Figures & data
Figure 1 Schematic representation of streptavidin-Cy3 protein immobilization on CoFe nanowires.
Abbreviations: APTES, aminopropyltriethoxysilane; EDC, ethyl (dimethylaminopropyl) carbodiimide; NHS, N-hydroxysuccinimide; PBS, phosphate-buffer saline.
Figure 2 FE-SEM image of dispersed CoFe nanowires and EDS spectrum of CoFe nanowires.
Notes: (A) FE-SEM image. (B) EDS spectrum.
Abbreviations: EDS, energy dispersive spectroscopy; FE-SEM, field emission scanning electron microscopy.
Table 1 The magnetic properties and composition of CoFe nanowires by varying the source concentration of Co and Fe in electrolyte bath
Figure 3 Magnetic properties of CoFe nanowires with different ratios of Co and Fe.
Figure 4 Bright-field fluorescence images of nanowires.
Notes: (A) Bright-field image of nanowires treated with APTES and streptavidin-Cy3; (B) fluorescence image of (A); (C) bright-field image of nanowires without treating with APTES; (D) fluorescence image of (C) after treating with streptavidin-Cy3.
Abbreviation: APTES, aminopropyltriethoxysilane.
Figure 5 Field emission-transmission electron microscopy images of nanowires.
Notes: (A) Streptavidin-Cy3 protein-immobilized nanowire surfaces. (B) Bare CoFe nanowire surface.
Figure 6 FT-IR spectra.
Notes: FT-IR spectra of (A) nanowires and (B) nanowires immobilized with streptavidin-Cy3 protein.
