Abstract
In this study, we have successfully designed and synthesized a colorimetric and near-infrared fluorescent probe YC-Si for F- detection based on malononitrile isophorone derivatives which can selectively make Si-O bond breakage probes that can respond specifically to F- and have high sensitivity with a detection limit of 6.59 × 10-7 mol/L. The probe YC-Si has a large Stokes shift at 678 nm (168 nm). In cell imaging experiments it was demonstrated that YC-Si has cell permeability and low cytotoxicity and can be used to detect F- in living cells..
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