Browsing by Author "Chin, Bryan"

Now showing items 1-19 of 19

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 ...

A Chemiresistor Sensor Array for Insect Infestation Detection

Weerakoon, Kanchana (2012-05-03)

Plants emit volatile organic compounds as a defensive mechanism to protect themselves from insects and pathogens. These volatile organic chemicals, also known as phytochemicals, are given off during the early stages of ...

Detection of Biological Pathogens Using Multiple Wireless Magnetoelastic Biosensors

Shen, Wen (2011-03-29)

A number of recent, high-profile incidences of food-borne illness spreading through the food supply and the use of anthrax by terrorists after the September 11, 2001 attacks have demonstrated the need for new technologies ...

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 Analytical Systems for Detection of Biomarkers and Neurotoxic Exposure

Zhou, Lang (2019-04-23)

Exposure to the chemical and biological compounds in environment poses a serious health threat to humanity. Timely awareness of the chemicals in environment plays a vital role in exposure assessment, damage control, and ...

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 ...

Explosive Spin Compaction of Ceramic Nanoparticles

Ravichandran, Sadhwi (2017-11-27)

A new technique for explosive compaction was introduced known as explosive spin compaction. Neodymium iron boron and Barium Titanate were studied before and after spin explosive compaction using SEM, XRD and vibrating ...

Functional Durability Of A Quartz Crystal Microbalance Sensor For The Rapid Detection Of Salmonella In Liquids From Poultry Packaging

Olsen, Eric (2000-08-15)

Foodborne disease causes an estimated 4 to 76 million cases of food poisoning with 5,000 associated deaths annually in the United States at a cost of $6.5 –34.9 billion. In poultry products, Salmonella is the most common ...

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, ...

Investigation of binding of Bacteriophage and Staphylococcus aureus using Magnetoelastic Biosensor

Hiremath, Nitilaksha (2013-01-03)

Consumption of bacteria-contaminated food products results in illness, hospitalization and even deaths and researchers have been making efforts in finding a way for early detection of pathogenic bacteria, such as Staphylococcus ...

Investigation of the Mechanical Behavior of Freestanding Polycrystalline Gold Films Deposited by Evaporation

Wang, Liwei (2007-08-15)

The Membrane Deflection Experiment was employed to perform the micro-tensile testing on freestanding polycrystalline gold thin films. Films with varying thickness of 0.25 µm, 0.50 µm and 1.00 µm were deposited on Si ...

Low-Cost, Rapid, Sensitive Detection of Pathogenic Bacteria Using Phage-Based Magnetoelastic Biosensors

Horikawa, Shin (2013-04-05)

As part of the ongoing efforts to secure food safety as well as to guard against possible bioterrorism, the role of pathogen detection technologies has become vital. However, conventional and standard detection methods, ...

Numerical simulation and mechanical properties of free-standing silver thin films

Qian, Feng (2006-12-15)

Membrane deflection test is well studied to investigate the mechanical properties for polycrystalline metal thin films. Numerical simulations by ANSYS software of membranes with different bottom window sizes show the ...

Passive Chemiresistor Sensor Based on Iron (II) Phthalocyanine Thin Films for Monitoring of Nitrogen Dioxide

Shu, John Hungjen (2010-12-09)

Nitrogen dioxide gas is a common atmospheric pollutant that is hazardous to human health at concentrations as low as one part per million (ppm). Iron (II) phthalocyanine (FePc) thin films have been identified to be sensitive ...

Phage-Based Magnetoelastic Sensor for the Detection of Salmonella typhimurium

Lakshmanan, Ramji (2008-12-15)

In recent years, food-borne illness have garnered the attention of mainstream America with calls now coming from the media for more inspections to ensure the safety of our food supply. Food borne illness from the ingestion ...

A Remote Magnetoelastic Sensor with Antibody as a Probe to Detect Salmonella Typhimurium

Guntupalli, Rajesh (2007-05-15)

Every year millions of people around the globe suffer from foodborne illnesses as a result of the ingestion of food products contaminated with pathogens. Foodborne illnesses not only result in suffering and permanent ...

Simultaneous Detection of Salmonella Typhimurium and Bacillus Anthracis Spores Using Remote Phage-Based Magnetoelastic Microbiosensors

Huang, Shichu (2010-01-05)

This dissertation discusses the results of a study to develop a free standing, magnetoelastic (ME) biosensor for the detection of S. typhimurium and B. anthracis spores. This affinity-based biosensor is composed of ME ...

A Study in Capture Capability of E2 Phage, Thiolated E2 Phage, and Anti-Salmonella Antibody for Salmonella Using Magnetoelastic Biosensor Platform

Xi, Jianguo (2018-08-02)

The magnetoelastic biosensor platform is a superior method that can improve food safety and protect from possible bioterrorism versus conventional culture, nucleic acid-, and immunology-based methods due to low cost, ...

Tin oxide sensors for insect infestation detection

Teng, Junpin (2009-10-02)

Agriculture suffers a significant loss every year due to pests. Early detection of insect infestation is important to reduce that kind of loss. Plants emit volatile organic compounds whose composition will change after the ...