Title : Immobilization of lactoperoxidase on Fe3O4 magnetic nanoparticles with improved stability.

Pub. Date : 2019 Dec

PMID : 31612334






16 Functional Relationships(s)
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1 Immobilization of lactoperoxidase on Fe3O4 magnetic nanoparticles with improved stability. ferryl iron lactoperoxidase Homo sapiens
2 OBJECTIVE: The study aimed to develop a facile and effectual method to increase the stability of lactoperoxidase (LPO) by using its immobilization on Fe3O4 magnetic nanoparticles (Fe3O4 MNPs). ferryl iron lactoperoxidase Homo sapiens
3 OBJECTIVE: The study aimed to develop a facile and effectual method to increase the stability of lactoperoxidase (LPO) by using its immobilization on Fe3O4 magnetic nanoparticles (Fe3O4 MNPs). ferryl iron lactoperoxidase Homo sapiens
4 OBJECTIVE: The study aimed to develop a facile and effectual method to increase the stability of lactoperoxidase (LPO) by using its immobilization on Fe3O4 magnetic nanoparticles (Fe3O4 MNPs). ferryl iron lactoperoxidase Homo sapiens
5 OBJECTIVE: The study aimed to develop a facile and effectual method to increase the stability of lactoperoxidase (LPO) by using its immobilization on Fe3O4 magnetic nanoparticles (Fe3O4 MNPs). ferryl iron lactoperoxidase Homo sapiens
6 RESULTS: The successful immobilization of LPO on Fe3O4 MNPs was confirmed by using Fourier transform infrared spectroscopy (FT-IR) and field emission scanning electron microscopy (FE-SEM). ferryl iron lactoperoxidase Homo sapiens
7 The Km values of free LPO and LPO immobilized on Fe3O4 were 53.19, 72.46 mM and their Vmax values were 0.629, 0.576 micromol/mL min respectively. ferryl iron lactoperoxidase Homo sapiens
8 The Km values of free LPO and LPO immobilized on Fe3O4 were 53.19, 72.46 mM and their Vmax values were 0.629, 0.576 micromol/mL min respectively. ferryl iron lactoperoxidase Homo sapiens
9 The LPO immobilized on Fe3O4 (LPO- Fe3O4) retained 28% of the initial activity within 30 days at 25 C whereas the free enzyme lost its activity after 7 days at the same temperature. ferryl iron lactoperoxidase Homo sapiens
10 The LPO immobilized on Fe3O4 (LPO- Fe3O4) retained 28% of the initial activity within 30 days at 25 C whereas the free enzyme lost its activity after 7 days at the same temperature. ferryl iron lactoperoxidase Homo sapiens
11 The LPO immobilized on Fe3O4 (LPO- Fe3O4) retained 28% of the initial activity within 30 days at 25 C whereas the free enzyme lost its activity after 7 days at the same temperature. ferryl iron lactoperoxidase Homo sapiens
12 The LPO immobilized on Fe3O4 (LPO- Fe3O4) retained 28% of the initial activity within 30 days at 25 C whereas the free enzyme lost its activity after 7 days at the same temperature. ferryl iron lactoperoxidase Homo sapiens
13 Moreover, evaluation of the thermal stability of LPO at 75 C determined the conservation of 19% of the initial activity of LPO in the LPO- Fe3O4 sample after 60 min whereas the free enzyme lost its activity after 5 min. ferryl iron lactoperoxidase Homo sapiens
14 Moreover, evaluation of the thermal stability of LPO at 75 C determined the conservation of 19% of the initial activity of LPO in the LPO- Fe3O4 sample after 60 min whereas the free enzyme lost its activity after 5 min. ferryl iron lactoperoxidase Homo sapiens
15 Moreover, evaluation of the thermal stability of LPO at 75 C determined the conservation of 19% of the initial activity of LPO in the LPO- Fe3O4 sample after 60 min whereas the free enzyme lost its activity after 5 min. ferryl iron lactoperoxidase Homo sapiens
16 CONCLUSIONS: According to the present results, Fe3O4 magnetic nanoparticles are suitable for the immobilization of LPO. ferryl iron lactoperoxidase Homo sapiens