Sensing mechanism of reactive oxygen species optical detection

Taming Janus-Faced Quinoline-Derived Fluorescent Probes for Dual-Channel Distinguishable Visualization of HSO3– and HClO in Dried Foods and Living Cells

“…Bisulfite ion (HSO 3 − ) and hypochlorous acid (HClO) are significant members of reactive sulfur species (RSS) and reactive oxygen species (ROS), closely implicating with food technology and physiological processes. 1,2 These redox-active molecules possess excellent reducing and oxidizing characteristics and have been served for sterilization and preservation in the food industry. HSO 3 − has been ubiquitously taken advantage of food manufacturing.…”

“…Bisulfite ion (HSO 3 – ) and hypochlorous acid (HClO) are significant members of reactive sulfur species (RSS) and reactive oxygen species (ROS), closely implicating with food technology and physiological processes. , These redox-active molecules possess excellent reducing and oxidizing characteristics and have been served for sterilization and preservation in the food industry. HSO 3 – has been ubiquitously taken advantage of food manufacturing. , For instance, SO 2 fumigation is easy to operate, and the introduction of HSO 3 – in dried food products can inhibit the proliferation of microorganisms by restricting cellular respiration and metabolism, thus ensuring the prolonging of their shelf life.…”

A highly selective probe engineered to detect polarity and distinguish normal cells and tumor cells in tissue sections

“…[34][35][36][37][38] However, due to the delocalization of p electrons, the bridge bond in question is susceptible to attack by electrophiles. 39,40 The probes exhibit low selectivity, which limits their ability to independently monitor and analyze intracellular polarity uctuations. Thus, there is still a continual need to develop more powerful and highly selective polarity uorescent probes.…”

Fluorescent Probes for Selective Recognition of Hypobromous Acid: Achievements and Future Perspectives

“…Despite the growing interest, the development of HOBr-specific fluorescent probes is still evolving very slowly. Obviously, all the reported fluorescent probes for ROS function in a reaction-based manner [ 65 , 66 , 67 ], and HOBr is not an exception. There are three strategies to construct a suitable fluorescent probe for HOBr ( Figure 2 ): (a) oxidation reactions caused by HOBr, where HOBr acts as a strong oxidant; (b) coupling cyclization of an amino group and S-methyl moiety catalyzed by HOBr; (c) HOBr-induced substitution reactions.…”