A new study of the urinary proteome showed that Ciphergen's new Equalizer bead technology enabled researchers to discover about 250 proteins that had previously not been seen in urine.

The study, published last week in the online version of the Journal of Proteome Research, was a welcome spot of good news for Ciphergen. Earlier this week, the company said an internal investigation into second-quarter revenues caused it to postpone its third-quarter earnings report (see sidebar).