Open AccessCommunication by Terrence J. Ravine 1,*, Jonathan O. Rayner 2, Rosemary W. Roberts 2, James H. Davis, Jr. 3 and Mohammad Soltani 3 1 Department of Biomedical Sciences, University of South Alabama, Mobile, AL 36688, USA 2 Department of Microbiology & Immunology, University of South Alabama, Mobile, AL 36688, USA 3 Department of Chemistry, University of South Alabama, Mobile, AL 36688, USA * Author to whom correspondence should be addressed. Appl. Biosci.