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A single component ratiometric pH probe with long wavelength excitation of europium emission |
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| Authors: | Pal Robert Parker David |
| Affiliation: | Department of Chemistry, Durham University, South Road, Durham, UKDH1 3LE. |
| Abstract: | Following excitation in the range 370-405 nm, the emission spectrum of a cell permeable macrocyclic Eu(III) complex incorporating an N-methylsulfonamide moiety changes form with pH, allowing ratiometric pH measurements in the range 6 to 8. |
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