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Related Experiment Video

Updated: Jun 4, 2026

A Label-free Technique for the Spatio-temporal Imaging of Single Cell Secretions
09:09

A Label-free Technique for the Spatio-temporal Imaging of Single Cell Secretions

Published on: November 23, 2015

Label-free detection with surface plasmon resonance imaging.

Christopher Lausted1, Zhiyuan Hu, Leroy Hood

  • 1Institute for Systems Biology, Seattle, WA, USA. clausted@systemsbiology.org

Methods in Molecular Biology (Clifton, N.J.)
|March 4, 2011
PubMed
Summary

Label-free protein microarray systems utilize surface plasmon resonance (SPR) sensors for real-time analysis of biomolecular interactions. This technology enables efficient profiling of cellular protein secretion in response to toxic compounds, aiding disease study.

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Area of Science:

  • Biomedical Engineering
  • Biochemistry
  • Analytical Chemistry

Background:

  • Surface plasmon resonance (SPR) sensors offer label-free detection of biomolecular interactions.
  • Recent advancements enable high-throughput, real-time imaging of microarray binding.
  • Label-free protein microarrays present a promising platform for disease research.

Purpose of the Study:

  • To demonstrate the application of label-free protein microarrays for profiling cellular responses.
  • To investigate protein secretion changes in cell lines exposed to toxic compounds.

Main Methods:

  • Utilized antibody microarrays for protein detection.
  • Employed surface plasmon resonance imaging for real-time, label-free analysis.
  • Exposed cell lines to varying concentrations of a toxic compound.

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Last Updated: Jun 4, 2026

A Label-free Technique for the Spatio-temporal Imaging of Single Cell Secretions
09:09

A Label-free Technique for the Spatio-temporal Imaging of Single Cell Secretions

Published on: November 23, 2015

Label-Free Surface-Enhanced Raman Scattering Bioanalysis Based on Au@Carbon Dot Nanoprobes
06:19

Label-Free Surface-Enhanced Raman Scattering Bioanalysis Based on Au@Carbon Dot Nanoprobes

Published on: June 9, 2023

Main Results:

  • Successfully profiled protein secretion from cell lines.
  • Demonstrated the ability to detect changes in protein secretion in response to toxicant exposure.
  • Validated the efficiency of the label-free protein microarray system.

Conclusions:

  • Label-free protein microarrays are effective for studying cellular secretion profiles.
  • This technology facilitates the real-time monitoring of biomolecular interactions in disease-related studies.
  • The system provides a valuable tool for toxicological assessments and understanding cellular responses.