title: Quantitative tear lysozyme assay: a new technique for transporting specimens.
abstract: We have developed a method for assaying the concentration of tear lysozyme using eluates of tear fluid collected on filter paper discs. Specimens can be stored and transported to remote laboratories for assay. We have shown that the 'indirect' or eluate method gives statistically comparable results to the 'direct' method using fresh, neat tear fluid.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000907:Antibodies, Bacterial / Q000032:analysis; D001681:Biological Assay / Q000379:methods; D002648:Child; D006801:Humans; D007637:Keratoconjunctivitis / Q000201:enzymology; D008875:Middle Aged; D009113:Muramidase / Q000032:analysis*; D013048:Specimen Handling / Q000379:methods*; D013666:Tears / Q000201:enzymology* / Q000276:immunology; D014186:Transportation; D014985:Xerophthalmia / Q000201:enzymology
chemical_list: D000907:Antibodies, Bacterial; D009113:Muramidase