Immobilization of peroxidase onto magnetite modified polyaniline
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2012
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The present study describes the immobilization of horseradish peroxidase (HRP) on magnetite-modified polyaniline (PANImG)
activated with glutaraldehyde. After the optimization of the methodology, the immobilization of HRP on PANImG produced the
same yield (25%) obtained for PANIG with an efficiency of 100% (active protein). The optimum pH for immobilization was
displaced by the effect of the partition of protons produced in the microenvironment by the magnetite. The tests of repeated use
have shown that PANImG-HRP can be used for 13 cycles with maintenance of 50% of the initial activity.
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BARBOSA, Eduardo Fernandes et al . Immobilization of peroxidase onto magnetite modified polyaniline. The Scientific World Journal, London, v. 2012, p. 1-5, 2012.