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Int J Biol Sci 2017; 13(4):401-412. doi:10.7150/ijbs.18750 This issue Cite

Review

Photoacoustic-Based Multimodal Nanoprobes: from Constructing to Biological Applications

Duyang Gao, Zhen Yuan^✉

Bioimaging Core, Faculty of Health Sciences, University of Macau, Macau SAR, China

✉ Corresponding author: Zhen Yuan, zhenyuanmo

Abstract

Multimodal nanoprobes have attracted intensive attentions since they can integrate various imaging modalities to obtain complementary merits of single modality. Meanwhile, recent interest in laser-induced photoacoustic imaging is rapidly growing due to its unique advantages in visualizing tissue structure and function with high spatial resolution and satisfactory imaging depth. In this review, we summarize multimodal nanoprobes involving photoacoustic imaging. In particular, we focus on the method to construct multimodal nanoprobes. We have divided the synthetic methods into two types. First, we call it “one for all” concept, which involves intrinsic properties of the element in a single particle. Second, “all in one” concept, which means integrating different functional blocks in one particle. Then, we simply introduce the applications of the multifunctional nanoprobes for in vivo imaging and imaging-guided tumor therapy. At last, we discuss the advantages and disadvantages of the present methods to construct the multimodal nanoprobes and share our viewpoints in this area.

Keywords: multimodal nanoprobes, synthesis methods, photoacoustic imaging, biomedical imaging.

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