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Protein immobilization onto electrochemically synthesized CoFe nanowires
- Protein immobilization onto electrochemically synthesized CoFe nanowires
- Torati, SR[Torati, Sri Ramulu]; Reddy, V[Reddy, Venu]; Yoon, SS[Yoon, Seok Soo]; Kim, C[Kim, CheolGi]
- DGIST Authors
- Torati, SR[Torati, Sri Ramulu]; Reddy, V[Reddy, Venu]; Kim, C[Kim, CheolGi]
- Issue Date
- International Journal of Nanomedicine, 10, 645-651
- Article Type
- 3 Aminopropyltriethoxysilane; Biofunctionalization; Chemical Composition; Cobalt Iron Nanowire; Electrodeposition; N Hydroxysuccinimide; Nanowire; Physical Chemistry; Polycarbonate; Protein Immobilization; Streptavidin; Synthesis; Unclassified Drug
- CoFe nanowires have been synthesized by the electrodeposition technique into the pores of a polycarbonate membrane with a nominal pore diameter of 50 nm, and the composition of CoFe nanowires varying by changing the source concentration of iron. The synthesized nanowire surfaces were functionalized with amine groups by treatment with aminopropyltriethoxysilane (APTES) linker, and then conjugated with streptavidin-Cy3 protein via ethyl (dimethylaminopropyl) carbodiimide and N-hydroxysuccinimide coupling chemistry. The oxide surface of CoFe nanowire is easily modified with aminopropyltriethoxysilane to form an amine terminating group, which is covalently bonded to streptavidin-Cy3 protein. The physicochemical properties of the nanowires were analyzed through different characterization techniques such as scanning electron microscope, energy dispersive spectroscopy, and vibrating sample magnetometer. Fluorescence microscopic studies and Fourier transform infrared studies confirmed the immobilization of protein on the nanowire surface. In addition, the transmission electron microscope analysis reveals the thin protein layer which is around 12-15 nm on the nanowire surfaces. © 2015 Torati et al.
- Dove Medical Press Ltd.
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