MEA electrodes are based on pinholes with a honeycomb microstructure. This thin-film sensor’s working electrode is covered with a photo resist that has 5 or 10 µm pinholes that form an array of ultramicroelectrodes. They show the microelectrode behaviour enhancing sensitivity and detection limits by reaching the steady state rapidly.
The Micrux Thin-Film electrodes are reusable and need only 1 to 5 µL measuring solution to be operated. The microelectrode arrays are available with platinum or gold electrodes. The WE material is sputtered on a 50 nm thick layer of titanium and has a thickness of 150 nm, which is sufficient to show bulk behavior. The pinholes forming the ultramicroelectrodes have a diameter of 5 or 10 µm and the distance between the holes is 100 µm.
Ultramicroelectrode with a diameter of 5 µm has 500 pinholes
Ultramicroelectrode with a diameter of 10 µm has 90 pinholes
Please note that one of the Micrux cells is necessary to connect the electrode. More Information is available at the specifications tab or here.
A Micrux cell is needed to connect the glass electrode
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