International Journal of Nanomedicine 2015-01-01

Silica nanoparticle-based dual imaging colloidal hybrids: cancer cell imaging and biodistribution.

Haisung Lee, Dongkyung Sung, Jinhoon Kim, Byung-Tae Kim, Tuntun Wang, Seong Soo A An, Soo-Won Seo, Dong Kee Yi

文献索引：Int. J. Nanomedicine 10 Spec Iss , 215-25, (2015)

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摘要

In this study, fluorescent dye-conjugated magnetic resonance (MR) imaging agents were investigated in T mode. Gadolinium-conjugated silica nanoparticles were successfully synthesized for both MR imaging and fluorescence diagnostics. Polyamine and polycarboxyl functional groups were modified chemically on the surface of the silica nanoparticles for efficient conjugation of gadolinium ions. The derived gadolinium-conjugated silica nanoparticles were investigated by zeta potential analysis, transmission electron microscopy, inductively coupled plasma mass spectrometry, and energy dispersive x-ray spectroscopy. MR equipment was used to investigate their use as contrast-enhancing agents in T1 mode under a 9.4 T magnetic field. In addition, we tracked the distribution of the gadolinium-conjugated nanoparticles in both lung cancer cells and organs in mice.

相关化合物

  • 正己烷
  • 元明粉
  • 二氯甲烷
  • 二甲基亚砜
  • 3-缩水甘油醚氧基丙...
  • 乙酸乙酯
  • 碳酸氢钠
  • 4',6-二脒基-2-苯基...
  • 三(叔-五氧代)硅烷...

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