Several steps in the current test are difficult or inconclusive, ... You can imagine that with so many proteins in urine, the level of EPO you're trying to detect is very small. With our [initial] grant we did a proof of concept showing that the two-dimensional separation was more reliable. We also found that the antibody used in the current test will sometimes pick up other proteins.  -   Nicolle Packer     Quotes
Several steps in the current test are difficult or inconclusive, ... You can imagine that with so many proteins in urine, the level of EPO you're trying to detect is very small. With our [initial] grant we did a proof of concept showing that the two-dimensional separation was more reliable. We also found that the antibody used in the current test will sometimes pick up other proteins. Nicolle Packer