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https://doi.org/10.1021/la063420w

has been cited by the following article:

• TITLE: A Simple and “Green” Method for Synthesis of Magnetic Hollow Silica Spheres and Its 99Tcm Labeled Targeting Studies

  AUTHORS: Yicheng Liu, Xiazhang Li, Jen Sloppy, Yan Huang, Pingping Yao, Junya Yang, Yuxiang Yang

  KEYWORDS: A Simple and “Green” Method, Magnetic Hollow Silica Spheres, Magnetic Targeting, Iron Salts, Radioisotope 99Tcm

  JOURNAL NAME: Open Journal of Inorganic Chemistry, Vol.7 No.1, December 23, 2016

  ABSTRACT: The magnetic hollow silica spheres (MHSS) with uniform cavity size and shell thickness were prepared by a simple and “green” method using functionalized SiO2 spheres as templates. Magnetic particles (Fe3O4) were deposited on the SiO2 surface by varying the molar ratio of [Fe2+]/[Fe3+] and the molar concentration of iron salts. The obtained magnetic hollow silica spheres exhibited a super-paramagnetic behavior at room temperature. Scanning electron microscopy (SEM), transmission electron microscopy (TEM), and X-ray powder scattering (XRD) were applied to characterize the MHSS. Besides, their unit cell parameters are calculated according to results indexing to XRD, the MHSS sample prepared at 0.10 M iron salts and 2:1 molar ratio of [Fe2+]/[Fe3+] has a largest cell angle (β) of unit cell. Due to large hollow cavity space and super-paramagnetic characteristics, the inner amino-functionalized MHSS could be labeled with radioisotope 99Tcm to study the MHSS’s magnetic targeting distribution in vivo. These results indicate that the MHSS has potential in the magnetic targeted drug delivery system which reduces the damage to normal cells and improves the therapeutic effect of cancer.