Lab and field tests have been conducted over the past six years by the University of Virginia’s School of Engineering and Applied Science and School of Medicine. Research to develop the MadiDrop® was supported by the National Science Foundation, the National Institutes of Health, the Bill and Melinda Gates Foundation, and the University of Venda in South Africa.
Organism |
Organism Initial Concentration |
Contact Time |
Reduction |
| E. coli | 107 cfu/100 mL | 8 hr | 4 log |
| Coliform bacteria | 104 cfu/100 mL | 8 hr | 4 log |
| Cryptosporidium parvum | 106 oocysts/100 mL | 24 hr | 90% |
| Giardia lamblia | 106 oocysts/100 mL | 24 hr | 90% |
| Aedes aegypti | 20 larvae/10L | 24 hr | 100% |
| Anopheles quadrimaculatus | 20 larvae/10 L | 24 hr | 100% |
