Huixin He, PhD, assistant professor of chemistry at Rutgers-Newark will be the guest speaker at a Physics Department Seminar on Feb. 2, 12 noon-1 p.m. in Faculty Memorial Hall Rm. 408. "Fabrication of High Performance Conducting Polymer Nanocomposites for Biosensors and Flexible Electronics: Multiple Roles of DNA Dispersed and Functionalized Single Walled Carbon Nanotubes" is her topic.