Longitudinal imaging of live organisms is essential to life science research aiming to understand biological processes. Recently, the imaging system has been housed for longitudinal imaging by mounting the optical imaging system in an incubator, while facing the limitations of single-modality and low throughput. Here, we proposed the OCToScope, a multi-modal, high-throughput and compact platform that is compatible with commercial incubators. OCToScope incorporates Optical Coherence Tomography(OCT) to achieve non-invasive three-dimensional imaging, and fluorescent imaging that retrieves cell-specific information. OCToScope also supports automatic scanning of mass samples quantity with motorized x-y-z stage and perform high time-resolution imaging for long-term studies. we used OCToScope to provide a systematic and comprehensive characterization of human heart organoids for over 30 days without any interference.
Ovarian tissue cryopreservation is used to frozen preserve ovary tissue for reimplantation, potentially restoring a cancer patient’s fertility after chemo and/or radiation treatment. The selection of ovary tissue containing many primordial and secondary follicles for reimplantation increases the probability of pregnancy, but it is a challenging task. In this work, we used spectral-domain OCT to evaluate the feasibility of non-invasively characterizing the morphology of ovary follicle development and age-related modifications in mice. The measured dimension and agerelated number of follicles presented a good agreement with corresponding histological images, demonstrating the potential to use OCT to evaluate ovary tissue for reimplantation.
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