Research
Biosensors
Piezoelectric Cantilever Sensor The piezoelectric cantilever sensor consists of a piezoelectric, e.g., PZT layer bonded to a nonpiezoelectric metal strip. Coating the cantilever surface with the antibody specific to a target antigen, we were able to detect the small mass change in the cantilever due to the binding of the target antigen to the antibody …
Environment
High Surface-Area Catalytic Oxides High surface-area powders are a critical component in many catalytic systems. The thermal stability of these ceramic powders is essential to the performance of catalytic systems. We have been studying the synthesis of oxide nanoparticles such as ZrO2, CeO2, Al2O3, SiO2, and MnOx with the aim of maintaining high surface area …
Material Processing
Colloidal Coating: A Novel Ceramic Processing Approach Aqueous colloidal processing has the advantages of controlling the interactions between particles and environmental friendliness. I have developed a colloidal coating method that modifies the surface of ceramic powders by nanolayering. The nanolayer coating serves multiple functions. It can enhance the chemical and thermal stability of the powders, …
Nanotechnology
Aqueous Synthesis of Nanocrystalline Semiconductors: Quantum Dots We have developed a direct synthetic method forproducing water soluble quantum dots (QDs) that are ready for bioconjugation. The method can produce aqueous QDs with wavelength varying from 400 nm to 700 nm. Highly luminescent metal sulfide (MS) QDs are produced in an aqueous synthesis route. MS QDs …