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Updated: May 4, 2026

Optical Control of Living Cells Electrical Activity by Conjugated Polymers

Optical Control of Living Cells Electrical Activity by Conjugated Polymers

Published on: January 28, 2016

Shape-dependent optoelectronic cell lysis.

Clemens Kremer¹, Christian Witte, Steven L Neale

¹Division of Biomedical Engineering, School of Engineering, University of Glasgow, Rankine Building, Oakfield Avenue, Glasgow G12 8LT (UK).

Angewandte Chemie (International Ed. in English)

|January 10, 2014

Summary

This summary is machine-generated.

We developed an electrical method to selectively lyse living cells based on their shape using a reconfigurable optoelectronic platform. This technique enables real-time cell selection for rare cell detection and single-cell studies.

Keywords:

cell enrichment diagnostics electrical cell lysis microfluidics optoelectronics

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Last Updated: May 4, 2026

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Area of Science:

Biotechnology
Analytical Chemistry
Cell Biology

Background:

Selective cell lysis is crucial for various biological and analytical applications.
Existing methods often lack precision or real-time control over cell targeting.
Identifying rare cells in complex biological samples presents a significant challenge.

Purpose of the Study:

To introduce a novel electrical method for precise, shape-based cell selection and lysis.
To demonstrate the technique's applicability on an optoelectronic platform for real-time control.
To explore its potential for rare cell detection and single-cell analysis.

Main Methods:

Implementation of an optoelectronic platform utilizing a video projector to create dynamic electrode patterns on a semiconductor surface.
Application of electrical fields, modulated by the "electrical shadow" cast by cells, to induce lysis.
Real-time adjustment of lysis areas by modifying projected light patterns.

Main Results:

Demonstrated selective lysis of living cells based on their distinct shapes.
Successfully detected rare cell types, including sleeping sickness parasites, in blood samples.
Showcased real-time control over lysis, from single cells to larger populations.

Conclusions:

The developed electrical lysis method offers a powerful tool for precise cell manipulation.
This technique holds significant potential for advancing molecular diagnostics and analytical chemistry through single-cell studies.
The optoelectronic platform provides a versatile and reconfigurable system for cell-based assays.