A fluorescent peroxidase probe increases the sensitivity of commercial ELISAs by two orders of magnitude.

A. P. Acharya, P. M. Nafisi, A. Gardner, J. L. MacKay, K. Kundu, S. Kumar, and N. Murthy (2013). A fluorescent peroxidase probe increases the sensitivity of commercial ELISAs by two orders of magnitude. Chemical Communications 49: 10379-10381 (PDF).