Electrodes & Wire
On this page: | Microelectrode Holders Ag-AgCl Reference Electrodes |
On the next page: | Metal Wires Metal Rods Metal Microelectrodes Miniature Connectors |
Microelectrode Holders
Precision-made electrode holders from Warner Instruments. For most models, the following variations are available:
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Electrode |
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EH Series Holders Holders constructed from acrylic (6.3 mm diameter), and suitable for most intracellular and extracellular recording. Available with pellet or wire; the wire is easily replaceable without soldering and the pipette seals are also replaceable. Variations available:
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MP Series Holders Designed for applications such as microinjection with pressure/suction on the pipette. Acrylic body and stainless steel handle (4.8 mm x 80 mm).
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Q Series Patch Clamp Holders Patch Clamp Holders are made from polycarbonate for lower electrical noise. Available with pellet or wire; the wire is easily replaceable without soldering and the pipette seals are also replaceable. Variations available:
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Axon Instruments Series Holders These polycarbonate holders are designed for use with Axon Instruments equipment. They are available in two styles: "A" series holders for AxoPatch and AxoClamp HL-1 and HL-2 headstages; and "EH-U" series holders for other Axon products.
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Ag-AgCl Reference Electrodes
A range or pre-made silver/silver chloride electrodes suitable for custom skin or surface electrodes, bath electrodes, and the like. Made from very high purity materials, using a careful proprietary process to result in a fine grain, homogeneous mixture of silver and silver chloride. A careful sintering process strengthens and stabilizes the entire electrode assembly.
Typical values of the key parameters, measured in 0.9% saline, between pairs of electrodes the same size are:
- DC Offset Voltage: 180 μV
- Drift: 25 μV/hour
- Noise: 1 μV peak-to-peak (0.1-1000 Hz with 50/60 Hz eliminated)
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Ag-AgCl Pellet & Disc Electrodes Ideal for skin electrodes and other bioelectric recording. The sintered pellet has a pure silver wire embedded for soldering or twisting to other connections.
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Ag-AgCl Pellet & Wire Electrodes Two pellet electrodes embedded on a .25 x 70 mm silver wire, and a wire electrode in which the last 10 mm of the wire is uniformly coated with Ag-AgCl to a maximum diameter of 0.8 mm.
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Flat-tip Ag-AgCl probes Sintered Ag-AgCl cylinders encased in a sturdy epoxy tube and fitted with a 2mm tinned copper wire. The flat end of the electrode can be resurfaced with fine abrasive. Ideal for use as a reference electrode in bath solutions.
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Disc Electrodes Encapsulated disc electrodes leaving only the electrode surface and edge exposed - the 20 cm connection wire is protected. Ideal for skin electrodes.
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We can also supply silver wire (see the next page) and a range of plugs, jacks, spare seals and pellets etc.
For more information and pricing details, please email us.