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Updated: May 27, 2025
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Microstructured Devices for Optimized Microinjection and Imaging of Zebrafish Larvae
Published on: December 8, 2017
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Design and developing a robot-assisted cell batch microinjection system for zebrafish embryo
Xiangyu Guo1, Antian Zhao1, Youchao Zhang1
1Robotic Micro-nano Manipulation Lab, College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, China.
Microsystems & Nanoengineering
|February 20, 2025
Summary
This study introduces an automated microinjection system for Zebrafish embryos, enhancing efficiency and survival rates. The novel microinjector with force feedback and deep learning achieves precise, high-throughput cell delivery.
Area of Science:
- Developmental Biology
- Bioengineering
- Zebrafish Research
Background:
- Microinjection of Zebrafish embryos is crucial for life science and biomedical research.
- Manual microinjection is labor-intensive and can lead to variable success rates.
- Existing automated systems lack precision and real-time feedback mechanisms.
Purpose of the Study:
- To develop a novel automated system for high-precision, high-efficiency cell microinjection in Zebrafish embryos.
- To integrate microforce perception and deep learning for enhanced accuracy and success rates.
- To reduce experimental workload and shorten study periods in Zebrafish research.
Main Methods:
- Design and fabrication of a sophisticated microfluidic chip for continuous cell handling and injection.
- Integration of a microinjector with microforce perception for real-time puncture detection.
- Application of a deep learning model for precise detection of Zebrafish yolk center and injection needle positioning.
Main Results:
- The automated system achieved an injection efficiency of approximately 20 seconds per cell.
- Demonstrated a 100% cell puncture success rate and an 84% cell survival rate.
- Significantly improved operational efficiency and cell survival rates compared to manual methods.
Conclusions:
- The developed automated microinjection system offers a precise, efficient, and reliable solution for Zebrafish embryo manipulation.
- The integration of microforce perception and deep learning represents a significant advancement in microinjection technology.
- This system has the potential to substantially decrease experimental workload and accelerate research timelines in developmental biology.
