1. Sir Ian Potter NanoBioSensing Facility NanoBiotechnology Research Laboratory (NBRL) School of Science RMIT University Melbourne Victoria 3001 Australia
2. RMIT Microscopy & Microanalysis Facility (RMMF) College of Science, Engineering & Health RMIT University Melbourne Victoria 3001 Australia
3. Chemistry Department College of Science King Saud University Riyadh 11451 Saudi Arabia