4 years ago

Optical clearing for multi-scale biological tissues

Qingming Luo, Tingting Yu, Dan Zhu, Yisong Qi, Hui Gong
Three-dimensional reconstruction of tissue structures is essential for biomedical researches. The development of light microscopies and various fluorescent labeling techniques provides powerful tools for this motivation. However, optical imaging depth suffers from strong light scattering due to inherent heterogeneity of biological tissues. The tissue optical clearing technology provides a distinct solution and permits us to image large volume with high resolution. Up to date, various clearing methods have been developed. Here, from the perspective of the end-users, we review in vitro tissue optical clearing techniques based on the sample features in terms of size and age, enumerate the methods suitable for immunostaining and lipophilic dyes, and summarize the combinations with various imaging techniques. We hope this review will be helpful for researchers to choose the most suitable clearing method from a variety of protocols to meet their specific needs.

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1002/jbio.201700187

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