1. Biomedical Engineering Program, the University of South Dakota 4800 N. Career Avenue, Sioux Falls, South Dakota 57107, USA
2. Biomedical Engineering Program, the University of South Dakota 4800 N. Career Avenue, Sioux Falls, South Dakota 57107, USA,
3. Department of Chemistry, South Dakota School of Mines and Technology 501 East St. Joseph Street, Rapid City, South Dakota 57701, USA