A water soluble copper(ii) complex as a HSO4− ion selective turn-on fluorescent sensor applicable in living cell imaging
Keyword(s):
Turn On
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A water soluble non-fluorescent biofriendly cell permeable structurally characterised copper(ii) complex (1) selectively senses HSO4− ions as low as 3.18 × 10−7 M in water : DMSO (9 : 1, v/v) HEPES buffer at biological pH.