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. Author manuscript; available in PMC: 2020 Jan 28.
Published in final edited form as: J Biomol Screen. 1999;4(6):355–362. doi: 10.1177/108705719900400610

FIG. 13.

FIG. 13.

Phase (O) and modulation (X) of Calcium Green in a 96-well plate with two-photon-induced fluorescence, at various Ca2+ concentrations. The modulation frequency was 160 MHz.