New fluorescent turn-off probes for highly sensitive and selective detection of SO2 derivatives in a micellar media

Recent Advances in Aggregation-Induced Emission Chemosensors for Anion Sensing

“…Chemosensors containing Michael acceptors are good candidates for the detection of bisulphite anions [94,95,96,97,98,99,100]. Similarly, AIE-based bisulphite sensors C1 – C3 (Scheme 7) with Michael acceptors can readily undergo a Michael addition with bisulphite nucleophile (Scheme 7).…”

Detection of SO2 derivatives using a new chalco-coumarin derivative in cationic micellar media: application to real samples

“…This value was lower to those reported in the literature for other probes for sulte in the absence of the micellar medium. 21,27 Regarding the stability of the method, this was mentioned in the Experimental section. The relative standard deviation (RSD) of the detection associated with the probe in the presence of the cationic micelle was 2%.…”

“…More recently, we have reported new probes able to detect SO 2 -derivatives via a Michael-type addition reaction, which was also favored by micellar media. 21 In particular, we demonstrated that typical interferences, such as glutathione (GSH) and cysteine (Cys) were inhibited by the presence of the cationic micelles of cetylpyridinium bromide (CPB) and zwitterionic micelle of sulfobetaine (SB3-14) and the detection limits improved considerably. Thus, we take advantage of this fact and we are presenting in this study a new coumarin–chalcone derivative ( E )-7-(diethylamino)-3-(3-(thiophen-2-yl)acryloyl)-2 H -chromen-2-one (ChC16).…”

A novel fluorescent probe for rapid detection of sulfur dioxide in living cells

“…[9] In other words, the low concentration of SO 2 is not harmful to cells, whereas the high concentration of SO 2 is toxic to cells. [10] When excessive SO 2 is inhaled by the respiratory passage, it may elevate potential health problems in humans. [11] Therefore, it is imperative to develop effective methods to identify and quantify SO 2 .…”