1. Environmental Corrosion Centre, Institute of Metal Research, Chinese Academy of Sciences, Shenyang, PR China;
2. University of Chinese Academy of Sciences, Beijing, PR China;
3. Department of Marine Biology, Akwa Ibom State University, Uyo, Nigeria;
4. School of Materials Science and Engineering, Northeastern University, Shenyang, PR China;
5. Sani-care Salon Products, Inc., Kennesaw, GA, USA