About the Authors

Nikolaus M. Loening

loening@lclark.edu

Affiliation Chemistry Department, Lewis & Clark College, Portland, Oregon, United States of America

Zachary N. Wilson

Affiliation Chemistry Department, Lewis & Clark College, Portland, Oregon, United States of America

Pamela A. Zobel-Thropp

Affiliation Biology Department, Lewis & Clark College, Portland, Oregon, United States of America

Greta J. Binford

Affiliation Biology Department, Lewis & Clark College, Portland, Oregon, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: NML ZNW PAZ GJB. Performed the experiments: NML ZNW PAZ GJB. Analyzed the data: NML PAZ GJB. Contributed reagents/materials/analysis tools: NML ZNW PAZ GJB. Wrote the paper: NML PAZ GJB.