Sulfanilamide Modified Magnetic Nanoparticles for Purification of Carbonic Anhydrase from Bovine Blood
Applied Biochemistry and Biotechnology(2022)
摘要
Magnetic nanoparticles (MNPs) have been used for purification of specific biomolecules form mixtures. The aim of this study is to develop a new, cheap, reusable, and magnetic-based material to purify the carbonic anhydrase (CA) enzyme in a short time with high efficiency. In the first part of this study, silica-coated iron oxide magnetic nanoparticles (Fe 3 O 4 @SiO 2 MNPs) were obtained. Surface modification of Fe 3 O 4 @SiO 2 MNPs was accomplished with 3-(4-Hydroxyphenyl) propionic acid (PA) and sulfanilamide (SA), respectively. SA is a selective inhibitor of CA, and it selectively binds to CA. The final particle was named Fe 3 O 4 @SiO 2 -PA-SA MNPs and characterized by SEM, TEM, XRD, and FT-IR. It was determined that the produced MNPs contained multicore, were smaller than 100 nm in size, and had a spherical morphology. The CA was purified from bovine blood hemolysate in a short time such as 2.5 h and in a simple manner. The maximum enzyme purifying capacity of MNPs was calculated as 13.87 ± 3.27 mg CA/g MNP. SDS-PAGE analysis was confirmed that high CA purification success was achieved.
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关键词
Purification,Magnetic nanoparticles,Carbonic anhydrase
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