Low Dose of X-Ray-Excited Long-Lasting Luminescent Concave Nanocubes in Highly Passive Targeting Deep-Seated Hepatic Tumors

Zheng Zhe Chen, Liu Chun Wang, Divinah Manoharan, Chin Lai Lee, Lai Chin Wu, Wan Ting Huang, Eng Yen Huang, Chia Hao Su, Hwo Shuenn Sheu, Chen Sheng Yeh

研究成果: Article同行評審

6 引文 斯高帕斯(Scopus)

摘要

Chromium-doped zinc gallate, ZnGa2O4:Cr3+ (ZGC), is viewed as a long-lasting luminescence (LLL) phosphor that can avoid tissue autofluorescence interference for in vivo imaging detection. ZGC is a cubic spinel structure, a typical agglomerative or clustered morphology lacking a defined cubic shape, but a sphere-like feature is commonly obtained for the nanometric ZGC. The substantial challenge remains achieving a well-defined cubic feature in nanoscale. The process by which dispersed and well-defined concave cubic ZGC is obtained is described, exhibiting much stronger LLL in UV and X-ray excitation for the dispersed cubic ZGC compared with the agglomerative form that cannot be excited using X-rays with a low dose of 0.5 Gy. The cubic ZGC reveals a specific accumulation in liver and 0.5 Gy used at the end of X-ray excitation is sufficient for imaging of deep-seated hepatic tumors. The ZGC nanocubes show highly passive targeting of orthotopic hepatic tumors.

原文English
文章編號1905087
期刊Advanced Materials
31
發行號49
DOIs
出版狀態Published - 2019 十二月 1

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

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