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Related Experiment Video

Updated: Jul 14, 2026

A Method of Targeted Cell Isolation via Glass Surface Functionalization
10:40

A Method of Targeted Cell Isolation via Glass Surface Functionalization

Published on: September 20, 2016

Lectin-modified microchannels for mammalian cell capture and purification.

Ting Zheng1, Hongmei Yu, Caroline M Alexander

  • 1Department of Chemistry, University of Wisconsin-Madison, Madison, WI 53706, USA. tzheng@momentapharma.com

Biomedical Microdevices
|May 23, 2007
PubMed
Summary

This study introduces a novel microchannel method for purifying small cell numbers. Lectin-modified microchannels selectively capture and release cells, achieving tenfold enrichment for specific cell types.

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Area of Science:

  • Biotechnology
  • Cell Biology
  • Microfluidics

Background:

  • Efficient purification of small cell populations is challenging.
  • Existing methods are often not suitable for limited cell quantities.

Purpose of the Study:

  • To develop a novel cell purification strategy for small cell numbers.
  • To demonstrate the efficacy of lectin-modified microchannels for selective cell capture and elution.

Main Methods:

  • Utilized lectin-modified microchannels for cell purification.
  • Employed Sambucus nigra agglutinin (SNA) lectin for selective cell binding.
  • Tested the system with two mammalian cell lines exhibiting differential SNA binding affinities.

Main Results:

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Last Updated: Jul 14, 2026

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  • Achieved selective capture of SNA-binding cells within the microchannels.
  • Demonstrated approximately tenfold enrichment of the target cell type.
  • Successfully eluted captured cells using a solution of the lectin's inhibiting sugar.

    • Conclusions:

    • Lectin-modified microchannels offer a promising miniaturized solution for small-scale cell purification.
    • This technology enables efficient manipulation and enrichment of limited cell quantities.
    • The method shows potential for applications in cell-based research and diagnostics.