16197-32-3Relevant academic research and scientific papers
A colorimetric and fluorescent probe for sulfite/bisulfite based on conjugated benzothiazole derivative and imaging application in living cells
Wang, Lei,Zhang, Li,Zhang, Xuan,Zhu, Zhi-Jia
, (2020)
A new colorimetric and fluorescent probe 2 for SO3 2?/HSO3 ? detection was developed based on a conjugated benzothiazole derivative. The probe 2 was red color in aqueous solution and became colorless in the presence of SO3 2?/HSO3 ?, accompanied by a fluorescence quenching. It was rationalized by an intramolecular charge transfer (ICT) mechanism, where the addition of SO3 2?/HSO3 ? to the vinyl double bond broken the conjugation and blocked the ICT process. This probe showed highly selective detection of SO3 2?/HSO3 ? compared with other sulfur-containing species and featured a detection limit of 2.01 μM. Moreover, the present probe was also successfully used for the fluorescence imaging of intracellular sulfur dioxide derivatives in living HeLa cells.
Temperature Sensing of Thiolate Addition by Phenolate Merocyanine Dyes: Importance of the Quinone Methide Resonance Structure
Van Riesen, Abigail J.,Johnson, Ryan E.,Al-Abdul-Wahid, M. Sameer,Liota, Cristina,Christyanton, Anjelyn,Manderville, Richard A.
, p. 1583 - 1590 (2021)
Merocyanine (MC) dyes containing an aromatic donor vinyl linked to a cationic acceptor serve as chemosensors for analyte detection. Their electrophilicity permits anion detection through addition reactions that disrupt dye conjugation. Herein, we demonstr
