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Updated: Oct 11, 2025

Using Laser Tweezers For Manipulating Isolated Neurons In Vitro

Using Laser Tweezers For Manipulating Isolated Neurons In Vitro

Published on: September 11, 2008

Laser induced forward transfer isolating complex-shaped cell by beam shaping.

Peng Liang^1,2, Lindong Shang^1,2, Yuntong Wang^1,2

¹State Key Laboratory of Applied Optics, Changchun Institute of Optics, Fine Mechanics and Physics, Changchun, 130033, China.

Biomedical Optics Express

|December 3, 2021

Summary

This summary is machine-generated.

This study introduces a novel beam shaping laser induced forward transfer (BS-LIFT) technique for isolating complex-shaped cells. This method successfully transfers cells ranging from 1 to 100 µm, offering a new approach for single-cell isolation.

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Last Updated: Oct 11, 2025

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Area of Science:

Optics and Photonics
Biotechnology
Cell Biology

Background:

Holographic optical tweezers utilize beam shaping for particle manipulation.
Hologram optimization algorithms enhance optical trapping performance.
Isolating complex-shaped cells remains a challenge in biological research.

Purpose of the Study:

To present a novel beam shaping laser induced forward transfer (BS-LIFT) technique.
To demonstrate the isolation of complex-shaped cells using BS-LIFT.
To establish a new method for single-cell isolation with variable shapes.

Main Methods:

Developed a BS-LIFT instrument integrating beam shaping and laser induced forward transfer.
Employed a liquid-crystal-on-silicon spatial light modulator for laser beam modulation.
Utilized the Gerchberg-Saxton (GS) algorithm to shape the laser beam into multiple points.

Main Results:

Successfully transferred various sample types using the BS-LIFT technique.
Demonstrated the first application of BS-LIFT for transferring complex-shaped cells.
Achieved successful transfer of cells with sizes ranging from 1 µm to 100 µm.

Conclusions:

The BS-LIFT technique offers a viable method for isolating complex-shaped cells.
This technique provides a novel approach for beam shaping applications in cell isolation.
The developed instrument enables precise manipulation and transfer of single cells with diverse morphologies.