A paper by a group led by project leader Takanori Ichiki, a professor at the University of Tokyo, has been published in Polymer Testing On-line
This paper describes the piezoelectric effect of nanofibers produced from polylactic acid with gap electrospinning method, a biodegradable plastic with potential applications in medical materials.
https://change.kawasaki-net.ne.jp/en/project/performance/1184