Issue 49, 2019

A bright red-emitting flavonoid for Al3+ detection in live cells without quenching ICT fluorescence

Abstract

A bright red-emitting flavonoid derivative was synthesized, which exhibited a large Stokes shift (Δλ > 150 nm) and high fluorescence quantum yields (ϕfl = 0.10–0.35). The probe could form a stable complex with Al3+ in 1 : 1 binding stoichiometry, generating a large bathochromic shift in both absorption and fluorescence (Δλ ≈ 70 nm) to enable ratiometric determination of cellular Al3+.

Graphical abstract: A bright red-emitting flavonoid for Al3+ detection in live cells without quenching ICT fluorescence

Supplementary files

Article information

Article type
Communication
Submitted
25 Marts 2019
Accepted
22 Maijs 2019
First published
22 Maijs 2019

Chem. Commun., 2019,55, 7041-7044

A bright red-emitting flavonoid for Al3+ detection in live cells without quenching ICT fluorescence

C. S. Abeywickrama, K. A. Bertman and Y. Pang, Chem. Commun., 2019, 55, 7041 DOI: 10.1039/C9CC02322D

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