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Metal Microelectrodes

We provide Metal Microelectrodes for a wide range of extra-cellular recording and stimulating applications. There are multiple configurations for maximum customization. 

Platinum-Iridium has a higher activation level, which causes it to deteriorate slower under current. It is less toxic in chronic applications.

SKU Taper R/SF Length OD/OD Ins. (µm)
30024 Fine Single-Cell 75mm 125/218
30025 Fine Multi-Cell 75mm 125/218
30026 Medium Multi-Cell 75mm 125/218
30046 Fine Multi-Cell 140mm 125/150
30047 Fine Single-Cell 140mm 125/150

Tungsten is the strongest of the three metals, facilitates sharp etching, maintains exceptional tip integrity during insertion, and is now available with glass insulation.

SKU Taper R/SF Length OD/OD Ins. (µm)
30020 Blunt Multi-Cell 75mm 200/280
30021 Blunt Single-Cell 75mm 200/280
30022 Blunt User Cond. 75mm 200/280
30030 Fine Multi-Cell 75mm 200/280
30031 Fine Single-Cell 75mm 200/280
30032 Fine User Cond. 75mm 200/280
30040 Fine Multi-Cell 140mm 200/235
30041 Fine Single-Cell 140mm 200/235
30043 Fine Multi-Cell 140mm 125/150
30044 Fine Single-Cell 140mm 125/150
30060 Fine Single-Cell 140mm 100/210
30061 Fine User Cond. 140mm 100/210
30062 Fine Single-Cell 140mm 75/137
30063 Fine User Cond. 140mm 75/137
30070 Blunt Single-Cell 2mm 125/150
30071 Blunt User Cond. 75mm 250/290
30072 Blunt User Cond. 90mm 250/290
30073 Blunt User Cond. 75mm 200/280
30074 Blunt User Cond. 90mm 200/280
30075 Blunt Single-Cell 90mm 250/290
30076 Blunt Multi-Cell 90mm 250/290

 

Stainless Steel is affordable, strong, and allows a researcher to make iron deposits on tissue.

SKU Taper R/SF Length OD/OD Ins. (µm)
30033 Medium Single-Cell 75mm 250/330
30034 Medium Multi-Cell 75mm 250/330
30049 Medium Multi-Cell 140mm 125/150
30050 Medium Single-Cell 140mm 125/150

Monopolar Microelectrode with No Pin Specifications

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Monopolar Microelectrode with Pin Connector Specifications

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Bear Lab Chronic Microelectrode Special Specifications

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Cleaning and Sterilization of Research Microelectrodes

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Rajalingham R, Musallam S (2017) Characterization of neurons in the primate medial intraparietal area reveals a joint representation of intended reach direction and amplitude. PLoS ONE 12(8): e0182519.

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Li Feng, Joshua E. Motelow, Chanthia Ma, William Biche, Cian McCafferty, Nicholas Smith, Mengran Liu, Qiong Zhan, Ruonan Jia, Bo Xiao, Alvaro Duque and Hal Blumenfeld. Seizures and Sleep in the Thalamus: Focal Limbic Seizures Show Divergent Activity Patterns in Different Thalamic Nuclei. Journal of Neuroscience 22 November 2017, 37 (47) 11441-11454.

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Hsu, L., Zelenin, P. V., Orlovsky, G. N. and Deliagina, T. G. (2017), Supraspinal control of spinal reflex responses to body bending during different behaviours in lampreys. J Physiol, 595: 883-900.

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Yong-Jun Liu; Maziar Hashemi-Nezhad; David C. Lyon Differences in orientation tuning between pinwheel and domain neurons in primary visual cortex depend on contrast and size. Neurophotonics, 4(3), 031209 (2017).

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DeWind NK, Peng J, Luo A, Brannon EM, Platt ML (2017) Pharmacological inactivation does not support a unique causal role for intraparietal sulcus in the discrimination of visual number. PLoS ONE 12(12): e0188820.

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Masri, S., Zhang, L. S., Luo, H., Pace, E., Zhang, J., & Bao, S. (2018). Blast Exposure Disrupts the Tonotopic Frequency Map in the Primary Auditory Cortex. Neuroscience, 379, 428–434.

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