Harp Slice Grids for MEA Systems

  • Model: HSG-MEA
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Description

HARP SLICE GRIDS™
Electrophysiology and imaging experiments with submerged slices won’t work if the slices are drifting during perfusion. Securing slices with homemade grids requires spending time gluing bits of wire and nylon together and testing them on valuable preparations. Using ALA’s HARP SLICE GRIDSTM will provide more consistent results and more time to do experiments.

Last Updated on March 6, 2025

Details

 

ALA’s MEA HARP SLICE GRIDS™ are constructed with durable and inert glass-coated steel rings with mesh that are available in suitable configurations for most preparations.
The mesh lies both horizontally and vertically across the preparation forming squares of approximately 1mm2. This is the preferred type of grid when contact between the preparation and substrate electrodes is critical, such as during recording with multielectrode array systems. They are excellent when combining multielectrode array recording, such as the MEA60 system, with conventional recording and stimulation methods.

Mesh on certain configurations made of nylon or polyester. White nylon available for certain configurations. See Specs for details.

Custom sizes available, minimums apply.

 

Last Updated on March 6, 2025

Specifications

Nylon mesh with 1mm2 spacing unless otherwise specified

TYPE Dimensions
HSG-MEA-5A 9.5mm ID x 12mm OD x 0.5mm thick; 0.2g
HSG-MEA-5AD 9.5mm ID x 12mm OD x 1.0mm thick; 0.4g
HSG-MEA-5B 9.5mm ID x 12.75mm OD x 0.83mm thick; 0.4g
HSG-MEA-5BD 9.5mm ID x 12.75mm OD x 1.64mm thick; 0.8g
HSG-MEA-5C 6.4mm ID x 8mm OD x 0.5mm thick; 0.05g
HSG-MEA-5CD 6.4mm ID x 8mm OD x 1.0mm thick; 0.1g
HSG-MEA-5D 6.0mm x 3.3mm ID x 12.7mm OD x 0.54mm thick; 0.18g – oval interior
HSG-MEA-5DD 6.0mm x 3.3mm ID x 12.7mm OD x 1.07mm thick; 0.35g – oval interior
HSG-MEA-5E 4.8mm x 2.5mm ID x 9.5 mm OD x 0.5mm thick; .1g – oval interior
HSG-MEA-5ED 4.8mm x 2.5mm ID x 9.5 mm OD x .85mm thick; .2g – oval interior
HSG-MEA-5F 10.0mm ID x 13.8mm OD x 0.8mm thick; 0.18g – pick and place
HSG-MEA-5FD 10.0mm ID x 13.8 mm OD x 1.8mm thick; 0.33g – pick and place
HSG-5G 9.5mm ID x 12mm OD x 0.5mm thick; 0.2g – polyester mesh with 800μm square grids
HSG-5H 9.5mm ID x 12mm OD x 0.5mm thick; 0.2g -white nylon mesh with 1mm square grids

Last Updated on March 6, 2025

Downloads

Manual Harp Slice Grid Literature

Last Updated on March 6, 2025

References

Malakooti, N., Pritchard, M. A., Chen, F., Yu, Y., Sgambelloni, C., Adlard, P. A., & Finkelstein, D. I. (2020). The Long Isoform of Intersectin-1 Has a Role in Learning and Memory. Frontiers in behavioral neuroscience, 14, 24. https://doi.org/10.3389/fnbeh.2020.00024

 

Cai, J., Nikonov, S., Sweeney, A. M., (2024) Enhancements in Squid Retinal Responeses to Change of Polarizations in a Caustic Shallow Water – doi: https://doi.org/10.1101/2024.04.17.589948

https://www.biorxiv.org/content/10.1101/2024.04.17.589948v1

 

Last Updated on March 6, 2025

Ordering

Nylon mesh with 1mm2 spacing unless otherwise specified

Ordering Information
TYPE Description
HSG-MEA-5A 9.5mm ID x 12mm OD x 0.5mm thick; 0.2g – 5 pack
HSG-MEA-5AD 9.5mm ID x 12mm OD x 1.0mm thick; 0.4g – 5 pack
HSG-MEA-5B 9.5mm ID x 12.75mm OD x 0.83mm thick; 0.4g – 5 pack
HSG-MEA-5BD 9.5mm ID x 12.75mm OD x 1.64mm thick; 0.8g – 5 pack
HSG-MEA-5C 6.4mm ID x 8mm OD x 0.5mm thick; 0.05g – 5 pack
HSG-MEA-5CD 6.4mm ID x 8mm OD x 1.0mm thick; 0.1g – 5 pack
HSG-MEA-5D 6.0mm x 3.3mm ID x 12.7mm OD x 0.54mm thick; 0.18g – oval interior – 5 pack
HSG-MEA-5DD 6.0mm x 3.3mm ID x 12.7mm OD x 1.07mm thick; 0.35g – oval interior – 5 pack
HSG-MEA-5E 4.8mm x 2.5mm ID x 9.5 mm OD x 0.5mm thick; .1g – oval interior – 5 pack
HSG-MEA-5ED 4.8mm x 2.5mm ID x 9.5 mm OD x .85mm thick; .2g – oval interior
HSG-MEA-5F 10.0mm ID x 13.8mm OD x 0.8mm thick; 0.18g – pick and place – 5 pack
HSG-MEA-5FD 10.0mm ID x 13.8 mm OD x 1.8mm thick; 0.33g – pick and place – 5 pack
HSG-5G 9.5mm ID x 12mm OD x 0.5mm thick; 0.2g – polyester mesh with 800μm square grids – 5 pack
HSG-5H 9.5mm ID x 12mm OD x 0.5mm thick; 0.2g -white nylon mesh with 1mm square grids – 5 pack

Last Updated on March 6, 2025

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