About the Authors

Richard A. Heins

Contributed equally to this work with: Richard A. Heins, Jay H. Choi

Current address: Sandia National Laboratories, Biomass Science and Conversion Technology Department, Livermore, California, United States of America

Affiliation Department of Chemical & Biomolecular Engineering, Johns Hopkins University, Baltimore, Maryland, United States of America

Jay H. Choi

Contributed equally to this work with: Richard A. Heins, Jay H. Choi

Affiliation Department of Chemical & Biomolecular Engineering, Johns Hopkins University, Baltimore, Maryland, United States of America

Takayuki Sohka

Current address: Central R&D Laboratories, Asahi Kasei Corporation, Fuji, Shizuoka, Japan

Affiliation Department of Chemical & Biomolecular Engineering, Johns Hopkins University, Baltimore, Maryland, United States of America

Marc Ostermeier

oster@jhu.edu

Affiliation Department of Chemical & Biomolecular Engineering, Johns Hopkins University, Baltimore, Maryland, United States of America

Competing Interests

This study was partly funded by a gift from Asahi Kasei Corporation. There are currently pending patents, but no other products in development or marketed products to declare. This does not alter the authors' adherence to all the PLoS ONE policies on sharing data and materials, as detailed online in the guide for authors.

Author Contributions

Conceived and designed the experiments: RAH JHC TS MO. Performed the experiments: RAH JHC. Analyzed the data: RAH JHC MO. Wrote the paper: RAH JHC MO.