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Related Experiment Video

Updated: Jun 24, 2026

In Vivo Microdialysis Method to Collect Large Extracellular Proteins from Brain Interstitial Fluid with High-molecular Weight Cut-off Probes
08:17

In Vivo Microdialysis Method to Collect Large Extracellular Proteins from Brain Interstitial Fluid with High-molecular Weight Cut-off Probes

Published on: September 26, 2018

Microdialysis in rodents.

Agustin Zapata1, Vladimir I Chefer, Toni S Shippenberg

  • 1Integrative Neuroscience Section, NIH/NIDA Intramural Research Program, Baltimore, Maryland, USA.

Current Protocols in Neuroscience
|April 3, 2009
PubMed
Summary

This study details microdialysis techniques for measuring substances in brain tissue and infusing compounds. It covers probe construction, implantation in rodents, and experimental procedures for awake or anesthetized animals.

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Area of Science:

  • Neuroscience
  • Pharmacology
  • Biomedical Engineering

Background:

  • Microdialysis is a key in vivo technique for sampling substances in biological fluids and tissues.
  • It allows for the quantification of neurotransmitters, peptides, and electrolytes.
  • The technique also enables targeted substance infusion into the central nervous system.

Purpose of the Study:

  • To describe the methods for constructing and implanting microdialysis probes in rodent brains.
  • To provide procedures for conducting microdialysis experiments in both awake and anesthetized rodents.
  • To facilitate the study of neurochemistry and drug delivery in the brain.

Main Methods:

  • Detailed instructions for microdialysis probe construction.
  • Stereotaxic surgical procedures for probe implantation into specific rat and mouse brain regions.
  • Protocols for performing conventional and quantitative microdialysis in vivo.

Main Results:

  • Successful construction and implantation of microdialysis probes.
  • Demonstrated feasibility of substance quantification and infusion in discrete brain areas.
  • Established procedures for both awake and anesthetized rodent models.

Conclusions:

  • The described methods provide a comprehensive guide for implementing microdialysis in neuroscience research.
  • This technique is valuable for studying brain function, neurochemistry, and the effects of pharmacological agents.
  • The protocols are applicable to a wide range of research questions in rodent models.

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Last Updated: Jun 24, 2026

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