Preparation of an affinity cryogel column for lysozyme purification
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Acesso aberto
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Abstract
Affinity cryogels were synthesized using tris(hydroxymethyl)aminomethane (Tris) as ligand for specific interactions with the lysozyme (LYZ). The cryogel was produced by cryo-copolymerization at −12°C. A central composite rotational design 22 was used to optimize the immobilization procedure of the Tris on the cryogel. A maximum adsorption for LYZ (149.5 mg/g) was achieved when 376 mg/mL of Tris and 3.06 mol/L of sodium borohydride were used during the Tris immobilization. Chromatographic separation of LYZ from chicken egg white was done with a purity of 92.13%. Results showed that the affinity cryogel was a potential separation medium for LYZ purification.
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Adsorption, affinity chromatography, cryogel, lysozyme, Tris
Language
English
Citation
Separation Science and Technology (Philadelphia), v. 52, n. 12, p. 1973-1982, 2017.
