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Ferromagnetic microdisks as carriers for biomedical applications
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View: Figures


Image of FIG. 1.
FIG. 1.

The scanning electron microscopy images of a patterned resist structure (left) before the resist removal and an assembly of fabricated particles (right) with diameter of .

Image of FIG. 2.
FIG. 2.

The magnetization hysteresis loop measured for a dry powder sample of disks ( in diameter and in thickness) fabricated using conventional optical lithography technique.

Image of FIG. 3.
FIG. 3.

The laser beam intensity passing though an aqueous disk suspension ( disks per ) modulated by an external magnetic field. The field strength is ; pulse duration is .

Image of FIG. 4.
FIG. 4.

Optical (a) and fluorescent (b) microscope images of diluted samples taken at the wavelength of emission maxima of fluorescein .

Image of FIG. 5.
FIG. 5.

Scheme of functionalization of the disks with IgG. First, thiolate group(s) were introduced into the antibody through a reaction of side epsilon-amino groups with SATA. Then the acetyl group of SATA linker was cleaved with hydroxylamine, and the SH-IgG spontaneously reacted with the gold surface of the disks.

Image of FIG. 6.
FIG. 6.

FTIR spectra of as-microfabricated and FITC-IgG functionalized magnetic disks.


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Ferromagnetic microdisks as carriers for biomedical applications