Universidad Complutense de Madrid
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Developing an efficient strategy for immobilization of PHB depolymerase on magnetite-based nanoparticles for degrading polyhydroxybutyrate in acidic conditions

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García Hidalgo, Javier y Acebal Sarabia, Carmen y Mata Riesco, Isabel de la y Arroyo Sánchez, Miguel (2017) Developing an efficient strategy for immobilization of PHB depolymerase on magnetite-based nanoparticles for degrading polyhydroxybutyrate in acidic conditions. Biocatalysis and Biotransformation . pp. 1-10. ISSN 1024-2422, ESSN: 1029-2446

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URL Oficial: http://www.tandfonline.com/doi/full/10.1080/10242422.2017.1315942



Resumen

Several approaches towards the efficient immobilization of poly-3-hydroxybutyrate (PHB) depolymerase from Streptomyces ascomycinicus (PhaZSa) on magnetic-silanized nanoparticles have been explored in order to accomplish the preparation of an active immobilized biocatalyst in PHB hydrolysis in acid conditions. A simple non-covalent adsorption of PhaZSa to silanized magnetic particles at acidic pH during a short incubation time allowed the preparation of immobilized biocatalysts with increased specific activity. In contrast, covalent binding of PhaZSa to silanized magnetite by different methods led to immobilized biocatalysts whose retained activity were low or void.


Tipo de documento:Artículo
Palabras clave:Streptomyces ascomycinicus; Polyhydroxybutyrate PHB depolymerase; Immobilization
Materias:Ciencias Biomédicas > Biología > Bioquímica
Código ID:44434
Depositado:01 Sep 2017 08:16
Última Modificación:04 Sep 2017 11:37

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