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Oceanogr. 28(1)</i>: 190-193. <a href=\"http://dx.doi.org/10.4319/lo.1983.28.1.0190\" target=\"_blank\">http://dx.doi.org/10.4319/lo.1983.28.1.0190</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Somville, M.; Billen, G.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Somville, M.; Billen, G.","Englishabstract":"A very sensitive method allowing determination of exoproteolytic activity in natural water is based on the use of aminoacyl-ß-naphthylamide, which gives rise to a fluorescent product upon hydrolysis of its peptidelike bond by filtered or unfiltered water samples. 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