Thanks to their unique attributes, such as good sensitivity, selectivity, high surface-to-volume
ratio, and versatile optical and electronic properties, fluorescent-based bioprobes have been …

Cysteine (Cys), one of three endogenous biothiols, is involved in a variety of biological
processes, such as protein and peptide biosynthesis, enzyme active sites and cofactors, and …

Carbon dots (CDs), a type of small, carbon element‐based nanomaterials, have found
numerous applications in many fields due to their outstanding properties like fascinating …

In this study, facile hydrothermal synthesis of carbon dots was developed from seaweed-
derived κ-carrageenan and lemon juice followed by surface quaternization with …

Biothiols are crucial reactive sulfur species in living cells, playing an essential role in
maintaining the normal function of organisms. Effective detection of biothiols promotes the …

It is highly desirable to develop high-performance ratiometric fluorescent probes for SO2
derivative detection and realize their application in biological imaging. In this study, we …

We report herein a two-photon ratiometric fluorescent probe (DNEPI) for mitochondrial
cysteine (Cys) detection on the basis of a merocyanine (compound 1) as the two-photon …

Nitrite (NO2−) is one of the important pollutants in food and the environment, which can
seriously endanger the health of human beings. Therefore, detecting nitrite in food …

The Au nanoclusters@ graphene quantum dots nanocomposite as an
electrochemiluminescence (ECL) luminophore was synthesized through amide coupling …

The ability to precisely sense physiological pH changes in the cellular environment is
exceedingly difficult. Novel technologies are thus required to address this challenge …