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Paraoxonase activity in liver of Pacu, Piaractus mesopotamicus Holmberg (Charac...
Bastos,Vera Lucia F. Cunha; Folly,Evelize; Rossini,Ana; Ceccarelli,Paulo S.; Senhorini,José A.; Bastos,Jayme CunhaEnzymatic production of p-nitrophenol in liver of Piaractus mesopotamicus Holmberg, 1887 was consistently assayed at pH 8.5 using 7.5 mM paraoxon as substrate. This pacu liver paraoxonase activity was activated by NaCl. Apparent values of K M were 2.42 x 10-3 M in the presence of 0.5 M NaCl and 8.99 x 10-3 M without NaCl. Apparent maximum velocity values calculated in the absence and presence of 0.5 M NaCl were...
Date: 1998
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Origin: Oasisbr