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. 2023 Aug 2;2(2):81–97. doi: 10.1021/cbmi.3c00070

Table 4. Based on PET and Other Relevant Parameters of Small-Molecule Fluorescent pH Probes.

probe MW λex (nm)(pH) λem (nm)(pH) pKa solution model refs
probe 1 731 391(2)/411(10) 525 6.18 PBS buffer serum-free medium (91)
Z3 903 520(4)/530(7.4) 700(4)/720(7.4) 6.00 50% acetonitrile CCCP (7)
MTpH 599 440 525 5.77 PBS buffer CCCP (93)