The Posner Research Group’s (PRG) focus is micro- and nano scale transport physics at the interface of chemistry, materials, & biology. Our research has applications spanning energy, medicine, and the environment. Specific research topics include microfluidics and nanofluidic devices, colloidal science and interactions at fluid and solid interfaces, synthetic nanomotors, environmental and health impact of engineered nanomaterials, electrokinetics, low Reynolds number fluid instabilities, and fuel cells.