{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,16]],"date-time":"2025-12-16T12:35:59Z","timestamp":1765888559243},"reference-count":58,"publisher":"American Physiological Society","issue":"6","content-domain":{"domain":["journals.physiology.org"],"crossmark-restriction":true},"short-container-title":["American Journal of Physiology-Cell Physiology"],"published-print":{"date-parts":[[2021,6,1]]},"abstract":"<jats:p> The working electrode\u2019s surface property is crucial to cell adhesion and signal collection in electric cell-substrate impedance sensing (ECIS). To date, the indium tin oxide (ITO)-based working electrode is of interest in ECIS study due to its high transparency and biocompatibility. Of great concern is the impedance signal loss, distortion, and data interpretation conflict profoundly created by the movement of multiple cells during ECIS study. Here, a carboxyl-terminated ITO substrate was prepared by stepwise surface amino silanization, with N-hydroxy succinimide (NHS) and 1-ethyl-3-(3-dimethyl aminopropyl) carbodiimide hydrochloride (EDC) treatment, respectively. We investigated the stepwise changes in the property of the treated ITO, cell-substrate adhesion, collective cell mobility, and time course of change in absolute impedance from multiple Chinese hamster ovary (CHO) cells [(\u0394t-\u0394|Z|)<jats:sub>CELLS<\/jats:sub>]. The carboxyl-terminated ITO substrate with a surface roughness of 6.37\u2009nm shows enhanced conductivity, 75% visible light transparency, improved cell adherence, reduced collective cell migration speed by approximately twofold, and diminished signal distortion in the [(\u0394t-\u0394|Z|)<jats:sub>CELLS<\/jats:sub>]. Thus, our study provides an ITO surface-treatment strategy to reduce multiple cell movement effects and to obtain essential cell information from the ECIS study of multiple cells through undistorted (\u0394t-\u0394|Z|)<jats:sub>CELLS<\/jats:sub>. <\/jats:p>","DOI":"10.1152\/ajpcell.00537.2020","type":"journal-article","created":{"date-parts":[[2021,3,10]],"date-time":"2021-03-10T20:13:55Z","timestamp":1615407235000},"page":"C974-C986","update-policy":"http:\/\/dx.doi.org\/10.1152\/aps-crossmark-policy","source":"Crossref","is-referenced-by-count":3,"title":["Development of a carboxyl-terminated indium tin oxide electrode for improving cell adhesion and facilitating low noise, real-time impedance measurements"],"prefix":"10.1152","volume":"320","author":[{"given":"A. M. 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