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Type: Artigo de periódico
Title: Copper Fractionation In Proteins From Plasma, Muscle And Liver Of Nile Tilapia [fracionamento De Cobre Em Proteínas Do Plasma, Músculo E Fígado De Tilápia Do Nilo]
Author: Neves R.C.F.
Lima P.M.
Baldassini W.A.
Santos F.A.
Moraes P.M.
Castro G.R.
Padilha P.M.
Abstract: Copper fractionation in plasma, muscle and liver of Nile tilapia was performed after protein separation by 2D-PAGE. SR XRF analysis indicated the presence of copper in three protein spots of plasma, and in two protein spots of muscle and liver, respectively. Copper ions were found to be distributed mostly in proteins that had a molar mass of less than 54 kDa and greater than 13 kDa and a pI in the 5.3-9.3 range. The copper concentration bound to these proteins was determined by GFAAS which showed concentrations in the 1.20-4.82 mg g -1 range.
Rights: aberto
Identifier DOI: 10.1590/S0100-40422012000300010
Date Issue: 2012
Appears in Collections:Unicamp - Artigos e Outros Documentos

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