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- W3135266447 endingPage "113123" @default.
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- W3135266447 abstract "The respiratory activity of cultured cells can be electrochemically monitored using scanning electrochemical microscopy (SECM) with high spatial resolution. However, in SECM, the electrode takes a long time to scan, limiting simultaneous measurements with large biological samples such as cell spheroids. Therefore, for rapid electrochemical imaging, a novel strategy is needed. Herein, we report electrochemiluminescence (ECL) imaging of spheroid respiratory activity for the first time using sequential potential steps. L-012, a luminol analog, was used as an ECL luminophore, and H2O2, a sensitizer for ECL of L-012, was generated by the electrochemical reduction of dissolved O2. The ECL imaging visualized spheroid respiratory activity—evidenced by ECL suppression—corresponding to O2 distribution around the spheroids. This method enabled the time-lapse imaging of respiratory activity in multiple spheroids with good spatial resolution comparable to that of SECM. Our work provides a promising high-throughput imaging strategy for elucidating spheroid cellular dynamics." @default.
- W3135266447 created "2021-03-15" @default.
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- W3135266447 date "2021-06-01" @default.
- W3135266447 modified "2023-09-27" @default.
- W3135266447 title "Electrochemiluminescence imaging of respiratory activity of cellular spheroids using sequential potential steps" @default.
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- W3135266447 doi "https://doi.org/10.1016/j.bios.2021.113123" @default.
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