Glass and Holders

Whether you are making your own electrodes or using ours, we have a variety of microelectrode holders, along with a variety of accessories for filling glass micropipettes. We even have optical quality glass bottom dishes for delicate cell work under a microscope.

WPI’s microelectrode holder-half-cells couple fluid-filled glass micropipettes to high input impedance amplifiers. A Ag/AgCl pellet (or a silver wire) molded into the holder body provides stable potential. Electrical connection is made via male 2mm pins or female 2mm sockets. The pipette may be mounted axially or at right angles to the holder. Pipettes are held with screw-caps or rubber gaskets (without caps). Filling WPI microelectrode holders with electrolytes containing chloride results in stable electrode potential. Suitable electrolytes include KCl, NaCl andCaCl2. Holders are supplied for standard WPI single glass capillary tubing of 1.0, 1.2, 1.5 and 2.0mm outside diameters. (Call WPI regarding custom designs for other glass diameters.) The holder style you select will depend on your experimental application, space, and instrumentation.

For tips on selecting and using our micropipette holders, see Micropipette Holders and Half Cells.

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  1. 100-Pack of FluoroDish Cell Culture Dish, 35mm Diameter, 23mm Well, Petri Dishes 100-Pack of FluoroDish Cell Culture Dish, 35mm Diameter, 23mm Well, Petri Dishes
    In stock
  2. 100-Pack of FluoroDish Cell Culture Dish, 35mm Diameter, 10mm Well, Petri Dishes 100-Pack of FluoroDish Cell Culture Dish, 35mm Diameter, 10mm Well, Petri Dishes
    In stock
  3. 100-Pack of FluoroDish Cell Culture Dish, 50mm Petri Dishes 100-Pack of FluoroDish Cell Culture Dish, 50mm Petri Dishes
    In stock
  4. Glass Capillaries for Nanoliter 2020/2010, fire polished 2
    In stock
  5. Glass Capillaries for Nanoliter 2020/2010, fire polished
    In stock
  6. Thin Wall Glass Capillaries Thin Wall Glass Capillaries
    In stock
  7. Electrode Handle 6.3 mm Electrode Handle 6.3 mm
    In stock
  8. Microelectrode Holder (MEH3F45)
    In stock
  9. Microelectrode Holder (MEH6RFW)
    In stock
  10. PolyFil Multi-Barrel Micropipette Coupling Kit
    In stock
  11. Microelectrode Holder (MEH3SW)
    In stock
  12. Electrode Handle 4.0 mm Electrode Handle 4.0 mm
    In stock
  13. Septum Theta
    In stock
  14. Glass Handling Forceps Glass Handling Forceps
    In stock
  15. Patch Clamp Glass
    In stock
  16. Microelectrode Holder (MEH3FW45)
    In stock
  17. Microelectrode Holder (MEH7)
    In stock
  18. Microelectrode Holder (MEH6SF)
    In stock
  19. MicroFil Flexible Needle MicroFil Flexible Needle
    In stock
  20. Piggyback Glass Capillaries
    In stock
  21. Microelectrode Holder (MEH3SFW)
    In stock
  22. Microelectrode Holder (MEH3SBW)
    In stock
  23. Microelectrode Holder (MEH3W45)
    In stock
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