Trihydroxytrioxatriangulene - An Extended Fluorescein and a Ratiometric pH Sensor
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Fluorescein ver. 2.0: A new, highly fluorescent, pH-sensitive trihydroxytrioxatriangulenium dye (H-TOTA) has been synthesised and characterised. The dye is closely related to fluorescein and may be considered to be a two-dimensional extended version. This new dye can exist in four different protonation states (see graphic) depending on the pH, and its use as a sensitive fluorescent ratiometric pH probe in a physiological buffer is demonstrated.
Originalsprog | Engelsk |
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Tidsskrift | Chemistry: A European Journal |
Vol/bind | 16 |
Udgave nummer | 10 |
Sider (fra-til) | 2992 - 2996 |
Antal sider | 4 |
ISSN | 0947-6539 |
DOI | |
Status | Udgivet - 9 feb. 2010 |
ID: 19205323