Abstract
A xanthene-forming condensation reaction yields rhodol and rhodamine dyes carrying a zinc-binding ligand that includes the aniline-type nitrogen donor of the fluorophores. Upon zinc coordination in neutral aqueous solution, rhodol RF3 behaves as a ratiometric sensor, and rhodamine RA1 acts as a turn-off intensitybased indicator. Both fluorescent compounds bind the divalent zinc cation with micromolar affinity.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 9113-9115 |
| Number of pages | 3 |
| Journal | Inorganic Chemistry |
| Volume | 49 |
| Issue number | 20 |
| DOIs | |
| State | Published - Oct 18 2010 |
| Externally published | Yes |
ASJC Scopus subject areas
- Physical and Theoretical Chemistry
- Inorganic Chemistry
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