Bone disease imaging through the near-infrared-II window

Chao Mi (), Xun Zhang, Chengyu Yang, Jianqun Wu, Xinxin Chen, Chenguang Ma, Sitong Wu, Zhichao Yang, Pengzhen Qiao, Yang Liu, Weijie Wu, Zhiyong Guo, Jiayan Liao, Jiajia Zhou, Ming Guan, Chao Liang (), Chao Liu () and Dayong Jin ()
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Chao Mi: Southern University of Science and Technology
Xun Zhang: Southern University of Science and Technology
Chengyu Yang: Southern University of Science and Technology
Jianqun Wu: Southern University of Science and Technology
Xinxin Chen: Southern University of Science and Technology
Chenguang Ma: Southern University of Science and Technology
Sitong Wu: Southern University of Science and Technology
Zhichao Yang: Southern University of Science and Technology
Pengzhen Qiao: Southern University of Science and Technology
Yang Liu: Southern University of Science and Technology
Weijie Wu: Southern University of Science and Technology
Zhiyong Guo: Southern University of Science and Technology
Jiayan Liao: University of Technology Sydney
Jiajia Zhou: University of Technology Sydney
Ming Guan: Southern University of Science and Technology
Chao Liang: Southern University of Science and Technology
Chao Liu: Southern University of Science and Technology
Dayong Jin: Southern University of Science and Technology

Nature Communications, 2023, vol. 14, issue 1, 1-11

Abstract: Abstract Skeletal disorders are commonly diagnosed by X-ray imaging, but the radiation limits its use. Optical imaging through the near-infrared-II window (NIR-II, 1000–1700 nm) can penetrate deep tissues without radiation risk, but the targeting of contrast agent is non-specific. Here, we report that lanthanide-doped nanocrystals can passively target the bone marrow, which can be effective for over two months. We therefore develop the high-resolution NIR-II imaging method for bone disease diagnosis, including the 3D bone imaging instrumentation to show the intravital bone morphology. We demonstrate the monitoring of 1 mm bone defects with spatial resolution comparable to the X-ray imaging result. Moreover, NIR-II imaging can reveal the early onset inflammation as the synovitis in the early stage of rheumatoid arthritis, comparable to micro computed tomography (μCT) in diagnosis of osteoarthritis, including the symptoms of osteophyte and hyperostosis in the knee joint.

Date: 2023
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DOI: 10.1038/s41467-023-42001-2

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