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Patch Clamp01:18

Patch Clamp

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Many fundamental cell functions such as muscle contraction and nerve transmission rely on the electrical signals produced by the movement of positively and negatively charged ions across the cell membrane. One competent method to record current flowing across the whole cell or single ion channel is the patch-clamp technique.
In this method, a glass micropipette containing electrolyte solution is tightly sealed against a small portion of the cell membrane. As a result, a patch of the cell...
5.9K

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Related Experiment Video

Updated: Oct 26, 2025

A Computer-assisted Multi-electrode Patch-clamp System
11:01

A Computer-assisted Multi-electrode Patch-clamp System

Published on: October 18, 2013

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Machine Learning-Based Pipette Positional Correction for Automatic Patch Clamp In Vitro.

Mercedes M Gonzalez1, Colby F Lewallen2, Mighten C Yip2

  • 1Georgia Institute of Technology, George W. Woodruff School of Mechanical Engineering, Atlanta, GA 30332 m.gonzalez@gatech.edu.

Eneuro
|July 27, 2021
PubMed
Summary
This summary is machine-generated.

This study introduces a deep-learning method using a convolutional neural network (CNN) to precisely guide patch clamp pipettes, significantly improving neuron cell detection and whole-cell recording success rates in electrophysiology experiments.

Keywords:
CNNautomateddeep learningelectrophysiologymachine learningpatch clamp

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Area of Science:

  • Neuroscience
  • Electrophysiology
  • Machine Learning

Background:

  • Patch clamp electrophysiology is crucial for neuron analysis but is labor-intensive and prone to errors.
  • Automated systems struggle with pipette positioning and identifying target cells due to robotic inaccuracies and tissue light scattering.
  • Existing methods lack the precision for fully automated, high-throughput patch clamp experiments.

Purpose of the Study:

  • To develop and validate a deep-learning-based method for real-time correction of pipette positioning errors in patch clamp electrophysiology.
  • To enhance the accuracy and success rate of automated patch clamp experiments.
  • To advance towards fully automated, human-out-of-the-loop patch clamp procedures.

Main Methods:

  • A convolutional neural network (CNN), specifically ResNet101, was employed to detect and correct pipette positioning errors.
  • The CNN model was trained to identify pipette tip locations with high precision before each patch clamp attempt.
  • Performance was evaluated against the state-of-the-art cross-correlation method in terms of localization accuracy, success rates, and time efficiency.

Main Results:

  • The deep-learning pipette detection method achieved superior pipette localization accuracy within 0.62 ± 0.58 μm.
  • Cell detection and whole-cell patch clamp success rates were improved by 71% and 59%, respectively, compared to the cross-correlation method.
  • The average time for pipette correction was reduced by 81%, demonstrating significant efficiency gains.

Conclusions:

  • The CNN-based approach enables precise, real-time correction of pipette positioning, overcoming key limitations in automated patch clamp.
  • This technique significantly boosts success rates and efficiency, approaching the quality of manual patch clamp recordings.
  • The developed method represents a substantial step towards achieving fully automated, hands-off patch clamp electrophysiology.