loving mother for enduring all the hardship while bringing up me and my brother; for always being there for us. I am grateful to my dad for taking great care of his family, for providing the best education available to us, for always staying true to his principles… (More)