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Synthesis of Ni–Zn ferrite nanoparticles in radiofrequency thermal plasma reactor and their use for purification of histidine-tagged proteins

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Abstract

Superparamagnetic Ni–Zn ferrite nanoparticles were synthesized in radiofrequency thermal plasma reactor from aqueous solutions of Ni- and Zn-nitrates. The nanoparticles were studied for protein purification performance in both quantitative and qualitative terms. For comparison, experiments were also performed by Ni-charged affinity chromatography. It was proved that the Ni–Zn ferrite nanoparticles effectively purified histidine-tagged proteins with a maximum protein binding capacity of about 7% (w/w). Gel electrophoresis demonstrated better purification characteristics for magnetic nanoparticles than for affinity chromatography.

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Abbreviations

RF:

Radiofrequency

SDS-PAGE:

SDS polyacrylamide gel electrophoresis

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Acknowledgment

This work has been supported by the Hungarian Scientific Research Fund Grant No. T047360.

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Correspondence to Tivadar Feczkó.

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Feczkó, T., Muskotál, A., Gál, L. et al. Synthesis of Ni–Zn ferrite nanoparticles in radiofrequency thermal plasma reactor and their use for purification of histidine-tagged proteins. J Nanopart Res 10 (Suppl 1), 227–232 (2008). https://doi.org/10.1007/s11051-008-9429-5

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  • DOI: https://doi.org/10.1007/s11051-008-9429-5

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