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Related Experiment Video

Updated: May 27, 2025

Microstructured Devices for Optimized Microinjection and Imaging of Zebrafish Larvae
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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
PubMed
Summary
This summary is machine-generated.

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.

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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.