http://newsoffice.mit.edu/2014/a-paper-diagnostic-for-cancer-0224
The technology, developed by MIT professor and Howard Hughes Medical Institute investigator Sangeeta Bhatia, relies on nanoparticles that interact with tumor proteins called proteases, each of which can trigger release of hundreds of biomarkers that are then easily detectable in a patient’s urine
This could be modified for various other applications such as Ebola, malaria, Lassa fever, Dengue and by the Kenyan Health authority to detect contaminants like b-HCG in the Tetanus vaccines or other vaccines.
EbolaInfo 