TY - JOUR TT - Oreochromis niloticus'un solungaç ve kas dokularında civanın bazı enzimlere etkisi AU - Firidin, Gülbin PY - 2017 DA - June DO - 10.12714/egejfas.2017.34.2.03 JF - Ege Journal of Fisheries and Aquatic Sciences JO - EgeJFAS PB - Ege Üniversitesi WT - DergiPark SN - 2148-3140 SP - 133 EP - 137 VL - 34 IS - 2 KW - Oreochromis niloticus KW - gill KW - muscle KW - mercury KW - enzyme N2 - Akuatik ekosistemler üzerine metallerin toksik etkileribalıklarda enzim aktivitelerinin ölçülmesiyle değerlendirilebilmektedir. Buçalışmada civanın (Hg) Oreochromisniloticus (Linnaeus, 1758)'un solungaç ve kas dokularında asetilkolinestraz(AChE), glutatyon peroksidaz (GPx) ve glutamik piruvat transaminaz (GPT)aktivitelerine etkisi incelenmiştir. Balıklar 7 ve 21 günlük sürelerle 0,1 ve0,01 ppm Hg konsantrasyonlarının etkisine maruz bırakılmıştır. Dokuların enzimaktiviteleri ultraviyole spektrofotometrik yöntem ile belirlenmiştir. 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