Browsing MIT Theses by Title
Now showing items 38423-38442 of 61728
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Nanocrystalline perovskites for catalytic combustion and oxygen separation
(Massachusetts Institute of Technology, 2002)Nanocrystalline perovskites (Lal-xAMnl-yByO3) were successfully synthesized with higher surface area and smaller grain size by chemical co-precipitation compared to solid-state and complexation/combustion synthesis routes. ... -
Nanocrystallization confined to porous matrices with and without surface functionalization effects
(Massachusetts Institute of Technology, 2018)Poorly water-soluble active pharmaceutical ingredients (APIs), which represent a major fraction of the molecules in drug discovery and development, are a challenge to the pharmaceutical industry given their low bioavailability. ... -
Nanoemulsion-Loaded Hydrogels For Advanced Pharmaceutical Formulations
(Massachusetts Institute of Technology, 2022-09)Pharmaceutical formulation plays an important role in transforming a drug substance into the final drug product taken by a patient. It involves processes that combine an active pharmaceutical ingredient (API) and a mixture ... -
Nanoengineered hierarchical advanced composites with nanofiber interlaminar reinforcement for enhanced laminate-level mechanical performance
(Massachusetts Institute of Technology, 2020)At present, there is a need for novel, scalable, and high-performance structural materials that offer unprecedented combinations of stiffness, strength, and toughness at a low density, which can serve in a variety of ... -
Nanoengineered surfaces for advanced thermal management
(Massachusetts Institute of Technology, 2009)Thermal management is a critical challenge for a variety of applications including integrated circuits (ICs) and energy conversion devices. As the heat fluxes exceed 100 W/cm2, novel cooling solutions need to be developed. ... -
Nanoengineered surfaces for improvements in energy systems : application to concentrated solar and geothermal power plants
(Massachusetts Institute of Technology, 2012)The main drawback to renewable energy systems is the higher cost of production compared to competitors such as fossil fuels. Thus, there is a need to increase the efficiency of renewable energy systems in an effort to make ... -
A nanofabricated amplitude-division electron interferometer in a transmission electron microscope
(Massachusetts Institute of Technology, 2016)Wavefront-division electron interferometry with the electron biprism has enabled many applications such as electron holography, exit-wave reconstruction, and demonstration of the Aharonov-Bohm effect. However, wavefront-division ... -
Nanofabrication of flexible thin-film bioelectronics for long-term stable neural signal recording
(Massachusetts Institute of Technology, 2024-02)Establishing a long-term stable and effective interface for brain is a significant milestone for all neural implants. Recent studies have demonstrated that tissue-level soft and flexible materials and devices can provide ... -
Nanofiber characterization of self-assembling peptides RAD16 and RID 12
(Massachusetts Institute of Technology, 2004)Self-assembling peptides are quickly proving themselves useful in tissue engineering and most recently, electronics. Self-assembling peptides have been shown to form a network of nanofibers that can be used in scaffold ... -
Nanofluid-based receivers for high-temperature, high-flux direct solar collectors
(Massachusetts Institute of Technology, 2010)Solar power plants with surface receivers have low overall energy conversion efficiencies due to large emissive losses at high temperatures. Alternatively, volumetric receivers promise increased performance because solar ... -
Nanofluidic devices for rapid analysis of DNA and proteins
(Massachusetts Institute of Technology, 2007)Direct analysis of biologically-relevant entities such as nucleic acids and proteins offers the potential to outperform conventional analysis techniques and diagnostic methods through enhancements in speed, accuracy, and ... -
Nanofluidic system for single molecule manipulation and analysis
(Massachusetts Institute of Technology, 2008)This thesis focuses on characterizing and controlling the translocation of single 48.5 kbp [lambda]-DNA molecules through an artificial nanopore with the objective of enabling multiple measurements on the same molecule. ... -
The Nanogate : nanoscale flow control
(Massachusetts Institute of Technology, 2003)The handling of extremely small samples of gases and liquids has long been a subject of research among biologists, chemists and engineers. A few scientific instruments, notably the atomic force microscope and the surface ... -
The nanogranular origin of concrete creep : a nanoindentation investigation of microstructure and fundamental properties of calcium-silicate-hydrates
(Massachusetts Institute of Technology, 2008)With an annual per capita consumption of one cubic meter, concrete is the most manufactured material on Earth. But concrete subject to sustained load creeps, like chewing gum, at a rate that deteriorates the durability and ... -
Nanolayer multi-agent scaled delivery from implant surface
(Massachusetts Institute of Technology, 2016)One of the important problems in the field of orthopedic medicine is the ability to create a stable bone-materials interface with an implant, particularly when faced with the difficult condition of bone infection. Only ... -
Nanomanufacturing for biological sensing applications
(Massachusetts Institute of Technology, 2007)Over the past 10-15 years, there have been tremendous research efforts in the synthesis of nanomaterials with unique electronic properties. Much less work, however, has focused on the incorporation of the nanomaterials ... -
Nanomanufacturing of functional nanostructured surfaces for efficient light transport
(Massachusetts Institute of Technology, 2015)Nanostructured surfaces have given rise to many unique optical properties, such as broadband anti-reflectivity, structural coloring effects, and enhanced light extraction from high refractive index materials due to their ... -
Nanomaterial-enabled manufacturing for next-generation multifunctional advanced composite prepreg laminate architectures
(Massachusetts Institute of Technology, 2018)Manufacturing of advanced aerospace-grade structural composites has traditionally utilized autoclaves to impart heat and pressure, in addition to vacuum, to create high-quality, void (defect)- free, reproducible structures. ... -
Nanomaterial-Enabled Out-of-Autoclave and Out-of-Oven Manufacturing of Fiber Reinforced Polymer Composites
(Massachusetts Institute of Technology, 2023-09)Fiber reinforced polymer composite materials have been a staple of the aerospace industry, integral to creating lightweight flight vehicles due to their high specific material properties. These materials often come in a ... -
Nanomaterial-mediated immune interactions for disease diagnosis and cancer immunotherapy
(Massachusetts Institute of Technology, 2020)The body's natural defenses against disease,facilitated by a complex and highly-evolved immune system, eluded the scientific community's understanding for thousands of years following its first description. It wasn't until ...
