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Single-cell Microinjection for Cell Communication Analysis
Published on: February 26, 2017
Piezoelectric driven non-toxic injector for automated cell manipulation
1Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, Ontario, Canada. hbhuang@mie.utoronto.ca
Studies in Health Technology and Informatics
|February 22, 2011
Summary
A novel mercury-free piezo-driven cell injector improves Intra Cytoplasmic Sperm Injection (ICSI) automation. This automated system reduces cell membrane damage and toxicity, enhancing research and commercial applications.
Area of Science:
- Biotechnology
- Robotics
- Cellular Biology
Background:
- Intra Cytoplasmic Sperm Injection (ICSI) automation seeks to enhance precision and speed.
- Current piezo-drill cell injection techniques use mercury, leading to toxicity and cell damage.
- Lateral tip oscillations of injector pipettes cause complications in ICSI.
Purpose of the Study:
- To propose a new design for a piezo-driven cell injector for automated suspended cell injection.
- To eliminate mercury toxicity and reduce cell membrane damage during ICSI.
- To improve the precision and efficiency of automated cell injection techniques.
Main Methods:
- Development of a novel piezo-driven cell injector design.
- Centralization of piezo oscillation power on the injector pipette.
- Attenuation of lateral tip oscillations without using a mercury column.
Main Results:
- The new design effectively centralizes piezo oscillation, minimizing vibrations in the micromanipulator.
- Detrimental lateral tip oscillations of the injector pipette are significantly reduced.
- A mercury-free injection technique is achieved, eliminating mercury toxicity.
Conclusions:
- The proposed mercury-free piezo-driven cell injector offers a non-toxic alternative for automated cell injection.
- This technology has significant potential for applications in gene injection, in-vitro fertilization (IVF), ICSI, and drug development.
- The design advances automated cell injection by improving survival rates and reducing procedural complications.

