About the Authors

Joseph W. O’Connor

Affiliation Department of Chemical Engineering, The Pennsylvania State University, University Park, Pennsylvania, United States of America

Esther W. Gomez

ewgomez@engr.psu.edu

Affiliations Department of Chemical Engineering, The Pennsylvania State University, University Park, Pennsylvania, United States of America, Department of Bioengineering, The Pennsylvania State University, University Park, Pennsylvania, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JWO EWG. Performed the experiments: JWO. Analyzed the data: JWO EWG. Wrote the manuscript: JWO EWG.