SEARCH Articles Figures Tables Luminescence of a partially purified sample of Symplectoteutbis lurni-nosa photoprotein measured with 20 pi of the photoprotein sample in 1 ml of 20 mM Tris-HCl buffer, pH 8.0, containing 0.6 M NaCl.a All at 20 C. [Publishers Imprint] [Publishers Imprint]