Browsing by Author "Cheng, Zhongyang"

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Applications of Poly (3-Hexylthiophene) Thin Film as a Hydrazine-Sensitive Chemiresistor

Shu, Huihua (2006-12-15)

Hydrazine is a hypergolic compound that when combined with mixed oxides of nitrogen self ignites. This compound is used for the steering (guidance and course correction) of satellites and spacecraft. Hydrazine is a highly ...

Array Biosensor for the Detection of Organophosphates

Ramanathan, Madhumati (2006-08-15)

The aim of the current study was to develop an optical-based array biosensor for enzyme kinetics monitoring by fluorescence spectroscopy. The developed biosensor was used for the detection of Organophosphates (OPs), which ...

Bottom-up surface engineering of DNA macro-assemblies for nanoelectronics and optical biosensors

Gnanaprakasa, Tony Jefferson (2010-12-14)

Nanotechnology has promised an out of the ordinary impact on mankind. From the most mundane of consumables to the indispensable advancements in health care and medicine that it has potential in; make it an exciting revolution ...

Chemical Sensing Employing pH Sensitive Emeraldine Base Thin Film for Carbon Dioxide Detection

Irimia-Vladu, Mihai (2006-08-15)

Respiration, or CO2 evolution, is a universal indicator for all the biological activities. Among many potential applications, the measurement of CO2 evolution has been found to be a rapid and nondestructive means for ...

Detection of Salmonella Typhimurium on Environmental Surfaces Using Magnetoelastic/magnetostrictive (ME) Biosensors.

Liu, Yuzhe (2020-05-14)

Food products can be contaminated by Salmonella anywhere along the food supply chain, so that serious foodborne illnesses, hospitalizations, and even death are caused. The conflict between the fast food-supply requirement ...

Development and Characterization of Polymer Gel as Self-driven Actuators

Li, Liangxi (2021-05-19)

Actuators are objects that can transfer energy or signal to mechanical energy and are widely used in our daily life. Most of actuators are actuated by external energy suppliers that make the device big. Self-powered ...

Development and Study of Phage-Coated Magnetoelastic Biosensors for the Detection of Bacillus Anthracis Sterne Spores

Wan, Jiehui (2008-05-15)

Bacillus anthracis spores have long been recognized as biological warfare agents because of their ability to cause mortality in humans and their long life under unfavorable environments. The early detection of Bacillus ...

Development of Acoustic Wave Devices to Characterize Viscosity and its Nonlinearity

Wu, Peixuan (2011-07-29)

Fluid has many physical properties, such as conductivity, density, heat capacity, surface tension, thermal conductivity and viscosity. Viscosity is one of the most important physical properties of fluid, and it needs to ...

Development of CaZrO3-Based Hydrogen Sensors with Oxide Reference Electrodes for Molten Aluminum

Krishnan, Vivek (2006-12-15)

Hydrogen is a major cause of gas porosity in aluminum and is frequently removed from the melt prior to casting. The degassing process can be better controlled if the hydrogen content in the melt is known. Thus, gas sensors ...

Development of Dielectric Composites for Dielectric and Energy Storage Applications

Tong, Yang (2017-11-27)

Dielectrics, which are materials responding to an external electric field with a polarization, have been widely used in industries. Dielectrics with high permittivity and high breakdown strength are required for the ...

Development of Novel Acoustic Wave Biosensor Platforms Based on Magnetostriction and Fabrication of Magnetostrictive Nanowires

Li, Suiqiong (2007-08-15)

There is an urgent need for biosensors that are able to detect and quantify the presence of a small amount of biological threat agents in a real-time manner. Acoustic wave (AW) devices, whose performance is defined by mass ...

Development of Passive Wireless Humidity Sensors and Dielectric Methodology for A Real-time In-situ Sensing of Disinfectant

Liu, Jiachen (2022-05-03) ETD File Embargoed

Many agricultural sensors, which play a critical role in smart and precision agriculture, are used to provide real-time sensing information for better control of agricultural production and saving of freshwater. There are ...

Development of Phage/Antibody Immobilized Magnetostrictive Biosensors

Fu, Liling (2010-05-03)

There is an urgent need for biosensors that are able to detect and quantify the presence of a small amount of pathogens in a real-time manner accurately and quickly to guide prevention efforts and assay food and water ...

Development Of Portable Magnetostrictive Biosensor System

Zhang, Kewei (2010-12-09)

There is an urgent need for the detection technologies that can rapidly detect/monitor the presence of pathogens in food. Various detection technologies have recently been developed and investigated. Among these technologies, ...

Exploration of 3D Phage-Based Biomolecular Filter for Filtration of Foodborne Pathogens in Large Volume of Liquid Streams

Du, Songtao (2020-07-16)

A three-dimensional phage-based biomolecular filter (3D filter) was designed and developed to capture, concentrate, and isolate foodborne pathogens from large volume of liquid streams with high throughput, such as liquid ...

Fabrication and Characterization of Blends of P(VDF-CTFE) 91/9 and PMMA

Shen, Jialiang (2019-04-16)

Transparent and flexible polymer blends with a uniform thickness of films about 8 microns were successfully and simply fabricated by a spin-coating method. PMMA polymer and P(VDF-CTFE) 91/9 mol. % (VC91) copolymer were ...

Fundamental and Novel Applications of Electrocaloric Effect

Najmi, Farrukh (2020-07-23)

The discovery of materials with a giant electrocaloric (EC) coefficient in the last decade triggered the research community to explore the materials with high pyroelectric and electrocaloric coefficient that revived the ...

Gas Phase Desulfurization Using Regenerable Microfibrous Entrapped Metal Oxide Based Sorbents for Logistic PEM Fuel Cell Applications

Yang, Hongyun (2007-08-15)

This dissertation presents results of R&D efforts to develop a thin, low pressure drop, high efficiency zinc oxide based sorbent using glass fibrous media as carrier to remove gaseous sulfur compounds from reformates for ...

HfC Structural Foams Synthesized from Polymer Precursors

Fan, Haibo (2005-12-15)

A study was conducted to investigate a new low cost approach to produce Hafnium Carbide (HfC) structural foams through the thermolysis and pyrolysis of polymer precursors. Hafnium carbide has a melting point of over 3900?C, ...

High Dielectric Constant 0-3 Ceramic-Polymer Composites

Shan, Xiaobing (2009-07-28)

0-3 ceramic-polymer composites using both nano-size and micro-size CaCu3Ti4O12 ceramic particles were studied. The micro-size ceramic particles were prepared from the CaCu3Ti4O12 pellets by milling. The CaCu3Ti4O12 ceramics ...