Not sure of your question, but if you're asking if controls (or test material where the value is already known) would be used in the POC the answer would have to be yes. Controls help ensure that the instrument is working correctly.
Controls can be run periodically, after a determined period of time passes, after a number of tests are run, for each new lot number, and/or for every test run. This depends on what the eventual trials reveal about the reliability and drift in the instrument.
Sepracor is getting closer to its fair price of what I guess is around $150 (this is what I think sepracor almost certainly would get to with levalbuterol alone in the next few years, probably a bit higher). Of course, I still think sepracor has very good potential to go much much higher.
Igen is way underpriced and probably should be over 100 also, but people have gotten distracted by the Roche fight. I think the other areas are finally getting to the point that people that don't follow Igen closely will have an easier time seeing the build up to a rapid increase in revenue. Remember when people had trouble seeing what was obvious with sepracor? I believe this continues to be the case with Igen even though we have seen over 5 times price increase, the new people following Igen still are mainly focused on the Roche deal. One notable exception is White Rock which has continued to build a position and are closing in on 15%, so maybe they are aiming for a board seat. Also Herriot at Montgomery.
I also still think Igen has more potential than sepracor. At this time, they are both up over 5 times from the buying point.
I wonder if White Rock is beginning to have a hard time finding shares lately. Small volumes are showing price volitility and it looks like they (or someone else) buy only when shares are available, and stop buying when price starts going up. Patience may continue to be needed, but Igen is still progressing faster than I had expected and their tech. advantage still looks to be genuine IMO.
I continue to look for other potentially competative testing methods and would appreciate any "leads" that I could check out. I have checked out several over the past few months, and they are limited.