Greater precision – The STX4 electrode offers better TEER measurement precision, because it eliminates the variability factors resulting from change in electrode spacing and positioning as seen with STX2 electrode. Hands-free operation – The STX4 electrode fits perfectly in 24-well hanging transwells cell culture well plates and can stay hung on top of these transwells, allowing for hands-free operation. Less liquid volume needed – This electrode requires with less liquid volumes than required for STX2-PLUS electrode to keep the tips immersed and able to provide stable readouts. Chloriding was necessary for the STX2-PLUS. No chloriding necessary – Electrode tips are specially coated, requiring no chloriding (maintenance step) to ensure proper electrode functionality when measuring TEER of cellular layers like epithelial cultures. Replaceable blades – This new STX4 electrode has replaceable electrode blades. To use with legacy meters including the EVOM2 order adapter cable EVM-AC-02-01-01. The STX4 is designed primarily for 24-well hanging inserts or transwells (e.g., Corning 3470), and the electrode’s best performance can be seen in this format. STX4 can measure directly inside the well plates with 12 and 24 inserts. The STX4 electrode is the most recent version of chopstick electrode for the EVOM3 and EVOM™ Manual and it is designed to facilitate measurements of voltage (potential difference: PD) and resistance (transepithelial electrical resistance: TEER) of cultured epithelia (cellular layer) grown onto permeable membrane inserts in 12- and 24-well tissue culture plates. Electrode for EVOM3 and EVOM™ Manual with Replaceable Blades Ensures Stable Measurements
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