US – Page 8 – TechConnect Briefs

Spectral Characterization of Tin Dioxide for Gas-Sensing Applications

Alghamdi H., Concepcion B., Baliga S., Misra P., Howard University, US

Thin films and powder samples of tetragonal tin dioxide (SnO2) on UV quartz and silicon wafers, created through radio frequency (RF) sputtering in an oxygen/argon mixed atmosphere, have been prepared and characterized spectroscopically. These thin [...]

Thermal-resistant Plastic Composites for Industrial Applications: Processing and Properties

Zhong S., Rutkevičicus M., Stoner C., ABB US Research Center, US

Intumescent thermoplastic composites have found wider applications in recent years thanks to their excellent thermal- resistant performance, low cost and high compatibility in mass production, such as injection molding. A series of intumescent polymer composites [...]

New Nano Solid Based on Carbon Nanomaterials-Nanoparticle through Aqueous Solutions

Hong H., Younes H., Grablander T., Bailey C., Novum Nano, US

A better understanding of the bonding and aggregation processes occurring between carbon nanomaterials and metal oxide particles in aqueous solutions is important in developing novel nanosolids for applications in sensor development, highly conductive paint nanotube [...]

Large scale Manufacturing of Calcium Phosphate Nanoparticles for Medical Applications

Panagiotou T., Delphi Scientific, US

Calcium phosphate (CaP) nanoparticles find medical applications in a number of areas, including delivery of nucleic acid therapeutics and calcium-based tissue engineering. CaP is well-studied biocompatible, bioactive, and bioabsorbable material and is used extensively in [...]

Flame-based Aerosol Synthesis of Metal Nanoparticles and Supported-Metal Nanostructures

Liu S., Swihart M.T., University at Buffalo (SUNY), US

Commercialization of inorganic nanomaterials is often limited by scale-up. Our group developed a unique flame- based aerosol process for scalable, continuous, and low-cost production of various nanomaterials, the High Temperature Reducing Jet (HTRJ) Reactor. Over [...]

On the Ideal Diamagnetism of Composite Graphene and Graphite Nanostructures

Rzhevskii A., Chahid S., Dulal R., Teknowijoyo S., Gulian A., Thermo Fisher Scientific, US

Graphite and its derivatives such as graphene have demonstrated many unique properties that are still un- der intense exploration. In particular, these properties are important for microelectronics applications. In our case it was ideal diamagnetism [...]

Impact of Coal-Borne Impurities on Coal-Derived Graphene Quantum Dots

Azenkeng A., Stanislowski N.E., Laumb J.D., University of North Dakota Energy & Environmental Research Center, US

The impact of coal-borne impurities on coal-derived graphene quantum dots (GQDs) has been investigated on four U.S. coal ranks: lignite, subbituminous, bituminous, and anthracite. Preliminary characterization of the GQDs has been done using ultraviolet-visible spectroscopy [...]

Enhanced Corrosion Detection By Means of Multispectral Imaging and Postprocessing Techniques

Giegerich W.V., Fedorishin D.C., Forte III L., Christie L., Schneider P.J., Oh K.W., University at Buffalo, US

This research focuses on the implementation of an enhanced corrosion detection algorithm using multispectral imaging techniques and post-processing image filters. Utilizing various combinations of light filters with image enhancement software, we are able to increase [...]

Vascular Test Phantom Metrology For Use In Photoacoustic Applications

Christie L.B., Schneider P., Oh K.W., University at Buffalo, US

The field of photoacoustics is increasing as new discoveries are being made showing potential for a system that is capable of higher resolution medical imaging, noninvasive vital monitoring, and cancer diagnostics. This research focuses on [...]

Post-Process Superfinishing Of Additively Manufactured Components For Next-Gen Space Application: A Primer On The Implementation Of Metal Additive Manufacturing, Its Promises And Challenges, And The Need For Novel Superfinishing Technology

Michaud N.B., REM Surface Engineering, US

Growing adoption of Metal Additive Manufacturing (AM) technologies promises revolutionary beneficial changes in manufacturing, however, in many industries, particularly industries such as Aerospace (with complex qualifying standards), challenges in the form of various defects/flaws (both [...]