A carbon dot-based fluorescence method for selective quantification of sulfide in environmental samples

Capability of Au nano-rhombic dodecahedra in a label-free colorimetric assay: application in the determination of S2− and Hg2+

“…First, the AuNRDs were used in SPR-based chemical analysis for the first time, which proved to be capable of sensitive colorimetric detection. Second, compared to the other chemical sensorbased label-free colorimetric approaches reported elsewhere, 16,31,32 the Ag-coated AuNRDs exhibit better performance for the detection of S 2− with respect to sensitivity and selectivity. The lowest detectable concentration of S 2− was 0.26 μM, which is lower than the maximal allowable level defined by China Standardization Administration.…”

Functionalized Copper Nanoclusters-Based Fluorescent Probe with Aggregation-Induced Emission Property for Selective Detection of Sulfide Ions in Food Additives

“…Furthermore, the repeatability of the method was investigated by determining the relative standard deviation from the detection of S 2– (100 μM) for 11 replicates, and the relative standard deviation (RSD) was 3.5%. Table summarizes the analytical performance of the present S 2– sensing system with some of the reported methods for S 2– detection in terms of the linear range and the detection limits. − Compared with other methods, the sensing platform had a wider detection range and a comparable detection limit. This result basically met the demand for actual sample testing.…”

Carbon dot as fluorescence sensor for glutathione in human serum samples: a review

“…This discharge generates intense heat and pressure, causing the graphite electrodes to undergo vaporization and fragmentation. Consequently, carbon nanoparticles, including carbon dots, are formed within the solution, 73,74…”