Valencia Joyner Koomson ’98, MNG ’99 is a Visiting MLK Scholar in MIT’s Department of Electrical Engineering and Computer Science. Based at Tufts University, where she is an associate professor in the Department of Electrical and Computer Engineering, Koomson has focused her research on microelectronic systems for cell analysis and biomedical applications. Here, she shares more about her work and the future of her field. Q: What big question does your research seek to answer? Put another way, what set of problems are you most interested in solving? A: I’m…