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A low-cost voltage stepper device for use in patch-clamp experiments.

A H Gitter, J Theis

    Pflugers Archiv : European Journal of Physiology
    |February 1, 1987
    PubMed
    Summary
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    A new, affordable device creates precise voltage changes for studying ion channels. This tool simplifies patch-clamp experiments by controlling voltage steps automatically or manually.

    Area of Science:

    • Biophysics
    • Neuroscience
    • Molecular Biology

    Background:

    • Patch-clamp electrophysiology is crucial for studying ion channel function.
    • Precise control over voltage is essential for analyzing voltage-gated ion channels.
    • Existing voltage-step generators can be complex or expensive.

    Purpose of the Study:

    • To describe a simple, inexpensive device for generating voltage steps.
    • To enable automated or manual control of voltage stimuli.
    • To facilitate the investigation of voltage-dependent ion channel currents.

    Main Methods:

    • The device generates voltage steps or cycles of steps.
    • Amplitude and duration of voltage steps are precisely defined.
    • Activation can be triggered by internal/computer clock pulses or manual command.

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    Main Results:

    • The device provides a cost-effective solution for voltage control.
    • It allows for flexible triggering of voltage stimuli.
    • The generated voltage steps are suitable for patch-clamp experiments.

    Conclusions:

    • This device simplifies and enhances the study of ion channel voltage dependence.
    • It offers a practical tool for researchers in biophysics and related fields.
    • The accessibility and ease of use make it valuable for patch-clamp investigations.