Fluorescent brightener 28-coated Fe3O4 nanoparticles: Synthesis, characterization, and fluorescent properties

Tirusew Tegafaw; Wenlong Xu; Md Wasi Ahmad; Miao Xu; Yongmin Chang; Kwon Seok Chae; Tae Jeong Kim; Gang Ho Lee

doi:10.1166/jnn.2016.13275

Fluorescent brightener 28-coated Fe₃O₄ nanoparticles: Synthesis, characterization, and fluorescent properties

Tirusew Tegafaw, Wenlong Xu, Md Wasi Ahmad, Miao Xu, Yongmin Chang, Kwon Seok Chae, Tae Jeong Kim, Gang Ho Lee

Kyungpook National University

Research output: Contribution to journal › Article › peer-review

3 Scopus citations

Abstract

Nearly monodisperse Fe₃O₄ nanoparticles (d_avg = 20 ± 1 nm) were synthesized in an aqueous phase under an argon flow, and then coated with fluorescent brightener (FB) 28. The Fe₃O₄ nanoparticles were superparamagnetic, with large saturation magnetizations of 54.1 emu/g at 5 K and 48.5 emu/g at 300 K. The FB-28-coated Fe₃O₄ nanoparticles showed a strong fluorescence maximum (λ_max) at 435 nm, and also gave strongly fluorescent confocal images in both the green and blue regions, because of the FB 28 coated on the nanoparticles. These magnetic and optical properties will be useful in various biomedical applications.

Original language	English
Pages (from-to)	10986-10990
Number of pages	5
Journal	Journal of Nanoscience and Nanotechnology
Volume	16
Issue number	10
DOIs	https://doi.org/10.1166/jnn.2016.13275
State	Published - Oct 2016

Keywords

FeO nanoparticle
Fluorescent brightener 28
Nearly monodisperse
Superparamagnetic

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10.1166/jnn.2016.13275

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abstract = "Nearly monodisperse Fe3O4 nanoparticles (davg = 20 ± 1 nm) were synthesized in an aqueous phase under an argon flow, and then coated with fluorescent brightener (FB) 28. The Fe3O4 nanoparticles were superparamagnetic, with large saturation magnetizations of 54.1 emu/g at 5 K and 48.5 emu/g at 300 K. The FB-28-coated Fe3O4 nanoparticles showed a strong fluorescence maximum (λmax) at 435 nm, and also gave strongly fluorescent confocal images in both the green and blue regions, because of the FB 28 coated on the nanoparticles. These magnetic and optical properties will be useful in various biomedical applications.",

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T2 - Synthesis, characterization, and fluorescent properties

AU - Tegafaw, Tirusew

AU - Xu, Wenlong

AU - Ahmad, Md Wasi

AU - Xu, Miao

AU - Chang, Yongmin

AU - Chae, Kwon Seok

AU - Kim, Tae Jeong

AU - Lee, Gang Ho

PY - 2016/10

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AB - Nearly monodisperse Fe3O4 nanoparticles (davg = 20 ± 1 nm) were synthesized in an aqueous phase under an argon flow, and then coated with fluorescent brightener (FB) 28. The Fe3O4 nanoparticles were superparamagnetic, with large saturation magnetizations of 54.1 emu/g at 5 K and 48.5 emu/g at 300 K. The FB-28-coated Fe3O4 nanoparticles showed a strong fluorescence maximum (λmax) at 435 nm, and also gave strongly fluorescent confocal images in both the green and blue regions, because of the FB 28 coated on the nanoparticles. These magnetic and optical properties will be useful in various biomedical applications.

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KW - Fluorescent brightener 28

KW - Nearly monodisperse

KW - Superparamagnetic

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Fluorescent brightener 28-coated Fe₃O₄ nanoparticles: Synthesis, characterization, and fluorescent properties

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Keywords

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