I would like to visualize Nitric Oxide production in paraffin sections of mouse embryos. I was thinking of using DAF-FM DA from Molecular Probes. Has anyone had any luck(good)with this reagent? Thanks, Lin Linda(Lin) Bauer 985455 Nebraska Medical Center Omaha, NE 68198-5455 phone: (402) 559-2863 fax: (402) 559-4001 email: lkbauer <@t> unmc.edu