A new rhodamine-formaldehyde probe based on the fluorescence on–off strategy for hydrogen sulfide detection was developed. The probe shows a fast and highly selective response to hydrogen sulfide over other reactive thiol-containing species both in aqueous media and in the living cell system. Its potential utility for biological applications was confirmed by fluorescence imaging of H2S in live cells.
X. Hou, X. Guo, Z. Luo, H. Zhao, B. Chen, J. Zhao and J. Wang, Anal. Methods, 2014, 6, 3223 DOI: 10.1039/C4AY00090K
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