FABRICATION OF HOLLOW PARTICLES COMPOSED OF SILICA CONTAINING GADOLINIUM COMPOUND AND MAGNETIC RESONANCE IMAGING USING THEM

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KOBAYASHI YOSHIO; MORIMOTO HIKARU; NAKAGAWA TOMOHIKO; KUBOTA YOHSUKE; GONDA KOHSUKE; OHUCHI NORIAKI

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Journal: JOURNAL OF NANOSTRUCTURE IN CHEMISTRY Year:2013 | Volume:3 | Issue:3 Page(s): 1-6

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Title

FABRICATION OF HOLLOW PARTICLES COMPOSED OF SILICA CONTAINING GADOLINIUM COMPOUND AND MAGNETIC RESONANCE IMAGING USING THEM

Author(s)

Keywords

HOLLOW

CORE-SHELL

PARTICLE

GADOLINIUM

HOMOGENEOUS PRECIPITATION METHOD

SILICA

SOL-GEL

MRI

Abstract

A preparation method for HOLLOW PARTICLEs composed of SILICA shell containing GADOLINIUM compound (GdC) is proposed. GdC nanoparticles with an average size of 40.5±6.2 nm were prepared with a HOMOGENEOUS PRECIPITATION METHOD at 80oC using 1.0´10-3 M Gd (NO3)3 and 0.5 M urea in the presence of 2.0´10-4 M ethylenediaminetetraacetic acid disodium salt dihydrate. SILICA-coated GdC (GdC/SiO2) nanoparticles with an average size of 100.9±9.9 nm were fabricated with a SOL-GEL method at 35°C using 5.0´10-3 M tetraethylorthosilicate, 11 M H2O, and 1.5´10-3 M NaOH in ethanol in the presence of 1.0´10-3 M GdC nanoparticles. The GdC/SiO2 PARTICLEs were aged at 80°C in water after replacement of solvent of the as-prepared GdC/SiO2 PARTICLE colloid solution with water, which provided diffusion of GdC into the SILICA shell and then formation of a HOLLOW structure. The HOLLOW PARTICLE colloid solution revealed good MRI properties. A relaxivity value for longitudinal relaxation time-weighted imaging was as high as 3.38 mM-1· s-1 that attained 80% of that for a commercial Gd complex contrast agent.

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APA: Copy

KOBAYASHI, YOSHIO, MORIMOTO, HIKARU, NAKAGAWA, TOMOHIKO, KUBOTA, YOHSUKE, GONDA, KOHSUKE, & OHUCHI, NORIAKI. (2013). FABRICATION OF HOLLOW PARTICLES COMPOSED OF SILICA CONTAINING GADOLINIUM COMPOUND AND MAGNETIC RESONANCE IMAGING USING THEM. JOURNAL OF NANOSTRUCTURE IN CHEMISTRY, 3(3), 1-6. SID. https://sid.ir/paper/333136/en

Vancouver: Copy

KOBAYASHI YOSHIO, MORIMOTO HIKARU, NAKAGAWA TOMOHIKO, KUBOTA YOHSUKE, GONDA KOHSUKE, OHUCHI NORIAKI. FABRICATION OF HOLLOW PARTICLES COMPOSED OF SILICA CONTAINING GADOLINIUM COMPOUND AND MAGNETIC RESONANCE IMAGING USING THEM. JOURNAL OF NANOSTRUCTURE IN CHEMISTRY[Internet]. 2013;3(3):1-6. Available from: https://sid.ir/paper/333136/en

IEEE: Copy

YOSHIO KOBAYASHI, HIKARU MORIMOTO, TOMOHIKO NAKAGAWA, YOHSUKE KUBOTA, KOHSUKE GONDA, and NORIAKI OHUCHI, “FABRICATION OF HOLLOW PARTICLES COMPOSED OF SILICA CONTAINING GADOLINIUM COMPOUND AND MAGNETIC RESONANCE IMAGING USING THEM,” JOURNAL OF NANOSTRUCTURE IN CHEMISTRY, vol. 3, no. 3, pp. 1–6, 2013, [Online]. Available: https://sid.ir/paper/333136/en

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