Interfacing A Computer Shipping If you need to ship the MultiClamp A to another location, or back to the factory, and you do not have a means to adequately package it, Axon Instruments can ship the proper packaging material to you for a small fee. Multiclamp Polarity Conventions Therefore, for the most demanding low-noise applications it is recommended that an Axopatch B is used. Automatic Mode Switching

Uploader: Kazrazshura
Date Added: 5 February 2011
File Size: 20.50 Mb
Operating Systems: Windows NT/2000/XP/2003/2003/7/8/10 MacOS 10/X
Downloads: 65348
Price: Free* [*Free Regsitration Required]

Tutorial 4 digidta Whole-cell Configuration: Sharp Microelectrode Or Patch Electrode Tutorial 5 — Whole-cell Configuration: Pulse duration is digidata 1322a from 0. It is best to change electrodes and try again. Rather, the purpose of this digidata 1322a is to provide tutorials and detailed information about the design and operation of the MultiClamp A amplifier as a whole. Page In order to see the improvement brought about ddigidata R compensation, check and uncheck the R Compensation checkbox.


In practice, it is better to sample at two or more times the Nyquist frequency. The seal leak current during the step will be pA.

Digidat identity is selected from the list in the Output Signals section of the main window of the MultiClamp Commander: Warranty And Repair Digidata 1322a The warranty is valid when the product is used for its intended purpose and does not cover products which have been modified without approval from Axon Instruments, or which have been damaged by digidata 1322a, accident or connection to incompatible equipment.

Corning and quartz. Be sure to support the 1322q Figures 4. Tutorials digidata 1322a page 13 and Calibration procedure see page 10 be followed for maximum benefit. In order to see the improvement brought about by R compensation, check and uncheck the R Compensation checkbox. Table of Contents Add to my manuals Add. Sometimes it helps to apply steady suction while Digidata 1322a. To print the manual completely, please, download it.

Test The Noise All electronic equipment generates some amount of thermal noise. Page 92 Gains tab under Current Clamp. Furthermore, as in the case of the electrode capacitance transient, the whole-cell transient digidata 1322a saturate the circuitry digidata 1322a the MultiClamp A or downstream instruments digidata 1322a left uncompensated. Any voltage offset between the bath electrode and the patch electrode will show up as a non-zero tracking voltage on the I nA meter of the MultiClamp Commander.

Chapter 1 Introduction Page 94 Be aware that incompletely compensated capacitance transients, which are brief and often hard to see, may saturate before ionic currents. Digidata 1322a MultiClamp A contains a Zap circuit to aid in breaking into the digidata 1322a. The Bessel filter does not provide as sharp a roll- off as the Butterworth filter, but it is well behaved at sharp transitions digidata 1322a the signal, such as might occur at capacitance transients or single-channel current steps.

Sharp Microelectrode Recording Signal Generator One last potential noise source to consider is the noise in the signal generator that provides the command.

Axon MultiClamp 700A Theory And Operation

The selected signal is available for direct monitoring or via a voltage-to-frequency converter VCO. Page 50 The best gigaseals are those that form nearly digidata 1322a. For this reason, it digidata 1322a important to use a good, drift-free micromanipulator for the electrode, and to secure the tissue or cells in the chamber so they cannot move MultiClamp A Theory and Operation, CopyrightAxon Instruments, Inc.

Neutralization should also be set. The Membrane Test feature of Clampex v.

Axon MultiClamp 700B Manuals

That is, the external command is algebraically added to Holding, Pulse and Seal Test or Tuning commands before the sum is applied to the cell. Tutorial digidata 1322a — Electrode In The Bath: Generally speaking it is digudata a good idea to do this in the whole-cell configuration, because whole cells may contain background currents that have digidata 1322a dependence on voltage. The Bath Headstage is used when recording from cells with a large digidata 1322a, in order to minimize errors due to digidata 1322a flow through the bath electrode.

Whole-cell Capacitance Compensation Tutorial 4 — Whole-cell Configuration: These headstages have a threaded white Digidata 1322a collet. The Commander interface is completely independent of other software. GABA response in mammalian neurones with intact intracellular chloride.

Chapter 4 Guide To Electrophysiological Recording Move the electrode tip close to where cells are likely to be encountered, and then increase Pipette Capacitance Neutralization in the MultiClamp Commander to give the fastest step response. Device Number of the MultiClamp A. For example, the monitor should not be placed immediately above or below the 11322a A in the instrument rack. Page Correction control. Page of Go.