US – Page 132 – TechConnect Briefs

Parametric Study on the Effect of Radiation Heat Loss and Non-Constant Heating in the Electrothermal Technique for Thermal Property Measurement of Micro/Nanoscale Fibers

Xing C., Munro T., Jensen C., Ban H., Utah State University, US

This paper presents a parametric study of the effects of radiation heat loss and non-constant heating on the measurement accuracy of thermal properties of micro/nanoscale fibers using the Transient Electrothermal technique. In the original derivation, [...]

Characterizing Thermal Diffusivity of Synthetic Spider Silk using Improved Transient Electrothermal Technique

Munro T., Xing C., Jensen C., Copeland C., Ban H., Lewis R., Utah State University, US

This paper presents results for the thermal diffusivity of a synthetically produced spider silk. This synthetic spider silk is being developed for lightweight thermal management applications. Additionally, an improved method for measurement of the thermal [...]

Soybean meal nano scales resistant starch- model carbohydrates for encapsulation of bioactive compounds

Sivapragasam N., Petrović D., Thavarajaha P., Thavarajahc D., North Dakota State University, US

The research focus is on encapsulating materials like drugs and nutrients specifically for colon using resistant starch. As a representation a model system is developed by encapsulating glass bead and experimenting the suitability to be [...]

The distribution of engineered nanoparticles (ENPs) in municipal wastewater treatment systems

Choi S., Eichhorn J., Johnston M., Huang C.P., University of Delaware, US

The objective of this research was to develop a method reliable for the detection and quantification of engineered nanoparticles in municipal wastewater treatment systems. Wastewater and sludge samples were sampled from four regional municipal wastewater [...]

Impedance and Dielectric Spectroscopy of Nanoparticulate Films and Composites

Gerhardt R.A., Georgia Institute of Technology, US

This paper will describe the ways in which one can use impedance and dielectric spectroscopy for characterizing nanoparticulate thin films and composites. This technique is especially useful for these types of materials because it is [...]

Characterizing the Minimal Information about Nanomaterials and Bringing Data Together to Accelerate Discover

Ostraat M.L., Murry D., Mills K.C., Guzan K.A., RTI International, US

Nanomaterials are being widely incorporated into consumer products and are being used in studies and procedures to improve human health. Although there are benefits of using nanomaterials, there may also be unintended risks. There is [...]

Optimizing Instrument Operation and Data Processing for Single Particle Inductively Coupled Plasma Mass Spectrometry Measurement of Gold Nanoparticles

Liu J., Murphy K.E., MacCuspie R.I., Winchester M.R., National Institute of Standards and Technology, US

In recent years, inductively coupled plasma mass spectrometry (ICP-MS) operated in time-resolved analysis (TRA) mode has merged as a promising analytical tool capable of both sizing and counting metal containing nanoparticles in aqueous suspensions. In [...]

A Cathodoluminescence Study of InGaN/GaN Multiple Quantum Well and N type GaN Structures

Ramos F., Byrnes D., Lu F., Veeco Process Equipment, Inc, US

A systematic study of the V-pits in 4 periods of InGaN/GaN multiple quantum well structure (MQW) and defects in n type GaN is investigated by room temperature cathodoluminescence. These MQWs were fabricated on a sapphire [...]

Complex conductivity measurement of CNT/Polymer films using a non-contact microwave technique

Badi N., Kanakadandila V., Wosik J., Chouit F., Boukhezar S., Guellati O., Guerioune M., University of Houston, US

Carbon nanotubes (CNTs) reinforced composites have applications in electronics, optoelectronics, photovoltaic, sensors, structural materials, and energy storage systems. Electrical characteristics, such as alternating current (AC) complex conductivity and dielectric permittivity are key functional parameters of [...]

Modeling and Fabrication of Quantum Dot Channel (QDC) Field-Effect Transistors Incorporating Quantum Dot Gate

Kondo J., University of Connecticut, US

Quantum dot gate (QDG) field effect transistors (FET) have shown three-state transfer characteristics. Quantum dot channel (QDC) field-effect transistors (FET) have exhibited multi-state ID-VG characteristics. This paper aims at studying the effect of incorporating cladded [...]