New technologies for chemical and biological analysis can be extremely impactful in society, from understanding detecting contaminants in water supplies to diagnosing disease. In our group we have focused on microfluidics and mass spectrometry. Microfluidic devices can be used to manipulate small amounts of fluid (~0.01-1 mL) at scales from 100 nm to 1 mm. We use surface acoustic wave (SAW) techniques to manipulate fluids, where SAW devices use the electromechanical coupling of piezoelectric materials to generate surface waves on piezoelectric crystal. When the wave interacts with a liquid, it can pump, mix, and spray the liquid. We also look at electrical actuation of fluids to form electrosprays, or the spray of micron-sized droplets by the application of high electric fields. We consider both DC and AC phenomena using high-speed imaging and electrical measurements. Active areas of interest are focused on developing integrated microfluidic devices for biological analysis. To learn more about the history of this effort, check out Prof. Go’s blog post.