Only a Beginning Microbiologists and water quality professionals say that research on Cryptosporidium is complicated and still at an early stage, and that technology that may work for large water utilities may not work for small ones. But given the absence of consensus and information on dealing with crypto, they guardedly call the NFMC's technique promising. The force of gravity. A modified centrifuge could vastly improve the way Cryptosporidium is detected in water samples because it separates the water components by specific gravity, avoiding many of the problems associated with traditional filtration techniques. But a good method of concentrating oocysts doesn't solve all our problems.
Concentration is one of many steps.
The expense and portability of the NFMC's centrifuge also troubles some researchers. And there are 67,000 water systems in the U.S. that can't afford it. Another worry, researchers say, is the low speed of the channel-type centrifuge. You can collect 100 liters in less than 30 minutes with the present method. If you could scale the flow up to liters per minute, the continuous centrifugation methods could be more acceptable.